linux-kernel - [PATCH 1/4] i2c: at91: Use dma_request_chan() directly for channel request

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Date:   Wed, 13 Nov 2019 11:22:32 +0200
From:   Peter Ujfalusi <peter.ujfalusi@...com>
To:     <ludovic.desroches@...rochip.com>, <agross@...nel.org>,
        <wsa+renesas@...g-engineering.com>, <ldewangan@...dia.com>
CC:     <vkoul@...nel.org>, <linux-i2c@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-arm-msm@...r.kernel.org>, <digetx@...il.com>,
        <linux-tegra@...r.kernel.org>, <thierry.reding@...il.com>,
        <jonathanh@...dia.com>, <nicolas.ferre@...rochip.com>,
        <alexandre.belloni@...tlin.com>, <bjorn.andersson@...aro.org>
Subject: [PATCH 1/4] i2c: at91: Use dma_request_chan() directly for channel request

dma_request_slave_channel_reason() is:
#define dma_request_slave_channel_reason(dev, name) \
	dma_request_chan(dev, name)

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...com>
---
 drivers/i2c/busses/i2c-at91-master.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/i2c/busses/i2c-at91-master.c b/drivers/i2c/busses/i2c-at91-master.c
index 6e0b554dcd4e..7a862e00b475 100644
--- a/drivers/i2c/busses/i2c-at91-master.c
+++ b/drivers/i2c/busses/i2c-at91-master.c
@@ -758,14 +758,14 @@ static int at91_twi_configure_dma(struct at91_twi_dev *dev, u32 phy_addr)
 	slave_config.dst_maxburst = 1;
 	slave_config.device_fc = false;
 
-	dma->chan_tx = dma_request_slave_channel_reason(dev->dev, "tx");
+	dma->chan_tx = dma_request_chan(dev->dev, "tx");
 	if (IS_ERR(dma->chan_tx)) {
 		ret = PTR_ERR(dma->chan_tx);
 		dma->chan_tx = NULL;
 		goto error;
 	}
 
-	dma->chan_rx = dma_request_slave_channel_reason(dev->dev, "rx");
+	dma->chan_rx = dma_request_chan(dev->dev, "rx");
 	if (IS_ERR(dma->chan_rx)) {
 		ret = PTR_ERR(dma->chan_rx);
 		dma->chan_rx = NULL;
-- 
Peter

Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki