linux-kernel - Re: [PATCH] regulator: qcom_spmi: Add slewing delays for all SMPS types

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Message-ID: <20160330180933.5175.90898@sboyd-linaro>
Date:	Wed, 30 Mar 2016 11:09:33 -0700
From:	Stephen Boyd <stephen.boyd@...aro.org>
To:	Georgi Djakov <georgi.djakov@...aro.org>,
	"Mark Brown" <broonie@...nel.org>
Cc:	linux-arm@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-arm-msm@...r.kernel.org,
	"David Collins" <collinsd@...eaurora.org>
Subject: Re: [PATCH] regulator: qcom_spmi: Add slewing delays for all SMPS types

Quoting Georgi Djakov (2016-03-30 07:36:11)
> On 03/30/2016 01:58 AM, Stephen Boyd wrote:
> > Only the FT SMPS type regulators have slewing supported in the
> > driver, but all types of SMPS regulators need the same support.
> > The only difference is that some SMPS regulators don't have a
> > step size and the step delay is typically 20, not 8. Luckily, the
> > step size reads as 0 for the non-FT types, so we can always read
> > that, but we need to detect which type of regulator we're using
> > to figure out what step delay to use. Make these minor
> > adjustments to the slew rate calculations and add support for the
> > delay function to the appropriate regulator ops.
> > 
> > Reported-by: Georgi Djakov <georgi.djakov@...aro.org>
> > Cc: David Collins <collinsd@...eaurora.org>
> > Signed-off-by: Stephen Boyd <stephen.boyd@...aro.org>
> 
> Thanks for the patch! I have verified it by applying this one
> on top: https://lkml.org/lkml/2016/3/30/381
> 
> Tested-by: Georgi Djakov <georgi.djakov@...aro.org>
> 

Thanks for testing. I'll pick up the rest on the other thread.