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-rw-r--r--arch/arm/mach-mx2/mx27ads.c61
-rw-r--r--arch/arm/mach-mx2/pcm038.c35
-rw-r--r--arch/arm/plat-mxc/include/mach/iomux-mx1-mx2.h9
-rw-r--r--arch/arm/plat-mxc/iomux-mx1-mx2.c37
4 files changed, 62 insertions, 80 deletions
diff --git a/arch/arm/mach-mx2/mx27ads.c b/arch/arm/mach-mx2/mx27ads.c
index 56e22d3..a064976 100644
--- a/arch/arm/mach-mx2/mx27ads.c
+++ b/arch/arm/mach-mx2/mx27ads.c
@@ -68,15 +68,14 @@ static int mxc_uart0_pins[] = {
static int uart_mxc_port0_init(struct platform_device *pdev)
{
return mxc_gpio_setup_multiple_pins(mxc_uart0_pins,
- ARRAY_SIZE(mxc_uart0_pins),
- MXC_GPIO_ALLOC_MODE_NORMAL, "UART0");
+ ARRAY_SIZE(mxc_uart0_pins), "UART0");
}
static int uart_mxc_port0_exit(struct platform_device *pdev)
{
- return mxc_gpio_setup_multiple_pins(mxc_uart0_pins,
- ARRAY_SIZE(mxc_uart0_pins),
- MXC_GPIO_ALLOC_MODE_RELEASE, "UART0");
+ mxc_gpio_release_multiple_pins(mxc_uart0_pins,
+ ARRAY_SIZE(mxc_uart0_pins));
+ return 0;
}
static int mxc_uart1_pins[] = {
@@ -89,15 +88,14 @@ static int mxc_uart1_pins[] = {
static int uart_mxc_port1_init(struct platform_device *pdev)
{
return mxc_gpio_setup_multiple_pins(mxc_uart1_pins,
- ARRAY_SIZE(mxc_uart1_pins),
- MXC_GPIO_ALLOC_MODE_NORMAL, "UART1");
+ ARRAY_SIZE(mxc_uart1_pins), "UART1");
}
static int uart_mxc_port1_exit(struct platform_device *pdev)
{
- return mxc_gpio_setup_multiple_pins(mxc_uart1_pins,
- ARRAY_SIZE(mxc_uart1_pins),
- MXC_GPIO_ALLOC_MODE_RELEASE, "UART1");
+ mxc_gpio_setup_release_pins(mxc_uart1_pins,
+ ARRAY_SIZE(mxc_uart1_pins));
+ return 0;
}
static int mxc_uart2_pins[] = {
@@ -110,15 +108,14 @@ static int mxc_uart2_pins[] = {
static int uart_mxc_port2_init(struct platform_device *pdev)
{
return mxc_gpio_setup_multiple_pins(mxc_uart2_pins,
- ARRAY_SIZE(mxc_uart2_pins),
- MXC_GPIO_ALLOC_MODE_NORMAL, "UART2");
+ ARRAY_SIZE(mxc_uart2_pins), "UART2");
}
static int uart_mxc_port2_exit(struct platform_device *pdev)
{
- return mxc_gpio_setup_multiple_pins(mxc_uart2_pins,
- ARRAY_SIZE(mxc_uart2_pins),
- MXC_GPIO_ALLOC_MODE_RELEASE, "UART2");
+ mxc_gpio_release_multiple_pins(mxc_uart2_pins,
+ ARRAY_SIZE(mxc_uart2_pins));
+ return 0;
}
static int mxc_uart3_pins[] = {
@@ -131,15 +128,13 @@ static int mxc_uart3_pins[] = {
static int uart_mxc_port3_init(struct platform_device *pdev)
{
return mxc_gpio_setup_multiple_pins(mxc_uart3_pins,
- ARRAY_SIZE(mxc_uart3_pins),
- MXC_GPIO_ALLOC_MODE_NORMAL, "UART3");
