[v16, 0/7] Fix eSDHC host version register bug
Y.B. Lu
yangbo.lu at nxp.com
Thu Nov 10 15:11:10 AEDT 2016
> -----Original Message-----
> From: Y.B. Lu
> Sent: Thursday, November 10, 2016 12:06 PM
> To: 'Scott Wood'; Ulf Hansson
> Cc: linux-mmc; Arnd Bergmann; linuxppc-dev at lists.ozlabs.org;
> devicetree at vger.kernel.org; linux-arm-kernel at lists.infradead.org; linux-
> kernel at vger.kernel.org; linux-clk; iommu at lists.linux-foundation.org;
> netdev at vger.kernel.org; Greg Kroah-Hartman; Mark Rutland; Rob Herring;
> Russell King; Jochen Friedrich; Joerg Roedel; Claudiu Manoil; Bhupesh
> Sharma; Qiang Zhao; Kumar Gala; Leo Li; X.B. Xie; M.H. Lian
> Subject: RE: [v16, 0/7] Fix eSDHC host version register bug
>
> > -----Original Message-----
> > From: linux-mmc-owner at vger.kernel.org [mailto:linux-mmc-
> > owner at vger.kernel.org] On Behalf Of Scott Wood
> > Sent: Thursday, November 10, 2016 11:55 AM
> > To: Ulf Hansson; Y.B. Lu
> > Cc: linux-mmc; Arnd Bergmann; linuxppc-dev at lists.ozlabs.org;
> > devicetree at vger.kernel.org; linux-arm-kernel at lists.infradead.org;
> > linux- kernel at vger.kernel.org; linux-clk;
> > iommu at lists.linux-foundation.org; netdev at vger.kernel.org; Greg
> > Kroah-Hartman; Mark Rutland; Rob Herring; Russell King; Jochen
> > Friedrich; Joerg Roedel; Claudiu Manoil; Bhupesh Sharma; Qiang Zhao;
> > Kumar Gala; Leo Li; X.B. Xie; M.H. Lian
> > Subject: Re: [v16, 0/7] Fix eSDHC host version register bug
> >
> > On Wed, 2016-11-09 at 19:27 +0100, Ulf Hansson wrote:
> > > - i2c-list
> > >
> > > On 9 November 2016 at 04:14, Yangbo Lu <yangbo.lu at nxp.com> wrote:
> > > >
> > > > This patchset is used to fix a host version register bug in the
> > > > T4240-
> > > > R1.0-R2.0
> > > > eSDHC controller. To match the SoC version and revision, 15
> > > > previous version patchsets had tried many methods but all of them
> > > > were rejected by reviewers.
> > > > Such as
> > > > - dts compatible method
> > > > - syscon method
> > > > - ifdef PPC method
> > > > - GUTS driver getting SVR method Anrd suggested a
> > > > soc_device_match method in v10, and this is the only available
> > > > method left now. This v11 patchset introduces the soc_device_match
> > > > interface in soc driver.
> > > >
> > > > The first four patches of Yangbo are to add the GUTS driver. This
> > > > is used to register a soc device which contain soc version and
> > > > revision information.
> > > > The other three patches introduce the soc_device_match method in
> > > > soc driver and apply it on esdhc driver to fix this bug.
> > > >
> > > > ---
> > > > Changes for v15:
> > > > - Dropped patch 'dt: bindings: update Freescale DCFG
> > compatible'
> > > > since the work had been done by below patch on
> > > > ShawnGuo's linux tree.
> > > > 'dt-bindings: fsl: add LS1043A/LS1046A/LS2080A
> > > > compatible for SCFG
> > > > and DCFG'
> > > > - Fixed error code issue in guts driver Changes for v16:
> > > > - Dropped patch 'powerpc/fsl: move mpc85xx.h to
> > include/linux/fsl'
> > > > - Added a bug-fix patch from Geert
> > > > ---
> > > >
> > > > Arnd Bergmann (1):
> > > > base: soc: introduce soc_device_match() interface
> > > >
> > > > Geert Uytterhoeven (1):
> > > > base: soc: Check for NULL SoC device attributes
> > > >
> > > > Yangbo Lu (5):
> > > > ARM64: dts: ls2080a: add device configuration node
> > > > dt: bindings: move guts devicetree doc out of powerpc directory
> > > > soc: fsl: add GUTS driver for QorIQ platforms
> > > > MAINTAINERS: add entry for Freescale SoC drivers
> > > > mmc: sdhci-of-esdhc: fix host version for T4240-R1.0-R2.0
> > > >
> > > > .../bindings/{powerpc => soc}/fsl/guts.txt | 3 +
> > > > MAINTAINERS | 11 +-
> > > > arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi | 6 +
> > > > drivers/base/Kconfig | 1 +
> > > > drivers/base/soc.c | 70 ++++++
> > > > drivers/mmc/host/Kconfig | 1 +
> > > > drivers/mmc/host/sdhci-of-esdhc.c | 20 ++
> > > > drivers/soc/Kconfig | 3 +-
> > > > drivers/soc/fsl/Kconfig | 18 ++
> > > > drivers/soc/fsl/Makefile | 1 +
> > > > drivers/soc/fsl/guts.c | 236
> > > > +++++++++++++++++++++
> > > > include/linux/fsl/guts.h | 125
> > > > ++++++-----
> > > > include/linux/sys_soc.h | 3 +
> > > > 13 files changed, 447 insertions(+), 51 deletions(-)
> > > > rename Documentation/devicetree/bindings/{powerpc =>
> > > > soc}/fsl/guts.txt
> > > > (91%)
> > > > create mode 100644 drivers/soc/fsl/Kconfig
> > > > create mode 100644 drivers/soc/fsl/guts.c
> > > >
> > > > --
> > > > 2.1.0.27.g96db324
> > > >
> > > Thanks, applied on my mmc tree for next!
> > >
> > > I noticed that some DT compatibles weren't documented, according to
> > > checkpatch. Please fix that asap!
> >
> > They are documented, in fsl/guts.txt (the file moved in patch 2/7):
> > > - compatible : Should define the compatible device type for
> > > global-utilities.
> > > Possible compatibles:
> > > "fsl,qoriq-device-config-1.0"
> > > "fsl,qoriq-device-config-2.0"
> > > "fsl,<chip>-device-config"
> > > "fsl,<chip>-guts"
> >
> > Checkpatch doesn't understand compatibles defined in such a way.
>
> [Lu Yangbo-B47093] You're right, Scott. I dropped DT patch 'dt: bindings:
> update Freescale DCFG compatible '
> which fixed un-doc issue since Shaohui had done this on Shawn Guo's tree.
> https://git.kernel.org/cgit/linux/kernel/git/shawnguo/linux.git/commit/?h
> =imx/dt64&id=981034a2bfcaff5c95dafde24d7abfe7f9025c19
>
> Thanks.
[Lu Yangbo-B47093] Both 'fsl,<chip>-guts' and 'fsl,<chip>-dcfg' would have no un-doc issue after Shaohui's patch are pulled :)
>
> >
> > -Scott
> >
> > --
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