mmc: omap_hsmmc: remove unused slot_id parameter

omap_hsmmc only supports one slot. So slot id is always zero, and
slot id was never used in the callbacks anyway

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Andreas Fenkart <afenkart@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

1 files changed, 26 insertions, 39 deletions

diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index f4f1bcd632f3..82b40b85293f 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -207,7 +207,6 @@ struct omap_hsmmc_host {
         int                     use_dma, dma_ch;
         struct dma_chan         *tx_chan;
         struct dma_chan         *rx_chan;
-        int                     slot_id;
         int                     response_busy;
         int                     context_loss;
         int                     protect_card;
@@ -223,8 +222,8 @@ struct omap_hsmmc_host {
         struct  omap_hsmmc_platform_data        *pdata;
 
         /* To handle board related suspend/resume functionality for MMC */
-        int (*suspend)(struct device *dev, int slot);
-        int (*resume)(struct device *dev, int slot);
+        int (*suspend)(struct device *dev);
+        int (*resume)(struct device *dev);
 
         /* return MMC cover switch state, can be NULL if not supported.
          *
@@ -232,13 +231,13 @@ struct omap_hsmmc_host {
          *   0 - closed
          *   1 - open
          */
-        int (*get_cover_state)(struct device *dev, int slot);
+        int (*get_cover_state)(struct device *dev);
 
         /* Card detection IRQs */
         int card_detect_irq;
 
-        int (*card_detect)(struct device *dev, int slot);
-        int (*get_ro)(struct device *dev, int slot);
+        int (*card_detect)(struct device *dev);
+        int (*get_ro)(struct device *dev);
 
 };
 
@@ -249,7 +248,7 @@ struct omap_mmc_of_data {
 
 static void omap_hsmmc_start_dma_transfer(struct omap_hsmmc_host *host);
 
-static int omap_hsmmc_card_detect(struct device *dev, int slot)
+static int omap_hsmmc_card_detect(struct device *dev)
 {
         struct omap_hsmmc_host *host = dev_get_drvdata(dev);
         struct omap_hsmmc_platform_data *mmc = host->pdata;
@@ -258,7 +257,7 @@ static int omap_hsmmc_card_detect(struct device *dev, int slot)
         return !gpio_get_value_cansleep(mmc->switch_pin);
 }
 
-static int omap_hsmmc_get_wp(struct device *dev, int slot)
+static int omap_hsmmc_get_wp(struct device *dev)
 {
         struct omap_hsmmc_host *host = dev_get_drvdata(dev);
         struct omap_hsmmc_platform_data *mmc = host->pdata;
@@ -267,7 +266,7 @@ static int omap_hsmmc_get_wp(struct device *dev, int slot)
         return gpio_get_value_cansleep(mmc->gpio_wp);
 }
 
-static int omap_hsmmc_get_cover_state(struct device *dev, int slot)
+static int omap_hsmmc_get_cover_state(struct device *dev)
 {
         struct omap_hsmmc_host *host = dev_get_drvdata(dev);
         struct omap_hsmmc_platform_data *mmc = host->pdata;
@@ -278,7 +277,7 @@ static int omap_hsmmc_get_cover_state(struct device *dev, int slot)
 
 #ifdef CONFIG_PM
 
-static int omap_hsmmc_suspend_cdirq(struct device *dev, int slot)
+static int omap_hsmmc_suspend_cdirq(struct device *dev)
 {
         struct omap_hsmmc_host *host = dev_get_drvdata(dev);
 
@@ -286,7 +285,7 @@ static int omap_hsmmc_suspend_cdirq(struct device *dev, int slot)
         return 0;
 }
 
-static int omap_hsmmc_resume_cdirq(struct device *dev, int slot)
+static int omap_hsmmc_resume_cdirq(struct device *dev)
 {
         struct omap_hsmmc_host *host = dev_get_drvdata(dev);
 
@@ -303,8 +302,7 @@ static int omap_hsmmc_resume_cdirq(struct device *dev, int slot)
 
 #ifdef CONFIG_REGULATOR
 
-static int omap_hsmmc_set_power(struct device *dev, int slot, int power_on,
-                                   int vdd)
+static int omap_hsmmc_set_power(struct device *dev, int power_on, int vdd)
 {
         struct omap_hsmmc_host *host =
                 platform_get_drvdata(to_platform_device(dev));
@@ -318,7 +316,7 @@ static int omap_hsmmc_set_power(struct device *dev, int slot, int power_on,
                 return 0;
 
         if (mmc_pdata(host)->before_set_reg)
-                mmc_pdata(host)->before_set_reg(dev, slot, power_on, vdd);
+                mmc_pdata(host)->before_set_reg(dev, power_on, vdd);
 
         if (host->pbias) {
                 if (host->pbias_enabled == 1) {
@@ -381,7 +379,7 @@ static int omap_hsmmc_set_power(struct device *dev, int slot, int power_on,
         }
 
         if (mmc_pdata(host)->after_set_reg)
-                mmc_pdata(host)->after_set_reg(dev, slot, power_on, vdd);
+                mmc_pdata(host)->after_set_reg(dev, power_on, vdd);
 
 error_set_power:
         return ret;
@@ -431,8 +429,8 @@ static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host)
             (host->vcc_aux && regulator_is_enabled(host->vcc_aux))) {
                 int vdd = ffs(mmc_pdata(host)->ocr_mask) - 1;
 
