From 0d9b5ccb4430b2a66848647553940eb2ccab6a15 Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Tue, 24 Sep 2019 11:51:16 +0300 Subject: [PATCH] dmaengine: dw: platform: Mark 'hclk' clock optional On some platforms the clock can be fixed rate, always running one and there is no need to do anything with it. In order to support those platforms, switch to use optional clock. Fixes: 984a60dbae4e ("dmaengine: dw: platform: Enable iDMA 32-bit on Intel Elkhart Lake") Depends-on: ec732d940c2c ("clk: Add (devm_)clk_get_optional() functions") Signed-off-by: Andy Shevchenko Acked-by: Viresh Kumar Link: https://lore.kernel.org/r/20190924085116.83683-1-andriy.shevchenko@linux.intel.com Signed-off-by: Vinod Koul --- drivers/dma/dw/platform.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/dma/dw/platform.c b/drivers/dma/dw/platform.c index c90c798e5ec34..0585d749d935c 100644 --- a/drivers/dma/dw/platform.c +++ b/drivers/dma/dw/platform.c @@ -66,7 +66,7 @@ static int dw_probe(struct platform_device *pdev) data->chip = chip; - chip->clk = devm_clk_get(chip->dev, "hclk"); + chip->clk = devm_clk_get_optional(chip->dev, "hclk"); if (IS_ERR(chip->clk)) return PTR_ERR(chip->clk); err = clk_prepare_enable(chip->clk); -- 2.39.5