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path: root/target/linux/brcm63xx/patches-3.8/005-spi-bcm63xx-properly-prepare-clocks-before-enabling-.patch
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From e504d3ed9b35f43e61cf239b103667d87cd7bf3c Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jogo@openwrt.org>
Date: Mon, 10 Sep 2012 01:26:55 +0200
Subject: [PATCH 03/12] spi/bcm63xx: properly prepare clocks before enabling
 them

Use proper clk_prepare/unprepare calls in preparation for switching
to the generic clock framework.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>
---
 drivers/spi/spi-bcm63xx.c |   10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

--- a/drivers/spi/spi-bcm63xx.c
+++ b/drivers/spi/spi-bcm63xx.c
@@ -493,7 +493,7 @@ static int bcm63xx_spi_probe(struct plat
 	}
 
 	/* Initialize hardware */
-	clk_enable(bs->clk);
+	clk_prepare_enable(bs->clk);
 	bcm_spi_writeb(bs, SPI_INTR_CLEAR_ALL, SPI_INT_STATUS);
 
 	/* register and we are done */
@@ -509,7 +509,7 @@ static int bcm63xx_spi_probe(struct plat
 	return 0;
 
 out_clk_disable:
-	clk_disable(clk);
+	clk_disable_unprepare(clk);
 out_err:
 	platform_set_drvdata(pdev, NULL);
 	spi_master_put(master);
@@ -530,7 +530,7 @@ static int bcm63xx_spi_remove(struct pla
 	bcm_spi_writeb(bs, 0, SPI_INT_MASK);
 
 	/* HW shutdown */
-	clk_disable(bs->clk);
+	clk_disable_unprepare(bs->clk);
 	clk_put(bs->clk);
 
 	platform_set_drvdata(pdev, 0);
@@ -549,7 +549,7 @@ static int bcm63xx_spi_suspend(struct de
 
 	spi_master_suspend(master);
 
-	clk_disable(bs->clk);
+	clk_disable_unprepare(bs->clk);
 
 	return 0;
 }
@@ -560,7 +560,7 @@ static int bcm63xx_spi_resume(struct dev
 			platform_get_drvdata(to_platform_device(dev));
 	struct bcm63xx_spi *bs = spi_master_get_devdata(master);
 
-	clk_enable(bs->clk);
+	clk_prepare_enable(bs->clk);
 
 	spi_master_resume(master);