linux-kernel - [PATCH 36/44] staging: regulator: hi6421v600-regulator: initialize ramp

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Date:   Wed, 12 Aug 2020 17:56:46 +0200
From:   Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To:     unlisted-recipients:; (no To-header on input)
Cc:     linuxarm@...wei.com, mauro.chehab@...wei.com,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org
Subject: [PATCH 36/44] staging: regulator: hi6421v600-regulator: initialize ramp_delay

Without that, the regulator's core complains with:

       ldo17: ramp_delay not set

For now, use the enable time, as we don't have any datasheets from
this device.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
 drivers/staging/hikey9xx/hi6421v600-regulator.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/staging/hikey9xx/hi6421v600-regulator.c b/drivers/staging/hikey9xx/hi6421v600-regulator.c
index 5ddaf7f8cacc..21467fce9980 100644
--- a/drivers/staging/hikey9xx/hi6421v600-regulator.c
+++ b/drivers/staging/hikey9xx/hi6421v600-regulator.c
@@ -267,6 +267,9 @@ static int hi6421_spmi_dt_parse(struct platform_device *pdev,
 		return ret;
 	}
 
+	/* FIXME: are there a better value for this? */
+	rdesc->ramp_delay = rdesc->enable_time;
+
 	/* parse .eco_uA */
 	ret = of_property_read_u32(np, "eco-microamp",
 				   &sreg->eco_uA);
-- 
2.26.2