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GPIO fixes for the v3.15 series:

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- Fix a null pointer bug in the ICH6 chipset driver
 
 - Fix device tree registration for the mcp23s08 driver
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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
This commit is contained in:
Linus Torvalds 2014-05-21 18:53:13 +09:00
commit 081069ff81
2 changed files with 11 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gpio/gpio-ich.c
View File

@ -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 */

12
drivers/gpio/gpio-mcp23s08.c
View File

@ -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)