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[patch 0/4] staging: speakup: refactor to make raw serial i/o swappable

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  [patch 0/4] staging: speakup: refactor to make raw serial i/o swappable Okash Khawaja <okash.khawaja@gmail.com> - 2017-03-14 14:50 +0100
    [patch 1/4] staging: speakup: spk_serial_out and spk_wait_for_xmitr to take synth arg Okash Khawaja <okash.khawaja@gmail.com> - 2017-03-14 14:50 +0100
    [patch 2/4] staging: serial: add spk_io_ops struct to spk_synth Okash Khawaja <okash.khawaja@gmail.com> - 2017-03-14 15:00 +0100
    [patch 4/4] staging: speakup: move those functions which do outgoing serial comms, into serialio.c Okash Khawaja <okash.khawaja@gmail.com> - 2017-03-14 15:00 +0100
      Re: [patch 4/4] staging: speakup: move those functions which do  outgoing serial comms, into serialio.c Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-16 03:20 +0100
        Re: [patch 4/4] staging: speakup: move those functions which do  outgoing serial comms, into serialio.c Okash Khawaja <okash.khawaja@gmail.com> - 2017-03-16 08:00 +0100
          Re: [patch 4/4] staging: speakup: move those functions which do  outgoing serial comms, into serialio.c Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-16 08:10 +0100
            [patch 4/4] staging: speakup: move those functions which do outgoing  serial comms, into serialio.c Okash Khawaja <okash.khawaja@gmail.com> - 2017-03-16 09:20 +0100

#1600414 — [patch 0/4] staging: speakup: refactor to make raw serial i/o swappable

Hi,

The following patches group together most of raw serial comms with external
synth and makes rest of the code agnostic to it, so that raw serial comms
can be easily replaced by an alternate way to communicate with external
synths. Plan is to follow these patches with alternate implementation
of comms with external synths and then migrate existing synths to use the new
implementation.

Okash

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#1600415 — [patch 1/4] staging: speakup: spk_serial_out and spk_wait_for_xmitr to take synth arg

These two functions are always called from a context where spk_synth instance
is available. They also use the spk_synth instance but instead of taking it
as an argument, they rely on a global spk_synth instance inside synth.c which
points to the same synth as the one being passed in as argument.

Signed-off-by: Okash Khawaja <okash.khawaja@gmail.com>

Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>

Index: linux-4.11-rc2/drivers/staging/speakup/serialio.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/serialio.c
+++ linux-4.11-rc2/drivers/staging/speakup/serialio.c
@@ -144,14 +144,14 @@
 	free_irq(serstate->irq, (void *)synth_readbuf_handler);
 }
 
-int spk_wait_for_xmitr(void)
+int spk_wait_for_xmitr(struct spk_synth *in_synth)
 {
 	int tmout = SPK_XMITR_TIMEOUT;
 
-	if ((synth->alive) && (timeouts >= NUM_DISABLE_TIMEOUTS)) {
+	if ((in_synth->alive) && (timeouts >= NUM_DISABLE_TIMEOUTS)) {
 		pr_warn("%s: too many timeouts, deactivating speakup\n",
-			synth->long_name);
-		synth->alive = 0;
+			in_synth->long_name);
+		in_synth->alive = 0;
 		/* No synth any more, so nobody will restart TTYs, and we thus
 		 * need to do it ourselves.  Now that there is no synth we can
 		 * let application flood anyway
@@ -162,7 +162,7 @@
 	}
 	while (spk_serial_tx_busy()) {
 		if (--tmout == 0) {
-			pr_warn("%s: timed out (tx busy)\n", synth->long_name);
+			pr_warn("%s: timed out (tx busy)\n", in_synth->long_name);
 			timeouts++;
 			return 0;
 		}
@@ -207,9 +207,9 @@
 }
 EXPORT_SYMBOL_GPL(spk_serial_in_nowait);
 
-int spk_serial_out(const char ch)
+int spk_serial_out(struct spk_synth *in_synth, const char ch)
 {
-	if (synth->alive && spk_wait_for_xmitr()) {
+	if (in_synth->alive && spk_wait_for_xmitr(in_synth)) {
 		outb_p(ch, speakup_info.port_tts);
 		return 1;
 	}
Index: linux-4.11-rc2/drivers/staging/speakup/speakup_apollo.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/speakup_apollo.c
+++ linux-4.11-rc2/drivers/staging/speakup/speakup_apollo.c
@@ -168,7 +168,7 @@
 		set_current_state(TASK_INTERRUPTIBLE);
 		full_time_val = full_time->u.n.value;
 		spin_unlock_irqrestore(&speakup_info.spinlock, flags);
-		if (!spk_serial_out(ch)) {
+		if (!spk_serial_out(synth, ch)) {
 			outb(UART_MCR_DTR, speakup_info.port_tts + UART_MCR);
 			outb(UART_MCR_DTR | UART_MCR_RTS,
 					speakup_info.port_tts + UART_MCR);
@@ -181,7 +181,7 @@
 			full_time_val = full_time->u.n.value;
 			delay_time_val = delay_time->u.n.value;
 			spin_unlock_irqrestore(&speakup_info.spinlock, flags);
-			if (spk_serial_out(synth->procspeech))
+			if (spk_serial_out(synth, synth->procspeech))
 				schedule_timeout(msecs_to_jiffies
 						 (delay_time_val));
 			else
@@ -194,7 +194,7 @@
 		synth_buffer_getc();
 		spin_unlock_irqrestore(&speakup_info.spinlock, flags);
 	}
-	spk_serial_out(PROCSPEECH);
+	spk_serial_out(synth, PROCSPEECH);
 }
 
 module_param_named(ser, synth_apollo.ser, int, 0444);
Index: linux-4.11-rc2/drivers/staging/speakup/speakup_audptr.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/speakup_audptr.c
+++ linux-4.11-rc2/drivers/staging/speakup/speakup_audptr.c
@@ -135,7 +135,7 @@
 		udelay(1);
 	}
 	outb(SYNTH_CLEAR, speakup_info.port_tts);
-	spk_serial_out(PROCSPEECH);
+	spk_serial_out(synth, PROCSPEECH);
 }
 
 static void synth_version(struct spk_synth *synth)
Index: linux-4.11-rc2/drivers/staging/speakup/speakup_decext.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/speakup_decext.c
+++ linux-4.11-rc2/drivers/staging/speakup/speakup_decext.c
@@ -185,7 +185,7 @@
 		spin_unlock_irqrestore(&speakup_info.spinlock, flags);
 		if (ch == '\n')
 			ch = 0x0D;
-		if (synth_full() || !spk_serial_out(ch)) {
+		if (synth_full() || !spk_serial_out(synth, ch)) {
 			schedule_timeout(msecs_to_jiffies(delay_time_val));
 			continue;
 		}
@@ -199,10 +199,10 @@
 			in_escape = 0;
 		else if (ch <= SPACE) {
 			if (!in_escape && strchr(",.!?;:", last))
-				spk_serial_out(PROCSPEECH);
+				spk_serial_out(synth, PROCSPEECH);
 			if (time_after_eq(jiffies, jiff_max)) {
 				if (!in_escape)
-					spk_serial_out(PROCSPEECH);
+					spk_serial_out(synth, PROCSPEECH);
 				spin_lock_irqsave(&speakup_info.spinlock,
 							flags);
 				jiffy_delta_val = jiffy_delta->u.n.value;
@@ -217,7 +217,7 @@
 		last = ch;
 	}
 	if (!in_escape)
-		spk_serial_out(PROCSPEECH);
+		spk_serial_out(synth, PROCSPEECH);
 }
 
