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
diff --git a/drivers/gpio/gpio-ich.c b/drivers/gpio/gpio-ich.c
index e73c675..7030422 100644
--- a/drivers/gpio/gpio-ich.c
+++ b/drivers/gpio/gpio-ich.c
@@ -305,6 +305,8 @@
.ngpio = 50,
.have_blink = true,
+ .regs = ichx_regs,
+ .reglen = ichx_reglen,
};
/* Intel 3100 */
@@ -324,6 +326,8 @@
.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 99a6831..3d53fd6 100644
--- a/drivers/gpio/gpio-mcp23s08.c
+++ b/drivers/gpio/gpio-mcp23s08.c
@@ -894,9 +894,11 @@
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 @@
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)
