Patch "spi: xtensa-xtfpga: fix register endianness" has been added to the 4.1-stable tree

Patch "spi: xtensa-xtfpga: fix register endianness" has been added to the 4.1-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    spi: xtensa-xtfpga: fix register endianness

to the 4.1-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     spi-xtensa-xtfpga-fix-register-endianness.patch
and it can be found in the queue-4.1 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From b0b4855099e301c8603ea37da9a0103a96c2e0b1 Mon Sep 17 00:00:00 2001
From: Max Filippov <jcmvbkbc@gmail.com>
Date: Tue, 22 Sep 2015 14:32:03 +0300
Subject: spi: xtensa-xtfpga: fix register endianness

From: Max Filippov <jcmvbkbc@gmail.com>

commit b0b4855099e301c8603ea37da9a0103a96c2e0b1 upstream.

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

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/spi/spi-xtensa-xtfpga.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- 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)


Patches currently in stable-queue which might be from jcmvbkbc@gmail.com are

queue-4.1/spi-xtensa-xtfpga-fix-register-endianness.patch