 static void synth_flush(struct spk_synth *synth)
Index: linux-4.11-rc2/drivers/staging/speakup/speakup_dectlk.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/speakup_dectlk.c
+++ linux-4.11-rc2/drivers/staging/speakup/speakup_dectlk.c
@@ -250,7 +250,7 @@
 		spin_unlock_irqrestore(&speakup_info.spinlock, flags);
 		if (ch == '\n')
 			ch = 0x0D;
-		if (synth_full_val || !spk_serial_out(ch)) {
+		if (synth_full_val || !spk_serial_out(synth, ch)) {
 			schedule_timeout(msecs_to_jiffies(delay_time_val));
 			continue;
 		}
@@ -264,10 +264,10 @@
 			in_escape = 0;
 		else if (ch <= SPACE) {
 			if (!in_escape && strchr(",.!?;:", last))
-				spk_serial_out(PROCSPEECH);
+				spk_serial_out(synth, PROCSPEECH);
 			if (time_after_eq(jiffies, jiff_max)) {
 				if (!in_escape)
-					spk_serial_out(PROCSPEECH);
+					spk_serial_out(synth, PROCSPEECH);
 				spin_lock_irqsave(&speakup_info.spinlock,
 						flags);
 				jiffy_delta_val = jiffy_delta->u.n.value;
@@ -282,17 +282,17 @@
 		last = ch;
 	}
 	if (!in_escape)
-		spk_serial_out(PROCSPEECH);
+		spk_serial_out(synth, PROCSPEECH);
 }
 
 static void synth_flush(struct spk_synth *synth)
 {
 	if (in_escape)
 		/* if in command output ']' so we don't get an error */
-		spk_serial_out(']');
+		spk_serial_out(synth, ']');
 	in_escape = 0;
 	is_flushing = 1;
-	spk_serial_out(SYNTH_CLEAR);
+	spk_serial_out(synth, SYNTH_CLEAR);
 }
 
 module_param_named(ser, synth_dectlk.ser, int, 0444);
Index: linux-4.11-rc2/drivers/staging/speakup/spk_priv.h
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/spk_priv.h
+++ linux-4.11-rc2/drivers/staging/speakup/spk_priv.h
@@ -42,10 +42,10 @@
 
 const struct old_serial_port *spk_serial_init(int index);
 void spk_stop_serial_interrupt(void);
-int spk_wait_for_xmitr(void);
+int spk_wait_for_xmitr(struct spk_synth *in_synth);
 unsigned char spk_serial_in(void);
 unsigned char spk_serial_in_nowait(void);
-int spk_serial_out(const char ch);
+int spk_serial_out(struct spk_synth *in_synth, const char ch);
 void spk_serial_release(void);
 
 char synth_buffer_getc(void);
Index: linux-4.11-rc2/drivers/staging/speakup/synth.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/synth.c
+++ linux-4.11-rc2/drivers/staging/speakup/synth.c
@@ -119,7 +119,7 @@
 		spin_unlock_irqrestore(&speakup_info.spinlock, flags);
 		if (ch == '\n')
 			ch = synth->procspeech;
-		if (!spk_serial_out(ch)) {
+		if (!spk_serial_out(synth, ch)) {
 			schedule_timeout(msecs_to_jiffies(full_time_val));
 			continue;
 		}
@@ -129,7 +129,7 @@
 			delay_time_val = delay_time->u.n.value;
 			full_time_val = full_time->u.n.value;
 			spin_unlock_irqrestore(&speakup_info.spinlock, flags);
-			if (spk_serial_out(synth->procspeech))
+			if (spk_serial_out(synth, synth->procspeech))
 				schedule_timeout(
 					msecs_to_jiffies(delay_time_val));
 			else
@@ -142,7 +142,7 @@
 		synth_buffer_getc();
 		spin_unlock_irqrestore(&speakup_info.spinlock, flags);
 	}
-	spk_serial_out(synth->procspeech);
+	spk_serial_out(synth, synth->procspeech);
 }
 EXPORT_SYMBOL_GPL(spk_do_catch_up);
 
@@ -153,7 +153,7 @@
 	while ((ch = *buff)) {
 		if (ch == '\n')
 			ch = synth->procspeech;
-		if (spk_wait_for_xmitr())
+		if (spk_wait_for_xmitr(synth))
 			outb(ch, speakup_info.port_tts);
 		else
 			return buff;
@@ -165,7 +165,7 @@
 
 void spk_synth_flush(struct spk_synth *synth)
 {
-	spk_serial_out(synth->clear);
+	spk_serial_out(synth, synth->clear);
 }
 EXPORT_SYMBOL_GPL(spk_synth_flush);
 
@@ -180,7 +180,7 @@
 {
 	if (synth->alive)
 		return 1;
-	if (spk_wait_for_xmitr() > 0) {
+	if (spk_wait_for_xmitr(synth) > 0) {
 		/* restart */
 		synth->alive = 1;
 		synth_printf("%s", synth->init);

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#1600434 — [patch 2/4] staging: serial: add spk_io_ops struct to spk_synth

This patch adds spk_io_ops struct which contain those methods whose job is to
communicate with synth device. Currently, all comms with external synth
device use raw serial i/o. The idea is to group all methods which do the
actual communication with external device into this new struct. Then migrating
a serial-based synth over to an alternative to raw serial i/o will mean
swapping serial spk_io_ops instance with the io_ops instance of the new
method, making the migration simpler.

At the moment, this struct only contains one method, synth_out but more will
be added in future when migrating synths which require input functionality.
Also at the moment, synth_out method has one implementation which uses
serial i/o. Plan is to add an alternative.

Signed-off-by: Okash Khawaja <okash.khawaja@gmail.com>

Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>

Index: linux-4.11-rc2/drivers/staging/speakup/serialio.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/serialio.c
+++ linux-4.11-rc2/drivers/staging/speakup/serialio.c
@@ -24,6 +24,12 @@
 static const struct old_serial_port *serstate;
 static int timeouts;
 
+static int spk_serial_out(struct spk_synth *in_synth, const char ch);
+struct spk_io_ops spk_serial_io_ops = {
+	.synth_out = spk_serial_out,
+};
+EXPORT_SYMBOL_GPL(spk_serial_io_ops);
+
 const struct old_serial_port *spk_serial_init(int index)
 {
 	int baud = 9600, quot = 0;
@@ -215,7 +221,6 @@
 	}
 	return 0;
 }
-EXPORT_SYMBOL_GPL(spk_serial_out);
 
