1 files changed, 0 insertions, 74 deletions
diff --git a/target/linux/ar71xx/patches-3.10/451-gpio-74x164-improve-platform-device-support.patch b/target/linux/ar71xx/patches-3.10/451-gpio-74x164-improve-platform-device-support.patch
deleted file mode 100644
index b19bb85c85..0000000000
--- a/target/linux/ar71xx/patches-3.10/451-gpio-74x164-improve-platform-device-support.patch
+++ /dev/null
@@ -1,74 +0,0 @@
---- a/drivers/gpio/gpio-74x164.c
-+++ b/drivers/gpio/gpio-74x164.c
-@@ -109,10 +109,14 @@ static int gen_74x164_probe(struct spi_d
- {
- 	struct gen_74x164_chip *chip;
- 	struct gen_74x164_chip_platform_data *pdata;
-+	struct device_node *np;
- 	int ret;
- 
--	if (!spi->dev.of_node) {
--		dev_err(&spi->dev, "No device tree data available.\n");
-+	pdata = spi->dev.platform_data;
-+	np = spi->dev.of_node;
-+
-+	if (!np && !pdata) {
-+		dev_err(&spi->dev, "No configuration data available.\n");
- 		return -EINVAL;
- 	}
- 
-@@ -129,7 +133,6 @@ static int gen_74x164_probe(struct spi_d
- 	if (!chip)
- 		return -ENOMEM;
- 
--	pdata = spi->dev.platform_data;
- 	if (pdata && pdata->base)
- 		chip->gpio_chip.base = pdata->base;
- 	else
-@@ -146,12 +149,19 @@ static int gen_74x164_probe(struct spi_d
- 	chip->gpio_chip.get = gen_74x164_get_value;
- 	chip->gpio_chip.set = gen_74x164_set_value;
- 
--	if (of_property_read_u32(spi->dev.of_node, "registers-number", &chip->registers)) {
--		dev_err(&spi->dev, "Missing registers-number property in the DT.\n");
--		ret = -EINVAL;
--		goto exit_destroy;
-+	if (np) {
-+		if (of_property_read_u32(spi->dev.of_node, "registers-number", &chip->registers)) {
-+			dev_err(&spi->dev, "Missing registers-number property in the DT.\n");
-+			ret = -EINVAL;
-+			goto exit_destroy;
-+		}
-+	} else if (pdata) {
-+		chip->registers = pdata->num_registers;
- 	}
- 
-+	if (!chip->registers)
-+		chip->registers = 1;
-+
- 	chip->gpio_chip.ngpio = GEN_74X164_NUMBER_GPIOS * chip->registers;
- 	chip->buffer = devm_kzalloc(&spi->dev, chip->registers, GFP_KERNEL);
- 	if (!chip->buffer) {
-@@ -159,6 +169,9 @@ static int gen_74x164_probe(struct spi_d
- 		goto exit_destroy;
- 	}
- 
-+	if (pdata && pdata->init_data)
-+		memcpy(chip->buffer, pdata->init_data, chip->registers);
-+
- 	chip->gpio_chip.can_sleep = 1;
- 	chip->gpio_chip.dev = &spi->dev;
- 	chip->gpio_chip.owner = THIS_MODULE;
---- a/include/linux/spi/74x164.h
-+++ b/include/linux/spi/74x164.h
-@@ -4,6 +4,10 @@
- struct gen_74x164_chip_platform_data {
- 	/* number assigned to the first GPIO */
- 	unsigned	base;
-+	/* number of chained registers */
-+	unsigned	num_registers;
-+	/* address of a buffer containing initial data */
-+	u8		*init_data;
- };
- 
- #endif