diff options
Diffstat (limited to 'target/linux/ar71xx/patches-3.18/451-gpio-74x164-improve-platform-device-support.patch')
| -rw-r--r-- | target/linux/ar71xx/patches-3.18/451-gpio-74x164-improve-platform-device-support.patch | 45 |
1 files changed, 43 insertions, 2 deletions
diff --git a/target/linux/ar71xx/patches-3.18/451-gpio-74x164-improve-platform-device-support.patch b/target/linux/ar71xx/patches-3.18/451-gpio-74x164-improve-platform-device-support.patch index ed95f5e25e..5d29fae222 100644 --- a/target/linux/ar71xx/patches-3.18/451-gpio-74x164-improve-platform-device-support.patch +++ b/target/linux/ar71xx/patches-3.18/451-gpio-74x164-improve-platform-device-support.patch @@ -1,6 +1,14 @@ --- a/drivers/gpio/gpio-74x164.c +++ b/drivers/gpio/gpio-74x164.c -@@ -107,8 +107,18 @@ static int gen_74x164_direction_output(s +@@ -12,6 +12,7 @@ + #include <linux/init.h> + #include <linux/mutex.h> + #include <linux/spi/spi.h> ++#include <linux/spi/74x164.h> + #include <linux/gpio.h> + #include <linux/of_gpio.h> + #include <linux/slab.h> +@@ -107,8 +108,18 @@ static int gen_74x164_direction_output(s static int gen_74x164_probe(struct spi_device *spi) { struct gen_74x164_chip *chip; @@ -19,7 +27,7 @@ /* * bits_per_word cannot be configured in platform data */ -@@ -130,18 +140,27 @@ static int gen_74x164_probe(struct spi_d +@@ -130,18 +141,28 @@ static int gen_74x164_probe(struct spi_d chip->gpio_chip.set = gen_74x164_set_value; chip->gpio_chip.base = -1; @@ -35,6 +43,7 @@ + goto exit_destroy; + } + } else if (pdata) { ++ chip->gpio_chip.base = pdata->base; + chip->registers = pdata->num_registers; } @@ -52,6 +61,27 @@ chip->gpio_chip.can_sleep = true; chip->gpio_chip.dev = &spi->dev; chip->gpio_chip.owner = THIS_MODULE; +@@ -174,17 +195,19 @@ static int gen_74x164_remove(struct spi_ + return 0; + } + ++#ifdef CONFIG_OF + static const struct of_device_id gen_74x164_dt_ids[] = { + { .compatible = "fairchild,74hc595" }, + {}, + }; + MODULE_DEVICE_TABLE(of, gen_74x164_dt_ids); ++#endif /* CONFIG_OF */ + + static struct spi_driver gen_74x164_driver = { + .driver = { + .name = "74x164", + .owner = THIS_MODULE, +- .of_match_table = gen_74x164_dt_ids, ++ .of_match_table = of_match_ptr(gen_74x164_dt_ids), + }, + .probe = gen_74x164_probe, + .remove = gen_74x164_remove, --- /dev/null +++ b/include/linux/spi/74x164.h @@ -0,0 +1,13 @@ @@ -68,3 +98,14 @@ +}; + +#endif +--- a/drivers/gpio/Kconfig ++++ b/drivers/gpio/Kconfig +@@ -821,7 +821,7 @@ config GPIO_MC33880 + + config GPIO_74X164 + tristate "74x164 serial-in/parallel-out 8-bits shift register" +- depends on SPI_MASTER && OF ++ depends on SPI_MASTER + help + Driver for 74x164 compatible serial-in/parallel-out 8-outputs + shift registers. This driver can be used to provide access |