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[PATCH v2 2/2] serial: 8250_early: squash wait_for_xmitr() into serial_putc()

From Masahiro Yamada <yamada.masahiro@socionext.com>
Newsgroups linux.kernel
Subject [PATCH v2 2/2] serial: 8250_early: squash wait_for_xmitr() into serial_putc()
Date 2015-10-24 06:20 +0200
Message-ID <qmYtc-65k-1@gated-at.bofh.it> (permalink)
References <qmYtc-65k-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Now, wait_for_xmitr() is only called from serial_putc(), and both
are short enough.  They can be merged into a single function.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---

 drivers/tty/serial/8250/8250_early.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/tty/serial/8250/8250_early.c b/drivers/tty/serial/8250/8250_early.c
index 559b681..19aca19 100644
--- a/drivers/tty/serial/8250/8250_early.c
+++ b/drivers/tty/serial/8250/8250_early.c
@@ -76,21 +76,17 @@ static void __init serial8250_early_out(struct uart_port *port, int offset, int
 
 #define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE)
 
-static void __init wait_for_xmitr(struct uart_port *port)
+static void __init serial_putc(struct uart_port *port, int c)
 {
 	unsigned int status;
 
 	for (;;) {
 		status = serial8250_early_in(port, UART_LSR);
 		if ((status & BOTH_EMPTY) == BOTH_EMPTY)
-			return;
+			break;
 		cpu_relax();
 	}
-}
 
-static void __init serial_putc(struct uart_port *port, int c)
-{
-	wait_for_xmitr(port);
 	serial8250_early_out(port, UART_TX, c);
 }
 
-- 
1.9.1

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[PATCH v2 2/2] serial: 8250_early: squash wait_for_xmitr() into serial_putc() Masahiro Yamada <yamada.masahiro@socionext.com> - 2015-10-24 06:20 +0200

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