linux-kernel - Re: [PATCH 00/11] mmc: Minor cleanups and compile test

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Date:   Fri, 11 Sep 2020 08:00:32 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Rob Herring <robh@...nel.org>
Cc:     Ulf Hansson <ulf.hansson@...aro.org>,
        Neil Armstrong <narmstrong@...libre.com>,
        Al Cooper <alcooperx@...il.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Paul Cercueil <paul@...pouillou.net>,
        Thierry Reding <thierry.reding@...il.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Kevin Hilman <khilman@...libre.com>,
        Steen Hegelund <Steen.Hegelund@...rochip.com>,
        Michal Simek <michal.simek@...inx.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Jaehoon Chung <jh80.chung@...sung.com>,
        BCM Kernel Feedback <bcm-kernel-feedback-list@...adcom.com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Arnd Bergmann <arnd@...db.de>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Ray Jui <rjui@...adcom.com>,
        "moderated list:BROADCOM BCM2835 ARM ARCHITECTURE" 
        <linux-rpi-kernel@...ts.infradead.org>,
        linux-tegra <linux-tegra@...r.kernel.org>,
        "open list:ARM/Amlogic Meson..." <linux-amlogic@...ts.infradead.org>,
        Lars Povlsen <lars.povlsen@...rochip.com>,
        Scott Branden <sbranden@...adcom.com>,
        "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Microchip Linux Driver Support <UNGLinuxDriver@...rochip.com>,
        Jun Nie <jun.nie@...aro.org>, Shawn Guo <shawnguo@...nel.org>,
        Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
Subject: Re: [PATCH 00/11] mmc: Minor cleanups and compile test

On Fri, 11 Sep 2020 at 00:55, Rob Herring <robh@...nel.org> wrote:
>
> On Thu, Sep 3, 2020 at 2:40 AM Ulf Hansson <ulf.hansson@...aro.org> wrote:
> >
> > On Wed, 2 Sep 2020 at 21:37, Krzysztof Kozlowski <krzk@...nel.org> wrote:
> > >
> > > Hi,
> > >
> > > Set of minor cleanups.  Patches requiring more attention:
> > >  - 6/11: Testing and review would be appreciated,
> > >  - 11/11: I build tested multiple architectures but not all and
> > >    definitely no all possible configs. This one could sit on the lists
> > >    for few days so 0-day would try it.
> > >
> > > Best regards,
> > > Krzysztof
> > >
> > > Krzysztof Kozlowski (11):
> > >   mmc: bcm2835: Simplify with dev_err_probe()
> > >   mmc: davinci: Simplify with dev_err_probe()
> > >   mmc: dw_mmc-zx: Simplify with dev_err_probe()
> > >   mmc: jz4740: Simplify with dev_err_probe()
> > >   mmc: meson: Simplify with dev_err_probe()
> > >   mmc: sdhci-brcmstb: Simplify with optional clock and dev_err_probe()
> > >   mmc: sdhci-of-arasan: Simplify with dev_err_probe()
> > >   mmc: sdhci-tegra: Simplify with dev_err_probe()
> > >   mmc: dw_mmc: Simplify with dev_err_probe()
> > >   mmc: sdhci-of-sparx5: Use proper printk format for dma_addr_t
> > >   mmc: host: Enable compile testing of multiple drivers
> > >
> > >  drivers/mmc/host/Kconfig           | 42 ++++++++++++++++--------------
> > >  drivers/mmc/host/bcm2835.c         |  4 +--
> > >  drivers/mmc/host/davinci_mmc.c     |  5 ++--
> > >  drivers/mmc/host/dw_mmc-zx.c       | 11 +++-----
> > >  drivers/mmc/host/dw_mmc.c          |  9 +++----
> > >  drivers/mmc/host/jz4740_mmc.c      |  5 ++--
> > >  drivers/mmc/host/meson-gx-mmc.c    | 16 ++++--------
> > >  drivers/mmc/host/sdhci-brcmstb.c   | 12 ++++-----
> > >  drivers/mmc/host/sdhci-of-arasan.c |  7 +++--
> > >  drivers/mmc/host/sdhci-of-sparx5.c |  4 +--
> > >  drivers/mmc/host/sdhci-tegra.c     |  7 ++---
> > >  11 files changed, 51 insertions(+), 71 deletions(-)
> > >
> > > --
> > > 2.17.1
> > >
> >
> > Series applied for next, except 11, thanks!
>
> I see there's a bunch of these already, but I think we can do better
> here than dev_err_probe. We have _optional variants for the case not
> getting a resource is not an error. So the called functions like
> devm_clk_get can print an error. We already have this for
> platform_get_irq along with a coccinelle script to fix cases. I have a
> WIP branch[1] doing this.

That's quite good idea.

Best regards,
Krzysztof