From 9addf6afeef0f2c9a1fef880e2dbe633d15a89bd Mon Sep 17 00:00:00 2001 From: Vipul Kumar Samar Date: Thu, 8 Nov 2012 20:39:54 +0530 Subject: [PATCH] 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 Signed-off-by: Viresh Kumar Signed-off-by: Jeff Garzik --- 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 26201ebef3ca..71111f214eab 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 : -- 2.20.1