[PATCH] mmc: sdhci-pltfm: Added sdhci-adjust-timeout quirk

Xie Xiaobo-R63061 r63061 at freescale.com
Wed Dec 14 14:27:43 EST 2011


Hi Changming,

OK, you can merge my patch into your patches.

Hi all,
Please ignore this patch. Changming will send the similar patch.

BRs
Xie Xiaobo

-----Original Message-----
From: Huang Changming-R66093 
Sent: 2011年12月13日 16:00
To: Xie Xiaobo-R63061; linuxppc-dev at lists.ozlabs.org
Cc: avorontsov at ru.mvista.com; linux-mmc at vger.kernel.org; Xie Xiaobo-R63061
Subject: RE: [PATCH] mmc: sdhci-pltfm: Added sdhci-adjust-timeout quirk

Xiaobo, I have one other similar patch, but the property is 'sdhci,adjust-timeout'.
Maybe I can repost it with add your signed-off-by?

> -----Original Message-----
> From: linuxppc-dev-bounces+r66093=freescale.com at lists.ozlabs.org
> [mailto:linuxppc-dev-bounces+r66093=freescale.com at lists.ozlabs.org] On 
> Behalf Of Xie Xiaobo
> Sent: Monday, December 05, 2011 4:55 PM
> To: linuxppc-dev at lists.ozlabs.org
> Cc: avorontsov at ru.mvista.com; linux-mmc at vger.kernel.org; Xie Xiaobo-
> R63061
> Subject: [PATCH] mmc: sdhci-pltfm: Added sdhci-adjust-timeout quirk
> 
> Some controller provides an incorrect timeout value for transfers, So 
> it need the quirk to adjust timeout value to 0xE.
> E.g. eSDHC of MPC8536, P1010, and P2020.
> 
> Signed-off-by: Xie Xiaobo <X.Xie at freescale.com>
> ---
>  drivers/mmc/host/sdhci-pltfm.c |    5 ++++-
>  1 files changed, 4 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci- 
> pltfm.c index a9e12ea..b5d6b3f 100644
> --- a/drivers/mmc/host/sdhci-pltfm.c
> +++ b/drivers/mmc/host/sdhci-pltfm.c
> @@ -2,7 +2,7 @@
>   * sdhci-pltfm.c Support for SDHCI platform devices
>   * Copyright (c) 2009 Intel Corporation
>   *
> - * Copyright (c) 2007 Freescale Semiconductor, Inc.
> + * Copyright (c) 2007, 2011 Freescale Semiconductor, Inc.
>   * Copyright (c) 2009 MontaVista Software, Inc.
>   *
>   * Authors: Xiaobo Xie <X.Xie at freescale.com> @@ -68,6 +68,9 @@ void 
> sdhci_get_of_property(struct platform_device *pdev)
>  		if (of_get_property(np, "sdhci,1-bit-only", NULL))
>  			host->quirks |= SDHCI_QUIRK_FORCE_1_BIT_DATA;
> 
> +		if (of_get_property(np, "sdhci,sdhci-adjust-timeout", NULL))
> +			host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;
> +
>  		if (sdhci_of_wp_inverted(np))
>  			host->quirks |= SDHCI_QUIRK_INVERTED_WRITE_PROTECT;
> 
> --
> 1.6.4
> 
> 
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