[s3c24xx] glamo: The cell can rely on being a child of the core. Use it for

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

diff --git a/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-mci.c b/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-mci.c
index fdf292f..b728c87 100644 (file)
--- a/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-mci.c
+++ b/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-mci.c
@@ -31,8 +31,9 @@
 #define DRIVER_NAME "glamo-mci"
 
 struct glamo_mci_host {
-       struct platform_device *pdev;
        struct glamo_mmc_platform_data *pdata;
+       struct platform_device *pdev;
+       struct glamo_core      *core;
        struct mmc_host        *mmc;
        struct resource        *mmio_mem;
        struct resource        *data_mem;
@@ -55,6 +56,7 @@ struct glamo_mci_host {
        struct work_struct read_work;
 
        unsigned clk_enabled : 1;
+
 };
 
 static void glamo_mci_send_request(struct mmc_host *mmc, struct mmc_request* mrq);
@@ -139,7 +141,7 @@ static void glamo_reg_set_bit_mask(struct glamo_mci_host *glamo,
 
 static void glamo_mci_clock_disable(struct glamo_mci_host *host) {
        if (host->clk_enabled) {
-               glamo_engine_div_disable(host->pdata->core, GLAMO_ENGINE_MMC);
+               glamo_engine_div_disable(host->core, GLAMO_ENGINE_MMC);
                host->clk_enabled = 0;
        }
 }
@@ -148,7 +150,7 @@ static void glamo_mci_clock_enable(struct glamo_mci_host *host) {
        del_timer_sync(&host->disable_timer);
 
        if (!host->clk_enabled) {
-               glamo_engine_div_enable(host->pdata->core, GLAMO_ENGINE_MMC);
+               glamo_engine_div_enable(host->core, GLAMO_ENGINE_MMC);
                host->clk_enabled = 1;
        }
 }
@@ -205,7 +207,7 @@ static int glamo_mci_set_card_clock(struct glamo_mci_host *host, int freq)
 
        if (freq) {
                glamo_mci_clock_enable(host);
-               real_rate = glamo_engine_reclock(host->pdata->core, GLAMO_ENGINE_MMC, freq);
+               real_rate = glamo_engine_reclock(host->core, GLAMO_ENGINE_MMC, freq);
        } else {
                glamo_mci_clock_disable(host);
        }
@@ -558,7 +560,7 @@ static int glamo_mci_irq_poll(struct glamo_mci_host *host,
         * but something insane like suspend problems can mean
         * we spin here forever, so we timeout after a LONG time
         */
-       while ((!(readw(host->pdata->core->base +
+       while ((!(readw(host->core->base +
                 GLAMO_REG_IRQ_STATUS) & GLAMO_IRQ_MMC)) &&
                   (timeout--));
 
@@ -569,7 +571,7 @@ static int glamo_mci_irq_poll(struct glamo_mci_host *host,
                return -ETIMEDOUT;
        }
        /* ack this interrupt source */
-       writew(GLAMO_IRQ_MMC, host->pdata->core->base +
+       writew(GLAMO_IRQ_MMC, host->core->base +
                   GLAMO_REG_IRQ_CLEAR);
 
        /* yay we are an interrupt controller! -- call the ISR
@@ -609,7 +611,7 @@ static void glamo_mci_send_request(struct mmc_host *mmc, struct mmc_request *mrq
                goto done;
 
 
-       if (!host->pdata->core->irq_works) {
+       if (!host->core->irq_works) {
                if (glamo_mci_irq_poll(host, mrq->cmd))
                        goto done;
        }
@@ -645,7 +647,7 @@ static void glamo_mci_set_power_mode(struct glamo_mci_host *host,
                break;
        case MMC_POWER_OFF:
        default:
-               glamo_engine_disable(host->pdata->core,
+               glamo_engine_disable(host->core,
                                     GLAMO_ENGINE_MMC);
 
                ret = regulator_disable(host->regulator);
@@ -717,8 +719,9 @@ static struct mmc_host_ops glamo_mci_ops = {
 
 static int glamo_mci_probe(struct platform_device *pdev)
 {
-       struct mmc_host         *mmc;
-       struct glamo_mci_host   *host;
+       struct mmc_host *mmc;
+       struct glamo_mci_host *host;
+       struct glamo_core *core = dev_get_drvdata(pdev->dev.parent);
        int ret;
 
        dev_info(&pdev->dev, "glamo_mci driver (C)2007 Openmoko, Inc\n");
@@ -732,9 +735,11 @@ static int glamo_mci_probe(struct platform_device *pdev)
        host = mmc_priv(mmc);
        host->mmc = mmc;
        host->pdev = pdev;
-       host->pdata = pdev->dev.platform_data;
+       if (core->pdata)
+               host->pdata = core->pdata->mmc_data;
        host->power_mode = MMC_POWER_OFF;
        host->clk_enabled = 0;
+       host->core = core;
 
        INIT_WORK(&host->irq_work, glamo_mci_irq_worker);
        INIT_WORK(&host->read_work, glamo_mci_read_worker);
@@ -809,7 +814,7 @@ static int glamo_mci_probe(struct platform_device *pdev)
 
 
        host->vdd = 0;
-       host->clk_rate = glamo_pll_rate(host->pdata->core, GLAMO_PLL1);
+       host->clk_rate = glamo_pll_rate(host->core, GLAMO_PLL1);
 
        /* explain our host controller capabilities */
        mmc->ops       = &glamo_mci_ops;
@@ -835,8 +840,8 @@ static int glamo_mci_probe(struct platform_device *pdev)
 
        platform_set_drvdata(pdev, mmc);
 
-       glamo_engine_enable(host->pdata->core, GLAMO_ENGINE_MMC);
-       glamo_engine_reset(host->pdata->core, GLAMO_ENGINE_MMC);
+       glamo_engine_enable(host->core, GLAMO_ENGINE_MMC);
+       glamo_engine_reset(host->core, GLAMO_ENGINE_MMC);
 
        glamo_reg_write(host, GLAMO_REG_MMC_WDATADS1,
                        (u16)(host->data_mem->start));
@@ -894,7 +899,7 @@ static int glamo_mci_remove(struct platform_device *pdev)
 
        mmc_free_host(mmc);
 
-       glamo_engine_disable(host->pdata->core, GLAMO_ENGINE_MMC);
+       glamo_engine_disable(host->core, GLAMO_ENGINE_MMC);
        return 0;
 }
 
@@ -921,8 +926,8 @@ static int glamo_mci_resume(struct device *dev)
        struct glamo_mci_host *host = mmc_priv(mmc);
        int ret;
 
-       glamo_engine_enable(host->pdata->core, GLAMO_ENGINE_MMC);
-       glamo_engine_reset(host->pdata->core, GLAMO_ENGINE_MMC);
+       glamo_engine_enable(host->core, GLAMO_ENGINE_MMC);
+       glamo_engine_reset(host->core, GLAMO_ENGINE_MMC);
 
        glamo_reg_write(host, GLAMO_REG_MMC_WDATADS1,
                        (u16)(host->data_mem->start));