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authorHauke Mehrtens <hauke@hauke-m.de>2012-11-20 22:24:30 +0000
committerJohn Crispin <blogic@openwrt.org>2012-11-21 21:55:52 +0100
commitcf0936b06d8e98a157630e99f647e2ff6d29d7ad (patch)
tree651457e034e073d236e9b0e64e0008e4ed2e0150 /drivers/bcma/main.c
parent3e8bb507edfb44dfb8b0e06574826e34a8f6291d (diff)
downloadlinux-cf0936b06d8e98a157630e99f647e2ff6d29d7ad.tar.bz2
bcma: add GPIO driver
Register a GPIO driver to access the GPIOs provided by the chip. The GPIOs of the SoC should always start at 0 and the other GPIOs could start at a random position. There is just one SoC in a system and when they start at 0 the number is predictable. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Patchwork: http://patchwork.linux-mips.org/patch/4587 Acked-by: Florian Fainelli <florian@openwrt.org>
Diffstat (limited to 'drivers/bcma/main.c')
-rw-r--r--drivers/bcma/main.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c
index d865470bc951..478ba01ca0c2 100644
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c
@@ -152,6 +152,11 @@ static int bcma_register_cores(struct bcma_bus *bus)
bcma_err(bus, "Error registering NAND flash\n");
}
#endif
+ err = bcma_gpio_init(&bus->drv_cc);
+ if (err == -ENOTSUPP)
+ bcma_debug(bus, "GPIO driver not activated\n");
+ else if (err)
+ bcma_err(bus, "Error registering GPIO driver: %i\n", err);
return 0;
}