mx31: calls to gpio_request moved into platform code

In order to use the gpiolib, we now have to call gpio_request in
the plaform code since it is not done in iomux code anymore.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

6 files changed, 129 insertions, 13 deletions

diff --git a/arch/arm/mach-mx3/mx31ads.c b/arch/arm/mach-mx3/mx31ads.c
index db2e06a8123..30e2767a78a 100644
--- a/arch/arm/mach-mx3/mx31ads.c
+++ b/arch/arm/mach-mx3/mx31ads.c
@@ -187,7 +187,7 @@ static void __init mx31ads_init_expio(void)
 	/*
 	 * Configure INT line as GPIO input
 	 */
-	mxc_iomux_setup_pin(IOMUX_MODE(MX31_PIN_GPIO1_4, IOMUX_CONFIG_GPIO), "expio");
+	mxc_iomux_alloc_pin(IOMUX_MODE(MX31_PIN_GPIO1_4, IOMUX_CONFIG_GPIO), "expio");
 
 	/* disable the interrupt and clear the status */
 	__raw_writew(0xFFFF, PBC_INTMASK_CLEAR_REG);
diff --git a/arch/arm/mach-mx3/mx31lite.c b/arch/arm/mach-mx3/mx31lite.c
index 74734e50de2..e7092291316 100644
--- a/arch/arm/mach-mx3/mx31lite.c
+++ b/arch/arm/mach-mx3/mx31lite.c
@@ -118,14 +118,21 @@ void __init mx31lite_map_io(void)
  */
 static void __init mxc_board_init(void)
 {
+	int ret;
+
 	mxc_iomux_setup_multiple_pins(mx31lite_pins, ARRAY_SIZE(mx31lite_pins),
 				      "mx31lite");
 
 	mxc_register_device(&mxc_uart_device0, &uart_pdata);
 
 	/* SMSC9117 IRQ pin */
-	gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_SFS6));
-	platform_device_register(&smsc911x_device);
+	ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_SFS6), "sms9117-irq");
+	if (ret)
+		pr_warning("could not get LAN irq gpio\n");
+	else {
+		gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_SFS6));
+		platform_device_register(&smsc911x_device);
+	}
 }
 
 static void __init mx31lite_timer_init(void)
diff --git a/arch/arm/mach-mx3/mx31moboard-devboard.c b/arch/arm/mach-mx3/mx31moboard-devboard.c
index 0a69a4f212a..b3e8f251ac7 100644
--- a/arch/arm/mach-mx3/mx31moboard-devboard.c
+++ b/arch/arm/mach-mx3/mx31moboard-devboard.c
@@ -56,14 +56,40 @@ static int devboard_sdhc2_get_ro(struct device *dev)
 static int devboard_sdhc2_init(struct device *dev, irq_handler_t detect_irq,
 		void *data)
 {
-	return request_irq(gpio_to_irq(SDHC2_CD), detect_irq,
+	int ret;
+
+	ret = gpio_request(SDHC2_CD, "sdhc-detect");
+	if (ret)
+		return ret;
+
+	gpio_direction_input(SDHC2_CD);
+
+	ret = gpio_request(SDHC2_WP, "sdhc-wp");
+	if (ret)
+		goto err_gpio_free;
+	gpio_direction_input(SDHC2_WP);
+
+	ret = request_irq(gpio_to_irq(SDHC2_CD), detect_irq,
 		IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 		"sdhc2-card-detect", data);
+	if (ret)
+		goto err_gpio_free_2;
+
+	return 0;
+
+err_gpio_free_2:
+	gpio_free(SDHC2_WP);
+err_gpio_free:
+	gpio_free(SDHC2_CD);
+
+	return ret;
 }
 
 static void devboard_sdhc2_exit(struct device *dev, void *data)
 {
 	free_irq(gpio_to_irq(SDHC2_CD), data);
+	gpio_free(SDHC2_WP);
+	gpio_free(SDHC2_CD);
 }
 
 static struct imxmmc_platform_data sdhc2_pdata = {
diff --git a/arch/arm/mach-mx3/mx31moboard-marxbot.c b/arch/arm/mach-mx3/mx31moboard-marxbot.c
index 4fc271145b0..53ce7ff0637 100644
--- a/arch/arm/mach-mx3/mx31moboard-marxbot.c
+++ b/arch/arm/mach-mx3/mx31moboard-marxbot.c
@@ -60,14 +60,40 @@ static int marxbot_sdhc2_get_ro(struct device *dev)
 static int marxbot_sdhc2_init(struct device *dev, irq_handler_t detect_irq,
 		void *data)
 {
-	return request_irq(gpio_to_irq(SDHC2_CD), detect_irq,
+	int ret;
+
+	ret = gpio_request(SDHC2_CD, "sdhc-detect");
+	if (ret)
+		return ret;
+
+	gpio_direction_input(SDHC2_CD);
+
+	ret = gpio_request(SDHC2_WP, "sdhc-wp");
+	if (ret)
+		goto err_gpio_free;
+	gpio_direction_input(SDHC2_WP);
+
+	ret = request_irq(gpio_to_irq(SDHC2_CD), detect_irq,
 		IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 		"sdhc2-card-detect", data);
+	if (ret)
+		goto err_gpio_free_2;
+
+	return 0;
+
+err_gpio_free_2:
+	gpio_free(SDHC2_WP);
+err_gpio_free:
+	gpio_free(SDHC2_CD);
+
+	return ret;
 }
 
