linux-kernel - [PATCH v1 08/11] spi: pxa2xx-pci: Drop unneeded checks in lpss_spi

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Date:   Fri, 25 Feb 2022 19:23:47 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-arm-kernel@...ts.infradead.org, linux-spi@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Daniel Mack <daniel@...que.org>,
        Haojian Zhuang <haojian.zhuang@...il.com>,
        Robert Jarzmik <robert.jarzmik@...e.fr>,
        Mark Brown <broonie@...nel.org>
Subject: [PATCH v1 08/11] spi: pxa2xx-pci: Drop unneeded checks in lpss_spi_setup()

All of the LPSS devices are using DMA and set the parameters up,
hence no need to test for that.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/spi/spi-pxa2xx-pci.c | 23 +++++++++--------------
 1 file changed, 9 insertions(+), 14 deletions(-)

diff --git a/drivers/spi/spi-pxa2xx-pci.c b/drivers/spi/spi-pxa2xx-pci.c
index a0f24e811e9f..c041a9288d0c 100644
--- a/drivers/spi/spi-pxa2xx-pci.c
+++ b/drivers/spi/spi-pxa2xx-pci.c
@@ -83,6 +83,7 @@ static void lpss_dma_put_device(void *dma_dev)
 
 static int lpss_spi_setup(struct pci_dev *dev, struct pxa_spi_info *c)
 {
+	struct dw_dma_slave *tx, *rx;
 	struct pci_dev *dma_dev;
 	int ret;
 
@@ -137,21 +138,15 @@ static int lpss_spi_setup(struct pci_dev *dev, struct pxa_spi_info *c)
 	if (ret)
 		return ret;
 
-	if (c->tx_param) {
-		struct dw_dma_slave *slave = c->tx_param;
-
-		slave->dma_dev = &dma_dev->dev;
-		slave->m_master = 0;
-		slave->p_master = 1;
-	}
-
-	if (c->rx_param) {
-		struct dw_dma_slave *slave = c->rx_param;
+	tx = c->tx_param;
+	tx->dma_dev = &dma_dev->dev;
+	tx->m_master = 0;
+	tx->p_master = 1;
 
-		slave->dma_dev = &dma_dev->dev;
-		slave->m_master = 0;
-		slave->p_master = 1;
-	}
+	rx = c->rx_param;
+	rx->dma_dev = &dma_dev->dev;
+	rx->m_master = 0;
+	rx->p_master = 1;
 
 	c->dma_filter = lpss_dma_filter;
 	c->dma_burst_size = 1;
-- 
2.34.1