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Commit 9d31821f authored by Srinivas Kandagatla's avatar Srinivas Kandagatla Committed by Vinod Koul
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dmaengine: qcom: bam_dma: make bam clk optional 



When BAM is remotely controlled it does not sound correct to control
its clk on Linux side. Make it optional, so that its not mandatory
for remote controlled BAM instances.

Signed-off-by: default avatarSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 7928b2cb

drivers/dma/qcom/bam_dma.c

+6 −2
Original line number Diff line number Diff line
@@ -1233,9 +1233,13 @@ static int bam_dma_probe(struct platform_device *pdev) 
						"qcom,controlled-remotely");



	bdev->bamclk = devm_clk_get(bdev->dev, "bam_clk");

	if (IS_ERR(bdev->bamclk))

	if (IS_ERR(bdev->bamclk)) {

		if (!bdev->controlled_remotely)

			return PTR_ERR(bdev->bamclk);



		bdev->bamclk = NULL;

	}



	ret = clk_prepare_enable(bdev->bamclk);

	if (ret) {

		dev_err(bdev->dev, "failed to prepare/enable clock\n");