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| author | Andi Shyti <andi.shyti@kernel.org> | 2023-03-18 02:33:38 +0300 |
|---|---|---|
| committer | Wolfram Sang <wsa@kernel.org> | 2023-03-29 22:08:34 +0300 |
| commit | d8a5a922d5268bec9bff0ed6d19bc84228d4910e (patch) | |
| tree | 99dd881f1b4cb18783913e541d5eed4f03cd9cce /drivers/i2c/busses/i2c-mpc.c | |
| parent | be40a3ae719f406069cb4a0f59332dac51850d2a (diff) | |
| download | linux-d8a5a922d5268bec9bff0ed6d19bc84228d4910e.tar.xz | |
i2c: mpc: Use i2c-scl-clk-low-timeout-us i2c property
"fsl,timeout" is marked as deprecated and replaced by the
"i2c-scl-clk-low-timeout-us" i2c property.
Use this latter and, in case it is missing, for back
compatibility, check whether we still have "fsl,timeout" defined.
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Tested-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Diffstat (limited to 'drivers/i2c/busses/i2c-mpc.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-mpc.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c index 02baba2284e2..cfd074ee6d54 100644 --- a/drivers/i2c/busses/i2c-mpc.c +++ b/drivers/i2c/busses/i2c-mpc.c @@ -843,8 +843,18 @@ static int fsl_i2c_probe(struct platform_device *op) mpc_i2c_setup_8xxx(op->dev.of_node, i2c, clock); } + /* + * "fsl,timeout" has been marked as deprecated and, to maintain + * backward compatibility, we will only look for it if + * "i2c-scl-clk-low-timeout-us" is not present. + */ result = of_property_read_u32(op->dev.of_node, - "fsl,timeout", &mpc_ops.timeout); + "i2c-scl-clk-low-timeout-us", + &mpc_ops.timeout); + if (result == -EINVAL) + result = of_property_read_u32(op->dev.of_node, + "fsl,timeout", &mpc_ops.timeout); + if (!result) { mpc_ops.timeout *= HZ / 1000000; if (mpc_ops.timeout < 5) |