Commit 081069ff authored by Linus Torvalds's avatar Linus Torvalds
Browse files
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
parents 06eb4cc2 99e4b98d
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+4 −0
Original line number Diff line number Diff line
@@ -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 */
+7 −5
Original line number Diff line number Diff line
@@ -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)