Don't use Amstrad Delta custom I/O functions once GPIO interface is
available for the underlying hardware.

Depends on patch 8/10 "omapfb: lcd_ams_delta: Drive control lines over
GPIO".

Signed-off-by: Janusz Krzysztofik <[email protected]>
---
 arch/arm/mach-omap1/board-ams-delta.c             |    5 --
 arch/arm/plat-omap/include/plat/board-ams-delta.h |    2 -
 drivers/input/serio/ams_delta_serio.c             |   45 +++++++++++---------
 3 files changed, 25 insertions(+), 27 deletions(-)

diff --git a/arch/arm/mach-omap1/board-ams-delta.c 
b/arch/arm/mach-omap1/board-ams-delta.c
index b7422e3..587118c 100644
--- a/arch/arm/mach-omap1/board-ams-delta.c
+++ b/arch/arm/mach-omap1/board-ams-delta.c
@@ -232,11 +232,6 @@ static struct gpio _latch_gpios[] __initconst = {
                .label  = "dockit2",
        },
        {
-               .gpio   = AMS_DELTA_GPIO_PIN_KEYBRD_PWR,
-               .flags  = GPIOF_OUT_INIT_LOW,
-               .label  = "keybrd_pwr",
-       },
-       {
                .gpio   = AMS_DELTA_GPIO_PIN_KEYBRD_DATAOUT,
                .flags  = GPIOF_OUT_INIT_LOW,
                .label  = "keybrd_dataout",
diff --git a/arch/arm/plat-omap/include/plat/board-ams-delta.h 
b/arch/arm/plat-omap/include/plat/board-ams-delta.h
index 1d0706e..004c827 100644
--- a/arch/arm/plat-omap/include/plat/board-ams-delta.h
+++ b/arch/arm/plat-omap/include/plat/board-ams-delta.h
@@ -28,8 +28,6 @@
 
 #if defined (CONFIG_MACH_AMS_DELTA)
 
-#define AMD_DELTA_LATCH2_KEYBRD_PWR    0x0100
-#define AMD_DELTA_LATCH2_KEYBRD_DATA   0x0200
 #define AMD_DELTA_LATCH2_SCARD_RSTIN   0x0400
 #define AMD_DELTA_LATCH2_SCARD_CMDVCC  0x0800
 
diff --git a/drivers/input/serio/ams_delta_serio.c 
b/drivers/input/serio/ams_delta_serio.c
index d4d08bd..1499c7d 100644
--- a/drivers/input/serio/ams_delta_serio.c
+++ b/drivers/input/serio/ams_delta_serio.c
@@ -92,8 +92,7 @@ static irqreturn_t ams_delta_serio_interrupt(int irq, void 
*dev_id)
 static int ams_delta_serio_open(struct serio *serio)
 {
        /* enable keyboard */
-       ams_delta_latch2_write(AMD_DELTA_LATCH2_KEYBRD_PWR,
-                       AMD_DELTA_LATCH2_KEYBRD_PWR);
+       gpio_set_value(AMS_DELTA_GPIO_PIN_KEYBRD_PWR, 1);
 
        return 0;
 }
@@ -101,9 +100,26 @@ static int ams_delta_serio_open(struct serio *serio)
 static void ams_delta_serio_close(struct serio *serio)
 {
        /* disable keyboard */
-       ams_delta_latch2_write(AMD_DELTA_LATCH2_KEYBRD_PWR, 0);
+       gpio_set_value(AMS_DELTA_GPIO_PIN_KEYBRD_PWR, 0);
 }
 
+static struct gpio _gpios[] __initconst_or_module = {
+       {
+               .gpio   = AMS_DELTA_GPIO_PIN_KEYBRD_DATA,
+               .flags  = GPIOF_DIR_IN,
+               .label  = "serio-data",
+       },
+       {
+               .gpio   = AMS_DELTA_GPIO_PIN_KEYBRD_CLK,
+               .flags  = GPIOF_DIR_IN,
+               .label  = "serio-clock",
+       },
+       {
+               .gpio   = AMS_DELTA_GPIO_PIN_KEYBRD_PWR,
+               .flags  = GPIOF_OUT_INIT_LOW,
+               .label  = "serio-power",
+       },
+};
 static int __init ams_delta_serio_init(void)
 {
        int err;
@@ -123,19 +139,11 @@ static int __init ams_delta_serio_init(void)
        strlcpy(ams_delta_serio->phys, "GPIO/serio0",
                        sizeof(ams_delta_serio->phys));
 
-       err = gpio_request(AMS_DELTA_GPIO_PIN_KEYBRD_DATA, "serio-data");
+       err = gpio_request_array(_gpios, ARRAY_SIZE(_gpios));
        if (err) {
-               pr_err("ams_delta_serio: Couldn't request gpio pin for data\n");
+               pr_err("ams_delta_serio: Couldn't request gpio pins\n");
                goto serio;
        }
-       gpio_direction_input(AMS_DELTA_GPIO_PIN_KEYBRD_DATA);
-
-       err = gpio_request(AMS_DELTA_GPIO_PIN_KEYBRD_CLK, "serio-clock");
-       if (err) {
-               pr_err("ams_delta_serio: couldn't request gpio pin for 
clock\n");
-               goto gpio_data;
-       }
-       gpio_direction_input(AMS_DELTA_GPIO_PIN_KEYBRD_CLK);
 
        err = request_irq(gpio_to_irq(AMS_DELTA_GPIO_PIN_KEYBRD_CLK),
                        ams_delta_serio_interrupt, IRQ_TYPE_EDGE_RISING,
@@ -143,7 +151,7 @@ static int __init ams_delta_serio_init(void)
        if (err < 0) {
                pr_err("ams_delta_serio: couldn't request gpio interrupt %d\n",
                                gpio_to_irq(AMS_DELTA_GPIO_PIN_KEYBRD_CLK));
-               goto gpio_clk;
+               goto gpio;
        }
        /*
         * Since GPIO register handling for keyboard clock pin is performed
@@ -157,10 +165,8 @@ static int __init ams_delta_serio_init(void)
        dev_info(&ams_delta_serio->dev, "%s\n", ams_delta_serio->name);
 
        return 0;
-gpio_clk:
-       gpio_free(AMS_DELTA_GPIO_PIN_KEYBRD_CLK);
-gpio_data:
-       gpio_free(AMS_DELTA_GPIO_PIN_KEYBRD_DATA);
+gpio:
+       gpio_free_array(_gpios, ARRAY_SIZE(_gpios));
 serio:
        kfree(ams_delta_serio);
        return err;
@@ -171,7 +177,6 @@ static void __exit ams_delta_serio_exit(void)
 {
        serio_unregister_port(ams_delta_serio);
        free_irq(OMAP_GPIO_IRQ(AMS_DELTA_GPIO_PIN_KEYBRD_CLK), 0);
-       gpio_free(AMS_DELTA_GPIO_PIN_KEYBRD_CLK);
-       gpio_free(AMS_DELTA_GPIO_PIN_KEYBRD_DATA);
+       gpio_free_array(_gpios, ARRAY_SIZE(_gpios));
 }
 module_exit(ams_delta_serio_exit);
-- 
1.7.3.4

--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to