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regulator: anatop: allow regulator to be in bypass mode 

Bypass support was added in commit d38018f201 ("regulator: anatop: Add
bypass support to digital LDOs"). A check for valid voltage selectors was
added in commit da0607c8df ("regulator: anatop: Fail on invalid voltage
selector") but it also discards all regulators that are in bypass mode. Add
check for the bypass setting. Errors below were seen on a Variscite mx6
board.

anatop_regulator 20c8000.anatop:regulator-vddcore@140: Failed to read a valid default voltage selector.
anatop_regulator: probe of 20c8000.anatop:regulator-vddcore@140 failed with error -22
anatop_regulator 20c8000.anatop:regulator-vddsoc@140: Failed to read a valid default voltage selector.
anatop_regulator: probe of 20c8000.anatop:regulator-vddsoc@140 failed with error -22

Fixes: da0607c8df ("regulator: anatop: Fail on invalid voltage selector")
Signed-off-by: Mika Båtsman <mbatsman@mvista.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
steinar/wifi_calib_4_9_kernel
Mika Båtsman 2016-06-17 13:31:37 +03:00 committed by Mark Brown
parent 1a695a905c
commit 8a092e682f
1 changed files with 1 additions and 1 deletions
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2
drivers/regulator/anatop-regulator.c
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@ -296,7 +296,7 @@ static int anatop_regulator_probe(struct platform_device *pdev)
if (!sreg->sel && !strcmp(sreg->name, "vddpu"))
sreg->sel = 22;
if (!sreg->sel) {
if (!sreg->bypass && !sreg->sel) {
dev_err(&pdev->dev, "Failed to read a valid default voltage selector.\n");
return -EINVAL;
}