Messages in this thread Patch in this message | | | Date | Thu, 19 Apr 2018 15:03:58 +0200 | From | Stefan Potyra <> | Subject | [PATCH] Enable the clock before calling clk_get_rate(). |
| |
Found by Linux Driver Verification project (linuxtesting.org).
Fixes: 142168eba9dc spi: bcm63xx-hsspi: add bcm63xx HSSPI driver Signed-off-by: Stefan Potyra <Stefan.Potyra@elektrobit.com> --- drivers/spi/spi-bcm63xx-hsspi.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/spi/spi-bcm63xx-hsspi.c b/drivers/spi/spi-bcm63xx-hsspi.c index cbcba614b253..46cd9b683d22 100644 --- a/drivers/spi/spi-bcm63xx-hsspi.c +++ b/drivers/spi/spi-bcm63xx-hsspi.c @@ -352,6 +352,10 @@ static int bcm63xx_hsspi_probe(struct platform_device *pdev) if (IS_ERR(clk)) return PTR_ERR(clk); + ret = clk_prepare_enable(clk); + if (ret) + return ret; + rate = clk_get_rate(clk); if (!rate) { struct clk *pll_clk = devm_clk_get(dev, "pll"); @@ -364,10 +368,6 @@ static int bcm63xx_hsspi_probe(struct platform_device *pdev) return -EINVAL; } - ret = clk_prepare_enable(clk); - if (ret) - return ret; - master = spi_alloc_master(&pdev->dev, sizeof(*bs)); if (!master) { ret = -ENOMEM; -- 2.17.0
| |