From: wwang <wei_wang@realsil.com.cn>
To: Oliver Neukum <oliver@neukum.org>
Cc: "gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
"devel@linuxdriverproject.org" <devel@linuxdriverproject.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 3/3] drivers/mmc/host: Add realtek sdmmc interface driver
Date: Fri, 20 Jul 2012 09:48:35 +0800 [thread overview]
Message-ID: <5008B8F3.20502@realsil.com.cn> (raw)
In-Reply-To: <1752528.JW0yMAA2dq@linux-lqwf.site>
Hi Oliver:
I will fix it. Should I resend all three patches, or just this one?
BR,
Wei WANG
于 2012年07月19日 20:26, Oliver Neukum 写道:
> On Thursday 19 July 2012 17:55:18 wei_wang@realsil.com.cn wrote:
>
>> +static void sd_normal_rw(struct realtek_sdmmc *host, struct mmc_request *mrq)
>> +{
>> + struct mmc_command *cmd = mrq->cmd;
>> + struct mmc_data *data = mrq->data;
>> + u8 _cmd[5], *buf;
>> +
>> + _cmd[0] = 0x40 | (u8)cmd->opcode;
>> + _cmd[1] = (u8)(cmd->arg >> 24);
>> + _cmd[2] = (u8)(cmd->arg >> 16);
>> + _cmd[3] = (u8)(cmd->arg >> 8);
>> + _cmd[4] = (u8)cmd->arg;
> Please use the predefined macro for endianness conversion.
>
>> + buf = kzalloc(data->blksz, GFP_KERNEL);
> 1. You must handle a failure to allocate a buffer
> 2. You must use GFP_NOIO as you are in a block driver
>
> Regards
> Oliver
>
next prev parent reply other threads:[~2012-07-20 1:48 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-19 9:55 [PATCH 3/3] drivers/mmc/host: Add realtek sdmmc interface driver wei_wang
2012-07-19 12:26 ` Oliver Neukum
2012-07-20 1:48 ` wwang [this message]
-- strict thread matches above, loose matches on Subject: below --
2012-07-20 10:09 wei_wang
2012-07-23 9:42 wei_wang
2012-07-23 16:52 ` Borislav Petkov
2012-07-25 3:02 wei_wang
2012-07-31 7:42 wei_wang
2012-07-31 15:22 ` Borislav Petkov
2012-07-31 18:11 ` Borislav Petkov
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