From: Iaroslav Gridin <voker57@gmail.com>
To: vinod.koul@intel.com
Cc: dan.j.williams@intel.com, andy.gross@linaro.org,
stanimir.varbanov@linaro.org, pramod.gurav@linaro.org,
arnd@arndb.de, okaya@codeaurora.org, dmaengine@vger.kernel.org,
linux-kernel@vger.kernel.org, Voker57 <voker57@gmail.com>
Subject: [PATCH] dma: qcom: Add initialization of axi and core clocks
Date: Tue, 30 Aug 2016 18:42:23 +0300 [thread overview]
Message-ID: <20160830154223.15129-1-voker57@gmail.com> (raw)
From: Voker57 <voker57@gmail.com>
These initialization are missing and causing bam not to init
Signed-off-by: Iaroslav Gridin <voker57@gmail.com>
---
drivers/dma/qcom/bam_dma.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/drivers/dma/qcom/bam_dma.c b/drivers/dma/qcom/bam_dma.c
index 03c4eb3..faae0c8 100644
--- a/drivers/dma/qcom/bam_dma.c
+++ b/drivers/dma/qcom/bam_dma.c
@@ -395,6 +395,8 @@ struct bam_device {
const struct reg_offset_data *layout;
struct clk *bamclk;
+ struct clk *axi_clk;
+ struct clk *core_clk;
int irq;
/* dma start transaction tasklet */
@@ -1189,6 +1191,25 @@ static int bam_dma_probe(struct platform_device *pdev)
return ret;
}
+ bdev->axi_clk = devm_clk_get(bdev->dev, "axi_clk");
+ if (IS_ERR(bdev->axi_clk))
+ bdev->axi_clk = NULL;
+
+ ret = clk_prepare_enable(bdev->axi_clk);
+ if (ret) {
+ dev_err(bdev->dev, "failed to prepare/enable axi clock\n");
+ return ret;
+ }
+
+ bdev->core_clk = devm_clk_get(bdev->dev, "core_clk");
+ if (IS_ERR(bdev->core_clk))
+ bdev->core_clk = NULL;
+
+ ret = clk_prepare_enable(bdev->core_clk);
+ if (ret) {
+ dev_err(bdev->dev, "failed to prepare/enable core clock\n");
+ return ret;
+ }
ret = bam_init(bdev);
if (ret)
goto err_disable_clk;
--
2.9.3
next reply other threads:[~2016-08-30 15:43 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-30 15:42 Iaroslav Gridin [this message]
2016-09-07 13:48 ` [PATCH] dma: qcom: Add initialization of axi and core clocks Stanimir Varbanov
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