8 files changed, 81 insertions, 32 deletions

diff --git a/arch/avr32/boards/atstk1000/atstk1002.c b/arch/avr32/boards/atstk1000/atstk1002.c
index 14dc5a143695..8538ba75ef92 100644
--- a/arch/avr32/boards/atstk1000/atstk1002.c
+++ b/arch/avr32/boards/atstk1000/atstk1002.c
@@ -21,6 +21,8 @@
 
 #include <asm/io.h>
 #include <asm/setup.h>
+#include <asm/atmel-mci.h>
+
 #include <asm/arch/at32ap700x.h>
 #include <asm/arch/board.h>
 #include <asm/arch/init.h>
@@ -260,6 +262,21 @@ void __init setup_board(void)
         at32_setup_serial_console(0);
 }
 
+#ifndef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
+
+/* MMC card detect requires MACB0 *NOT* be used */
+#ifdef CONFIG_BOARD_ATSTK1002_SW6_CUSTOM
+static struct mci_platform_data __initdata mci0_data = {
+        .detect_pin     = GPIO_PIN_PC(14),      /* gpio30/sdcd */
+        .wp_pin         = GPIO_PIN_PC(15),      /* gpio31/sdwp */
+};
+#define MCI_PDATA       &mci0_data
+#else
+#define MCI_PDATA       NULL
+#endif  /* SW6 for sd{cd,wp} routing */
+
+#endif  /* SW2 for MMC signal routing */
+
 static int __init atstk1002_init(void)
 {
         /*
@@ -309,7 +326,7 @@ static int __init atstk1002_init(void)
         at32_add_device_spi(1, spi1_board_info, ARRAY_SIZE(spi1_board_info));
 #endif
 #ifndef CONFIG_BOARD_ATSTK1002_SW2_CUSTOM
-        at32_add_device_mci(0, NULL);
+        at32_add_device_mci(0, MCI_PDATA);
 #endif
 #ifdef CONFIG_BOARD_ATSTK1002_SW5_CUSTOM
         set_hw_addr(at32_add_device_eth(1, &eth_data[1]));
diff --git a/arch/avr32/boards/atstk1000/atstk1003.c b/arch/avr32/boards/atstk1000/atstk1003.c
index ea109f435a83..591fc73b554a 100644
--- a/arch/avr32/boards/atstk1000/atstk1003.c
+++ b/arch/avr32/boards/atstk1000/atstk1003.c
@@ -154,7 +154,7 @@ static int __init atstk1003_init(void)
         at32_add_device_spi(1, spi1_board_info, ARRAY_SIZE(spi1_board_info));
 #endif
 #ifndef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
-        at32_add_device_mci(0);
+        at32_add_device_mci(0, NULL);
 #endif
         at32_add_device_usba(0, NULL);
 #ifndef CONFIG_BOARD_ATSTK100X_SW3_CUSTOM
diff --git a/arch/avr32/boards/atstk1000/atstk1004.c b/arch/avr32/boards/atstk1000/atstk1004.c
index c7236df74d74..d9c5e0a21256 100644
--- a/arch/avr32/boards/atstk1000/atstk1004.c
+++ b/arch/avr32/boards/atstk1000/atstk1004.c
@@ -137,7 +137,7 @@ static int __init atstk1004_init(void)
         at32_add_device_spi(1, spi1_board_info, ARRAY_SIZE(spi1_board_info));
 #endif
 #ifndef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
-        at32_add_device_mci(0);
+        at32_add_device_mci(0, NULL);
 #endif
         at32_add_device_lcdc(0, &atstk1000_lcdc_data,
                              fbmem_start, fbmem_size, 0);
diff --git a/arch/avr32/kernel/time.c b/arch/avr32/kernel/time.c
index abd954fb7ba0..7e7f32771ae1 100644
--- a/arch/avr32/kernel/time.c
+++ b/arch/avr32/kernel/time.c
@@ -43,6 +43,9 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
 {
         struct clock_event_device *evdev = dev_id;
 
+        if (unlikely(!(intc_get_pending(0) & 1)))
+                return IRQ_NONE;
+
         /*
          * Disable the interrupt until the clockevent subsystem
          * reprograms it.
@@ -55,7 +58,8 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
 
 static struct irqaction timer_irqaction = {
         .handler        = timer_interrupt,
-        .flags          = IRQF_TIMER | IRQF_DISABLED,
+        /* Oprofile uses the same irq as the timer, so allow it to be shared */
+        .flags          = IRQF_TIMER | IRQF_DISABLED | IRQF_SHARED,
         .name           = "avr32_comparator",
 };
 
diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c
index 351e1b42f937..1617048c86c5 100644
--- a/arch/avr32/mach-at32ap/at32ap700x.c
+++ b/arch/avr32/mach-at32ap/at32ap700x.c
@@ -12,6 +12,7 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
+#include <linux/gpio.h>
 #include <linux/spi/spi.h>
 #include <linux/usb/atmel_usba_udc.h>
 
