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net: ks8851-ml: Fix 16-bit data access

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[ Upstream commit edacb098ea9c31589276152f09b4439052c0f2b1 ]

The packet data written to and read from Micrel KSZ8851-16MLLI must be
byte-swapped in 16-bit mode, add this byte-swapping.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: David S. Miller <davem@davemloft.net>
Cc: Lukas Wunner <lukas@wunner.de>
Cc: Petr Stetiar <ynezz@true.cz>
Cc: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Marek Vasut 2020-02-15 17:54:18 +01:00 committed by Greg Kroah-Hartman
parent 9808a47549
commit 77e7fcdbd0
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/micrel/ks8851_mll.c
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@ -515,7 +515,7 @@ static inline void ks_inblk(struct ks_net *ks, u16 *wptr, u32 len)
{
len >>= 1;
while (len--)
*wptr++ = (u16)ioread16(ks->hw_addr);
*wptr++ = be16_to_cpu(ioread16(ks->hw_addr));
}
/**
@ -529,7 +529,7 @@ static inline void ks_outblk(struct ks_net *ks, u16 *wptr, u32 len)
{
len >>= 1;
while (len--)
iowrite16(*wptr++, ks->hw_addr);
iowrite16(cpu_to_be16(*wptr++), ks->hw_addr);
}
static void ks_disable_int(struct ks_net *ks)