From: Andrew Lunn <andrew@lunn.ch>
To: Marcin Wojtas <mw@semihalf.com>
Cc: linux-kernel@vger.kernel.org,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>,
"Ulf Hansson" <ulf.hansson@linaro.org>,
"Sebastian Hesselbarth" <sebastian.hesselbarth@gmail.com>,
"Jason Cooper" <jason@lakedaemon.net>,
"Thomas Petazzoni" <thomas.petazzoni@free-electrons.com>,
"Gregory Clément" <gregory.clement@free-electrons.com>,
nadavh@marvell.com, "Lior Amsalem" <alior@marvell.com>,
"Tawfik Bayouk" <tawfik@marvell.com>,
"Grzegorz Jaszczyk" <jaz@semihalf.com>
Subject: Re: [PATCH 6/8] ARM: mvebu: enable SDHCI card detection using DAT3 pin on A388-GP
Date: Tue, 6 Oct 2015 18:23:34 +0200 [thread overview]
Message-ID: <20151006162334.GB3557@lunn.ch> (raw)
In-Reply-To: <CAPv3WKfOkTHTSXqzZNr+-E20nHr40jqw_Dg6qz24uDa+nB5-BA@mail.gmail.com>
> We have three options here:
> - leave GPIO-based card detection and see if in future anyone
> complains about not working detection
> - switch to DAT3 detection - yes you're right, that it is a regression
> for all boards < 1.5
> - enable SW polling for detection ("broken-cd") which should satisfy
> all kind of boards
Then i would suggest either broken-cd, or two .dtb blobs and good
comments in the dts files about how to identify the boards and what
happens if you run the wrong DTB blob.
Andrew
WARNING: multiple messages have this Message-ID (diff)
From: andrew@lunn.ch (Andrew Lunn)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 6/8] ARM: mvebu: enable SDHCI card detection using DAT3 pin on A388-GP
Date: Tue, 6 Oct 2015 18:23:34 +0200 [thread overview]
Message-ID: <20151006162334.GB3557@lunn.ch> (raw)
In-Reply-To: <CAPv3WKfOkTHTSXqzZNr+-E20nHr40jqw_Dg6qz24uDa+nB5-BA@mail.gmail.com>
> We have three options here:
> - leave GPIO-based card detection and see if in future anyone
> complains about not working detection
> - switch to DAT3 detection - yes you're right, that it is a regression
> for all boards < 1.5
> - enable SW polling for detection ("broken-cd") which should satisfy
> all kind of boards
Then i would suggest either broken-cd, or two .dtb blobs and good
comments in the dts files about how to identify the boards and what
happens if you run the wrong DTB blob.
Andrew
next prev parent reply other threads:[~2015-10-06 16:23 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-06 1:22 [PATCH 0/8] Armada 38x SDHCI driver improvements Marcin Wojtas
2015-10-06 1:22 ` Marcin Wojtas
2015-10-06 1:22 ` [PATCH 1/8] mmc: sdhci-pxav3: remove broken clock base quirk for Armada 38x sdhci driver Marcin Wojtas
2015-10-06 1:22 ` Marcin Wojtas
2015-10-06 1:22 ` Marcin Wojtas
2015-10-06 14:43 ` Gregory CLEMENT
2015-10-06 14:43 ` Gregory CLEMENT
2015-10-06 14:43 ` Gregory CLEMENT
2015-10-08 17:35 ` Ulf Hansson
