linux-kernel - Re: patch sdhci-add-no_busy_irq-quirk-for-marvell-cafe-host-chip.patch added to 2.6.28-stable tree

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Date:	Sat, 14 Mar 2009 01:20:49 +0100
From:	Stefan Lippers-Hollmann <s.L-H@....de>
To:	gregkh@...e.de
Cc:	linux-kernel@...r.kernel.org, dilinger@...ian.org,
	drzeus@...eus.cx, stable@...nel.org
Subject: Re: patch sdhci-add-no_busy_irq-quirk-for-marvell-cafe-host-chip.patch added to 2.6.28-stable tree

Hi

On Freitag, 13. März 2009, gregkh@...e.de wrote:
> This is a note to let you know that we have just queued up the patch titled
> 
>     Subject: sdhci: Add NO_BUSY_IRQ quirk for Marvell CAFE host chip
> 
> to the 2.6.28-stable tree.  Its filename is
> 
>     sdhci-add-no_busy_irq-quirk-for-marvell-cafe-host-chip.patch
> 
> A git repo of this tree can be found at 
>     http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
> 
> 
> From a0874897b1ba106298e4303a25456a473fc40f3d Mon Sep 17 00:00:00 2001
> From: Andres Salomon <dilinger@...ian.org>
> Date: Mon, 2 Mar 2009 21:48:20 +0100
> Subject: sdhci: Add NO_BUSY_IRQ quirk for Marvell CAFE host chip
> 
> From: Andres Salomon <dilinger@...ian.org>
> 
> commit a0874897b1ba106298e4303a25456a473fc40f3d upstream.
> 
> As described here: http://lkml.org/lkml/2009/2/20/265
> 
> The CAFE chip is broken due to commit e809517f6fa5803a5a1cd5602.
> Anton added a quirk here: http://lkml.org/lkml/2009/2/20/279 that fixes
> CAFE's problem.  This adds the quirk for CAFE.

Adding this patch alone breaks compiling the current -stable queue for 
2.6.28:

  CC [M]  drivers/mmc/host/sdhci-pci.o
drivers/mmc/host/sdhci-pci.c:110: error: 'SDHCI_QUIRK_NO_BUSY_IRQ' undeclared here (not in a function)
make[6]: *** [drivers/mmc/host/sdhci-pci.o] Error 1
make[5]: *** [drivers/mmc/host] Error 2
make[4]: *** [drivers/mmc] Error 2
make[3]: *** [drivers] Error 2

It seems to depend the following patch, wich introduces this particular 
quirk type:

commit f945405cdecd9e0ae3e58ff84cabd19b4522965e
Author: Ben Dooks <ben-linux@...ff.org>
Date:   Fri Feb 20 20:33:08 2009 +0300

    sdhci: Add quirk for controllers with no end-of-busy IRQ

    The Samsung SDHCI (and FSL eSDHC) controller block seems to fail
    to generate an INT_DATA_END after the transfer has completed and
    the bus busy state finished.

    Changes in e809517f6fa5803a5a1cd56026f0e2190fc13d5c to use the
    new busy method are the cause of the behaviour change.

    Signed-off-by: Ben Dooks <ben-linux@...ff.org>
    Signed-off-by: Anton Vorontsov <avorontsov@...mvista.com>
    Signed-off-by: Pierre Ossman <drzeus@...eus.cx>


Regards
	Stefan Lippers-Hollmann

-- 
> Signed-off-by: Andres Salomon <dilinger@...ian.org>
> Signed-off-by: Pierre Ossman <drzeus@...eus.cx>
> Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
> 
> ---
>  drivers/mmc/host/sdhci-pci.c |    1 +
>  1 file changed, 1 insertion(+)
> 
> --- a/drivers/mmc/host/sdhci-pci.c
> +++ b/drivers/mmc/host/sdhci-pci.c
> @@ -107,6 +107,7 @@ static const struct sdhci_pci_fixes sdhc
>  
>  static const struct sdhci_pci_fixes sdhci_cafe = {
>  	.quirks		= SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER |
> +			  SDHCI_QUIRK_NO_BUSY_IRQ |
>  			  SDHCI_QUIRK_BROKEN_TIMEOUT_VAL,
>  };
>  
> 
> 
> Patches currently in stable-queue which might be from dilinger@...ian.org are
> 
> queue-2.6.28/sdhci-add-no_busy_irq-quirk-for-marvell-cafe-host-chip.patch
> --
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