linux-kernel - Re: [PATCH v3 0/5] Armada 38x SDHCI driver improvements

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Date:	Wed, 21 Oct 2015 13:59:44 +0200
From:	Marcin Wojtas <mw@...ihalf.com>
To:	Ulf Hansson <ulf.hansson@...aro.org>
Cc:	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	"linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
	linux-kernel@...r.kernel.org,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Andrew Lunn <andrew@...n.ch>,
	Jason Cooper <jason@...edaemon.net>,
	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	Gregory Clément 
	<gregory.clement@...e-electrons.com>, nadavh@...vell.com,
	Lior Amsalem <alior@...vell.com>,
	Tawfik Bayouk <tawfik@...vell.com>,
	Marcin Wojtas <mw@...ihalf.com>,
	Grzegorz Jaszczyk <jaz@...ihalf.com>,
	Jisheng Zhang <jszhang@...vell.com>
Subject: Re: [PATCH v3 0/5] Armada 38x SDHCI driver improvements

Hi Ulf,

Do you have any remarks or comments to the series?

Best regards,
Marcin

2015-10-15 18:25 GMT+02:00 Marcin Wojtas <mw@...ihalf.com>:
> Hi,
>
> Thank you for reviewing the patches. According to your remarks and some
> new ideas I prepared third patchset. I modified my HW and now I could
> check operation when using all three modes of detection (polling, gpio
> and dat3) - it all seems working fine. Any remarks will be wellcome.
>
> Best regards,
> Marcin
>
> Changes:
> v1 -> v2
> * enable SW polling as card detection
> * in resume function change condition for mbus windows reconfiguration
>
> v2 -> v3
> * remove redundant print after fail of mbus_win_regs obtaining
> * add big comment on possible card detection options in armada-388-gp.dts
> * reconstruct dat3-cd support
>         - use dedicated flag in sdhci_pxa structure instead of checking
>           property in DT
>         - instead of global SDHCI quirk add wrapper for sdhci_set_clock
>           function in order to keep internal clock enabled
>         - prevent using pm_runtime in case of using dat3-cd
> * improve MMC_CARD bit modification - do not check Armada 38x compatible
>   string in pxav3_init_card callback, but use pxa->mbus_win_regs as a flag
>
> Marcin Wojtas (5):
>   mmc: sdhci-pxav3: enable proper resuming on Armada 38x SoC
>   mmc: sdhci-pxav3: enable usage of DAT3 pin as HW card detect
>   ARM: mvebu: set SW polling as SDHCI card detection on A388-GP
>   mmc: sdhci: add init_card callback to sdhci
>   mmc: sdhci-pxav3: enable modifying MMC_CARD bit during card
>     initialization
>
>  .../devicetree/bindings/mmc/sdhci-pxa.txt          |   5 +
>  arch/arm/boot/dts/armada-388-gp.dts                |  15 +-
>  drivers/mmc/host/sdhci-pxav3.c                     | 157 ++++++++++++++++-----
>  drivers/mmc/host/sdhci.c                           |   9 ++
>  drivers/mmc/host/sdhci.h                           |   1 +
>  5 files changed, 149 insertions(+), 38 deletions(-)
>
> --
> 1.8.3.1
>
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