linux-kernel - Re: [PATCH v3 00/14] Add MMCI support for STM32F SoCs family

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Date:   Thu, 18 Jan 2018 18:01:44 +0100
From:   Alexandre Torgue <alexandre.torgue@...com>
To:     <patrice.chotard@...com>, Russell King <linux@...linux.org.uk>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...eaurora.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
CC:     <linux-mmc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-clk@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-gpio@...r.kernel.org>, <devicetree@...r.kernel.org>
Subject: Re: [PATCH v3 00/14] Add MMCI support for STM32F SoCs family

Hi Patrice,


On 01/18/2018 03:34 PM, patrice.chotard@...com wrote:
> From: Patrice Chotard <patrice.chotard@...com>
> 
> This series reworks patches submitted one year ago by Andrea Merello [1]
> but without succeed to merged it.
> 
> STM32F4 and STM32F7 SoCs families embeds a variant of the ARM PrimeCell
> PL18x SD host controller, for which the mmci driver exists.
> This series adds support for these SoCs to the mmci driver.
> 
> As other variants, this one need some specific quirks, that this
> series address.
> 
> This series has been tested on following boards :
> 	_ stm32f429-eval
> 	_ stm32f469-disco
> 	_ stm32f746-eval
> 	_ stm32f769-disco
> 
> DT update for stm32f7 pinctrl, stm32f746-eval and stm32f769-disco boards
> will be sent later to avoid conflict with pending stm32f7 series [1] which
> is not yet merged on kernel mainline.
> 
> [1] https://www.spinics.net/lists/linux-mmc/msg41616.html
> [2] https://patchwork.kernel.org/patch/10104447/
> 
> v3: _ patch 3: use variant->opendrain instead of host->variant->opendrain
>      _ patch 4: exit from probe() if no pinctrl dt node are found
>      _ previous patch 15: removed as already applied in pinctrl tree
> 
> v2: _ add Revievied-by, Acked-by in some patches
>      _ replace bool by u32 for start_err and opendrain fields of struct variant_data
>      _ split previous patch 3 in two parts, first patch clean the open drain bit code
>        and second part add pinctrl pins management when no open drain bit is available.
>      _ replace "pl180" by "PL180" in patch "mmc: mmci: Add STM32 variant"
> 
> Andrea Merello (2):
>    ARM: dts: stm32: Add pin map for SDIO controller on stm32f4
>    ARM: dts: stm32: Enable SDIO controller on stm32f469 disco board

Looks good for STM32 machine part (DT/configs/mach-stm32). I will apply 
them in my next pull request.

Thanks.

Alex

> 
> Patrice Chotard (12):
>    mmc: mmci: Don't pretend all variants to have MMCIMASK1 register
>    mmc: mmci: Don't pretend all variants to have MCI_STARBITERR flag
>    mmc: mmci: Don't pretend all variants to have OPENDRAIN bit
>    mmc: mmci: Add support for setting pad type via pinctrl
>    mmc: mmci: Add STM32 variant
>    ARM: dts: stm32: Add SDIO controller for stm32f746
>    ARM: dts: stm32: Add SDIO controller for stm32f429
>    ARM: dts: stm32: Enable SDIO controller on stm32429i-eval board
>    ARM: stm32: Add AMBA support for STM32F4 and STM32F7 SoCs
>    ARM: configs: stm32: Enable MMC_ARMMMCI support
>    ARM: configs: stm32: Enable EXT3_FS support
>    clk: stm32: Add clk entry for SDMMC2 on stm32F769
> 
>   arch/arm/boot/dts/stm32429i-eval.dts   |  19 +++++
>   arch/arm/boot/dts/stm32f4-pinctrl.dtsi |  31 +++++++++
>   arch/arm/boot/dts/stm32f429.dtsi       |  11 +++
>   arch/arm/boot/dts/stm32f469-disco.dts  |  19 +++++
>   arch/arm/boot/dts/stm32f746.dtsi       |  22 ++++++
>   arch/arm/configs/stm32_defconfig       |   3 +
>   arch/arm/mach-stm32/Kconfig            |   3 +
>   drivers/clk/clk-stm32f4.c              |   3 +-
>   drivers/mmc/host/mmci.c                | 124 ++++++++++++++++++++++++++++-----
>   drivers/mmc/host/mmci.h                |   6 ++
>   10 files changed, 224 insertions(+), 17 deletions(-)
>