linux-kernel - Re: [PATCH 0/2] mmc: rtsx: add check before sending request

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Date:	Wed, 21 Jan 2015 13:59:46 +0100
From:	Ulf Hansson <ulf.hansson@...aro.org>
To:	micky <micky_ching@...lsil.com.cn>
Cc:	Chris Ball <chris@...ntf.net>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Dan Carpenter <dan.carpenter@...cle.com>,
	"driverdev-devel@...uxdriverproject.org" 
	<devel@...uxdriverproject.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-mmc <linux-mmc@...r.kernel.org>,
	Roger <rogerable@...ltek.com>, Wei WANG <wei_wang@...lsil.com.cn>
Subject: Re: [PATCH 0/2] mmc: rtsx: add check before sending request

On 14 January 2015 at 04:09,  <micky_ching@...lsil.com.cn> wrote:
> From: Micky Ching <micky_ching@...lsil.com.cn>
>
> Add check before sending request can make request return faster.
> - finish request if no card exist
>   This can make request finish faster, especial for some sdio card,
>   when card removed, there still a lot of command pending,
>   if we check card exist and stop request, the card will disappear
>   faster in user space.
>
> - check sg_count before long data xfer
>   modify sg_count type unsigned -> int, because dma_map_sg() return
>   int, and this value can be negative to indicate some error occurs.
>
> Micky Ching (2):
>   mmc: rtsx: finish request if no card exist
>   mmc: rtsx: check sg_count before long data xfer
>
>  drivers/mmc/host/rtsx_pci_sdmmc.c | 20 ++++++++++++++++----
>  1 file changed, 16 insertions(+), 4 deletions(-)
>
> --
> 1.9.1
>

Thanks! Applied for next.

Kind regards
Uffe
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