Merge branch 'fb' into devel

[pandora-kernel.git] / drivers / spi / pxa2xx_spi.c

diff --git a/drivers/spi/pxa2xx_spi.c b/drivers/spi/pxa2xx_spi.c
index 59deed7..0c452c4 100644 (file)
--- a/drivers/spi/pxa2xx_spi.c
+++ b/drivers/spi/pxa2xx_spi.c
@@ -44,6 +44,7 @@
 MODULE_AUTHOR("Stephen Street");
 MODULE_DESCRIPTION("PXA2xx SSP SPI Controller");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:pxa2xx-spi");
 
 #define MAX_BUSES 3
 
@@ -66,8 +67,11 @@ MODULE_LICENSE("GPL");
                                | SSCR1_SPH | SSCR1_SPO | SSCR1_LBM)
 
 #define DEFINE_SSP_REG(reg, off) \
-static inline u32 read_##reg(void *p) { return __raw_readl(p + (off)); } \
-static inline void write_##reg(u32 v, void *p) { __raw_writel(v, p + (off)); }
+static inline u32 read_##reg(void const __iomem *p) \
+{ return __raw_readl(p + (off)); } \
+\
+static inline void write_##reg(u32 v, void __iomem *p) \
+{ __raw_writel(v, p + (off)); }
 
 DEFINE_SSP_REG(SSCR0, 0x00)
 DEFINE_SSP_REG(SSCR1, 0x04)
@@ -105,7 +109,7 @@ struct driver_data {
        u32 *null_dma_buf;
 
        /* SSP register addresses */
-       void *ioaddr;
+       void __iomem *ioaddr;
        u32 ssdr_physical;
 
        /* SSP masks*/
@@ -172,7 +176,7 @@ static int flush(struct driver_data *drv_data)
 {
        unsigned long limit = loops_per_jiffy << 1;
 
-       void *reg = drv_data->ioaddr;
+       void __iomem *reg = drv_data->ioaddr;
 
        do {
                while (read_SSSR(reg) & SSSR_RNE) {
@@ -190,7 +194,7 @@ static void null_cs_control(u32 command)
 
 static int null_writer(struct driver_data *drv_data)
 {
-       void *reg = drv_data->ioaddr;
+       void __iomem *reg = drv_data->ioaddr;
        u8 n_bytes = drv_data->n_bytes;
 
        if (((read_SSSR(reg) & 0x00000f00) == 0x00000f00)
@@ -205,7 +209,7 @@ static int null_writer(struct driver_data *drv_data)
 
 static int null_reader(struct driver_data *drv_data)
 {
-       void *reg = drv_data->ioaddr;
+       void __iomem *reg = drv_data->ioaddr;
        u8 n_bytes = drv_data->n_bytes;
 
        while ((read_SSSR(reg) & SSSR_RNE)
@@ -219,7 +223,7 @@ static int null_reader(struct driver_data *drv_data)
 
 static int u8_writer(struct driver_data *drv_data)
 {
-       void *reg = drv_data->ioaddr;
+       void __iomem *reg = drv_data->ioaddr;
 
        if (((read_SSSR(reg) & 0x00000f00) == 0x00000f00)
                || (drv_data->tx == drv_data->tx_end))
@@ -233,7 +237,7 @@ static int u8_writer(struct driver_data *drv_data)
 
 static int u8_reader(struct driver_data *drv_data)
 {
-       void *reg = drv_data->ioaddr;
+       void __iomem *reg = drv_data->ioaddr;
 
        while ((read_SSSR(reg) & SSSR_RNE)
                && (drv_data->rx < drv_data->rx_end)) {
@@ -246,7 +250,7 @@ static int u8_reader(struct driver_data *drv_data)
 
 static int u16_writer(struct driver_data *drv_data)
 {
-       void *reg = drv_data->ioaddr;
+       void __iomem *reg = drv_data->ioaddr;
 
        if (((read_SSSR(reg) & 0x00000f00) == 0x00000f00)
                || (drv_data->tx == drv_data->tx_end))
@@ -260,7 +264,7 @@ static int u16_writer(struct driver_data *drv_data)
 
 static int u16_reader(struct driver_data *drv_data)
 {
-       void *reg = drv_data->ioaddr;
+       void __iomem *reg = drv_data->ioaddr;
 
        while ((read_SSSR(reg) & SSSR_RNE)
                && (drv_data->rx < drv_data->rx_end)) {
@@ -273,7 +277,7 @@ static int u16_reader(struct driver_data *drv_data)
 
 static int u32_writer(struct driver_data *drv_data)
 {
-       void *reg = drv_data->ioaddr;
+       void __iomem *reg = drv_data->ioaddr;
 
        if (((read_SSSR(reg) & 0x00000f00) == 0x00000f00)
                || (drv_data->tx == drv_data->tx_end))
@@ -287,7 +291,7 @@ static int u32_writer(struct driver_data *drv_data)
 
 static int u32_reader(struct driver_data *drv_data)
 {
-       void *reg = drv_data->ioaddr;
+       void __iomem *reg = drv_data->ioaddr;
 
        while ((read_SSSR(reg) & SSSR_RNE)
                && (drv_data->rx < drv_data->rx_end)) {
@@ -411,7 +415,7 @@ static void giveback(struct driver_data *drv_data)
                msg->complete(msg->context);
 }
 
