[s3c24xx] glamo-mmc: Limit clock rate.

[openwrt.git] / target / linux / s3c24xx / files-2.6.30 / drivers / mfd / glamo / glamo-spi-gpio.c

diff --git a/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-spi-gpio.c b/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-spi-gpio.c
index b92e48a..6316b85 100644 (file)
--- a/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-spi-gpio.c
+++ b/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-spi-gpio.c
@@ -21,7 +21,6 @@
 #include <linux/delay.h>
 #include <linux/device.h>
 #include <linux/spinlock.h>
-#include <linux/workqueue.h>
 #include <linux/platform_device.h>
 
 #include <linux/spi/spi.h>
@@ -38,8 +37,7 @@
 struct glamo_spigpio {
        struct spi_bitbang              bitbang;
        struct spi_master               *master;
-       struct glamo_spigpio_info       *info;
-       struct glamo_core               *glamo;
+       struct glamo_spigpio_platform_data      *info;
 };
 
 static inline struct glamo_spigpio *to_sg(struct spi_device *spi)
@@ -50,20 +48,20 @@ static inline struct glamo_spigpio *to_sg(struct spi_device *spi)
 static inline void setsck(struct spi_device *dev, int on)
 {
        struct glamo_spigpio *sg = to_sg(dev);
-       glamo_gpio_setpin(sg->glamo, sg->info->pin_clk, on ? 1 : 0);
+       glamo_gpio_setpin(sg->info->core, sg->info->pin_clk, on ? 1 : 0);
 }
 
 static inline void setmosi(struct spi_device *dev, int on)
 {
        struct glamo_spigpio *sg = to_sg(dev);
-       glamo_gpio_setpin(sg->glamo, sg->info->pin_mosi, on ? 1 : 0);
+       glamo_gpio_setpin(sg->info->core, sg->info->pin_mosi, on ? 1 : 0);
 }
 
 static inline u32 getmiso(struct spi_device *dev)
 {
        struct glamo_spigpio *sg = to_sg(dev);
        if (sg->info->pin_miso)
-               return glamo_gpio_getpin(sg->glamo, sg->info->pin_miso) ? 1 : 0;
+               return glamo_gpio_getpin(sg->info->core, sg->info->pin_miso) ? 1 : 0;
        else
                return 0;
 }
@@ -123,7 +121,7 @@ static void glamo_spigpio_chipsel(struct spi_device *spi, int value)
        dev_dbg(&spi->dev, "chipsel %d: spi=%p, gs=%p, info=%p, handle=%p\n",
                value, spi, gs, gs->info, gs->info->glamo);
 #endif
-       glamo_gpio_setpin(gs->glamo, gs->info->pin_cs, value ? 0 : 1);
+       glamo_gpio_setpin(gs->info->core, gs->info->pin_cs, value ? 0 : 1);
 }
 
 
@@ -153,7 +151,6 @@ static int glamo_spigpio_probe(struct platform_device *pdev)
        master->bus_num = 2; /* FIXME: use dynamic number */
 
        sp->master = spi_master_get(master);
-       sp->glamo = sp->info->glamo;
 
        sp->bitbang.master = sp->master;
        sp->bitbang.chipselect = glamo_spigpio_chipsel;
@@ -163,20 +160,20 @@ static int glamo_spigpio_probe(struct platform_device *pdev)
        sp->bitbang.txrx_word[SPI_MODE_3] = glamo_spigpio_txrx_mode3;
 
        /* set state of spi pins */
-       glamo_gpio_setpin(sp->glamo, sp->info->pin_clk, 0);
-       glamo_gpio_setpin(sp->glamo, sp->info->pin_mosi, 0);
-       glamo_gpio_setpin(sp->glamo, sp->info->pin_cs, 1);
+       glamo_gpio_setpin(sp->info->core, sp->info->pin_clk, 0);
+       glamo_gpio_setpin(sp->info->core, sp->info->pin_mosi, 0);
+       glamo_gpio_setpin(sp->info->core, sp->info->pin_cs, 1);
 
