From: Muhammed Fazal mfazale@nvidia.com
Ignore I2C_M_DMA_SAFE flag as it does not make a difference for bpmp-i2c, but causes -EINVAL to be returned for valid transactions.
Signed-off-by: Muhammed Fazal mfazale@nvidia.com Cc: stable@vger.kernel.org # v4.19+ Signed-off-by: Mikko Perttunen mperttunen@nvidia.com --- v2: - Remove unnecessary check for if the bit is set --- drivers/i2c/busses/i2c-tegra-bpmp.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/i2c/busses/i2c-tegra-bpmp.c b/drivers/i2c/busses/i2c-tegra-bpmp.c index ec7a7e917edd..aa6685cabde3 100644 --- a/drivers/i2c/busses/i2c-tegra-bpmp.c +++ b/drivers/i2c/busses/i2c-tegra-bpmp.c @@ -80,6 +80,8 @@ static int tegra_bpmp_xlate_flags(u16 flags, u16 *out) flags &= ~I2C_M_RECV_LEN; }
+ flags &= ~I2C_M_DMA_SAFE; + return (flags != 0) ? -EINVAL : 0; }