From mboxrd@z Thu Jan 1 00:00:00 1970 From: aisheng.dong@nxp.com (Dong Aisheng) Date: Wed, 12 Apr 2017 09:58:47 +0800 Subject: [PATCH 6/6] regulator: anatop: set default voltage selector for pcie In-Reply-To: <1491962327-12477-1-git-send-email-aisheng.dong@nxp.com> References: <1491962327-12477-1-git-send-email-aisheng.dong@nxp.com> Message-ID: <1491962327-12477-6-git-send-email-aisheng.dong@nxp.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 Cc: Mark Brown Cc: Shawn Guo Cc: Sascha Hauer Cc: Robin Gong Cc: Richard Zhu Signed-off-by: Richard Zhu Signed-off-by: Dong Aisheng --- drivers/regulator/anatop-regulator.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/regulator/anatop-regulator.c b/drivers/regulator/anatop-regulator.c index 6da0b20..910adfd 100644 --- a/drivers/regulator/anatop-regulator.c +++ b/drivers/regulator/anatop-regulator.c @@ -301,6 +301,11 @@ static int anatop_regulator_probe(struct platform_device *pdev) if (!sreg->sel && rdesc->name && !strcmp(rdesc->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; -- 2.7.4