Thread (3 messages) 3 messages, 2 authors, 2012-09-18
STALE5009d REVIEWED: 1 (0M)

[PATCH] serial: omap: Remove unnecessary checks from suspend/resume

From: Felipe Balbi <hidden>
Date: 2012-09-18 11:34:46
Also in: linux-omap, linux-serial

On Tue, Sep 18, 2012 at 05:05:54PM +0530, Sourav Poddar wrote:
Drop the check for "up" being valid on suspend/resume callbacks.
It should be valid always. Get rid of the "pdata" check also as
serial_omap_get_context_loss_count() checks for it.

Tested on omap4 panda and 3630 based Beagle board.
you need a blank line here. Other than that:

Reviewed-by: Felipe Balbi <redacted>

ps: what kind of tests did you run, btw ?
quoted hunk ↗ jump to hunk
Signed-off-by: Sourav Poddar <redacted>
---
 drivers/tty/serial/omap-serial.c |   23 +++++++++--------------
 1 files changed, 9 insertions(+), 14 deletions(-)
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index f175385..3c05c5e 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -1222,10 +1222,8 @@ static int serial_omap_suspend(struct device *dev)
 {
 	struct uart_omap_port *up = dev_get_drvdata(dev);
 
-	if (up) {
-		uart_suspend_port(&serial_omap_reg, &up->port);
-		flush_work_sync(&up->qos_work);
-	}
+	uart_suspend_port(&serial_omap_reg, &up->port);
+	flush_work_sync(&up->qos_work);
 
 	return 0;
 }
@@ -1234,8 +1232,8 @@ static int serial_omap_resume(struct device *dev)
 {
 	struct uart_omap_port *up = dev_get_drvdata(dev);
 
-	if (up)
-		uart_resume_port(&serial_omap_reg, &up->port);
+	uart_resume_port(&serial_omap_reg, &up->port);
+
 	return 0;
 }
 #endif
@@ -1553,17 +1551,14 @@ static int serial_omap_runtime_suspend(struct device *dev)
 static int serial_omap_runtime_resume(struct device *dev)
 {
 	struct uart_omap_port *up = dev_get_drvdata(dev);
-	struct omap_uart_port_info *pdata = dev->platform_data;
 
-	if (up && pdata) {
-			u32 loss_cnt = serial_omap_get_context_loss_count(up);
+	u32 loss_cnt = serial_omap_get_context_loss_count(up);
 
-			if (up->context_loss_cnt != loss_cnt)
-				serial_omap_restore_context(up);
+	if (up->context_loss_cnt != loss_cnt)
+		serial_omap_restore_context(up);
 
-		up->latency = up->calc_latency;
-		schedule_work(&up->qos_work);
-	}
+	up->latency = up->calc_latency;
+	schedule_work(&up->qos_work);
 
 	return 0;
 }
-- 
1.7.1
-- 
balbi
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 836 bytes
Desc: Digital signature
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20120918/c02b5095/attachment-0001.sig>
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help