Thread (45 messages) 45 messages, 10 authors, 2013-08-27
STALE4687d REVIEWED: 18 (18M)

[PATCH v2 6/8] usb: host: ohci-s3c2410 Use clk_prepare_enable/clk_disable_unprepare

From: gregkh@linuxfoundation.org (Greg KH)
Date: 2013-08-01 07:45:54
Also in: linux-samsung-soc

On Wed, Jul 31, 2013 at 04:44:43PM -0400, Alan Stern wrote:
On Wed, 31 Jul 2013, Tomasz Figa wrote:
quoted
Alan, Greg,

On Tuesday 23 of July 2013 01:49:23 Tomasz Figa wrote:
quoted
This patch modifies the ohci-s3c2410 driver to prepare and unprepare
clocks in addition to enabling and disabling, since it is required
by common clock framework.

Signed-off-by: Tomasz Figa <redacted>
---
 drivers/usb/host/ohci-s3c2410.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/host/ohci-s3c2410.c
b/drivers/usb/host/ohci-s3c2410.c index e125770..db096bf 100644
--- a/drivers/usb/host/ohci-s3c2410.c
+++ b/drivers/usb/host/ohci-s3c2410.c
@@ -47,10 +47,10 @@ static void s3c2410_start_hc(struct platform_device
*dev, struct usb_hcd *hcd)

 	dev_dbg(&dev->dev, "s3c2410_start_hc:\n");

-	clk_enable(usb_clk);
+	clk_prepare_enable(usb_clk);
 	mdelay(2);			/* let the bus clock stabilise */

-	clk_enable(clk);
+	clk_prepare_enable(clk);

 	if (info != NULL) {
 		info->hcd	= hcd;
@@ -75,8 +75,8 @@ static void s3c2410_stop_hc(struct platform_device
*dev) (info->enable_oc)(info, 0);
 	}

-	clk_disable(clk);
-	clk_disable(usb_clk);
+	clk_disable_unprepare(clk);
+	clk_disable_unprepare(usb_clk);
 }

 /* ohci_s3c2410_hub_status_data
Any chance to get your ack on this?
Sorry, this must have slipped past.  It's fine with me.
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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