Re: [PATCH] USB: Mass Storage: Add MediaTek MT6276M device entry

[Sergei Shtylyov <sshtylyov@mvista.com>]

Hello.

On 28-02-2012 13:08, Meng Zhang wrote:

> from: Meng Zhang <meng.zhang@mediatek.com>

> 1. Add entrys for mediatek MT6276M in unusual_devs.h

> 2. Add init function for mediatek MT6276M to switch to COM port mode

> 3. usb-devices outputs after running with this patch:
> T: Bus=02 Lev=01 Prnt=01 Port=05 Cnt=01 Dev#= 48 Spd=480 MxCh= 0
> D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
> P: Vendor=0e8d ProdID=00a1 Rev=02.00
> S: Manufacturer=MediaTek Inc
> S: Product=Product
> C: #Ifs= 3 Cfg#= 1 Atr=80 MxPwr=500mA
> I: If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=02 Prot=01 Driver=option
> I: If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> I: If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option

> 4. patch based on branch:
> git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

    This information (4) should be under the --- tear line.

> Signed-off-by: Meng Zhang <meng.zhang@mediatek.com>
[...]

> diff --git a/drivers/usb/storage/initializers.c
> b/drivers/usb/storage/initializers.c
> index 105d900..44985a1 100644
> --- a/drivers/usb/storage/initializers.c
> +++ b/drivers/usb/storage/initializers.c
> @@ -104,3 +104,30 @@ int usb_stor_huawei_e220_init(struct us_data *us)
> US_DEBUGP("Huawei mode set result is %d\n", result);
> return 0;
> }
> +
> +/* switch MediaTek MT6276M to COM port mode */
> +int usb_stor_mediatek_mt6276m_init(struct us_data *us)
> +{
> + const unsigned char rezero_msg[] = {

    Unfortunately, when I reply to messages with "format=flowed", source 
formatting is spoiled. :-(

> + 0x55, 0x53, 0x42, 0x43, 0x78, 0x56, 0x34, 0x12,

    All indentation here should be done with tabs, not tab and two spaces.

> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0xf0,
> + 0x01, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
> + };

WBR, Sergei