-                mmc_pdata(host)->set_power(host->dev, host->slot_id, 1, vdd);
-                mmc_pdata(host)->set_power(host->dev, host->slot_id, 0, 0);
+                mmc_pdata(host)->set_power(host->dev, 1, vdd);
+                mmc_pdata(host)->set_power(host->dev, 0, 0);
         }
 
         return 0;
@@ -813,7 +811,7 @@ int omap_hsmmc_cover_is_closed(struct omap_hsmmc_host *host)
         int r = 1;
 
         if (host->get_cover_state)
-                r = host->get_cover_state(host->dev, host->slot_id);
+                r = host->get_cover_state(host->dev);
         return r;
 }
 
@@ -1231,12 +1229,11 @@ static int omap_hsmmc_switch_opcond(struct omap_hsmmc_host *host, int vdd)
                 clk_disable_unprepare(host->dbclk);
 
         /* Turn the power off */
-        ret = mmc_pdata(host)->set_power(host->dev, host->slot_id, 0, 0);
+        ret = mmc_pdata(host)->set_power(host->dev, 0, 0);
 
         /* Turn the power ON with given VDD 1.8 or 3.0v */
         if (!ret)
-                ret = mmc_pdata(host)->set_power(host->dev, host->slot_id, 1,
-                                                 vdd);
+                ret = mmc_pdata(host)->set_power(host->dev, 1, vdd);
         pm_runtime_get_sync(host->dev);
         if (host->dbclk)
                 clk_prepare_enable(host->dbclk);
@@ -1284,7 +1281,7 @@ static void omap_hsmmc_protect_card(struct omap_hsmmc_host *host)
                 return;
 
         host->reqs_blocked = 0;
-        if (host->get_cover_state(host->dev, host->slot_id)) {
+        if (host->get_cover_state(host->dev)) {
                 if (host->protect_card) {
                         dev_info(host->dev, "%s: cover is closed, "
                                          "card is now accessible\n",
@@ -1312,7 +1309,7 @@ static irqreturn_t omap_hsmmc_detect(int irq, void *dev_id)
         sysfs_notify(&host->mmc->class_dev.kobj, NULL, "cover_switch");
 
         if (host->card_detect)
-                carddetect = host->card_detect(host->dev, host->slot_id);
+                carddetect = host->card_detect(host->dev);
         else {
                 omap_hsmmc_protect_card(host);
                 carddetect = -ENOSYS;
@@ -1638,12 +1635,10 @@ static void omap_hsmmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
         if (ios->power_mode != host->power_mode) {
                 switch (ios->power_mode) {
                 case MMC_POWER_OFF:
-                        mmc_pdata(host)->set_power(host->dev, host->slot_id,
-                                                   0, 0);
+                        mmc_pdata(host)->set_power(host->dev, 0, 0);
                         break;
                 case MMC_POWER_UP:
-                        mmc_pdata(host)->set_power(host->dev, host->slot_id,
-                                                   1, ios->vdd);
+                        mmc_pdata(host)->set_power(host->dev, 1, ios->vdd);
                         break;
                 case MMC_POWER_ON:
                         do_send_init_stream = 1;
@@ -1690,7 +1685,7 @@ static int omap_hsmmc_get_cd(struct mmc_host *mmc)
 
         if (!host->card_detect)
                 return -ENOSYS;
-        return host->card_detect(host->dev, host->slot_id);
+        return host->card_detect(host->dev);
 }
 
 static int omap_hsmmc_get_ro(struct mmc_host *mmc)
@@ -1699,7 +1694,7 @@ static int omap_hsmmc_get_ro(struct mmc_host *mmc)
 
         if (!host->get_ro)
                 return -ENOSYS;
-        return host->get_ro(host->dev, 0);
+        return host->get_ro(host->dev);
 }
 
 static void omap_hsmmc_init_card(struct mmc_host *mmc, struct mmc_card *card)
@@ -1996,8 +1991,6 @@ static struct omap_hsmmc_platform_data *of_get_hsmmc_pdata(struct device *dev)
         if (of_find_property(np, "ti,dual-volt", NULL))
                 pdata->controller_flags |= OMAP_HSMMC_SUPPORTS_DUAL_VOLT;
 
-        /* This driver only supports 1 slot */
-        pdata->nr_slots = 1;
         pdata->switch_pin = cd_gpio;
         pdata->gpio_wp = wp_gpio;
 
@@ -2068,11 +2061,6 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
                 return -ENXIO;
         }
 
-        if (pdata->nr_slots == 0) {
-                dev_err(&pdev->dev, "No Slots\n");
-                return -ENXIO;
-        }
-
         res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
         irq = platform_get_irq(pdev, 0);
         if (res == NULL || irq < 0)
@@ -2095,7 +2083,6 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
         host->use_dma   = 1;
         host->dma_ch    = -1;
         host->irq       = irq;
-        host->slot_id   = 0;
         host->mapbase   = res->start + pdata->reg_offset;
         host->base      = base + pdata->reg_offset;
         host->power_mode = MMC_POWER_OFF;
@@ -2338,7 +2325,7 @@ static int omap_hsmmc_prepare(struct device *dev)
         struct omap_hsmmc_host *host = dev_get_drvdata(dev);
 
         if (host->suspend)
-                return host->suspend(dev, host->slot_id);
+                return host->suspend(dev);
 
         return 0;
 }
@@ -2348,7 +2335,7 @@ static void omap_hsmmc_complete(struct device *dev)
         struct omap_hsmmc_host *host = dev_get_drvdata(dev);
 
         if (host->resume)
-                host->resume(dev, host->slot_id);
+                host->resume(dev);
 
 }