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regulator: qcom_spmi: Keep trying to add regulators if read fails

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On some designs, a handful of the regulators can't be read via
SPMI transactions because they're "secure" and not intended to be
touched by non-secure processors. This driver unconditionally
attempts to read the id registers of all the regulators though,
leading to probe failing and no regulators being registered.
Let's ignore any errors from failing to read the registers and
keep adding other regulators so that this driver can probe on
such devices.

Signed-off-by: Stephen Boyd <stephen.boyd@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Stephen Boyd 2016-03-25 14:35:09 -07:00 committed by Mark Brown
parent 50314e55a1
commit 6ee5c04407
1 changed files with 2 additions and 2 deletions
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4
drivers/regulator/qcom_spmi-regulator.c
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@ -1201,7 +1201,7 @@ static int spmi_regulator_match(struct spmi_regulator *vreg, u16 force_type)
ret = spmi_vreg_read(vreg, SPMI_COMMON_REG_DIG_MAJOR_REV, version,
ARRAY_SIZE(version));
if (ret) {
dev_err(vreg->dev, "could not read version registers\n");
dev_dbg(vreg->dev, "could not read version registers\n");
return ret;
}
dig_major_rev = version[SPMI_COMMON_REG_DIG_MAJOR_REV
@ -1624,7 +1624,7 @@ static int qcom_spmi_regulator_probe(struct platform_device *pdev)
ret = spmi_regulator_match(vreg, reg->force_type);
if (ret)
goto err;
continue;
config.dev = dev;
config.driver_data = vreg;