linux-kernel - [PATCH 05/11] mmc: host: omap_hsmmc: set clk rate to the max frequency

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Date:	Thu, 30 Jul 2015 13:16:28 +0530
From:	Kishon Vijay Abraham I <kishon@...com>
To:	<tony@...mide.com>, <ulf.hansson@...aro.org>, <afenkart@...il.com>,
	<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>, <mugunthanvnm@...com>
Subject: [PATCH 05/11] mmc: host: omap_hsmmc: set clk rate to the max frequency

Set the clock rate of the functional clock to the max frequency
that is passed to the driver either using pdata or dt.

Also remove unnecessary setting of host->fclk to NULL.

Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
---
 drivers/mmc/host/omap_hsmmc.c |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index e960b5c..0452a8b 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -2219,7 +2219,12 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
 	host->fclk = devm_clk_get(&pdev->dev, "fck");
 	if (IS_ERR(host->fclk)) {
 		ret = PTR_ERR(host->fclk);
-		host->fclk = NULL;
+		goto err1;
+	}
+
+	ret = clk_set_rate(host->fclk, mmc->f_max);
+	if (ret) {
+		dev_err(&pdev->dev, "failed to set clock to %d\n", mmc->f_max);
 		goto err1;
 	}
 
-- 
1.7.9.5

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