mfd: qcom-spmi-pmic: Don't access non-existing registers
Revision ID registers are available only on devices with Slave IDs that are even, so don't make access to unavailable registers. Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org> [sboyd@codeaurora.org: Consider all slave ids that are even] Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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@ -127,7 +127,9 @@ static int pmic_spmi_probe(struct spmi_device *sdev)
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if (IS_ERR(regmap))
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if (IS_ERR(regmap))
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return PTR_ERR(regmap);
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return PTR_ERR(regmap);
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pmic_spmi_show_revid(regmap, &sdev->dev);
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/* Only the first slave id for a PMIC contains this information */
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if (sdev->usid % 2 == 0)
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pmic_spmi_show_revid(regmap, &sdev->dev);
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return of_platform_populate(root, NULL, NULL, &sdev->dev);
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return of_platform_populate(root, NULL, NULL, &sdev->dev);
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}
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}
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