diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-05-21 18:53:13 +0900 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-05-21 18:53:13 +0900 |
| commit | 081069ff817ea7434016c482156e1ef0a7ffb4f3 (patch) | |
| tree | 1f33e54b9055abc29fede286bf7764f2ba6843aa | |
| parent | 06eb4cc2e7ad1b32a3b2580eff772c29b53a2cc6 (diff) | |
| parent | 99e4b98dbe3ad1fe38a74d12c3b8d44a55930de4 (diff) | |
Merge tag 'gpio-v3.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
- fix a null pointer bug in the ICH6 chipset driver
- fix device tree registration for the mcp23s08 driver
* tag 'gpio-v3.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: mcp23s08: Bug fix of SPI device tree registration.
gpio: ich: set regs and reglen for i3100 and ich6 chipset
| -rw-r--r-- | drivers/gpio/gpio-ich.c | 4 | ||||
| -rw-r--r-- | drivers/gpio/gpio-mcp23s08.c | 12 |
2 files changed, 11 insertions, 5 deletions
diff --git a/drivers/gpio/gpio-ich.c b/drivers/gpio/gpio-ich.c index e73c6755a5eb..70304220a479 100644 --- a/drivers/gpio/gpio-ich.c +++ b/drivers/gpio/gpio-ich.c @@ -305,6 +305,8 @@ static struct ichx_desc ich6_desc = { .ngpio = 50, .have_blink = true, + .regs = ichx_regs, + .reglen = ichx_reglen, }; /* Intel 3100 */ @@ -324,6 +326,8 @@ static struct ichx_desc i3100_desc = { .uses_gpe0 = true, .ngpio = 50, + .regs = ichx_regs, + .reglen = ichx_reglen, }; /* ICH7 and ICH8-based */ diff --git a/drivers/gpio/gpio-mcp23s08.c b/drivers/gpio/gpio-mcp23s08.c index 99a68310e7c0..3d53fd6880d1 100644 --- a/drivers/gpio/gpio-mcp23s08.c +++ b/drivers/gpio/gpio-mcp23s08.c @@ -894,9 +894,11 @@ static int mcp23s08_probe(struct spi_device *spi) dev_err(&spi->dev, "invalid spi-present-mask\n"); return -ENODEV; } - - for (addr = 0; addr < ARRAY_SIZE(pdata->chip); addr++) + for (addr = 0; addr < ARRAY_SIZE(pdata->chip); addr++) { + if ((spi_present_mask & (1 << addr))) + chips++; pullups[addr] = 0; + } } else { type = spi_get_device_id(spi)->driver_data; pdata = dev_get_platdata(&spi->dev); @@ -919,12 +921,12 @@ static int mcp23s08_probe(struct spi_device *spi) pullups[addr] = pdata->chip[addr].pullups; } - if (!chips) - return -ENODEV; - base = pdata->base; } + if (!chips) + return -ENODEV; + data = kzalloc(sizeof(*data) + chips * sizeof(struct mcp23s08), GFP_KERNEL); if (!data) |