From: Anand Moon <linux.amoon@gmail.com>
To: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Sylwester Nawrocki <s.nawrocki@samsung.com>,
devicetree <devicetree@vger.kernel.org>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
linux-samsung-soc@vger.kernel.org,
Linux Kernel <linux-kernel@vger.kernel.org>,
"open list:COMMON CLK FRAMEWORK" <linux-clk@vger.kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Chanwoo Choi <cw00.choi@samsung.com>,
Stephen Boyd <sboyd@kernel.org>,
Marek Szyprowski <m.szyprowski@samsung.com>
Subject: Re: [PATCHv1 0/2] Add FSYS2 power domain for MMC driver
Date: Thu, 13 Feb 2020 18:58:51 +0530 [thread overview]
Message-ID: <CANAwSgR+PFiE0=FEhDY__FDx+470pe0OsbUXcSG64JDuG++ccQ@mail.gmail.com> (raw)
In-Reply-To: <20200213101744.GA11087@kozik-lap>
hi Krzysztof,
On Thu, 13 Feb 2020 at 15:47, Krzysztof Kozlowski <krzk@kernel.org> wrote:
>
> On Wed, Feb 12, 2020 at 12:02:35PM +0000, Anand Moon wrote:
> > This patches add the power domain for MMC driver,
> > but somehow the suspend/resume feature is broken
> > so any input on how to fix this.
>
> I think S2R was working on XU3-family after Marek's fixes, so you mean
> that these patches break it?
>
Yes I my testing mmc driver failed to come up after suspend.
But I see below in power domain, Just to confirm.
# cat /sys/kernel/debug/pm_genpd/pm_genpd_summary
domain status slaves
/device runtime status
----------------------------------------------------------------------
CAM off-0
FSYS2 on
/devices/platform/soc/10010000.clock-controller/exynos5-subcmu.6.auto
active
/devices/platform/soc/12200000.mmc active
/devices/platform/soc/12220000.mmc active
# powerdebug -d
FSYS2:
current_state: on
active_time: 29016991 ms
total_idle_time: 4037 ms
Idle States:
State Time
S0 4037
Devices:
/devices/platform/soc/10010000.clock-controller/exynos5-subcmu.6.auto
/devices/platform/soc/12200000.mmc
/devices/platform/soc/12220000.mmc
> Best regards,
> Krzysztof
>
>
-Anand
> >
> > Also on similar lines I tried to add power domain
> > FSYS for usb3 and usb2 nodes but this time
> > it failed to load the kernel, so how can I reslove
> > this issue.
> >
> > -Anand
> >
> > Anand Moon (2):
> > ARM: dts: exynos: Add FSYS2 power domain to Exynos542x
> > clk: samsung: exynos542x: Move FSYS2 subsystem clocks to its sub-CMU
> >
> > arch/arm/boot/dts/exynos5420.dtsi | 10 ++++++++++
> > drivers/clk/samsung/clk-exynos5420.c | 24 +++++++++++++++++++++---
> > 2 files changed, 31 insertions(+), 3 deletions(-)
> >
> > --
> > 2.25.0
> >
next prev parent reply other threads:[~2020-02-13 13:29 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-12 12:02 [PATCHv1 0/2] Add FSYS2 power domain for MMC driver Anand Moon
2020-02-12 12:02 ` [PATCHv1 1/2] ARM: dts: exynos: Add FSYS2 power domain to Exynos542x Anand Moon
2020-02-12 12:02 ` [PATCHv1 2/2] clk: samsung: exynos542x: Move FSYS2 subsystem clocks to its sub-CMU Anand Moon
2020-02-13 10:17 ` [PATCHv1 0/2] Add FSYS2 power domain for MMC driver Krzysztof Kozlowski
2020-02-13 13:28 ` Anand Moon [this message]
2020-02-13 15:43 ` Krzysztof Kozlowski
2020-02-24 5:49 ` Anand Moon
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