Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.9 010/177] regulator: anatop: set default voltage selector for pcie | Date | Fri, 23 Mar 2018 10:52:18 +0100 |
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4.9-stable review patch. If anyone has any objections, please let me know.
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From: Dong Aisheng <aisheng.dong@nxp.com>
[ Upstream commit 9bf944548169f6153c3d3778cf983cb5db251a0e ]
Set the initial voltage selector for vddpcie in case it's disabled by default.
This fixes the below warning: 20c8000.anatop:regulator-vddpcie: Failed to read a valid default voltage selector. anatop_regulator: probe of 20c8000.anatop:regulator-vddpcie failed with error -22
Cc: Liam Girdwood <lgirdwood@gmail.com> Cc: Mark Brown <broonie@kernel.org> Cc: Shawn Guo <shawnguo@kernel.org> Cc: Sascha Hauer <kernel@pengutronix.de> Cc: Robin Gong <yibin.gong@nxp.com> Cc: Richard Zhu <hongxing.zhu@nxp.com> Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com> Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com> Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/regulator/anatop-regulator.c | 5 +++++ 1 file changed, 5 insertions(+)
--- a/drivers/regulator/anatop-regulator.c +++ b/drivers/regulator/anatop-regulator.c @@ -296,6 +296,11 @@ static int anatop_regulator_probe(struct if (!sreg->sel && !strcmp(sreg->name, "vddpu")) sreg->sel = 22; + /* set the default voltage of the pcie phy to be 1.100v */ + if (!sreg->sel && rdesc->name && + !strcmp(rdesc->name, "vddpcie")) + sreg->sel = 0x10; + if (!sreg->bypass && !sreg->sel) { dev_err(&pdev->dev, "Failed to read a valid default voltage selector.\n"); return -EINVAL;
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