diff options
| author | Malcolm Priestley <tvboxspy@gmail.com> | 2013-11-07 21:49:04 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-11-25 09:14:29 -0800 |
| commit | 9df682927c2e3a92f43803d6b52095992e3b2ab8 (patch) | |
| tree | 2f7163a9de3e839bba505a39a8477e450833df05 /drivers | |
| parent | 6330f9cf347849de74899e5fac00bfecd84a6b43 (diff) | |
staging: vt6656: [BUG] Fix for TX USB resets from vendors driver.
This fixes resets on heavy TX data traffic.
Vendor driver
VT6656_Linux_src_v1.21.03_x86_11.04.zip
http://www.viaembedded.com/servlet/downloadSvl?id=1890&download_file_id=14704
This is GPL-licensed code.
original code
BBbVT3184Init
...
//2007-0725, RobertChang add, Enable Squelch detect reset option(SQ_RST_Opt), USB (register4, bit1)
CONTROLnsRequestIn(pDevice,
MESSAGE_TYPE_READ,
(WORD)0x600+4, // USB's Reg4's bit1
MESSAGE_REQUEST_MEM,
1,
(PBYTE) &byData);
byData = byData|2 ;
CONTROLnsRequestOut(pDevice,
MESSAGE_TYPE_WRITE,
(WORD)0x600+4, // USB's Reg4's bit1
MESSAGE_REQUEST_MEM,
1,
(PBYTE) &byData);
return TRUE;//ntStatus;
....
A back port patch is needed for kernels less than 3.10.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Cc: stable@vger.kernel.org # v3.10+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/vt6656/baseband.c | 11 | ||||
| -rw-r--r-- | drivers/staging/vt6656/rndis.h | 2 |
2 files changed, 13 insertions, 0 deletions
diff --git a/drivers/staging/vt6656/baseband.c b/drivers/staging/vt6656/baseband.c index 1e8b8412e67e..4aa5ef54b683 100644 --- a/drivers/staging/vt6656/baseband.c +++ b/drivers/staging/vt6656/baseband.c @@ -939,6 +939,7 @@ int BBbVT3184Init(struct vnt_private *pDevice) u8 * pbyAgc; u16 wLengthAgc; u8 abyArray[256]; + u8 data; ntStatus = CONTROLnsRequestIn(pDevice, MESSAGE_TYPE_READ, @@ -1104,6 +1105,16 @@ else { ControlvWriteByte(pDevice,MESSAGE_REQUEST_BBREG,0x0D,0x01); RFbRFTableDownload(pDevice); + + /* Fix for TX USB resets from vendors driver */ + CONTROLnsRequestIn(pDevice, MESSAGE_TYPE_READ, USB_REG4, + MESSAGE_REQUEST_MEM, sizeof(data), &data); + + data |= 0x2; + + CONTROLnsRequestOut(pDevice, MESSAGE_TYPE_WRITE, USB_REG4, + MESSAGE_REQUEST_MEM, sizeof(data), &data); + return true;//ntStatus; } diff --git a/drivers/staging/vt6656/rndis.h b/drivers/staging/vt6656/rndis.h index 5e073062017a..5cf5e732a36f 100644 --- a/drivers/staging/vt6656/rndis.h +++ b/drivers/staging/vt6656/rndis.h @@ -66,6 +66,8 @@ #define VIAUSB20_PACKET_HEADER 0x04 +#define USB_REG4 0x604 + typedef struct _CMD_MESSAGE { u8 byData[256]; |