From: Muhammed Fazal <mfaz...@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 <mfaz...@nvidia.com>
Cc: sta...@vger.kernel.org # v4.19+
Signed-off-by: Mikko Perttunen <mperttu...@nvidia.com>
---
This fixes failures seen with PMIC probing tools on
Tegra186+ boards.
drivers/i2c/busses/i2c-tegra-bpmp.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/i2c/busses/i2c-tegra-bpmp.c
b/drivers/i2c/busses/i2c-tegra-bpmp.c
index ec7a7e917edd..998d4b21fb59 100644
--- a/drivers/i2c/busses/i2c-tegra-bpmp.c
+++ b/drivers/i2c/busses/i2c-tegra-bpmp.c
@@ -80,6 +80,9 @@ static int tegra_bpmp_xlate_flags(u16 flags, u16 *out)
flags &= ~I2C_M_RECV_LEN;
}
+ if (flags & I2C_M_DMA_SAFE)
+ flags &= ~I2C_M_DMA_SAFE;
+
return (flags != 0) ? -EINVAL : 0;
}
--
2.30.0