-       glamo_gpio_cfgpin(sp->glamo, sp->info->pin_clk);
-       glamo_gpio_cfgpin(sp->glamo, sp->info->pin_mosi);
-       glamo_gpio_cfgpin(sp->glamo, sp->info->pin_cs);
+       glamo_gpio_cfgpin(sp->info->core, sp->info->pin_clk);
+       glamo_gpio_cfgpin(sp->info->core, sp->info->pin_mosi);
+       glamo_gpio_cfgpin(sp->info->core, sp->info->pin_cs);
        if (sp->info->pin_miso)
-               glamo_gpio_cfgpin(sp->glamo, sp->info->pin_miso);
+               glamo_gpio_cfgpin(sp->info->core, sp->info->pin_miso);
 
        /* bring the LCM panel out of reset if it isn't already */
 
-       glamo_gpio_setpin(sp->glamo, GLAMO_GPIO4, 1);
-       glamo_gpio_cfgpin(sp->glamo, GLAMO_GPIO4_OUTPUT);
+       glamo_gpio_setpin(sp->info->core, GLAMO_GPIO4, 1);
+       glamo_gpio_cfgpin(sp->info->core, GLAMO_GPIO4_OUTPUT);
        msleep(90);
 
 #if 0
@@ -214,49 +211,52 @@ static int glamo_spigpio_remove(struct platform_device *pdev)
        return 0;
 }
 
-/*#define glamo_spigpio_suspend NULL
-#define glamo_spigpio_resume NULL
-*/
-
 
 #ifdef CONFIG_PM
-static int glamo_spigpio_suspend(struct platform_device *pdev, pm_message_t state)
+/*static int glamo_spigpio_suspend(struct device *dev)
 {
        return 0;
-}
+}*/
 
-static int glamo_spigpio_resume(struct platform_device *pdev)
+static int glamo_spigpio_resume(struct device *dev)
 {
-       struct glamo_spigpio *sp = platform_get_drvdata(pdev);
+       struct glamo_spigpio *sp = dev_get_drvdata(dev);
 
        if (!sp)
                return 0;
 
        /* set state of spi pins */
-       glamo_gpio_setpin(sp->glamo, sp->info->pin_clk, 0);
-       glamo_gpio_setpin(sp->glamo, sp->info->pin_mosi, 0);
-       glamo_gpio_setpin(sp->glamo, sp->info->pin_cs, 1);
+       glamo_gpio_setpin(sp->info->core, sp->info->pin_clk, 0);
+       glamo_gpio_setpin(sp->info->core, sp->info->pin_mosi, 0);
+       glamo_gpio_setpin(sp->info->core, sp->info->pin_cs, 1);
 
-       glamo_gpio_cfgpin(sp->glamo, sp->info->pin_clk);
-       glamo_gpio_cfgpin(sp->glamo, sp->info->pin_mosi);
-       glamo_gpio_cfgpin(sp->glamo, sp->info->pin_cs);
+       glamo_gpio_cfgpin(sp->info->core, sp->info->pin_clk);
+       glamo_gpio_cfgpin(sp->info->core, sp->info->pin_mosi);
+       glamo_gpio_cfgpin(sp->info->core, sp->info->pin_cs);
        if (sp->info->pin_miso)
-               glamo_gpio_cfgpin(sp->glamo, sp->info->pin_miso);
+               glamo_gpio_cfgpin(sp->info->core, sp->info->pin_miso);
 
        return 0;
 }
+
+static struct dev_pm_ops glamo_spigpio_pm_ops = {
+/*     .suspend = glamo_spiogpio_suspend,*/
+       .resume_noirq = glamo_spigpio_resume,
+};
+
+#define GLAMO_SPIGPIO_PM_OPS (&glamo_spigpio_pm_ops)
+
+#else
+#define GLAMO_SPIGPIO_PM_OPS NULL
 #endif
 
 static struct platform_driver glamo_spi_drv = {
        .probe          = glamo_spigpio_probe,
        .remove         = glamo_spigpio_remove,
-#ifdef CONFIG_PM
-       .suspend_late   = glamo_spigpio_suspend,
-       .resume_early   = glamo_spigpio_resume,
-#endif
        .driver         = {
                .name   = "glamo-spi-gpio",
                .owner  = THIS_MODULE,
+               .pm     = GLAMO_SPIGPIO_PM_OPS,
        },
 };