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

From: Sergei Shtylyov
Date: Tue Feb 28 2012 - 06:39:50 EST


Hello.

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

from: Meng Zhang <meng.zhang@xxxxxxxxxxxx>

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@xxxxxxxxxxxx>
[...]

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
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