 void spk_serial_release(void)
 {
Index: linux-4.11-rc2/drivers/staging/speakup/speakup_acntpc.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/speakup_acntpc.c
+++ linux-4.11-rc2/drivers/staging/speakup/speakup_acntpc.c
@@ -113,6 +113,7 @@
 	.startup = SYNTH_START,
 	.checkval = SYNTH_CHECK,
 	.vars = vars,
+	.io_ops = &spk_serial_io_ops,
 	.probe = synth_probe,
 	.release = accent_release,
 	.synth_immediate = synth_immediate,
Index: linux-4.11-rc2/drivers/staging/speakup/speakup_acntsa.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/speakup_acntsa.c
+++ linux-4.11-rc2/drivers/staging/speakup/speakup_acntsa.c
@@ -99,6 +99,7 @@
 	.startup = SYNTH_START,
 	.checkval = SYNTH_CHECK,
 	.vars = vars,
+	.io_ops = &spk_serial_io_ops,
 	.probe = synth_probe,
 	.release = spk_serial_release,
 	.synth_immediate = spk_synth_immediate,
Index: linux-4.11-rc2/drivers/staging/speakup/speakup_apollo.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/speakup_apollo.c
+++ linux-4.11-rc2/drivers/staging/speakup/speakup_apollo.c
@@ -108,6 +108,7 @@
 	.startup = SYNTH_START,
 	.checkval = SYNTH_CHECK,
 	.vars = vars,
+	.io_ops = &spk_serial_io_ops,
 	.probe = spk_serial_synth_probe,
 	.release = spk_serial_release,
 	.synth_immediate = spk_synth_immediate,
@@ -168,7 +169,7 @@
 		set_current_state(TASK_INTERRUPTIBLE);
 		full_time_val = full_time->u.n.value;
 		spin_unlock_irqrestore(&speakup_info.spinlock, flags);
-		if (!spk_serial_out(synth, ch)) {
+		if (!synth->io_ops->synth_out(synth, ch)) {
 			outb(UART_MCR_DTR, speakup_info.port_tts + UART_MCR);
 			outb(UART_MCR_DTR | UART_MCR_RTS,
 					speakup_info.port_tts + UART_MCR);
@@ -181,7 +182,7 @@
 			full_time_val = full_time->u.n.value;
 			delay_time_val = delay_time->u.n.value;
 			spin_unlock_irqrestore(&speakup_info.spinlock, flags);
-			if (spk_serial_out(synth, synth->procspeech))
+			if (synth->io_ops->synth_out(synth, synth->procspeech))
 				schedule_timeout(msecs_to_jiffies
 						 (delay_time_val));
 			else
@@ -194,7 +195,7 @@
 		synth_buffer_getc();
 		spin_unlock_irqrestore(&speakup_info.spinlock, flags);
 	}
-	spk_serial_out(synth, PROCSPEECH);
+	synth->io_ops->synth_out(synth, PROCSPEECH);
 }
 
 module_param_named(ser, synth_apollo.ser, int, 0444);
Index: linux-4.11-rc2/drivers/staging/speakup/speakup_audptr.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/speakup_audptr.c
+++ linux-4.11-rc2/drivers/staging/speakup/speakup_audptr.c
@@ -104,6 +104,7 @@
 	.startup = SYNTH_START,
 	.checkval = SYNTH_CHECK,
 	.vars = vars,
+	.io_ops = &spk_serial_io_ops,
 	.probe = synth_probe,
 	.release = spk_serial_release,
 	.synth_immediate = spk_synth_immediate,
@@ -135,7 +136,7 @@
 		udelay(1);
 	}
 	outb(SYNTH_CLEAR, speakup_info.port_tts);
-	spk_serial_out(synth, PROCSPEECH);
+	synth->io_ops->synth_out(synth, PROCSPEECH);
 }
 
 static void synth_version(struct spk_synth *synth)
Index: linux-4.11-rc2/drivers/staging/speakup/speakup_decext.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/speakup_decext.c
+++ linux-4.11-rc2/drivers/staging/speakup/speakup_decext.c
@@ -127,6 +127,7 @@
 	.startup = SYNTH_START,
 	.checkval = SYNTH_CHECK,
 	.vars = vars,
+	.io_ops = &spk_serial_io_ops,
 	.probe = spk_serial_synth_probe,
 	.release = spk_serial_release,
 	.synth_immediate = spk_synth_immediate,
@@ -185,7 +186,7 @@
 		spin_unlock_irqrestore(&speakup_info.spinlock, flags);
 		if (ch == '\n')
 			ch = 0x0D;
-		if (synth_full() || !spk_serial_out(synth, ch)) {
+		if (synth_full() || !synth->io_ops->synth_out(synth, ch)) {
 			schedule_timeout(msecs_to_jiffies(delay_time_val));
 			continue;
 		}
@@ -199,10 +200,10 @@
 			in_escape = 0;
 		else if (ch <= SPACE) {
 			if (!in_escape && strchr(",.!?;:", last))
-				spk_serial_out(synth, PROCSPEECH);
+				synth->io_ops->synth_out(synth, PROCSPEECH);
 			if (time_after_eq(jiffies, jiff_max)) {
 				if (!in_escape)
-					spk_serial_out(synth, PROCSPEECH);
+					synth->io_ops->synth_out(synth, PROCSPEECH);
 				spin_lock_irqsave(&speakup_info.spinlock,
 							flags);
 				jiffy_delta_val = jiffy_delta->u.n.value;
@@ -217,7 +218,7 @@
 		last = ch;
 	}
 	if (!in_escape)
-		spk_serial_out(synth, PROCSPEECH);
+		synth->io_ops->synth_out(synth, PROCSPEECH);
 }
 
 static void synth_flush(struct spk_synth *synth)
Index: linux-4.11-rc2/drivers/staging/speakup/speakup_dectlk.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/speakup_dectlk.c
+++ linux-4.11-rc2/drivers/staging/speakup/speakup_dectlk.c
@@ -130,6 +130,7 @@
 	.vars = vars,
 	.default_pitch = ap_defaults,
 	.default_vol = g5_defaults,
+	.io_ops = &spk_serial_io_ops,
 	.probe = spk_serial_synth_probe,
 	.release = spk_serial_release,
 	.synth_immediate = spk_synth_immediate,
@@ -250,7 +251,7 @@
 		spin_unlock_irqrestore(&speakup_info.spinlock, flags);
 		if (ch == '\n')
 			ch = 0x0D;
-		if (synth_full_val || !spk_serial_out(synth, ch)) {
+		if (synth_full_val || !synth->io_ops->synth_out(synth, ch)) {
 			schedule_timeout(msecs_to_jiffies(delay_time_val));
 			continue;
 		}
@@ -264,10 +265,10 @@
 			in_escape = 0;
 		else if (ch <= SPACE) {
 			if (!in_escape && strchr(",.!?;:", last))
-				spk_serial_out(synth, PROCSPEECH);
+				synth->io_ops->synth_out(synth, PROCSPEECH);
 			if (time_after_eq(jiffies, jiff_max)) {
 				if (!in_escape)
-					spk_serial_out(synth, PROCSPEECH);
+					synth->io_ops->synth_out(synth, PROCSPEECH);
 				spin_lock_irqsave(&speakup_info.spinlock,
 						flags);
 				jiffy_delta_val = jiffy_delta->u.n.value;
@@ -282,17 +283,17 @@
 		last = ch;
 	}
 	if (!in_escape)
-		spk_serial_out(synth, PROCSPEECH);
+		synth->io_ops->synth_out(synth, PROCSPEECH);
 }
 
 static void synth_flush(struct spk_synth *synth)
 {
 	if (in_escape)
 		/* if in command output ']' so we don't get an error */
-		spk_serial_out(synth, ']');
+		synth->io_ops->synth_out(synth, ']');
 	in_escape = 0;
 	is_flushing = 1;
-	spk_serial_out(synth, SYNTH_CLEAR);
+	synth->io_ops->synth_out(synth, SYNTH_CLEAR);
 }
 
 module_param_named(ser, synth_dectlk.ser, int, 0444);
Index: linux-4.11-rc2/drivers/staging/speakup/spk_priv.h
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/spk_priv.h
+++ linux-4.11-rc2/drivers/staging/speakup/spk_priv.h
@@ -45,7 +45,6 @@
 int spk_wait_for_xmitr(struct spk_synth *in_synth);
 unsigned char spk_serial_in(void);
 unsigned char spk_serial_in_nowait(void);
-int spk_serial_out(struct spk_synth *in_synth, const char ch);
 void spk_serial_release(void);
 
 char synth_buffer_getc(void);
@@ -73,4 +72,6 @@
 
 extern struct var_t synth_time_vars[];
 
