From: Shawn Guo <shawnguo@kernel.org>
To: Stephen Boyd <sboyd@codeaurora.org>
Cc: Kiran Gunda <kgunda@codeaurora.org>,
gregkh@linuxfoundation.org, Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Abhijeet Dharmapurikar <adharmap@codeaurora.org>,
David Collins <collinsd@codeaurora.org>,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-msm@vger.kernel.org,
linux-arm-msm-owner@vger.kernel.org
Subject: Re: [PATCH V2] spmi: pmic-arb: Enforce the ownership check optionally
Date: Thu, 24 Aug 2017 20:18:20 +0800 [thread overview]
Message-ID: <20170824121818.GE3685@dragon> (raw)
In-Reply-To: <20170822203132.GC21656@codeaurora.org>
On Tue, Aug 22, 2017 at 01:31:32PM -0700, Stephen Boyd wrote:
> Also, I see that on v4.13-rc series the read/write checks are
> causing the led driver to fail in a different way:
>
> spmi spmi-0: error: impermissible write to peripheral sid:0 addr:0xc040
> qcom-spmi-gpio 200f000.spmi:pm8916@0:gpios@c000: write 0x40 failed
> leds-gpio soc:leds: Error applying setting, reverse things back
> spmi spmi-0: error: impermissible write to peripheral sid:0 addr:0xc041
> qcom-spmi-gpio 200f000.spmi:pm8916@0:gpios@c000: write 0x41 failed
> leds-gpio: probe of soc:leds failed with error -1
>
> Are you seeing similar behavior?
Yes. I forgot to mention that, and leds-gpio failure is gone after
applying Kiran's patch below.
spmi: pmic-arb: remove the read/write access checks
Shawn
next prev parent reply other threads:[~2017-08-24 12:18 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-18 15:28 [PATCH V2] spmi: pmic-arb: Enforce the ownership check optionally Kiran Gunda
2017-08-21 23:18 ` Stephen Boyd
2017-08-22 8:55 ` Shawn Guo
2017-08-22 20:31 ` Stephen Boyd
2017-08-23 12:57 ` kgunda
2017-08-24 12:18 ` Shawn Guo [this message]
2017-08-24 18:37 ` Stephen Boyd
2017-08-25 7:47 ` Shawn Guo
2017-08-25 23:18 ` Stephen Boyd
2017-08-26 3:46 ` Shawn Guo
2017-08-30 21:02 ` Stephen Boyd
2017-08-31 8:37 ` Shawn Guo
2017-09-01 1:30 ` Stephen Boyd
2017-09-01 3:00 ` Shawn Guo
2017-08-28 8:27 ` Fenglin Wu
2017-08-28 14:47 ` Shawn Guo
2017-08-22 9:01 ` Shawn Guo
2017-08-28 11:53 ` Greg KH
2017-08-28 14:08 ` Shawn Guo
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