+ ARRAY_SIZE(mxc_uart3_pins), "UART3");
}
static int uart_mxc_port3_exit(struct platform_device *pdev)
{
- return mxc_gpio_setup_multiple_pins(mxc_uart3_pins,
- ARRAY_SIZE(mxc_uart3_pins),
- MXC_GPIO_ALLOC_MODE_RELEASE, "UART3");
+ mxc_gpio_release_multiple_pins(mxc_uart3_pins,
+ ARRAY_SIZE(mxc_uart3_pins));
}
static int mxc_uart4_pins[] = {
@@ -152,15 +147,14 @@ static int mxc_uart4_pins[] = {
static int uart_mxc_port4_init(struct platform_device *pdev)
{
return mxc_gpio_setup_multiple_pins(mxc_uart4_pins,
- ARRAY_SIZE(mxc_uart4_pins),
- MXC_GPIO_ALLOC_MODE_NORMAL, "UART4");
+ ARRAY_SIZE(mxc_uart4_pins), "UART4");
}
static int uart_mxc_port4_exit(struct platform_device *pdev)
{
- return mxc_gpio_setup_multiple_pins(mxc_uart4_pins,
- ARRAY_SIZE(mxc_uart4_pins),
- MXC_GPIO_ALLOC_MODE_RELEASE, "UART4");
+ mxc_gpio_release_multiple_pins(mxc_uart4_pins,
+ ARRAY_SIZE(mxc_uart4_pins));
+ return 0;
}
static int mxc_uart5_pins[] = {
@@ -173,15 +167,14 @@ static int mxc_uart5_pins[] = {
static int uart_mxc_port5_init(struct platform_device *pdev)
{
return mxc_gpio_setup_multiple_pins(mxc_uart5_pins,
- ARRAY_SIZE(mxc_uart5_pins),
- MXC_GPIO_ALLOC_MODE_NORMAL, "UART5");
+ ARRAY_SIZE(mxc_uart5_pins), "UART5");
}
static int uart_mxc_port5_exit(struct platform_device *pdev)
{
- return mxc_gpio_setup_multiple_pins(mxc_uart5_pins,
- ARRAY_SIZE(mxc_uart5_pins),
- MXC_GPIO_ALLOC_MODE_RELEASE, "UART5");
+ mxc_gpio_release_multiple_pins(mxc_uart5_pins,
+ ARRAY_SIZE(mxc_uart5_pins));
+ return 0;
}
static struct platform_device *platform_devices[] __initdata = {
@@ -212,15 +205,13 @@ static int mxc_fec_pins[] = {
static void gpio_fec_active(void)
{
mxc_gpio_setup_multiple_pins(mxc_fec_pins,
- ARRAY_SIZE(mxc_fec_pins),
- MXC_GPIO_ALLOC_MODE_NORMAL, "FEC");
+ ARRAY_SIZE(mxc_fec_pins), "FEC");
}
static void gpio_fec_inactive(void)
{
- mxc_gpio_setup_multiple_pins(mxc_fec_pins,
- ARRAY_SIZE(mxc_fec_pins),
- MXC_GPIO_ALLOC_MODE_RELEASE, "FEC");
+ mxc_gpio_release_multiple_pins(mxc_fec_pins,
+ ARRAY_SIZE(mxc_fec_pins));
}
static struct imxuart_platform_data uart_pdata[] = {
diff --git a/arch/arm/mach-mx2/pcm038.c b/arch/arm/mach-mx2/pcm038.c
index ac516b1..91a1e4b 100644
--- a/arch/arm/mach-mx2/pcm038.c
+++ b/arch/arm/mach-mx2/pcm038.c
@@ -64,15 +64,14 @@ static int mxc_uart0_pins[] = {
static int uart_mxc_port0_init(struct platform_device *pdev)
{
return mxc_gpio_setup_multiple_pins(mxc_uart0_pins,
- ARRAY_SIZE(mxc_uart0_pins),