+extern struct spk_io_ops spk_serial_io_ops;
+
 #endif
Index: linux-4.11-rc2/drivers/staging/speakup/spk_types.h
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/spk_types.h
+++ linux-4.11-rc2/drivers/staging/speakup/spk_types.h
@@ -146,6 +146,12 @@
 	unsigned char currindex;
 };
 
+struct spk_synth;
+
+struct spk_io_ops {
+	int (*synth_out)(struct spk_synth *synth, const char ch);
+};
+
 struct spk_synth {
 	const char *name;
 	const char *version;
@@ -164,6 +170,7 @@
 	struct var_t *vars;
 	int *default_pitch;
 	int *default_vol;
+	struct spk_io_ops *io_ops;
 	int (*probe)(struct spk_synth *synth);
 	void (*release)(void);
 	const char *(*synth_immediate)(struct spk_synth *synth,
Index: linux-4.11-rc2/drivers/staging/speakup/synth.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/synth.c
+++ linux-4.11-rc2/drivers/staging/speakup/synth.c
@@ -119,7 +119,7 @@
 		spin_unlock_irqrestore(&speakup_info.spinlock, flags);
 		if (ch == '\n')
 			ch = synth->procspeech;
-		if (!spk_serial_out(synth, ch)) {
+		if (!synth->io_ops->synth_out(synth, ch)) {
 			schedule_timeout(msecs_to_jiffies(full_time_val));
 			continue;
 		}
@@ -129,7 +129,7 @@
 			delay_time_val = delay_time->u.n.value;
 			full_time_val = full_time->u.n.value;
 			spin_unlock_irqrestore(&speakup_info.spinlock, flags);
-			if (spk_serial_out(synth, synth->procspeech))
+			if (synth->io_ops->synth_out(synth, synth->procspeech))
 				schedule_timeout(
 					msecs_to_jiffies(delay_time_val));
 			else
@@ -142,7 +142,7 @@
 		synth_buffer_getc();
 		spin_unlock_irqrestore(&speakup_info.spinlock, flags);
 	}
-	spk_serial_out(synth, synth->procspeech);
+	synth->io_ops->synth_out(synth, synth->procspeech);
 }
 EXPORT_SYMBOL_GPL(spk_do_catch_up);
 
@@ -165,7 +165,7 @@
 
 void spk_synth_flush(struct spk_synth *synth)
 {
-	spk_serial_out(synth, synth->clear);
+	synth->io_ops->synth_out(synth, synth->clear);
 }
 EXPORT_SYMBOL_GPL(spk_synth_flush);
 
Index: linux-4.11-rc2/drivers/staging/speakup/speakup_bns.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/speakup_bns.c
+++ linux-4.11-rc2/drivers/staging/speakup/speakup_bns.c
@@ -96,6 +96,7 @@
 	.startup = SYNTH_START,
 	.checkval = SYNTH_CHECK,
 	.vars = vars,
+	.io_ops = &spk_serial_io_ops,
 	.probe = spk_serial_synth_probe,
 	.release = spk_serial_release,
 	.synth_immediate = spk_synth_immediate,
Index: linux-4.11-rc2/drivers/staging/speakup/speakup_decpc.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/speakup_decpc.c
+++ linux-4.11-rc2/drivers/staging/speakup/speakup_decpc.c
@@ -220,6 +220,7 @@
 	.startup = SYNTH_START,
 	.checkval = SYNTH_CHECK,
 	.vars = vars,
+	.io_ops = &spk_serial_io_ops,
 	.probe = synth_probe,
 	.release = dtpc_release,
 	.synth_immediate = synth_immediate,
Index: linux-4.11-rc2/drivers/staging/speakup/speakup_dtlk.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/speakup_dtlk.c
+++ linux-4.11-rc2/drivers/staging/speakup/speakup_dtlk.c
@@ -128,6 +128,7 @@
 	.startup = SYNTH_START,
 	.checkval = SYNTH_CHECK,
 	.vars = vars,
+	.io_ops = &spk_serial_io_ops,
 	.probe = synth_probe,
 	.release = dtlk_release,
 	.synth_immediate = synth_immediate,
Index: linux-4.11-rc2/drivers/staging/speakup/speakup_dummy.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/speakup_dummy.c
+++ linux-4.11-rc2/drivers/staging/speakup/speakup_dummy.c
@@ -98,6 +98,7 @@
 	.startup = SYNTH_START,
 	.checkval = SYNTH_CHECK,
 	.vars = vars,
+	.io_ops = &spk_serial_io_ops,
 	.probe = spk_serial_synth_probe,
 	.release = spk_serial_release,
 	.synth_immediate = spk_synth_immediate,
Index: linux-4.11-rc2/drivers/staging/speakup/speakup_keypc.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/speakup_keypc.c
+++ linux-4.11-rc2/drivers/staging/speakup/speakup_keypc.c
@@ -105,6 +105,7 @@
 	.startup = SYNTH_START,
 	.checkval = SYNTH_CHECK,
 	.vars = vars,
+	.io_ops = &spk_serial_io_ops,
 	.probe = synth_probe,
 	.release = keynote_release,
 	.synth_immediate = synth_immediate,
Index: linux-4.11-rc2/drivers/staging/speakup/speakup_ltlk.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/speakup_ltlk.c
+++ linux-4.11-rc2/drivers/staging/speakup/speakup_ltlk.c
@@ -111,6 +111,7 @@
 	.startup = SYNTH_START,
 	.checkval = SYNTH_CHECK,
 	.vars = vars,
+	.io_ops = &spk_serial_io_ops,
 	.probe = synth_probe,
 	.release = spk_serial_release,
 	.synth_immediate = spk_synth_immediate,
Index: linux-4.11-rc2/drivers/staging/speakup/speakup_soft.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/speakup_soft.c
+++ linux-4.11-rc2/drivers/staging/speakup/speakup_soft.c
@@ -130,6 +130,7 @@
 	.startup = SYNTH_START,
 	.checkval = SYNTH_CHECK,
 	.vars = vars,
+	.io_ops = NULL,
 	.probe = softsynth_probe,
 	.release = softsynth_release,
 	.synth_immediate = NULL,
Index: linux-4.11-rc2/drivers/staging/speakup/speakup_spkout.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/speakup_spkout.c
+++ linux-4.11-rc2/drivers/staging/speakup/speakup_spkout.c
@@ -102,6 +102,7 @@
 	.startup = SYNTH_START,
 	.checkval = SYNTH_CHECK,
 	.vars = vars,
+	.io_ops = &spk_serial_io_ops,
 	.probe = spk_serial_synth_probe,
 	.release = spk_serial_release,
 	.synth_immediate = spk_synth_immediate,
Index: linux-4.11-rc2/drivers/staging/speakup/speakup_txprt.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/speakup_txprt.c
+++ linux-4.11-rc2/drivers/staging/speakup/speakup_txprt.c
@@ -95,6 +95,7 @@
 	.startup = SYNTH_START,
 	.checkval = SYNTH_CHECK,
 	.vars = vars,
+	.io_ops = &spk_serial_io_ops,
 	.probe = spk_serial_synth_probe,
 	.release = spk_serial_release,
 	.synth_immediate = spk_synth_immediate,

[toc] | [prev] | [next] | [standalone]

#1600439 — [patch 4/4] staging: speakup: move those functions which do outgoing serial comms, into serialio.c

This moves spk_synth_immediate and spk_serial_synth_probe functions into
serialio.c. These functions do outgoing serial comms. The move is a step
towards collecting all serial comms in serialio.c. This also renames
spk_synth_immediate to spk_serial_synth_immediate.

