From patchwork Thu Nov 8 15:09:54 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: ata: pata_arasan: Initialize cf clock to 166MHz Date: Thu, 08 Nov 2012 05:09:54 -0000 From: viresh kumar X-Patchwork-Id: 197848 Message-Id: <382d2087350ff0955ba14f125294ace4ed28382b.1352387366.git.viresh.kumar@linaro.org> To: jgarzik@pobox.com Cc: linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org, spear-devel@list.st.com, Vipul Kumar Samar , Viresh Kumar From: Vipul Kumar Samar 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 Signed-off-by: Viresh Kumar --- drivers/ata/pata_arasan_cf.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/ata/pata_arasan_cf.c b/drivers/ata/pata_arasan_cf.c index 26201eb..71111f2 100644 --- a/drivers/ata/pata_arasan_cf.c +++ b/drivers/ata/pata_arasan_cf.c @@ -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 :