From: Damien Le Moal <Damien.LeMoal@wdc.com>
To: Saravana Kannan <saravanak@google.com>,
Russell King <linux@armlinux.org.uk>,
Neil Armstrong <narmstrong@baylibre.com>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Magnus Damm <magnus.damm@gmail.com>,
Tony Lindgren <tony@atomide.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Ulf Hansson <ulf.hansson@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
"kernel-team@android.com" <kernel-team@android.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-oxnas@groups.io" <linux-oxnas@groups.io>,
"linux-renesas-soc@vger.kernel.org"
<linux-renesas-soc@vger.kernel.org>,
"linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>,
"linux-riscv@lists.infradead.org"
<linux-riscv@lists.infradead.org>
Subject: Re: [PATCH v4 0/2] Fix simple-bus issues with fw_devlink
Date: Thu, 30 Sep 2021 02:50:15 +0000 [thread overview]
Message-ID: <DM6PR04MB70812E56DB9CB8CDC63C6535E7AA9@DM6PR04MB7081.namprd04.prod.outlook.com> (raw)
In-Reply-To: 20210929000735.585237-1-saravanak@google.com
On 2021/09/29 9:07, Saravana Kannan wrote:
> Ulf reported an issue[1] with fw_devlink. This series tries to fix that
> issue.
>
> I replicated a similar set up on my end and I confirmed:
> - A simple-bus only device is probed.
> - Another device listing simple-bus as a 2nd compatible string isn't
> probed.
>
> v1->v2:
> - Switched to probing the simple-bus device instead of marking it as
> NEVER_PROBES.
>
> v2->v3:
> - Moved all the code into the simple-pm-bus driver
> - Addressed Ulf's comment about the remove() code missing a check.
>
> v3->v4:
> - Added support for driver_override to accommodate the case where new
> transparent bus compatible strings are added to DT, but the kernel hasn't
> been updated yet.
> - Added/updated comments to give more details.
> - Adding Ulf's Tested-by that he have for v3 (v4 didn't change by much).
For riscv Kendryte K210 boards:
Tested-by: Damien Le Moal <damien.lemoal@wdc.com>
>
> Thanks,
> Saravana
> [1] - https://lore.kernel.org/lkml/CAPDyKFo9Bxremkb1dDrr4OcXSpE0keVze94Cm=zrkOVxHHxBmQ@mail.gmail.com/
>
> Cc: Ulf Hansson <ulf.hansson@linaro.org>
> Cc: Geert Uytterhoeven <geert+renesas@glider.be>
> Cc: Rob Herring <robh+dt@kernel.org>
>
> Saravana Kannan (2):
> drivers: bus: simple-pm-bus: Add support for probing simple bus only
> devices
> drivers: bus: Delete CONFIG_SIMPLE_PM_BUS
>
> arch/arm/configs/multi_v7_defconfig | 1 -
> arch/arm/configs/oxnas_v6_defconfig | 1 -
> arch/arm/configs/shmobile_defconfig | 1 -
> arch/arm/mach-omap2/Kconfig | 1 -
> arch/arm64/configs/defconfig | 1 -
> drivers/bus/Kconfig | 12 ---------
> drivers/bus/Makefile | 2 +-
> drivers/bus/simple-pm-bus.c | 42 ++++++++++++++++++++++++++---
> drivers/soc/canaan/Kconfig | 1 -
> 9 files changed, 40 insertions(+), 22 deletions(-)
>
--
Damien Le Moal
Western Digital Research
next prev parent reply other threads:[~2021-09-30 2:50 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-29 0:07 [PATCH v4 0/2] Fix simple-bus issues with fw_devlink Saravana Kannan
2021-09-29 0:07 ` [PATCH v4 1/2] drivers: bus: simple-pm-bus: Add support for probing simple bus only devices Saravana Kannan
2021-10-05 15:07 ` Geert Uytterhoeven
2021-11-10 12:16 ` Abel Vesa
2021-11-10 20:24 ` Saravana Kannan
2021-11-15 20:17 ` Saravana Kannan
2021-11-16 5:19 ` Tony Lindgren
2021-11-16 13:59 ` Abel Vesa
2021-11-16 15:11 ` Abel Vesa
2021-11-19 16:16 ` Abel Vesa
2021-11-24 1:07 ` Saravana Kannan
2022-02-01 3:18 ` Kevin Hilman
2022-02-01 5:30 ` Saravana Kannan
2022-02-01 18:36 ` Kevin Hilman
2022-02-02 19:58 ` Kevin Hilman
2021-09-29 0:07 ` [PATCH v4 2/2] drivers: bus: Delete CONFIG_SIMPLE_PM_BUS Saravana Kannan
2021-10-05 15:11 ` Geert Uytterhoeven
2021-10-21 11:21 ` Amit Pundir
2021-10-21 12:37 ` Tony Lindgren
2021-10-21 23:42 ` Saravana Kannan
2021-10-22 16:59 ` Amit Pundir
2021-10-26 0:30 ` Saravana Kannan
2021-10-26 17:49 ` Amit Pundir
2021-09-30 2:50 ` Damien Le Moal [this message]
2021-10-06 5:29 ` [PATCH v4 0/2] Fix simple-bus issues with fw_devlink Tony Lindgren
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