[PATCH v3] i2c: bpmp-tegra: Ignore unknown I2C_M flags

Mikko Perttunen
2021-01-12T10:23:32Z

In order to not to start returning errors when new I2C_M flags are
added, change behavior to just ignore all flags that we don't know
about. This includes the I2C_M_DMA_SAFE flag that already exists.

Cc: stable@vger.kernel.org # v4.19+
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
---
v3:
- Ignore all unknown flags instead of just I2C_M_DMA_SAFE
---
drivers/i2c/busses/i2c-tegra-bpmp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-tegra-bpmp.c b/drivers/i2c/busses/i2c-tegra-bpmp.c
index ec7a7e917edd..c0c7d01473f2 100644
--- a/drivers/i2c/busses/i2c-tegra-bpmp.c
+++ b/drivers/i2c/busses/i2c-tegra-bpmp.c
@@ -80,7 +80,7 @@ static int tegra_bpmp_xlate_flags(u16 flags, u16 *out)
flags &= ~I2C_M_RECV_LEN;
}

- return (flags != 0) ? -EINVAL : 0;
+ return 0;
}

/**
--
2.30.0