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Commit 9addf6af authored by Vipul Kumar Samar's avatar Vipul Kumar Samar Committed by Jeff Garzik
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pata_arasan: Initialize cf clock to 166MHz 



PATA arasan driver expects the clock to be set to 166 MHz for proper
functioning.  This patch sets clk to 166 MHz in probe.

Signed-off-by: default avatarVipul Kumar Samar <vipulkumar.samar@st.com>
Signed-off-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: default avatarJeff Garzik <jgarzik@redhat.com>
parent 60817a68

drivers/ata/pata_arasan_cf.c

+6 −0
Original line number Diff line number Diff line
@@ -317,6 +317,12 @@ static int cf_init(struct arasan_cf_dev *acdev) 
		return ret;

	}



	ret = clk_set_rate(acdev->clk, 166000000);

	if (ret) {

		dev_warn(acdev->host->dev, "clock set rate failed");

		return ret;

	}



	spin_lock_irqsave(&acdev->host->lock, flags);

	/* configure CF interface clock */

	writel((pdata->cf_if_clk <= CF_IF_CLK_200M) ? pdata->cf_if_clk :