Code inside those functions has not been changed. Along the way, this patch
also fixes a couple of spots which were calling spk_synth_immediate directly,
so that the calls now happen via the spk_syth struct.

Signed-off-by: Okash Khawaja <okash.khawaja@gmail.com>

Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>

Index: linux-4.11-rc2/drivers/staging/speakup/serialio.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/serialio.c
+++ linux-4.11-rc2/drivers/staging/speakup/serialio.c
@@ -136,6 +136,35 @@
 	outb(1, speakup_info.port_tts + UART_FCR);	/* Turn FIFO On */
 }
 
+int spk_serial_synth_probe(struct spk_synth *synth)
+{
+	const struct old_serial_port *ser;
+	int failed = 0;
+
+	if ((synth->ser >= SPK_LO_TTY) && (synth->ser <= SPK_HI_TTY)) {
+		ser = spk_serial_init(synth->ser);
+		if (ser == NULL) {
+			failed = -1;
+		} else {
+			outb_p(0, ser->port);
+			mdelay(1);
+			outb_p('\r', ser->port);
+		}
+	} else {
+		failed = -1;
+		pr_warn("ttyS%i is an invalid port\n", synth->ser);
+	}
+	if (failed) {
+		pr_info("%s: not found\n", synth->long_name);
+		return -ENODEV;
+	}
+	pr_info("%s: ttyS%i, Driver Version %s\n",
+		synth->long_name, synth->ser, synth->version);
+	synth->alive = 1;
+	return 0;
+}
+EXPORT_SYMBOL_GPL(spk_serial_synth_probe);
+
 void spk_stop_serial_interrupt(void)
 {
 	if (speakup_info.port_tts == 0)
@@ -223,6 +252,23 @@
 	return 0;
 }
 
+const char *spk_serial_synth_immediate(struct spk_synth *synth, const char *buff)
+{
+	u_char ch;
+
+	while ((ch = *buff)) {
+		if (ch == '\n')
+			ch = synth->procspeech;
+		if (spk_wait_for_xmitr(synth))
+			outb(ch, speakup_info.port_tts);
+		else
+			return buff;
+		buff++;
+	}
+	return NULL;
+}
+EXPORT_SYMBOL_GPL(spk_serial_synth_immediate);
+
 void spk_serial_release(void)
 {
 	spk_stop_serial_interrupt();
Index: linux-4.11-rc2/drivers/staging/speakup/speakup_acntsa.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/speakup_acntsa.c
+++ linux-4.11-rc2/drivers/staging/speakup/speakup_acntsa.c
@@ -102,7 +102,7 @@
 	.io_ops = &spk_serial_io_ops,
 	.probe = synth_probe,
 	.release = spk_serial_release,
-	.synth_immediate = spk_synth_immediate,
+	.synth_immediate = spk_serial_synth_immediate,
 	.catch_up = spk_do_catch_up,
 	.flush = spk_synth_flush,
 	.is_alive = spk_synth_is_alive_restart,
@@ -127,7 +127,7 @@
 
 	failed = spk_serial_synth_probe(synth);
 	if (failed == 0) {
-		spk_synth_immediate(synth, "\033=R\r");
+		synth->synth_immediate(synth, "\033=R\r");
 		mdelay(100);
 	}
 	synth->alive = !failed;
Index: linux-4.11-rc2/drivers/staging/speakup/speakup_apollo.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/speakup_apollo.c
+++ linux-4.11-rc2/drivers/staging/speakup/speakup_apollo.c
@@ -111,7 +111,7 @@
 	.io_ops = &spk_serial_io_ops,
 	.probe = spk_serial_synth_probe,
 	.release = spk_serial_release,
-	.synth_immediate = spk_synth_immediate,
+	.synth_immediate = spk_serial_synth_immediate,
 	.catch_up = do_catch_up,
 	.flush = spk_synth_flush,
 	.is_alive = spk_synth_is_alive_restart,
Index: linux-4.11-rc2/drivers/staging/speakup/speakup_audptr.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/speakup_audptr.c
+++ linux-4.11-rc2/drivers/staging/speakup/speakup_audptr.c
@@ -107,7 +107,7 @@
 	.io_ops = &spk_serial_io_ops,
 	.probe = synth_probe,
 	.release = spk_serial_release,
-	.synth_immediate = spk_synth_immediate,
+	.synth_immediate = spk_serial_synth_immediate,
 	.catch_up = spk_do_catch_up,
 	.flush = synth_flush,
 	.is_alive = spk_synth_is_alive_restart,
@@ -144,7 +144,7 @@
 	unsigned char test = 0;
 	char synth_id[40] = "";
 
-	spk_synth_immediate(synth, "\x05[Q]");
+	synth->synth_immediate(synth, "\x05[Q]");
 	synth_id[test] = spk_serial_in();
 	if (synth_id[test] == 'A') {
 		do {
Index: linux-4.11-rc2/drivers/staging/speakup/speakup_bns.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/speakup_bns.c
+++ linux-4.11-rc2/drivers/staging/speakup/speakup_bns.c
@@ -99,7 +99,7 @@
 	.io_ops = &spk_serial_io_ops,
 	.probe = spk_serial_synth_probe,
 	.release = spk_serial_release,
-	.synth_immediate = spk_synth_immediate,
+	.synth_immediate = spk_serial_synth_immediate,
 	.catch_up = spk_do_catch_up,
 	.flush = spk_synth_flush,
 	.is_alive = spk_synth_is_alive_restart,
Index: linux-4.11-rc2/drivers/staging/speakup/speakup_decext.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/speakup_decext.c
+++ linux-4.11-rc2/drivers/staging/speakup/speakup_decext.c
@@ -130,7 +130,7 @@
 	.io_ops = &spk_serial_io_ops,
 	.probe = spk_serial_synth_probe,
 	.release = spk_serial_release,
-	.synth_immediate = spk_synth_immediate,
+	.synth_immediate = spk_serial_synth_immediate,
 	.catch_up = do_catch_up,
 	.flush = synth_flush,
 	.is_alive = spk_synth_is_alive_restart,
@@ -224,7 +224,7 @@
 static void synth_flush(struct spk_synth *synth)
 {
 	in_escape = 0;
-	spk_synth_immediate(synth, "\033P;10z\033\\");
+	synth->synth_immediate(synth, "\033P;10z\033\\");
 }
 
 module_param_named(ser, synth_decext.ser, int, 0444);
Index: linux-4.11-rc2/drivers/staging/speakup/speakup_dectlk.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/speakup_dectlk.c
+++ linux-4.11-rc2/drivers/staging/speakup/speakup_dectlk.c
@@ -133,7 +133,7 @@
 	.io_ops = &spk_serial_io_ops,
 	.probe = spk_serial_synth_probe,
 	.release = spk_serial_release,
-	.synth_immediate = spk_synth_immediate,
+	.synth_immediate = spk_serial_synth_immediate,
 	.catch_up = do_catch_up,
 	.flush = synth_flush,
 	.is_alive = spk_synth_is_alive_restart,
Index: linux-4.11-rc2/drivers/staging/speakup/speakup_dummy.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/speakup_dummy.c
+++ linux-4.11-rc2/drivers/staging/speakup/speakup_dummy.c
@@ -101,7 +101,7 @@
 	.io_ops = &spk_serial_io_ops,
 	.probe = spk_serial_synth_probe,
 	.release = spk_serial_release,
-	.synth_immediate = spk_synth_immediate,
+	.synth_immediate = spk_serial_synth_immediate,
 	.catch_up = spk_do_catch_up,
 	.flush = spk_synth_flush,
 	.is_alive = spk_synth_is_alive_restart,
Index: linux-4.11-rc2/drivers/staging/speakup/speakup_ltlk.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/speakup_ltlk.c
+++ linux-4.11-rc2/drivers/staging/speakup/speakup_ltlk.c
@@ -114,7 +114,7 @@
 	.io_ops = &spk_serial_io_ops,
 	.probe = synth_probe,
 	.release = spk_serial_release,
-	.synth_immediate = spk_synth_immediate,
+	.synth_immediate = spk_serial_synth_immediate,
 	.catch_up = spk_do_catch_up,
 	.flush = spk_synth_flush,
 	.is_alive = spk_synth_is_alive_restart,
@@ -139,7 +139,7 @@
 	unsigned char *t, i;
 	unsigned char buf[50], rom_v[20];
 
