From 71e63e748ee6f4bad482b8021386eeb74f6e47f1 Mon Sep 17 00:00:00 2001 From: Ulf Hansson Date: Fri, 4 Nov 2011 08:10:09 +0100 Subject: ARM: 7149/1: spi/pl022: Enable clock in probe Make sure we enable the clock before leaving probe. Signed-off-by: Ulf Hansson Acked-by: Linus Walleij Signed-off-by: Russell King --- drivers/spi/spi-pl022.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'drivers/spi/spi-pl022.c') diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c index f103e470cb6..5559b229919 100644 --- a/drivers/spi/spi-pl022.c +++ b/drivers/spi/spi-pl022.c @@ -2184,6 +2184,12 @@ pl022_probe(struct amba_device *adev, const struct amba_id *id) goto err_clk_prep; } + status = clk_enable(pl022->clk); + if (status) { + dev_err(&adev->dev, "could not enable SSP/SPI bus clock\n"); + goto err_no_clk_en; + } + /* Disable SSP */ writew((readw(SSP_CR1(pl022->virtbase)) & (~SSP_CR1_MASK_SSE)), SSP_CR1(pl022->virtbase)); @@ -2237,6 +2243,8 @@ pl022_probe(struct amba_device *adev, const struct amba_id *id) free_irq(adev->irq[0], pl022); err_no_irq: + clk_disable(pl022->clk); + err_no_clk_en: clk_unprepare(pl022->clk); err_clk_prep: clk_put(pl022->clk); -- cgit v1.2.3