Title: [5995] trunk/arch/blackfin/kernel/bfin_gpio.c: From: Uwe Kleine-K?\195?\182nig <[email protected]>
- Revision
- 5995
- Author
- cooloney
- Date
- 2009-01-11 21:38:43 -0600 (Sun, 11 Jan 2009)
Log Message
From: Uwe Kleine-K?\195?\182nig <[email protected]>
According to the documentation gpio_free should only be called from task
context only. To make this more explicit add a might sleep to all
implementations.
This patch changes the gpio_free implementations for the blackfin
architecture.
Signed-off-by: Uwe Kleine-K?\195?\182nig <[email protected]>
Cc: David Brownell <[email protected]>
Acked-by: Bryan Wu <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Modified Paths
Diff
Modified: trunk/arch/blackfin/kernel/bfin_gpio.c (5994 => 5995)
--- trunk/arch/blackfin/kernel/bfin_gpio.c 2009-01-10 21:30:07 UTC (rev 5994)
+++ trunk/arch/blackfin/kernel/bfin_gpio.c 2009-01-12 03:38:43 UTC (rev 5995)
@@ -981,6 +981,8 @@
if (check_gpio(gpio) < 0)
return;
+ might_sleep();
+
local_irq_save_hw(flags);
if (unlikely(!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio)))) {
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