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hwmon: (mr75203) skip reset-control deassert for SOCs that don't support it

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Don't fail the probe function and don't deassert the reset controller if
a "reset" property doesn't exist in the device tree.

Change is done for SOCs that don't support a reset controller.

Signed-off-by: Eliav Farber <farbere@amazon.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220908152449.35457-10-farbere@amazon.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Eliav Farber 2022-09-08 15:24:37 +00:00 committed by Guenter Roeck
parent 5b5e91652e
commit 493372f5d3
1 changed files with 7 additions and 4 deletions
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11
drivers/hwmon/mr75203.c
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@ -541,14 +541,17 @@ static int mr75203_probe(struct platform_device *pdev)
return ret;
}
pvt->rst = devm_reset_control_get_exclusive(dev, NULL);
pvt->rst = devm_reset_control_get_optional_exclusive(dev, NULL);
if (IS_ERR(pvt->rst))
return dev_err_probe(dev, PTR_ERR(pvt->rst),
"failed to get reset control\n");
ret = pvt_reset_control_deassert(dev, pvt);
if (ret)
return dev_err_probe(dev, ret, "cannot deassert reset control\n");
if (pvt->rst) {
ret = pvt_reset_control_deassert(dev, pvt);
if (ret)
return dev_err_probe(dev, ret,
"cannot deassert reset control\n");
}
ret = regmap_read(pvt->c_map, PVT_IP_CONFIG, &val);
if(ret < 0)