GPIO fixes for the v3.15 series:

- 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

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 */

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)