- MXC_GPIO_ALLOC_MODE_NORMAL, "UART0");
+ ARRAY_SIZE(mxc_uart0_pins), "UART0");
}
static int uart_mxc_port0_exit(struct platform_device *pdev)
{
- return mxc_gpio_setup_multiple_pins(mxc_uart0_pins,
- ARRAY_SIZE(mxc_uart0_pins),
- MXC_GPIO_ALLOC_MODE_RELEASE, "UART0");
+ mxc_gpio_release_multiple_pins(mxc_uart0_pins,
+ ARRAY_SIZE(mxc_uart0_pins));
+ return 0;
}
static int mxc_uart1_pins[] = {
@@ -85,15 +84,14 @@ static int mxc_uart1_pins[] = {
static int uart_mxc_port1_init(struct platform_device *pdev)
{
return mxc_gpio_setup_multiple_pins(mxc_uart1_pins,
- ARRAY_SIZE(mxc_uart1_pins),
- MXC_GPIO_ALLOC_MODE_NORMAL, "UART1");
+ ARRAY_SIZE(mxc_uart1_pins), "UART1");
}
static int uart_mxc_port1_exit(struct platform_device *pdev)
{
- return mxc_gpio_setup_multiple_pins(mxc_uart1_pins,
- ARRAY_SIZE(mxc_uart1_pins),
- MXC_GPIO_ALLOC_MODE_RELEASE, "UART1");
+ mxc_gpio_release_multiple_pins(mxc_uart1_pins,
+ ARRAY_SIZE(mxc_uart1_pins));
+ return 0;
}
static int mxc_uart2_pins[] = { PE10_PF_UART3_CTS,
@@ -104,15 +102,14 @@ static int mxc_uart2_pins[] = { PE10_PF_UART3_CTS,
static int uart_mxc_port2_init(struct platform_device *pdev)
{
return mxc_gpio_setup_multiple_pins(mxc_uart2_pins,
- ARRAY_SIZE(mxc_uart2_pins),
- MXC_GPIO_ALLOC_MODE_NORMAL, "UART2");
+ ARRAY_SIZE(mxc_uart2_pins), "UART2");
}
static int uart_mxc_port2_exit(struct platform_device *pdev)
{
- return mxc_gpio_setup_multiple_pins(mxc_uart2_pins,
- ARRAY_SIZE(mxc_uart2_pins),
- MXC_GPIO_ALLOC_MODE_RELEASE, "UART2");
+ mxc_gpio_release_multiple_pins(mxc_uart2_pins,
+ ARRAY_SIZE(mxc_uart2_pins));
+ return 0;
}
static struct imxuart_platform_data uart_pdata[] = {
@@ -155,15 +152,13 @@ static int mxc_fec_pins[] = {
static void gpio_fec_active(void)
{
mxc_gpio_setup_multiple_pins(mxc_fec_pins,
- ARRAY_SIZE(mxc_fec_pins),
- MXC_GPIO_ALLOC_MODE_NORMAL, "FEC");
+ ARRAY_SIZE(mxc_fec_pins), "FEC");
}
static void gpio_fec_inactive(void)
{
- mxc_gpio_setup_multiple_pins(mxc_fec_pins,
- ARRAY_SIZE(mxc_fec_pins),
- MXC_GPIO_ALLOC_MODE_RELEASE, "FEC");
+ mxc_gpio_release_multiple_pins(mxc_fec_pins,
+ ARRAY_SIZE(mxc_fec_pins));
}
static struct platform_device *platform_devices[] __initdata = {
diff --git a/arch/arm/plat-mxc/include/mach/iomux-mx1-mx2.h b/arch/arm/plat-mxc/include/mach/iomux-mx1-mx2.h
index f49d798..6c331c9 100644
--- a/arch/arm/plat-mxc/include/mach/iomux-mx1-mx2.h
+++ b/arch/arm/plat-mxc/include/mach/iomux-mx1-mx2.h
@@ -21,12 +21,6 @@
#include <linux/io.h>
-#define MXC_GPIO_ALLOC_MODE_NORMAL 0
