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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: Vipul Kumar Samar <vipulkumar.samar@st.com> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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1 changed files with 6 additions and 0 deletions
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@ -317,6 +317,12 @@ static int cf_init(struct arasan_cf_dev *acdev)
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return ret;
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}
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ret = clk_set_rate(acdev->clk, 166000000);
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if (ret) {
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dev_warn(acdev->host->dev, "clock set rate failed");
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return ret;
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}
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spin_lock_irqsave(&acdev->host->lock, flags);
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/* configure CF interface clock */
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writel((pdata->cf_if_clk <= CF_IF_CLK_200M) ? pdata->cf_if_clk :
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