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Groups > linux.kernel > #1229449

[PATCH 08/14] RFC: usb/host/fotg210: convert macro to inline function

From Peter Senna Tschudin <peter.senna@gmail.com>
Newsgroups linux.kernel
Subject [PATCH 08/14] RFC: usb/host/fotg210: convert macro to inline function
Date 2015-09-21 17:10 +0200
Message-ID <qbaT7-1N0-7@gated-at.bofh.it> (permalink)
References <q91Kj-2gb-19@gated-at.bofh.it> <qbaT7-1N0-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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This patch convert the macro speed_char in an inline function. The goal
of this patch is to make the code easier to read.

Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
---
 drivers/usb/host/fotg210-hcd.c | 27 ++++++++++++++++-----------
 1 file changed, 16 insertions(+), 11 deletions(-)

diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c
index 4032ed0..82cd5da 100644
--- a/drivers/usb/host/fotg210-hcd.c
+++ b/drivers/usb/host/fotg210-hcd.c
@@ -331,17 +331,22 @@ struct debug_buffer {
 	size_t alloc_size;
 };
 
-#define speed_char(info1)({ char tmp; \
-		switch (info1 & (3 << 12)) { \
-		case QH_FULL_SPEED:	\
-			tmp = 'f'; break; \
-		case QH_LOW_SPEED:	\
-			tmp = 'l'; break; \
-		case QH_HIGH_SPEED:	\
-			tmp = 'h'; break; \
-		default:		\
-			tmp = '?'; break; \
-		} tmp; })
+static inline char speed_char(u32 scratch)
+{
+	switch (scratch & (3 << 12)) {
+	case QH_FULL_SPEED:
+		return 'f';
+
+	case QH_LOW_SPEED:
+		return 'l';
+
+	case QH_HIGH_SPEED:
+		return 'h';
+
+	default:
+		return '?';
+	}
+}
 
 static inline char token_mark(struct fotg210_hcd *fotg210, __hc32 token)
 {
-- 
2.1.0

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Thread

similar files: fusbh200-hcd.c and fotg210-hcd.c Peter Senna Tschudin <peter.senna@gmail.com> - 2015-09-07 16:50 +0200
  Re: similar files: fusbh200-hcd.c and fotg210-hcd.c Felipe Balbi <balbi@ti.com> - 2015-09-08 18:00 +0200
    Re: similar files: fusbh200-hcd.c and fotg210-hcd.c Peter Senna Tschudin <peter.senna@gmail.com> - 2015-09-12 15:20 +0200
      Re: similar files: fusbh200-hcd.c and fotg210-hcd.c Felipe Balbi <balbi@ti.com> - 2015-09-14 17:10 +0200
        Re: similar files: fusbh200-hcd.c and fotg210-hcd.c Peter Senna Tschudin <peter.senna@gmail.com> - 2015-09-14 20:00 +0200
          Re: similar files: fusbh200-hcd.c and fotg210-hcd.c Felipe Balbi <balbi@ti.com> - 2015-09-15 16:40 +0200
            Re: similar files: fusbh200-hcd.c and fotg210-hcd.c Peter Senna Tschudin <peter.senna@gmail.com> - 2015-09-15 18:50 +0200
              Re: similar files: fusbh200-hcd.c and fotg210-hcd.c Felipe Balbi <balbi@ti.com> - 2015-09-15 19:00 +0200
                [PATCH 08/14] RFC: usb/host/fotg210: convert macro to inline function Peter Senna Tschudin <peter.senna@gmail.com> - 2015-09-21 17:10 +0200
                [PATCH 09/14] RFC: usb/host/fotg210: Add function: output_buf_tds_dir() Peter Senna Tschudin <peter.senna@gmail.com> - 2015-09-21 17:10 +0200
                Re: [PATCH 09/14] RFC: usb/host/fotg210: Add function:  output_buf_tds_dir() Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2015-09-21 21:20 +0200
                [PATCH 14/14] RFC: usb/host/faraday-hcd: Import FUSBH200 parameters Peter Senna Tschudin <peter.senna@gmail.com> - 2015-09-21 17:10 +0200
                [PATCH 00/14] RFC: Consolidation: FUSB200 and FOTG210 Peter Senna Tschudin <peter.senna@gmail.com> - 2015-09-21 17:10 +0200
                [PATCH 04/14] RFC: usb/host/fotg210: Remove NULL checks dma_pool_destroy Peter Senna Tschudin <peter.senna@gmail.com> - 2015-09-21 17:10 +0200
                [PATCH 03/14] RFC: usb/host/fotg210: Remove useless else statement Peter Senna Tschudin <peter.senna@gmail.com> - 2015-09-21 17:10 +0200
                [PATCH 10/14] RFC: usb/host/fotg210: Add function scan_frame_queue() Peter Senna Tschudin <peter.senna@gmail.com> - 2015-09-21 17:10 +0200
                [PATCH 06/14] RFC: usb/host/fotg210: replace msleep by usleep_range Peter Senna Tschudin <peter.senna@gmail.com> - 2015-09-21 17:10 +0200
                [PATCH 02/14] RFC: usb/host/fotg210: remove KERN_WARNING from pr_info Peter Senna Tschudin <peter.senna@gmail.com> - 2015-09-21 17:10 +0200
                Re: [PATCH 02/14] RFC: usb/host/fotg210: remove KERN_WARNING from  pr_info Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2015-09-21 21:00 +0200
                [PATCH 05/14] RFC: usb/host/fotg210: change kmalloc by kmalloc_array Peter Senna Tschudin <peter.senna@gmail.com> - 2015-09-21 17:10 +0200
                Re: [PATCH 05/14] RFC: usb/host/fotg210: change kmalloc by  kmalloc_array Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2015-09-21 21:00 +0200
                [PATCH 13/14] RFC: usb/host/faraday-hcd: Move #defines outside struct Peter Senna Tschudin <peter.senna@gmail.com> - 2015-09-21 17:10 +0200
                [PATCH 07/14] RFC: usb/host/fotg210: Remove a macro from snprintf Peter Senna Tschudin <peter.senna@gmail.com> - 2015-09-21 17:10 +0200

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