-static int wait_ssp_rx_stall(void *ioaddr)
+static int wait_ssp_rx_stall(void const __iomem *ioaddr)
 {
        unsigned long limit = loops_per_jiffy << 1;
 
@@ -431,9 +435,9 @@ static int wait_dma_channel_stop(int channel)
        return limit;
 }
 
-void dma_error_stop(struct driver_data *drv_data, const char *msg)
+static void dma_error_stop(struct driver_data *drv_data, const char *msg)
 {
-       void *reg = drv_data->ioaddr;
+       void __iomem *reg = drv_data->ioaddr;
 
        /* Stop and reset */
        DCSR(drv_data->rx_channel) = RESET_DMA_CHANNEL;
@@ -455,7 +459,7 @@ void dma_error_stop(struct driver_data *drv_data, const char *msg)
 
 static void dma_transfer_complete(struct driver_data *drv_data)
 {
-       void *reg = drv_data->ioaddr;
+       void __iomem *reg = drv_data->ioaddr;
        struct spi_message *msg = drv_data->cur_msg;
 
        /* Clear and disable interrupts on SSP and DMA channels*/
@@ -535,7 +539,7 @@ static void dma_handler(int channel, void *data)
 static irqreturn_t dma_transfer(struct driver_data *drv_data)
 {
        u32 irq_status;
-       void *reg = drv_data->ioaddr;
+       void __iomem *reg = drv_data->ioaddr;
 
        irq_status = read_SSSR(reg) & drv_data->mask_sr;
        if (irq_status & SSSR_ROR) {
@@ -569,7 +573,7 @@ static irqreturn_t dma_transfer(struct driver_data *drv_data)
 
 static void int_error_stop(struct driver_data *drv_data, const char* msg)
 {
-       void *reg = drv_data->ioaddr;
+       void __iomem *reg = drv_data->ioaddr;
 
        /* Stop and reset SSP */
        write_SSSR(drv_data->clear_sr, reg);
@@ -587,7 +591,7 @@ static void int_error_stop(struct driver_data *drv_data, const char* msg)
 
 static void int_transfer_complete(struct driver_data *drv_data)
 {
-       void *reg = drv_data->ioaddr;
+       void __iomem *reg = drv_data->ioaddr;
 
        /* Stop SSP */
        write_SSSR(drv_data->clear_sr, reg);
@@ -613,7 +617,7 @@ static void int_transfer_complete(struct driver_data *drv_data)
 
 static irqreturn_t interrupt_transfer(struct driver_data *drv_data)
 {
-       void *reg = drv_data->ioaddr;
+       void __iomem *reg = drv_data->ioaddr;
 
        u32 irq_mask = (read_SSCR1(reg) & SSCR1_TIE) ?
                        drv_data->mask_sr : drv_data->mask_sr & ~SSSR_TFS;
@@ -674,7 +678,7 @@ static irqreturn_t interrupt_transfer(struct driver_data *drv_data)
 static irqreturn_t ssp_int(int irq, void *dev_id)
 {
        struct driver_data *drv_data = dev_id;
-       void *reg = drv_data->ioaddr;
+       void __iomem *reg = drv_data->ioaddr;
 
        if (!drv_data->cur_msg) {
 
@@ -694,7 +698,8 @@ static irqreturn_t ssp_int(int irq, void *dev_id)
        return drv_data->transfer_handler(drv_data);
 }
 
-int set_dma_burst_and_threshold(struct chip_data *chip, struct spi_device *spi,
+static int set_dma_burst_and_threshold(struct chip_data *chip,
+                               struct spi_device *spi,
                                u8 bits_per_word, u32 *burst_code,
                                u32 *threshold)
 {
@@ -808,7 +813,7 @@ static void pump_transfers(unsigned long data)
        struct spi_transfer *previous = NULL;
        struct chip_data *chip = NULL;
        struct ssp_device *ssp = drv_data->ssp;
-       void *reg = drv_data->ioaddr;
+       void __iomem *reg = drv_data->ioaddr;
        u32 clk_div = 0;
        u8 bits = 0;
        u32 speed = 0;
@@ -1337,7 +1342,7 @@ static int __init pxa2xx_spi_probe(struct platform_device *pdev)
        struct device *dev = &pdev->dev;
        struct pxa2xx_spi_master *platform_info;
        struct spi_master *master;
-       struct driver_data *drv_data = 0;
+       struct driver_data *drv_data = NULL;
        struct ssp_device *ssp;
        int status = 0;
 
@@ -1562,7 +1567,7 @@ static int pxa2xx_spi_resume(struct platform_device *pdev)
        int status = 0;
 
        /* Enable the SSP clock */
-       clk_disable(ssp->clk);
+       clk_enable(ssp->clk);
 
        /* Start the queue running */
        status = start_queue(drv_data);
@@ -1581,7 +1586,6 @@ static int pxa2xx_spi_resume(struct platform_device *pdev)
 static struct platform_driver driver = {
        .driver = {
                .name = "pxa2xx-spi",
-               .bus = &platform_bus_type,
                .owner = THIS_MODULE,
        },
        .remove = pxa2xx_spi_remove,