upstream commit 9df682927c2e3a92f43803d6b52095992e3b2ab8 back port for 3.8 and less kernels. 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@xxxxxxxxx> Cc: stable@xxxxxxxxxxxxxxx # <= v3.8 Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/staging/vt6656/baseband.c | 11 +++++++++++ drivers/staging/vt6656/rndis.h | 1 + 2 files changed, 12 insertions(+) diff --git a/drivers/staging/vt6656/baseband.c b/drivers/staging/vt6656/baseband.c index 3855015..65503b9 100644 --- a/drivers/staging/vt6656/baseband.c +++ b/drivers/staging/vt6656/baseband.c @@ -976,6 +976,7 @@ BOOL BBbVT3184Init(PSDevice pDevice) PBYTE pbyAgc; WORD wLengthAgc; BYTE abyArray[256]; + u8 data; ntStatus = CONTROLnsRequestIn(pDevice, MESSAGE_TYPE_READ, @@ -1144,6 +1145,16 @@ 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 fccf7e9..dcf7bf5 100644 --- a/drivers/staging/vt6656/rndis.h +++ b/drivers/staging/vt6656/rndis.h @@ -69,6 +69,7 @@ #define VIAUSB20_PACKET_HEADER 0x04 +#define USB_REG4 0x604 /*--------------------- Export Classes ----------------------------*/ -- 1.8.4.4 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
