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authorHauke Mehrtens <hauke@hauke-m.de>2012-11-20 22:24:29 +0000
committerJohn Crispin <blogic@openwrt.org>2012-11-21 21:55:51 +0100
commit3e8bb507edfb44dfb8b0e06574826e34a8f6291d (patch)
treeb11fe4f890b2930ed7860a269f8c4f43185e7688 /drivers/bcma/driver_chipcommon.c
parentea3488f4696fe22811eb19bee7088b732d3f8fe0 (diff)
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>
Diffstat (limited to 'drivers/bcma/driver_chipcommon.c')
-rw-r--r--drivers/bcma/driver_chipcommon.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/bcma/driver_chipcommon.c b/drivers/bcma/driver_chipcommon.c
index 0945383c227..994fce65f77 100644
--- a/drivers/bcma/driver_chipcommon.c
+++ b/drivers/bcma/driver_chipcommon.c
@@ -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;