linux-kernel - [PATCH v5 04/11] spi: imx: add function to check for IMX51 family controller

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Message-Id: <1449334629-4715-5-git-send-email-anton.bondarenko.sama@gmail.com>
Date:	Sat,  5 Dec 2015 17:57:02 +0100
From:	Anton Bondarenko <anton.bondarenko.sama@...il.com>
To:	broonie@...nel.org, b38343@...escale.com, s.hauer@...gutronix.de
Cc:	linux-kernel@...r.kernel.org, linux-spi@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	vladimir_zapolskiy@...tor.com, jiada_wang@...tor.com
Subject: [PATCH v5 04/11] spi: imx: add function to check for IMX51 family controller

Similar to other controller type checks add check function for
IMX51. It includes IMX53 and IMX6.

Signed-off-by: Anton Bondarenko <anton.bondarenko.sama@...il.com>
---
 drivers/spi/spi-imx.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index f811f68..363276d 100644
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -122,9 +122,14 @@ static inline int is_imx35_cspi(struct spi_imx_data *d)
 	return d->devtype_data->devtype == IMX35_CSPI;
 }
 
+static inline int is_imx51_ecspi(struct spi_imx_data *d)
+{
+	return d->devtype_data->devtype == IMX51_ECSPI;
+}
+
 static inline unsigned spi_imx_get_fifosize(struct spi_imx_data *d)
 {
-	return (d->devtype_data->devtype == IMX51_ECSPI) ? 64 : 8;
+	return is_imx51_ecspi(d) ? 64 : 8;
 }
 
 #define MXC_SPI_BUF_RX(type)						\
@@ -1199,8 +1204,8 @@ static int spi_imx_probe(struct platform_device *pdev)
 	 * Only validated on i.mx6 now, can remove the constrain if validated on
 	 * other chips.
 	 */
-	if (spi_imx->devtype_data == &imx51_ecspi_devtype_data
-	    && spi_imx_sdma_init(&pdev->dev, spi_imx, master, res))
+	if (is_imx51_ecspi(spi_imx) &&
+	    spi_imx_sdma_init(&pdev->dev, spi_imx, master, res))
 		dev_err(&pdev->dev, "dma setup error,use pio instead\n");
 
 	spi_imx->devtype_data->reset(spi_imx);
-- 
2.6.3

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