mmc: tmio_mmc: power status flag doesn't have to be exposed in platform data
authorGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Thu, 9 Feb 2012 21:57:13 +0000 (22:57 +0100)
committerChris Ball <cjb@laptop.org>
Tue, 27 Mar 2012 16:20:16 +0000 (12:20 -0400)
The controller power status flag does not have to be accessed from the
hot-plug detection code any more, it can now be removed from the platform
data and put in the controller private struct.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
drivers/mmc/host/tmio_mmc.h
drivers/mmc/host/tmio_mmc_pio.c
include/linux/mfd/tmio.h

index ede2f4e..edfcfd7 100644 (file)
@@ -49,6 +49,9 @@ struct tmio_mmc_host {
        struct mmc_host         *mmc;
        unsigned int            sdio_irq_enabled;
 
+       /* Controller power state */
+       bool                    power;
+
        /* Callbacks for clock / power control */
        void (*set_pwr)(struct platform_device *host, int state);
        void (*set_clk_div)(struct platform_device *host, int state);
index 42970ab..9f22681 100644 (file)
@@ -762,7 +762,6 @@ fail:
 static void tmio_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 {
        struct tmio_mmc_host *host = mmc_priv(mmc);
-       struct tmio_mmc_data *pdata = host->pdata;
        unsigned long flags;
 
        mutex_lock(&host->ios_lock);
@@ -792,15 +791,15 @@ static void tmio_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
        spin_unlock_irqrestore(&host->lock, flags);
 
        /*
-        * pdata->power toggles between false and true in both cases - either
+        * host->power toggles between false and true in both cases - either
         * or not the controller can be runtime-suspended during inactivity.
         * But if the controller has to be kept on, the runtime-pm usage_count
         * is kept positive, so no suspending actually takes place.
         */
        if (ios->power_mode == MMC_POWER_ON && ios->clock) {
-               if (!pdata->power) {
+               if (!host->power) {
                        pm_runtime_get_sync(&host->pdev->dev);
-                       pdata->power = true;
+                       host->power = true;
                }
                tmio_mmc_set_clock(host, ios->clock);
                /* power up SD bus */
@@ -811,8 +810,8 @@ static void tmio_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
        } else if (ios->power_mode != MMC_POWER_UP) {
                if (host->set_pwr && ios->power_mode == MMC_POWER_OFF)
                        host->set_pwr(host->pdev, 0);
-               if (pdata->power) {
-                       pdata->power = false;
+               if (host->power) {
+                       host->power = false;
                        pm_runtime_put(&host->pdev->dev);
                }
                tmio_mmc_clk_stop(host);
@@ -923,7 +922,7 @@ int __devinit tmio_mmc_host_probe(struct tmio_mmc_host **host,
                                  mmc->caps & MMC_CAP_NEEDS_POLL ||
                                  mmc->caps & MMC_CAP_NONREMOVABLE);
 
-       pdata->power = false;
+       _host->power = false;
        pm_runtime_enable(&pdev->dev);
        ret = pm_runtime_resume(&pdev->dev);
        if (ret < 0)
index 5a197de..f5171db 100644 (file)
@@ -105,7 +105,6 @@ struct tmio_mmc_data {
        u32                             ocr_mask;       /* available voltages */
        struct tmio_mmc_dma             *dma;
        struct device                   *dev;
-       bool                            power;
        unsigned int                    cd_gpio;
        void (*set_pwr)(struct platform_device *host, int state);
        void (*set_clk_div)(struct platform_device *host, int state);