-	spk_synth_immediate(synth, "\x18\x01?");
+	synth->synth_immediate(synth, "\x18\x01?");
 	for (i = 0; i < 50; i++) {
 		buf[i] = spk_serial_in();
 		if (i > 2 && buf[i] == 0x7f)
Index: linux-4.11-rc2/drivers/staging/speakup/speakup_spkout.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/speakup_spkout.c
+++ linux-4.11-rc2/drivers/staging/speakup/speakup_spkout.c
@@ -105,7 +105,7 @@
 	.io_ops = &spk_serial_io_ops,
 	.probe = spk_serial_synth_probe,
 	.release = spk_serial_release,
-	.synth_immediate = spk_synth_immediate,
+	.synth_immediate = spk_serial_synth_immediate,
 	.catch_up = spk_do_catch_up,
 	.flush = synth_flush,
 	.is_alive = spk_synth_is_alive_restart,
Index: linux-4.11-rc2/drivers/staging/speakup/speakup_txprt.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/speakup_txprt.c
+++ linux-4.11-rc2/drivers/staging/speakup/speakup_txprt.c
@@ -98,7 +98,7 @@
 	.io_ops = &spk_serial_io_ops,
 	.probe = spk_serial_synth_probe,
 	.release = spk_serial_release,
-	.synth_immediate = spk_synth_immediate,
+	.synth_immediate = spk_serial_synth_immediate,
 	.catch_up = spk_do_catch_up,
 	.flush = spk_synth_flush,
 	.is_alive = spk_synth_is_alive_restart,
Index: linux-4.11-rc2/drivers/staging/speakup/spk_priv.h
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/spk_priv.h
+++ linux-4.11-rc2/drivers/staging/speakup/spk_priv.h
@@ -57,7 +57,7 @@
 		      const char *buf, size_t count);
 
 int spk_serial_synth_probe(struct spk_synth *synth);
-const char *spk_synth_immediate(struct spk_synth *synth, const char *buff);
+const char *spk_serial_synth_immediate(struct spk_synth *synth, const char *buff);
 void spk_do_catch_up(struct spk_synth *synth);
 void spk_synth_flush(struct spk_synth *synth);
 int spk_synth_is_alive_nop(struct spk_synth *synth);
Index: linux-4.11-rc2/drivers/staging/speakup/synth.c
===================================================================
--- linux-4.11-rc2.orig/drivers/staging/speakup/synth.c
+++ linux-4.11-rc2/drivers/staging/speakup/synth.c
@@ -44,35 +44,6 @@
 
 static int do_synth_init(struct spk_synth *in_synth);
 
-int spk_serial_synth_probe(struct spk_synth *synth)
-{
-	const struct old_serial_port *ser;
-	int failed = 0;
-
-	if ((synth->ser >= SPK_LO_TTY) && (synth->ser <= SPK_HI_TTY)) {
-		ser = spk_serial_init(synth->ser);
-		if (ser == NULL) {
-			failed = -1;
-		} else {
-			outb_p(0, ser->port);
-			mdelay(1);
-			outb_p('\r', ser->port);
-		}
-	} else {
-		failed = -1;
-		pr_warn("ttyS%i is an invalid port\n", synth->ser);
-	}
-	if (failed) {
-		pr_info("%s: not found\n", synth->long_name);
-		return -ENODEV;
-	}
-	pr_info("%s: ttyS%i, Driver Version %s\n",
-		synth->long_name, synth->ser, synth->version);
-	synth->alive = 1;
-	return 0;
-}
-EXPORT_SYMBOL_GPL(spk_serial_synth_probe);
-
 /*
  * Main loop of the progression thread: keep eating from the buffer
  * and push to the serial port, waiting as needed
@@ -146,23 +117,6 @@
 }
 EXPORT_SYMBOL_GPL(spk_do_catch_up);
 
-const char *spk_synth_immediate(struct spk_synth *synth, const char *buff)
-{
-	u_char ch;
-
-	while ((ch = *buff)) {
-		if (ch == '\n')
-			ch = synth->procspeech;
-		if (spk_wait_for_xmitr(synth))
-			outb(ch, speakup_info.port_tts);
-		else
-			return buff;
-		buff++;
-	}
-	return NULL;
-}
-EXPORT_SYMBOL_GPL(spk_synth_immediate);
-
 void spk_synth_flush(struct spk_synth *synth)
 {
 	synth->io_ops->synth_out(synth, synth->clear);

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#1601867 — Re: [patch 4/4] staging: speakup: move those functions which do outgoing serial comms, into serialio.c

On Tue, Mar 14, 2017 at 01:41:55PM +0000, Okash Khawaja wrote:
> This moves spk_synth_immediate and spk_serial_synth_probe functions into
> serialio.c. These functions do outgoing serial comms. The move is a step
> towards collecting all serial comms in serialio.c. This also renames
> spk_synth_immediate to spk_serial_synth_immediate.
> 
> Code inside those functions has not been changed. Along the way, this patch
> also fixes a couple of spots which were calling spk_synth_immediate directly,
> so that the calls now happen via the spk_syth struct.
> 
> Signed-off-by: Okash Khawaja <okash.khawaja@gmail.com>
> Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
> 
> Index: linux-4.11-rc2/drivers/staging/speakup/serialio.c

This patch doesn't apply to my tree at all.  The first 3 applied with
some fuzz, so I think you are not working against linux-next. Please
rebase your patch against linux-next, or my staging-testing branch, and
resend so I can apply it.

thanks,

greg k-h

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#1602003 — Re: [patch 4/4] staging: speakup: move those functions which do outgoing serial comms, into serialio.c

On Thu, Mar 16, 2017 at 11:14:09AM +0900, Greg Kroah-Hartman wrote:
> On Tue, Mar 14, 2017 at 01:41:55PM +0000, Okash Khawaja wrote:
> > This moves spk_synth_immediate and spk_serial_synth_probe functions into
> > serialio.c. These functions do outgoing serial comms. The move is a step
> > towards collecting all serial comms in serialio.c. This also renames
> > spk_synth_immediate to spk_serial_synth_immediate.
> > 
> > Code inside those functions has not been changed. Along the way, this patch
> > also fixes a couple of spots which were calling spk_synth_immediate directly,
> > so that the calls now happen via the spk_syth struct.
> > 
> > Signed-off-by: Okash Khawaja <okash.khawaja@gmail.com>
> > Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
> > 
> > Index: linux-4.11-rc2/drivers/staging/speakup/serialio.c
> 
> This patch doesn't apply to my tree at all.  The first 3 applied with
> some fuzz, so I think you are not working against linux-next. Please
> rebase your patch against linux-next, or my staging-testing branch, and
> resend so I can apply it.

Sure, will rebase against staging-testing. Just this patch or the
patch set?

