diff options
| author |   Hauke Mehrtens <hauke@hauke-m.de> | 2012-11-20 22:24:33 +0000 |
|---|---|---|
| committer |   John Crispin <blogic@openwrt.org> | 2012-11-21 21:55:52 +0100 |
| commit | ec43b08b5733494ad88aa618ecdf534320dd8207 (patch) | |
| tree | 0d11a7fca2c2baef2d8d3b14564f747b6319c20a /drivers/ssb/main.c | |
| parent | ssb: add locking around gpio register accesses (diff) | |
| download | wireguard-linux-ec43b08b5733494ad88aa618ecdf534320dd8207.tar.xz wireguard-linux-ec43b08b5733494ad88aa618ecdf534320dd8207.zip | |
ssb: 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/4591
Acked-by: Florian Fainelli <florian@openwrt.org>
Diffstat (limited to 'drivers/ssb/main.c')
| -rw-r--r-- | drivers/ssb/main.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c index 6fe2d102734a..87f0ddf4f3f3 100644 --- a/drivers/ssb/main.c +++ b/drivers/ssb/main.c @@ -798,6 +798,12 @@ static int __devinit ssb_bus_register(struct ssb_bus *bus, ssb_chipcommon_init(&bus->chipco); ssb_extif_init(&bus->extif); ssb_mipscore_init(&bus->mipscore); + err = ssb_gpio_init(bus); + if (err == -ENOTSUPP) + ssb_dprintk(KERN_DEBUG PFX "GPIO driver not activated\n"); + else if (err) + ssb_dprintk(KERN_ERR PFX + "Error registering GPIO driver: %i\n", err); err = ssb_fetch_invariants(bus, get_invariants); if (err) { ssb_bus_may_powerdown(bus); |