 static void marxbot_sdhc2_exit(struct device *dev, void *data)
 {
 	free_irq(gpio_to_irq(SDHC2_CD), data);
+	gpio_free(SDHC2_WP);
+	gpio_free(SDHC2_CD);
 }
 
 static struct imxmmc_platform_data sdhc2_pdata = {
diff --git a/arch/arm/mach-mx3/mx31moboard.c b/arch/arm/mach-mx3/mx31moboard.c
index 2cca3f2e72b..0df6ac610b6 100644
--- a/arch/arm/mach-mx3/mx31moboard.c
+++ b/arch/arm/mach-mx3/mx31moboard.c
@@ -112,14 +112,40 @@ static int moboard_sdhc1_get_ro(struct device *dev)
 static int moboard_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
 		void *data)
 {
-	return request_irq(gpio_to_irq(SDHC1_CD), detect_irq,
+	int ret;
+
+	ret = gpio_request(SDHC1_CD, "sdhc-detect");
+	if (ret)
+		return ret;
+
+	gpio_direction_input(SDHC1_CD);
+
+	ret = gpio_request(SDHC1_WP, "sdhc-wp");
+	if (ret)
+		goto err_gpio_free;
+	gpio_direction_input(SDHC1_WP);
+
+	ret = request_irq(gpio_to_irq(SDHC1_CD), detect_irq,
 		IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 		"sdhc1-card-detect", data);
+	if (ret)
+		goto err_gpio_free_2;
+
+	return 0;
+
+err_gpio_free_2:
+	gpio_free(SDHC1_WP);
+err_gpio_free:
+	gpio_free(SDHC1_CD);
+
+	return ret;
 }
 
 static void moboard_sdhc1_exit(struct device *dev, void *data)
 {
 	free_irq(gpio_to_irq(SDHC1_CD), data);
+	gpio_free(SDHC1_WP);
+	gpio_free(SDHC1_CD);
 }
 
 static struct imxmmc_platform_data sdhc1_pdata = {
diff --git a/arch/arm/mach-mx3/pcm037.c b/arch/arm/mach-mx3/pcm037.c
index 350cff5cc48..c6f61a1f06c 100644
--- a/arch/arm/mach-mx3/pcm037.c
+++ b/arch/arm/mach-mx3/pcm037.c
@@ -280,27 +280,50 @@ static int pcm970_sdhc1_get_ro(struct device *dev)
 }
 #endif
 
+#define SDHC1_GPIO_WP	IOMUX_TO_GPIO(MX31_PIN_SFS6)
+#define SDHC1_GPIO_DET	IOMUX_TO_GPIO(MX31_PIN_SCK6)
+
 static int pcm970_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
 		void *data)
 {
 	int ret;
-	int gpio_det, gpio_wp;
 
-	gpio_det = IOMUX_TO_GPIO(MX31_PIN_SCK6);
-	gpio_wp = IOMUX_TO_GPIO(MX31_PIN_SFS6);
+	ret = gpio_request(SDHC1_GPIO_DET, "sdhc-detect");
+	if (ret)
+		return ret;
+
+	gpio_direction_input(SDHC1_GPIO_DET);
 
-	gpio_direction_input(gpio_det);
-	gpio_direction_input(gpio_wp);
+#ifdef PCM970_SDHC_RW_SWITCH
+	ret = gpio_request(SDHC1_GPIO_WP, "sdhc-wp");
+	if (ret)
+		goto err_gpio_free;
+	gpio_direction_input(SDHC1_GPIO_WP);
+#endif
 
 	ret = request_irq(IOMUX_TO_IRQ(MX31_PIN_SCK6), detect_irq,
 			IRQF_DISABLED | IRQF_TRIGGER_FALLING,
 				"sdhc-detect", data);
+	if (ret)
+		goto err_gpio_free_2;
+
+	return 0;
+
+err_gpio_free_2:
+#ifdef PCM970_SDHC_RW_SWITCH
+	gpio_free(SDHC1_GPIO_WP);
+err_gpio_free:
+#endif
+	gpio_free(SDHC1_GPIO_DET);
+
 	return ret;
 }
 
 static void pcm970_sdhc1_exit(struct device *dev, void *data)
 {
 	free_irq(IOMUX_TO_IRQ(MX31_PIN_SCK6), data);
+	gpio_free(SDHC1_GPIO_DET);
+	gpio_free(SDHC1_GPIO_WP);
 }
 
 static struct imxmmc_platform_data sdhc_pdata = {
@@ -313,7 +336,6 @@ static struct imxmmc_platform_data sdhc_pdata = {
 
 static struct platform_device *devices[] __initdata = {
 	&pcm037_flash,
-	&pcm037_eth,
 	&pcm037_sram_device,
 };
 
@@ -370,6 +392,8 @@ static struct mx3fb_platform_data mx3fb_pdata = {
  */
 static void __init mxc_board_init(void)
 {
+	int ret;
+
 	mxc_iomux_setup_multiple_pins(pcm037_pins, ARRAY_SIZE(pcm037_pins),
 			"pcm037");
 
@@ -382,7 +406,14 @@ static void __init mxc_board_init(void)
 	mxc_register_device(&mxc_w1_master_device, NULL);
 
 	/* LAN9217 IRQ pin */
-	gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1));
+	ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1), "lan9217-irq");
+	if (ret)
+		pr_warning("could not get LAN irq gpio\n");
+	else {
+		gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1));
+		platform_device_register(&pcm037_eth);
+	}
+
 
 #ifdef CONFIG_I2C_IMX
 	i2c_register_board_info(1, pcm037_i2c_devices,