[v16, 0/7] Fix eSDHC host version register bug

-----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

quoted

-----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:

quoted

- i2c-list

On 9 November 2016 at 04:14, Yangbo Lu [off-list ref] wrote:

quoted

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'

quoted

quoted

??????????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'

quoted

quoted

????????- 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):

quoted

?- 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 :)

quoted

-Scott

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