-#define MXC_GPIO_ALLOC_MODE_NO_ALLOC 1
-#define MXC_GPIO_ALLOC_MODE_TRY_ALLOC 2
-#define MXC_GPIO_ALLOC_MODE_ALLOC_ONLY 4
-#define MXC_GPIO_ALLOC_MODE_RELEASE 8
-
/*
* GPIO Module and I/O Multiplexer
* x = 0..3 for reg_A, reg_B, reg_C, reg_D
@@ -103,7 +97,8 @@
extern void mxc_gpio_mode(int gpio_mode);
extern int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count,
- int alloc_mode, const char *label);
+ const char *label);
+extern void mxc_gpio_release_multiple_pins(const int *pin_list, int count);
/*-------------------------------------------------------------------------*/
diff --git a/arch/arm/plat-mxc/iomux-mx1-mx2.c b/arch/arm/plat-mxc/iomux-mx1-mx2.c
index d97387a..df6f183 100644
--- a/arch/arm/plat-mxc/iomux-mx1-mx2.c
+++ b/arch/arm/plat-mxc/iomux-mx1-mx2.c
@@ -110,12 +110,13 @@ void mxc_gpio_mode(int gpio_mode)
EXPORT_SYMBOL(mxc_gpio_mode);
int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count,
- int alloc_mode, const char *label)
+ const char *label)
{
const int *p = pin_list;
int i;
unsigned gpio;
unsigned mode;
+ int ret = -EINVAL;
for (i = 0; i < count; i++) {
gpio = *p & (GPIO_PIN_MASK | GPIO_PORT_MASK);
@@ -124,33 +125,33 @@ int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count,
if (gpio >= (GPIO_PORT_MAX + 1) * 32)
goto setup_error;
- if (alloc_mode & MXC_GPIO_ALLOC_MODE_RELEASE)
- gpio_free(gpio);
- else if (!(alloc_mode & MXC_GPIO_ALLOC_MODE_NO_ALLOC))
- if (gpio_request(gpio, label)
- && !(alloc_mode & MXC_GPIO_ALLOC_MODE_TRY_ALLOC))
- goto setup_error;
+ ret = gpio_request(gpio, label);
+ if (ret)
+ goto setup_error;
- if (!(alloc_mode & (MXC_GPIO_ALLOC_MODE_ALLOC_ONLY |
- MXC_GPIO_ALLOC_MODE_RELEASE)))
- mxc_gpio_mode(gpio | mode);
+ mxc_gpio_mode(gpio | mode);
p++;
}
return 0;
setup_error:
- if (alloc_mode & (MXC_GPIO_ALLOC_MODE_NO_ALLOC |
- MXC_GPIO_ALLOC_MODE_TRY_ALLOC))
- return -EINVAL;
+ mxc_gpio_release_multiple_pins(pin_list, i);
+ return ret;
+}
+EXPORT_SYMBOL(mxc_gpio_setup_multiple_pins);
- while (p != pin_list) {
- p--;
- gpio = *p & (GPIO_PIN_MASK | GPIO_PORT_MASK);
+void mxc_gpio_release_multiple_pins(const int *pin_list, int count)
+{
+ const int *p = pin_list;
+ int i;
+
+ for (i = 0; i < count; i++) {
+ unsigned gpio = *p & (GPIO_PIN_MASK | GPIO_PORT_MASK);
gpio_free(gpio);
+ p++;
}
- return -EINVAL;
}
-EXPORT_SYMBOL(mxc_gpio_setup_multiple_pins);
+EXPORT_SYMBOL(mxc_gpio_release_multiple_pins);
generated by cgit v0.10.2 at 2024-11-10 16:41:50 (GMT)