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bcma: add comment to bcma_chipco_gpio_control 

Add description to the function.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Patchwork: http://patchwork.linux-mips.org/patch/4588
Acked-by: Florian Fainelli <florian@openwrt.org>
This commit is contained in:
Hauke Mehrtens 2012-11-20 22:24:29 +00:00 committed by John Crispin
parent ea3488f469
commit 3e8bb507ed
1 changed files with 4 additions and 0 deletions
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4
drivers/bcma/driver_chipcommon.c
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@ -108,6 +108,10 @@ u32 bcma_chipco_gpio_outen(struct bcma_drv_cc *cc, u32 mask, u32 value)
return res;
}
/*
* If the bit is set to 0, chipcommon controlls this GPIO,
* if the bit is set to 1, it is used by some part of the chip and not our code.
*/
u32 bcma_chipco_gpio_control(struct bcma_drv_cc *cc, u32 mask, u32 value)
{
unsigned long flags;