[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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