linux-kernel - [PATCH] spi: xtensa-xtfpga: fix register endianness

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Message-Id: <1442921523-1265-1-git-send-email-jcmvbkbc@gmail.com>
Date:	Tue, 22 Sep 2015 14:32:03 +0300
From:	Max Filippov <jcmvbkbc@...il.com>
To:	linux-spi@...r.kernel.org
Cc:	Mark Brown <broonie@...nel.org>, linux-xtensa@...ux-xtensa.org,
	linux-kernel@...r.kernel.org, Max Filippov <jcmvbkbc@...il.com>
Subject: [PATCH] spi: xtensa-xtfpga: fix register endianness

XTFPGA SPI controller has native endian registers.
Fix register acessors so that they work in big-endian configurations.

Signed-off-by: Max Filippov <jcmvbkbc@...il.com>
---
 drivers/spi/spi-xtensa-xtfpga.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/spi/spi-xtensa-xtfpga.c b/drivers/spi/spi-xtensa-xtfpga.c
index 2e32ea2..be6155c 100644
--- a/drivers/spi/spi-xtensa-xtfpga.c
+++ b/drivers/spi/spi-xtensa-xtfpga.c
@@ -34,13 +34,13 @@ struct xtfpga_spi {
 static inline void xtfpga_spi_write32(const struct xtfpga_spi *spi,
 				      unsigned addr, u32 val)
 {
-	iowrite32(val, spi->regs + addr);
+	__raw_writel(val, spi->regs + addr);
 }
 
 static inline unsigned int xtfpga_spi_read32(const struct xtfpga_spi *spi,
 					     unsigned addr)
 {
-	return ioread32(spi->regs + addr);
+	return __raw_readl(spi->regs + addr);
 }
 
 static inline void xtfpga_spi_wait_busy(struct xtfpga_spi *xspi)
-- 
1.8.1.4

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