2015-10-08 17:35 ` Ulf Hansson
2015-10-08 17:35 ` Ulf Hansson
2015-10-06 1:22 ` [PATCH 2/8] mmc: sdhci-pxav3: disable clock inversion for HS MMC cards Marcin Wojtas
2015-10-06 1:22 ` Marcin Wojtas
2015-10-06 1:22 ` Marcin Wojtas
2015-10-06 14:44 ` Gregory CLEMENT
2015-10-06 14:44 ` Gregory CLEMENT
2015-10-06 14:44 ` Gregory CLEMENT
2015-10-08 17:35 ` Ulf Hansson
2015-10-08 17:35 ` Ulf Hansson
2015-10-08 17:35 ` Ulf Hansson
2015-10-06 1:22 ` [PATCH 3/8] mmc: sdhci-pxav3: fix error handling of armada_38x_quirks Marcin Wojtas
2015-10-06 1:22 ` Marcin Wojtas
2015-10-06 1:22 ` Marcin Wojtas
2015-10-06 14:47 ` Gregory CLEMENT
2015-10-06 14:47 ` Gregory CLEMENT
2015-10-06 14:47 ` Gregory CLEMENT
2015-10-08 17:35 ` Ulf Hansson
2015-10-08 17:35 ` Ulf Hansson
2015-10-08 17:35 ` Ulf Hansson
2015-10-09 0:49 ` Marcin Wojtas
2015-10-09 0:49 ` Marcin Wojtas
2015-10-06 1:22 ` [PATCH 4/8] mmc: sdhci-pxav3: enable proper resuming on Armada 38x SoC Marcin Wojtas
2015-10-06 1:22 ` Marcin Wojtas
2015-10-06 1:22 ` Marcin Wojtas
2015-10-06 14:51 ` Gregory CLEMENT
2015-10-06 14:51 ` Gregory CLEMENT
2015-10-06 15:08 ` Marcin Wojtas
2015-10-06 15:08 ` Marcin Wojtas
2015-10-09 1:09 ` Jisheng Zhang
2015-10-09 1:09 ` Jisheng Zhang
2015-10-09 1:09 ` Jisheng Zhang
2015-10-09 9:48 ` Marcin Wojtas
2015-10-09 9:48 ` Marcin Wojtas
2015-10-06 1:22 ` [PATCH 5/8] mmc: sdhci-pxav3: enable usage of DAT3 pin as HW card detect Marcin Wojtas
2015-10-06 1:22 ` Marcin Wojtas
2015-10-06 1:22 ` Marcin Wojtas
2015-10-06 1:22 ` [PATCH 6/8] ARM: mvebu: enable SDHCI card detection using DAT3 pin on A388-GP Marcin Wojtas
2015-10-06 1:22 ` Marcin Wojtas
2015-10-06 3:31 ` Andrew Lunn
2015-10-06 3:31 ` Andrew Lunn
2015-10-06 7:02 ` Marcin Wojtas
2015-10-06 7:02 ` Marcin Wojtas
2015-10-06 14:45 ` Andrew Lunn
2015-10-06 14:45 ` Andrew Lunn
2015-10-06 15:05 ` Marcin Wojtas
2015-10-06 15:05 ` Marcin Wojtas
2015-10-06 16:23 ` Andrew Lunn [this message]
2015-10-06 16:23 ` Andrew Lunn
2015-10-06 15:05 ` Gregory CLEMENT
2015-10-06 15:05 ` Gregory CLEMENT
2015-10-06 15:05 ` Gregory CLEMENT
2015-10-06 15:35 ` Marcin Wojtas
2015-10-06 15:35 ` Marcin Wojtas
2015-10-06 16:20 ` Andrew Lunn
2015-10-06 16:20 ` Andrew Lunn
2015-10-06 1:22 ` [PATCH 7/8] mmc: sdhci: add init_card callback to sdhci Marcin Wojtas
2015-10-06 1:22 ` Marcin Wojtas
2015-10-06 1:22 ` [PATCH 8/8] mmc: sdhci-pxav3: enable modifying MMC_CARD bit during card initialization Marcin Wojtas
2015-10-06 1:22 ` Marcin Wojtas
2015-10-06 14:43 ` [PATCH 0/8] Armada 38x SDHCI driver improvements Gregory CLEMENT
2015-10-06 14:43 ` Gregory CLEMENT
2015-10-06 15:48 ` Marcin Wojtas
2015-10-06 15:48 ` Marcin Wojtas
2015-10-08 13:21 ` Marcin Wojtas
2015-10-08 13:21 ` Marcin Wojtas
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