Commit d8a5a922 authored by Andi Shyti's avatar Andi Shyti Committed by Wolfram Sang
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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: default avatarAndi Shyti <andi.shyti@kernel.org>
Reviewed-by: default avatarChris Packham <chris.packham@alliedtelesis.co.nz>
Tested-by: default avatarChris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: default avatarWolfram Sang <wsa@kernel.org>
parent be40a3ae
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+11 −1
Original line number Diff line number Diff line
@@ -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,
				      "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)