mmc: host: omap_hsmmc: use regulator_is_enabled to find pbias status

Use regulator_is_enabled of pbias regulator to find pbias regulator
status instead of maintaining a custom bookkeeping
pbias_enabled variable.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 5a5946a..4cd7a58 100644 (file)
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -182,7 +182,6 @@ struct omap_hsmmc_host {
        struct  clk             *fclk;
        struct  clk             *dbclk;
        struct  regulator       *pbias;
-       bool                    pbias_enabled;
        void    __iomem         *base;
        int                     vqmmc_enabled;
        resource_size_t         mapbase;
@@ -330,22 +329,20 @@ static int omap_hsmmc_set_pbias(struct omap_hsmmc_host *host, bool power_on,
                        return ret;
                }
 
-               if (host->pbias_enabled == 0) {
+               if (!regulator_is_enabled(host->pbias)) {
                        ret = regulator_enable(host->pbias);
                        if (ret) {
                                dev_err(host->dev, "pbias reg enable fail\n");
                                return ret;
                        }
-                       host->pbias_enabled = 1;
                }
        } else {
-               if (host->pbias_enabled == 1) {
+               if (regulator_is_enabled(host->pbias)) {
                        ret = regulator_disable(host->pbias);
                        if (ret) {
                                dev_err(host->dev, "pbias reg disable fail\n");
                                return ret;
                        }
-                       host->pbias_enabled = 0;
                }
        }
 
@@ -2081,7 +2078,6 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
        host->base      = base + pdata->reg_offset;
        host->power_mode = MMC_POWER_OFF;
        host->next_data.cookie = 1;
-       host->pbias_enabled = 0;
        host->vqmmc_enabled = 0;
 
        ret = omap_hsmmc_gpio_init(mmc, host, pdata);