mmc: omap: Remove redundant suspend and resume callbacks
authorUlf Hansson <ulf.hansson@linaro.org>
Wed, 25 Sep 2013 12:47:06 +0000 (14:47 +0200)
committerChris Ball <cjb@laptop.org>
Thu, 31 Oct 2013 00:28:24 +0000 (20:28 -0400)
Suspend and resume of cards are handled by the protocol layer and
consequently the mmc_suspend|resume_host APIs are marked as deprecated.

While moving away from using the deprecated APIs, there are nothing
left to be done for the suspend and resume callbacks, so remove them.

Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com>
Cc: linux-omap@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
drivers/mmc/host/omap.c
drivers/mmc/host/omap_hsmmc.c

index b94f38ec2a838acff3f67861a8059eb22d41c2ff..0b10a9030f4e2a85029ea4bab3afcdb8102899be 100644 (file)
@@ -128,7 +128,6 @@ struct mmc_omap_slot {
 
 struct mmc_omap_host {
        int                     initialized;
-       int                     suspended;
        struct mmc_request *    mrq;
        struct mmc_command *    cmd;
        struct mmc_data *       data;
@@ -1513,61 +1512,9 @@ static int mmc_omap_remove(struct platform_device *pdev)
        return 0;
 }
 
-#ifdef CONFIG_PM
-static int mmc_omap_suspend(struct platform_device *pdev, pm_message_t mesg)
-{
-       int i, ret = 0;
-       struct mmc_omap_host *host = platform_get_drvdata(pdev);
-
-       if (host == NULL || host->suspended)
-               return 0;
-
-       for (i = 0; i < host->nr_slots; i++) {
-               struct mmc_omap_slot *slot;
-
-               slot = host->slots[i];
-               ret = mmc_suspend_host(slot->mmc);
-               if (ret < 0) {
-                       while (--i >= 0) {
-                               slot = host->slots[i];
-                               mmc_resume_host(slot->mmc);
-                       }
-                       return ret;
-               }
-       }
-       host->suspended = 1;
-       return 0;
-}
-
-static int mmc_omap_resume(struct platform_device *pdev)
-{
-       int i, ret = 0;
-       struct mmc_omap_host *host = platform_get_drvdata(pdev);
-
-       if (host == NULL || !host->suspended)
-               return 0;
-
-       for (i = 0; i < host->nr_slots; i++) {
-               struct mmc_omap_slot *slot;
-               slot = host->slots[i];
-               ret = mmc_resume_host(slot->mmc);
-               if (ret < 0)
-                       return ret;
-
-               host->suspended = 0;
-       }
-       return 0;
-}
-#else
-#define mmc_omap_suspend       NULL
-#define mmc_omap_resume                NULL
-#endif
-
 static struct platform_driver mmc_omap_driver = {
        .probe          = mmc_omap_probe,
        .remove         = mmc_omap_remove,
-       .suspend        = mmc_omap_suspend,
-       .resume         = mmc_omap_resume,
        .driver         = {
                .name   = DRIVER_NAME,
                .owner  = THIS_MODULE,
index 540dead767b9ce5cb223f440f443d64f20635365..dbd32ad3b749337a196c98915694b0c013685186 100644 (file)
@@ -1171,9 +1171,6 @@ static irqreturn_t omap_hsmmc_detect(int irq, void *dev_id)
        struct omap_mmc_slot_data *slot = &mmc_slot(host);
        int carddetect;
 
-       if (host->suspended)
-               return IRQ_HANDLED;
-
        sysfs_notify(&host->mmc->class_dev.kobj, NULL, "cover_switch");
 
        if (slot->card_detect)
@@ -1632,11 +1629,6 @@ static int omap_hsmmc_regs_show(struct seq_file *s, void *data)
        seq_printf(s, "mmc%d:\n ctx_loss:\t%d\n\nregs:\n",
                        mmc->index, host->context_loss);
 
-       if (host->suspended) {
-               seq_printf(s, "host suspended, can't read registers\n");
-               return 0;
-       }
-
        pm_runtime_get_sync(host->dev);
 
        seq_printf(s, "CON:\t\t0x%08x\n",
@@ -2101,23 +2093,12 @@ static void omap_hsmmc_complete(struct device *dev)
 
 static int omap_hsmmc_suspend(struct device *dev)
 {
-       int ret = 0;
        struct omap_hsmmc_host *host = dev_get_drvdata(dev);
 
        if (!host)
                return 0;
 
-       if (host && host->suspended)
-               return 0;
-
        pm_runtime_get_sync(host->dev);
-       host->suspended = 1;
-       ret = mmc_suspend_host(host->mmc);
-
-       if (ret) {
-               host->suspended = 0;
-               goto err;
-       }
 
        if (!(host->mmc->pm_flags & MMC_PM_KEEP_POWER)) {
                omap_hsmmc_disable_irq(host);
@@ -2127,23 +2108,19 @@ static int omap_hsmmc_suspend(struct device *dev)
 
        if (host->dbclk)
                clk_disable_unprepare(host->dbclk);
-err:
+
        pm_runtime_put_sync(host->dev);
-       return ret;
+       return 0;
 }
 
 /* Routine to resume the MMC device */
 static int omap_hsmmc_resume(struct device *dev)
 {
-       int ret = 0;
        struct omap_hsmmc_host *host = dev_get_drvdata(dev);
 
        if (!host)
                return 0;
 
-       if (host && !host->suspended)
-               return 0;
-
        pm_runtime_get_sync(host->dev);
 
        if (host->dbclk)
@@ -2154,16 +2131,9 @@ static int omap_hsmmc_resume(struct device *dev)
 
        omap_hsmmc_protect_card(host);
 
-       /* Notify the core to resume the host */
-       ret = mmc_resume_host(host->mmc);
-       if (ret == 0)
-               host->suspended = 0;
-
        pm_runtime_mark_last_busy(host->dev);
        pm_runtime_put_autosuspend(host->dev);
-
-       return ret;
-
+       return 0;
 }
 
 #else
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