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#1602005 — Re: [patch 4/4] staging: speakup: move those functions which do outgoing serial comms, into serialio.c

On Thu, Mar 16, 2017 at 06:51:54AM +0000, Okash Khawaja wrote:
> On Thu, Mar 16, 2017 at 11:14:09AM +0900, Greg Kroah-Hartman wrote:
> > On Tue, Mar 14, 2017 at 01:41:55PM +0000, Okash Khawaja wrote:
> > > This moves spk_synth_immediate and spk_serial_synth_probe functions into
> > > serialio.c. These functions do outgoing serial comms. The move is a step
> > > towards collecting all serial comms in serialio.c. This also renames
> > > spk_synth_immediate to spk_serial_synth_immediate.
> > > 
> > > Code inside those functions has not been changed. Along the way, this patch
> > > also fixes a couple of spots which were calling spk_synth_immediate directly,
> > > so that the calls now happen via the spk_syth struct.
> > > 
> > > Signed-off-by: Okash Khawaja <okash.khawaja@gmail.com>
> > > Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
> > > 
> > > Index: linux-4.11-rc2/drivers/staging/speakup/serialio.c
> > 
> > This patch doesn't apply to my tree at all.  The first 3 applied with
> > some fuzz, so I think you are not working against linux-next. Please
> > rebase your patch against linux-next, or my staging-testing branch, and
> > resend so I can apply it.
> 
> Sure, will rebase against staging-testing. Just this patch or the
> patch set?

I applied the first 3, so if you rebase, they should just "go away" :)

thanks,

greg k-h

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#1602061 — [patch 4/4] staging: speakup: move those functions which do outgoing serial comms, into serialio.c

This moves spk_synth_immediate and spk_serial_synth_probe functions into
serialio.c. These functions do outgoing serial comms. The move is a step
towards collecting all serial comms in serialio.c. This also renames
spk_synth_immediate to spk_serial_synth_immediate.

Code inside those functions has not been changed. Along the way, this patch
also fixes a couple of spots which were calling spk_synth_immediate directly,
so that the calls now happen via the spk_syth struct.

Signed-off-by: Okash Khawaja <okash.khawaja@gmail.com>

Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>

Index: linux-staging/drivers/staging/speakup/serialio.c
===================================================================
--- linux-staging.orig/drivers/staging/speakup/serialio.c
+++ linux-staging/drivers/staging/speakup/serialio.c
@@ -136,6 +136,35 @@
 	outb(1, speakup_info.port_tts + UART_FCR);	/* Turn FIFO On */
 }
 
+int spk_serial_synth_probe(struct spk_synth *synth)
+{
+	const struct old_serial_port *ser;
+	int failed = 0;
+
+	if ((synth->ser >= SPK_LO_TTY) && (synth->ser <= SPK_HI_TTY)) {
+		ser = spk_serial_init(synth->ser);
+		if (!ser) {
+			failed = -1;
+		} else {
+			outb_p(0, ser->port);
+			mdelay(1);
+			outb_p('\r', ser->port);
+		}
+	} else {
+		failed = -1;
+		pr_warn("ttyS%i is an invalid port\n", synth->ser);
+	}
+	if (failed) {
+		pr_info("%s: not found\n", synth->long_name);
+		return -ENODEV;
+	}
+	pr_info("%s: ttyS%i, Driver Version %s\n",
+		synth->long_name, synth->ser, synth->version);
+	synth->alive = 1;
+	return 0;
+}
+EXPORT_SYMBOL_GPL(spk_serial_synth_probe);
+
 void spk_stop_serial_interrupt(void)
 {
 	if (speakup_info.port_tts == 0)
@@ -223,6 +252,23 @@
 	return 0;
 }
 
+const char *spk_serial_synth_immediate(struct spk_synth *synth, const char *buff)
+{
+	u_char ch;
+
+	while ((ch = *buff)) {
+		if (ch == '\n')
+			ch = synth->procspeech;
+		if (spk_wait_for_xmitr(synth))
+			outb(ch, speakup_info.port_tts);
+		else
+			return buff;
+		buff++;
+	}
+	return NULL;
+}
+EXPORT_SYMBOL_GPL(spk_serial_synth_immediate);
+
 void spk_serial_release(void)
 {
 	spk_stop_serial_interrupt();
Index: linux-staging/drivers/staging/speakup/speakup_acntsa.c
===================================================================
--- linux-staging.orig/drivers/staging/speakup/speakup_acntsa.c
+++ linux-staging/drivers/staging/speakup/speakup_acntsa.c
@@ -102,7 +102,7 @@
 	.io_ops = &spk_serial_io_ops,
 	.probe = synth_probe,
 	.release = spk_serial_release,
-	.synth_immediate = spk_synth_immediate,
+	.synth_immediate = spk_serial_synth_immediate,
 	.catch_up = spk_do_catch_up,
 	.flush = spk_synth_flush,
 	.is_alive = spk_synth_is_alive_restart,
@@ -127,7 +127,7 @@
 
 	failed = spk_serial_synth_probe(synth);
 	if (failed == 0) {
-		spk_synth_immediate(synth, "\033=R\r");
+		synth->synth_immediate(synth, "\033=R\r");
 		mdelay(100);
 	}
 	synth->alive = !failed;
Index: linux-staging/drivers/staging/speakup/speakup_apollo.c
===================================================================
--- linux-staging.orig/drivers/staging/speakup/speakup_apollo.c
+++ linux-staging/drivers/staging/speakup/speakup_apollo.c
@@ -111,7 +111,7 @@
 	.io_ops = &spk_serial_io_ops,
 	.probe = spk_serial_synth_probe,
 	.release = spk_serial_release,
-	.synth_immediate = spk_synth_immediate,
+	.synth_immediate = spk_serial_synth_immediate,
 	.catch_up = do_catch_up,
 	.flush = spk_synth_flush,
 	.is_alive = spk_synth_is_alive_restart,
Index: linux-staging/drivers/staging/speakup/speakup_audptr.c
===================================================================
--- linux-staging.orig/drivers/staging/speakup/speakup_audptr.c
+++ linux-staging/drivers/staging/speakup/speakup_audptr.c
@@ -107,7 +107,7 @@
 	.io_ops = &spk_serial_io_ops,
 	.probe = synth_probe,
 	.release = spk_serial_release,
-	.synth_immediate = spk_synth_immediate,
+	.synth_immediate = spk_serial_synth_immediate,
 	.catch_up = spk_do_catch_up,
 	.flush = synth_flush,
 	.is_alive = spk_synth_is_alive_restart,
@@ -144,7 +144,7 @@
 	unsigned char test = 0;
 	char synth_id[40] = "";
 
