[PATCH 6/8] ARM: sa1100/collie: switch collie IrDA to use gpiod APIs
From: Russell King <hidden>
Date: 2016-08-29 11:26:31
Also in:
linux-arm-kernel
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
Switch the IrDA code to use the gpiod APIs rather than platform data with function callbacks. Signed-off-by: Russell King <redacted> --- arch/arm/mach-sa1100/collie.c | 40 ++++++++++++---------------------------- 1 file changed, 12 insertions(+), 28 deletions(-)
diff --git a/arch/arm/mach-sa1100/collie.c b/arch/arm/mach-sa1100/collie.c
index 3cc2b71e16f0..8ed0cbfaa0f4 100644
--- a/arch/arm/mach-sa1100/collie.c
+++ b/arch/arm/mach-sa1100/collie.c@@ -21,6 +21,7 @@ #include <linux/kernel.h> #include <linux/tty.h> #include <linux/delay.h> +#include <linux/gpio/machine.h> #include <linux/platform_data/sa11x0-serial.h> #include <linux/platform_device.h> #include <linux/mfd/ucb1x00.h>
@@ -97,35 +98,16 @@ static struct mcp_plat_data collie_mcp_data = { .codec_pdata = &collie_ucb1x00_data, }; -static int collie_ir_startup(struct device *dev) -{ - int rc = gpio_request(COLLIE_GPIO_IR_ON, "IrDA"); - if (rc) - return rc; - rc = gpio_direction_output(COLLIE_GPIO_IR_ON, 1); - - if (!rc) - return 0; - - gpio_free(COLLIE_GPIO_IR_ON); - return rc; -} - -static void collie_ir_shutdown(struct device *dev) -{ - gpio_free(COLLIE_GPIO_IR_ON); -} - -static int collie_ir_set_power(struct device *dev, unsigned int state) -{ - gpio_set_value(COLLIE_GPIO_IR_ON, !state); - return 0; -} - static struct irda_platform_data collie_ir_data = { - .startup = collie_ir_startup, - .shutdown = collie_ir_shutdown, - .set_power = collie_ir_set_power, +}; + +/* IrDA GPIO mappings */ +static struct gpiod_lookup_table collie_irda_gpio_table = { + .dev_id = "sa11x0-ir", + .table = { + GPIO_LOOKUP("ucb1x00", 3, "ir-power", GPIO_ACTIVE_LOW), + { }, + }, }; /*
@@ -357,6 +339,8 @@ static void __init collie_init(void) { int ret = 0; + gpiod_add_lookup_table(&collie_irda_gpio_table); + /* cpu initialize */ GAFR = GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SSP_CLK | GPIO_MCP_CLK | GPIO_32_768kHz;
--
2.1.0