* [PATCH] spi/rockchip: fix endian mode for 16-bit transfers
@ 2016-03-06 10:04 Alexander Kochetkov
0 siblings, 0 replies; only message in thread
From: Alexander Kochetkov @ 2016-03-06 10:04 UTC (permalink / raw)
To: Mark Brown, Heiko Stuebner
Cc: linux-spi-u79uwXL29TY76Z2rM5mHXA,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
linux-kernel-u79uwXL29TY76Z2rM5mHXA, Alexander Kochetkov
16-bit transfers must be in big endian mode on wire.
Signed-off-by: Alexander Kochetkov <al.kochet-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
---
drivers/spi/spi-rockchip.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c
index aa9561f..ef77df7 100644
--- a/drivers/spi/spi-rockchip.c
+++ b/drivers/spi/spi-rockchip.c
@@ -510,7 +510,8 @@ static void rockchip_spi_config(struct rockchip_spi *rs)
int rsd = 0;
u32 cr0 = (CR0_BHT_8BIT << CR0_BHT_OFFSET)
- | (CR0_SSD_ONE << CR0_SSD_OFFSET);
+ | (CR0_SSD_ONE << CR0_SSD_OFFSET)
+ | (CR0_EM_BIG << CR0_EM_OFFSET);
cr0 |= (rs->n_bytes << CR0_DFS_OFFSET);
cr0 |= ((rs->mode & 0x3) << CR0_SCPH_OFFSET);
--
1.7.9.5
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