-	spk_synth_immediate(synth, "\x05[Q]");
+	synth->synth_immediate(synth, "\x05[Q]");
 	synth_id[test] = spk_serial_in();
 	if (synth_id[test] == 'A') {
 		do {
Index: linux-staging/drivers/staging/speakup/speakup_bns.c
===================================================================
--- linux-staging.orig/drivers/staging/speakup/speakup_bns.c
+++ linux-staging/drivers/staging/speakup/speakup_bns.c
@@ -99,7 +99,7 @@
 	.io_ops = &spk_serial_io_ops,
 	.probe = spk_serial_synth_probe,
 	.release = spk_serial_release,
-	.synth_immediate = spk_synth_immediate,
+	.synth_immediate = spk_serial_synth_immediate,
 	.catch_up = spk_do_catch_up,
 	.flush = spk_synth_flush,
 	.is_alive = spk_synth_is_alive_restart,
Index: linux-staging/drivers/staging/speakup/speakup_decext.c
===================================================================
--- linux-staging.orig/drivers/staging/speakup/speakup_decext.c
+++ linux-staging/drivers/staging/speakup/speakup_decext.c
@@ -130,7 +130,7 @@
 	.io_ops = &spk_serial_io_ops,
 	.probe = spk_serial_synth_probe,
 	.release = spk_serial_release,
-	.synth_immediate = spk_synth_immediate,
+	.synth_immediate = spk_serial_synth_immediate,
 	.catch_up = do_catch_up,
 	.flush = synth_flush,
 	.is_alive = spk_synth_is_alive_restart,
@@ -225,7 +225,7 @@
 static void synth_flush(struct spk_synth *synth)
 {
 	in_escape = 0;
-	spk_synth_immediate(synth, "\033P;10z\033\\");
+	synth->synth_immediate(synth, "\033P;10z\033\\");
 }
 
 module_param_named(ser, synth_decext.ser, int, 0444);
Index: linux-staging/drivers/staging/speakup/speakup_dectlk.c
===================================================================
--- linux-staging.orig/drivers/staging/speakup/speakup_dectlk.c
+++ linux-staging/drivers/staging/speakup/speakup_dectlk.c
@@ -133,7 +133,7 @@
 	.io_ops = &spk_serial_io_ops,
 	.probe = spk_serial_synth_probe,
 	.release = spk_serial_release,
-	.synth_immediate = spk_synth_immediate,
+	.synth_immediate = spk_serial_synth_immediate,
 	.catch_up = do_catch_up,
 	.flush = synth_flush,
 	.is_alive = spk_synth_is_alive_restart,
Index: linux-staging/drivers/staging/speakup/speakup_dummy.c
===================================================================
--- linux-staging.orig/drivers/staging/speakup/speakup_dummy.c
+++ linux-staging/drivers/staging/speakup/speakup_dummy.c
@@ -101,7 +101,7 @@
 	.io_ops = &spk_serial_io_ops,
 	.probe = spk_serial_synth_probe,
 	.release = spk_serial_release,
-	.synth_immediate = spk_synth_immediate,
+	.synth_immediate = spk_serial_synth_immediate,
 	.catch_up = spk_do_catch_up,
 	.flush = spk_synth_flush,
 	.is_alive = spk_synth_is_alive_restart,
Index: linux-staging/drivers/staging/speakup/speakup_ltlk.c
===================================================================
--- linux-staging.orig/drivers/staging/speakup/speakup_ltlk.c
+++ linux-staging/drivers/staging/speakup/speakup_ltlk.c
@@ -114,7 +114,7 @@
 	.io_ops = &spk_serial_io_ops,
 	.probe = synth_probe,
 	.release = spk_serial_release,
-	.synth_immediate = spk_synth_immediate,
+	.synth_immediate = spk_serial_synth_immediate,
 	.catch_up = spk_do_catch_up,
 	.flush = spk_synth_flush,
 	.is_alive = spk_synth_is_alive_restart,
@@ -139,7 +139,7 @@
 	unsigned char *t, i;
 	unsigned char buf[50], rom_v[20];
 
-	spk_synth_immediate(synth, "\x18\x01?");
+	synth->synth_immediate(synth, "\x18\x01?");
 	for (i = 0; i < 50; i++) {
 		buf[i] = spk_serial_in();
 		if (i > 2 && buf[i] == 0x7f)
Index: linux-staging/drivers/staging/speakup/speakup_spkout.c
===================================================================
--- linux-staging.orig/drivers/staging/speakup/speakup_spkout.c
+++ linux-staging/drivers/staging/speakup/speakup_spkout.c
@@ -105,7 +105,7 @@
 	.io_ops = &spk_serial_io_ops,
 	.probe = spk_serial_synth_probe,
 	.release = spk_serial_release,
-	.synth_immediate = spk_synth_immediate,
+	.synth_immediate = spk_serial_synth_immediate,
 	.catch_up = spk_do_catch_up,
 	.flush = synth_flush,
 	.is_alive = spk_synth_is_alive_restart,
Index: linux-staging/drivers/staging/speakup/speakup_txprt.c
===================================================================
--- linux-staging.orig/drivers/staging/speakup/speakup_txprt.c
+++ linux-staging/drivers/staging/speakup/speakup_txprt.c
@@ -98,7 +98,7 @@
 	.io_ops = &spk_serial_io_ops,
 	.probe = spk_serial_synth_probe,
 	.release = spk_serial_release,
-	.synth_immediate = spk_synth_immediate,
+	.synth_immediate = spk_serial_synth_immediate,
 	.catch_up = spk_do_catch_up,
 	.flush = spk_synth_flush,
 	.is_alive = spk_synth_is_alive_restart,
Index: linux-staging/drivers/staging/speakup/spk_priv.h
===================================================================
--- linux-staging.orig/drivers/staging/speakup/spk_priv.h
+++ linux-staging/drivers/staging/speakup/spk_priv.h
@@ -58,7 +58,7 @@
 		      const char *buf, size_t count);
 
 int spk_serial_synth_probe(struct spk_synth *synth);
-const char *spk_synth_immediate(struct spk_synth *synth, const char *buff);
+const char *spk_serial_synth_immediate(struct spk_synth *synth, const char *buff);
 void spk_do_catch_up(struct spk_synth *synth);
 void spk_synth_flush(struct spk_synth *synth);
 int spk_synth_is_alive_nop(struct spk_synth *synth);
Index: linux-staging/drivers/staging/speakup/synth.c
===================================================================
--- linux-staging.orig/drivers/staging/speakup/synth.c
+++ linux-staging/drivers/staging/speakup/synth.c
@@ -44,35 +44,6 @@
 
 static int do_synth_init(struct spk_synth *in_synth);
 
-int spk_serial_synth_probe(struct spk_synth *synth)
-{
-	const struct old_serial_port *ser;
-	int failed = 0;
-
-	if ((synth->ser >= SPK_LO_TTY) && (synth->ser <= SPK_HI_TTY)) {
-		ser = spk_serial_init(synth->ser);
-		if (!ser) {
-			failed = -1;
-		} else {
-			outb_p(0, ser->port);
-			mdelay(1);
-			outb_p('\r', ser->port);
-		}
-	} else {
-		failed = -1;
-		pr_warn("ttyS%i is an invalid port\n", synth->ser);
-	}
-	if (failed) {
-		pr_info("%s: not found\n", synth->long_name);
-		return -ENODEV;
-	}
-	pr_info("%s: ttyS%i, Driver Version %s\n",
-		synth->long_name, synth->ser, synth->version);
-	synth->alive = 1;
-	return 0;
-}
-EXPORT_SYMBOL_GPL(spk_serial_synth_probe);
-
 /*
  * Main loop of the progression thread: keep eating from the buffer
  * and push to the serial port, waiting as needed
@@ -147,23 +118,6 @@
 }
 EXPORT_SYMBOL_GPL(spk_do_catch_up);
 
-const char *spk_synth_immediate(struct spk_synth *synth, const char *buff)
-{
-	u_char ch;
-
-	while ((ch = *buff)) {
-		if (ch == '\n')
-			ch = synth->procspeech;
-		if (spk_wait_for_xmitr(synth))
-			outb(ch, speakup_info.port_tts);
-		else
-			return buff;
-		buff++;
-	}
-	return NULL;
-}
-EXPORT_SYMBOL_GPL(spk_synth_immediate);
-
 void spk_synth_flush(struct spk_synth *synth)
 {
 	synth->io_ops->synth_out(synth, synth->clear);

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