From: Jonas Gorski <jogo@openwrt.org>
Date: Tue, 17 Dec 2013 20:44:46 +0000 (+0100)
Subject: spi/bcm63xx-hsspi: check result of clk_prepare_enable
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=dea5de1b37c08bc8a028b6a53145b7594ba6eb31;p=openwrt%2Fstaging%2Fblogic.git

spi/bcm63xx-hsspi: check result of clk_prepare_enable

Ensure we notice if the clock cannot be enabled for any reason and pass
the error down.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
---

diff --git a/drivers/spi/spi-bcm63xx-hsspi.c b/drivers/spi/spi-bcm63xx-hsspi.c
index 6a763a8a8a5e..949dfb57fe89 100644
--- a/drivers/spi/spi-bcm63xx-hsspi.c
+++ b/drivers/spi/spi-bcm63xx-hsspi.c
@@ -351,7 +351,9 @@ static int bcm63xx_hsspi_probe(struct platform_device *pdev)
 	if (!rate)
 		return -EINVAL;
 
-	clk_prepare_enable(clk);
+	ret = clk_prepare_enable(clk);
+	if (ret)
+		return ret;
 
 	master = spi_alloc_master(&pdev->dev, sizeof(*bs));
 	if (!master) {