@@ -1285,7 +1286,6 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
 {
         struct mci_platform_data        _data;
         struct platform_device          *pdev;
-        struct dw_dma_slave             *dws;
 
         if (id != 0)
                 return NULL;
@@ -1300,7 +1300,9 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
 
         if (!data) {
                 data = &_data;
-                memset(data, 0, sizeof(struct mci_platform_data));
+                memset(data, -1, sizeof(struct mci_platform_data));
+                data->detect_pin = GPIO_PIN_NONE;
+                data->wp_pin = GPIO_PIN_NONE;
         }
 
         if (platform_device_add_data(pdev, data,
@@ -1314,12 +1316,10 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
         select_peripheral(PA(14), PERIPH_A, 0); /* DATA2 */
         select_peripheral(PA(15), PERIPH_A, 0); /* DATA3 */
 
-        if (data) {
-                if (data->detect_pin != GPIO_PIN_NONE)
-                        at32_select_gpio(data->detect_pin, 0);
-                if (data->wp_pin != GPIO_PIN_NONE)
-                        at32_select_gpio(data->wp_pin, 0);
-        }
+        if (gpio_is_valid(data->detect_pin))
+                at32_select_gpio(data->detect_pin, 0);
+        if (gpio_is_valid(data->wp_pin))
+                at32_select_gpio(data->wp_pin, 0);
 
         atmel_mci0_pclk.dev = &pdev->dev;
 
@@ -1853,11 +1853,11 @@ at32_add_device_cf(unsigned int id, unsigned int extint,
         if (at32_init_ide_or_cf(pdev, data->cs, extint))
                 goto fail;
 
-        if (data->detect_pin != GPIO_PIN_NONE)
+        if (gpio_is_valid(data->detect_pin))
                 at32_select_gpio(data->detect_pin, AT32_GPIOF_DEGLITCH);
-        if (data->reset_pin != GPIO_PIN_NONE)
+        if (gpio_is_valid(data->reset_pin))
                 at32_select_gpio(data->reset_pin, 0);
-        if (data->vcc_pin != GPIO_PIN_NONE)
+        if (gpio_is_valid(data->vcc_pin))
                 at32_select_gpio(data->vcc_pin, 0);
         /* READY is used as extint, so we can't select it as gpio */
 
@@ -1937,9 +1937,11 @@ static struct clk atmel_ac97c0_pclk = {
         .index          = 10,
 };
 
-struct platform_device *__init at32_add_device_ac97c(unsigned int id)
+struct platform_device *__init
+at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data)
 {
         struct platform_device *pdev;
+        struct ac97c_platform_data _data;
 
         if (id != 0)
                 return NULL;
@@ -1950,19 +1952,37 @@ struct platform_device *__init at32_add_device_ac97c(unsigned int id)
 
         if (platform_device_add_resources(pdev, atmel_ac97c0_resource,
                                 ARRAY_SIZE(atmel_ac97c0_resource)))
-                goto err_add_resources;
+                goto fail;
+
+        if (!data) {
+                data = &_data;
+                memset(data, 0, sizeof(struct ac97c_platform_data));
+                data->reset_pin = GPIO_PIN_NONE;
+        }
 
-        select_peripheral(PB(20), PERIPH_B, 0); /* SYNC */
-        select_peripheral(PB(21), PERIPH_B, 0); /* SDO  */
-        select_peripheral(PB(22), PERIPH_B, 0); /* SDI  */
-        select_peripheral(PB(23), PERIPH_B, 0); /* SCLK */
+        data->dma_rx_periph_id = 3;
+        data->dma_tx_periph_id = 4;
+        data->dma_controller_id = 0;
+
+        if (platform_device_add_data(pdev, data,
+                                sizeof(struct ac97c_platform_data)))
+                goto fail;
+
+        select_peripheral(PB(20), PERIPH_B, 0); /* SDO  */
+        select_peripheral(PB(21), PERIPH_B, 0); /* SYNC */
+        select_peripheral(PB(22), PERIPH_B, 0); /* SCLK */
+        select_peripheral(PB(23), PERIPH_B, 0); /* SDI  */
+
+        /* TODO: gpio_is_valid(data->reset_pin) with kernel 2.6.26. */
+        if (data->reset_pin != GPIO_PIN_NONE)
+                at32_select_gpio(data->reset_pin, 0);
 
         atmel_ac97c0_pclk.dev = &pdev->dev;
 
         platform_device_add(pdev);
         return pdev;
 
