From: <dinguyen@opensource.altera.com>
To: <dan.j.williams@intel.com>
Cc: <dinh.linux@gmail.com>, <vinod.koul@intel.com>,
<dmaengine@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
Dinh Nguyen <dinguyen@opensource.altera.com>
Subject: [PATCH] dmaengine: pl300: enable the clock to PL330 dma
Date: Sun, 3 May 2015 23:28:54 -0500 [thread overview]
Message-ID: <1430713734-12175-1-git-send-email-dinguyen@opensource.altera.com> (raw)
From: Dinh Nguyen <dinguyen@opensource.altera.com>
Turn on the clock to the PL330 DMA if there is a clock node provided.
Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
---
drivers/dma/pl330.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index 0e1f567..82eb641 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -2894,6 +2894,10 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
adev->dev.dma_parms = &pl330->dma_parms;
+ adev->pclk = devm_clk_get(&adev->dev, "apb_pclk");
+ if (adev->pclk)
+ clk_prepare_enable(adev->pclk);
+
/*
* This is the limit for transfers with a buswidth of 1, larger
* buswidths will have larger limits.
--
2.2.1
next reply other threads:[~2015-05-04 4:34 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-04 4:28 dinguyen [this message]
2015-05-04 5:30 ` Krzysztof Kozlowski
2015-05-04 13:28 ` Dinh Nguyen
2015-05-04 13:50 ` Krzysztof Kozlowski
2015-05-04 14:06 ` Dinh Nguyen
2015-05-04 19:52 ` Dinh Nguyen
2015-05-05 3:55 ` Krzysztof Kozlowski
2015-05-05 14:56 ` Dinh Nguyen
2015-05-05 19:22 ` Dinh Nguyen
2015-05-20 20:30 ` Dinh Nguyen
2015-05-21 0:16 ` Krzysztof Kozlowski
2015-05-21 0:35 ` Krzysztof Kozlowski
2015-05-21 16:12 ` Dinh Nguyen
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