linux-kernel - [PATCH 7/8] USB: ohci-at91: prepare clk before calling enable

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Message-Id: <1371640868-9735-1-git-send-email-b.brezillon@overkiz.com>
Date:	Wed, 19 Jun 2013 13:21:08 +0200
From:	Boris BREZILLON <b.brezillon@...rkiz.com>
To:	Nicolas Ferre <nicolas.ferre@...el.com>,
	Ludovic Desroches <ludovic.desroches@...el.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Alan Stern <stern@...land.harvard.edu>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-usb@...r.kernel.org,
	Boris BREZILLON <b.brezillon@...rkiz.com>
Subject: [PATCH 7/8] USB: ohci-at91: prepare clk before calling enable

Replace clk_enable/disable with clk_prepare_enable/disable_unprepare to
avoid common clk framework warnings.

Signed-off-by: Boris BREZILLON <b.brezillon@...rkiz.com>
---
 drivers/usb/host/ohci-at91.c |   12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index a0cb44f..329d277 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -41,17 +41,17 @@ extern int usb_disabled(void);
 
 static void at91_start_clock(void)
 {
-	clk_enable(hclk);
-	clk_enable(iclk);
-	clk_enable(fclk);
+	clk_prepare_enable(hclk);
+	clk_prepare_enable(iclk);
+	clk_prepare_enable(fclk);
 	clocked = 1;
 }
 
 static void at91_stop_clock(void)
 {
-	clk_disable(fclk);
-	clk_disable(iclk);
-	clk_disable(hclk);
+	clk_disable_unprepare(fclk);
+	clk_disable_unprepare(iclk);
+	clk_disable_unprepare(hclk);
 	clocked = 0;
 }
 
-- 
1.7.9.5

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