-err_add_resources:
+fail:
         platform_device_put(pdev);
         return NULL;
 }
diff --git a/drivers/misc/atmel-ssc.c b/drivers/misc/atmel-ssc.c
index e171650766ce..bf5e4d065436 100644
--- a/drivers/misc/atmel-ssc.c
+++ b/drivers/misc/atmel-ssc.c
@@ -13,7 +13,6 @@
 #include <linux/clk.h>
 #include <linux/err.h>
 #include <linux/io.h>
-#include <linux/list.h>
 #include <linux/spinlock.h>
 #include <linux/atmel-ssc.h>
 
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index b68381f7bfdd..992b4beb757c 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -11,6 +11,8 @@
 #include <linux/clk.h>
 #include <linux/debugfs.h>
 #include <linux/device.h>
+#include <linux/err.h>
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/ioport.h>
@@ -27,7 +29,6 @@
 #include <asm/unaligned.h>
 
 #include <asm/arch/board.h>
-#include <asm/arch/gpio.h>
 
 #include "atmel-mci-regs.h"
 
@@ -573,7 +574,7 @@ static int atmci_get_ro(struct mmc_host *mmc)
         int                     read_only = 0;
         struct atmel_mci        *host = mmc_priv(mmc);
 
-        if (host->wp_pin >= 0) {
+        if (gpio_is_valid(host->wp_pin)) {
                 read_only = gpio_get_value(host->wp_pin);
                 dev_dbg(&mmc->class_dev, "card is %s\n",
                                 read_only ? "read-only" : "read-write");
@@ -635,7 +636,7 @@ static void atmci_detect_change(unsigned long data)
          * been freed.
          */
         smp_rmb();
-        if (host->detect_pin < 0)
+        if (!gpio_is_valid(host->detect_pin))
                 return;
 
         enable_irq(gpio_to_irq(host->detect_pin));
@@ -1050,7 +1051,7 @@ static int __init atmci_probe(struct platform_device *pdev)
 
         /* Assume card is present if we don't have a detect pin */
         host->present = 1;
-        if (host->detect_pin >= 0) {
+        if (gpio_is_valid(host->detect_pin)) {
                 if (gpio_request(host->detect_pin, "mmc_detect")) {
                         dev_dbg(&mmc->class_dev, "no detect pin available\n");
                         host->detect_pin = -1;
@@ -1058,7 +1059,7 @@ static int __init atmci_probe(struct platform_device *pdev)
                         host->present = !gpio_get_value(host->detect_pin);
                 }
         }
-        if (host->wp_pin >= 0) {
+        if (gpio_is_valid(host->wp_pin)) {
                 if (gpio_request(host->wp_pin, "mmc_wp")) {
                         dev_dbg(&mmc->class_dev, "no WP pin available\n");
                         host->wp_pin = -1;
@@ -1069,7 +1070,7 @@ static int __init atmci_probe(struct platform_device *pdev)
 
         mmc_add_host(mmc);
 
-        if (host->detect_pin >= 0) {
+        if (gpio_is_valid(host->detect_pin)) {
                 setup_timer(&host->detect_timer, atmci_detect_change,
                                 (unsigned long)host);
 
@@ -1112,7 +1113,7 @@ static int __exit atmci_remove(struct platform_device *pdev)
         if (host) {
                 /* Debugfs stuff is cleaned up by mmc core */
 
-                if (host->detect_pin >= 0) {
+                if (gpio_is_valid(host->detect_pin)) {
                         int pin = host->detect_pin;
 
                         /* Make sure the timer doesn't enable the interrupt */
@@ -1132,7 +1133,7 @@ static int __exit atmci_remove(struct platform_device *pdev)
                 mci_readl(host, SR);
                 clk_disable(host->mck);
 
-                if (host->wp_pin >= 0)
+                if (gpio_is_valid(host->wp_pin))
                         gpio_free(host->wp_pin);
 
                 free_irq(platform_get_irq(pdev, 0), host->mmc);
diff --git a/include/asm-avr32/arch-at32ap/board.h b/include/asm-avr32/arch-at32ap/board.h
index 893aa6d0cd11..e60e9076544d 100644
--- a/include/asm-avr32/arch-at32ap/board.h
+++ b/include/asm-avr32/arch-at32ap/board.h
@@ -82,7 +82,15 @@ struct mci_platform_data;
 struct platform_device *
 at32_add_device_mci(unsigned int id, struct mci_platform_data *data);
 
-struct platform_device *at32_add_device_ac97c(unsigned int id);
+struct ac97c_platform_data {
+        unsigned short dma_rx_periph_id;
+        unsigned short dma_tx_periph_id;
+        unsigned short dma_controller_id;
+        int reset_pin;
+};
+struct platform_device *
+at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data);
+
 struct platform_device *at32_add_device_abdac(unsigned int id);
 struct platform_device *at32_add_device_psif(unsigned int id);