linux-kernel - [PATCH 15/18] spi/xilinx: Remove iowrite/ioread wrappers

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Date:	Fri, 23 Jan 2015 17:08:47 +0100
From:	Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
To:	Mark Brown <broonie@...nel.org>,
	Michal Simek <michal.simek@...inx.com>,
	Sören Brinkmann <soren.brinkmann@...inx.com>,
	linux-spi@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Cc:	Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
Subject: [PATCH 15/18] spi/xilinx: Remove iowrite/ioread wrappers

Save a stack level and cleanup code.

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
---
 drivers/spi/spi-xilinx.c | 28 ++++------------------------
 1 file changed, 4 insertions(+), 24 deletions(-)

diff --git a/drivers/spi/spi-xilinx.c b/drivers/spi/spi-xilinx.c
index 5d3503a..704613c 100644
--- a/drivers/spi/spi-xilinx.c
+++ b/drivers/spi/spi-xilinx.c
@@ -94,26 +94,6 @@ struct xilinx_spi {
 	void (*write_fn)(u32, void __iomem *);
 };
 
-static void xspi_write32(u32 val, void __iomem *addr)
-{
-	iowrite32(val, addr);
-}
-
-static unsigned int xspi_read32(void __iomem *addr)
-{
-	return ioread32(addr);
-}
-
-static void xspi_write32_be(u32 val, void __iomem *addr)
-{
-	iowrite32be(val, addr);
-}
-
-static unsigned int xspi_read32_be(void __iomem *addr)
-{
-	return ioread32be(addr);
-}
-
 static void xilinx_spi_tx(struct xilinx_spi *xspi)
 {
 	if (!xspi->tx_ptr) {
@@ -391,15 +371,15 @@ static int xilinx_spi_probe(struct platform_device *pdev)
 	 * Setup little endian helper functions first and try to use them
 	 * and check if bit was correctly setup or not.
 	 */
-	xspi->read_fn = xspi_read32;
-	xspi->write_fn = xspi_write32;
+	xspi->read_fn = ioread32;
+	xspi->write_fn = iowrite32;
 
 	xspi->write_fn(XSPI_CR_LOOP, xspi->regs + XSPI_CR_OFFSET);
 	tmp = xspi->read_fn(xspi->regs + XSPI_CR_OFFSET);
 	tmp &= XSPI_CR_LOOP;
 	if (tmp != XSPI_CR_LOOP) {
-		xspi->read_fn = xspi_read32_be;
-		xspi->write_fn = xspi_write32_be;
+		xspi->read_fn = ioread32be;
+		xspi->write_fn = iowrite32be;
 	}
 
 	master->bits_per_word_mask = SPI_BPW_MASK(bits_per_word);
-- 
2.1.4

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