linux-kernel - [PATCH 14/17] mmc: host: omap_hsmmc: use regulator_is

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Message-ID: <1438168187-1614-15-git-send-email-kishon@ti.com>
Date:	Wed, 29 Jul 2015 16:39:44 +0530
From:	Kishon Vijay Abraham I <kishon@...com>
To:	<tony@...mide.com>, <ulf.hansson@...aro.org>, <afenkart@...il.com>,
	<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-omap@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <linux-mmc@...r.kernel.org>
CC:	<nsekhar@...com>, <kishon@...com>
Subject: [PATCH 14/17] 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@...com>
---
 drivers/mmc/host/omap_hsmmc.c |    8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 001f8a0..a50edbc 100644
--- 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;
 	resource_size_t		mapbase;
 	spinlock_t		irq_lock; /* Prevent races with irq handler */
@@ -326,22 +325,20 @@ 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;
 		}
 	}
 
@@ -2073,7 +2070,6 @@ 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;
 
 	ret = omap_hsmmc_gpio_init(mmc, host, pdata);
 	if (ret)
-- 
1.7.9.5

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