From: Elina Pasheva Date: Sat, 25 Apr 2009 01:41:49 +0000 (-0700) Subject: USB: serial: sierra driver performance improvements X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b748bb71b50fcea991e5c17bb3e10b5f38d21eaa;p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git USB: serial: sierra driver performance improvements - Version number set to 1.3.4 - Increased the number of input/output URBs for improved performance (numbers based on an measurement study triggered by a user request). We performed the testing using a network simulator that provided full speeds in the uplink and downlink directions and this combination of URBs provided the best throughput. Signed-off-by: Elina Pasheva Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c index 17ac34f4d668..9826c85a812d 100644 --- a/drivers/usb/serial/sierra.c +++ b/drivers/usb/serial/sierra.c @@ -14,7 +14,7 @@ Whom based his on the Keyspan driver by Hugh Blemings */ -#define DRIVER_VERSION "v.1.3.3" +#define DRIVER_VERSION "v.1.3.4" #define DRIVER_AUTHOR "Kevin Lloyd " #define DRIVER_DESC "USB Driver for Sierra Wireless USB modems" @@ -30,8 +30,8 @@ #define SWIMS_USB_REQUEST_SetPower 0x00 #define SWIMS_USB_REQUEST_SetNmea 0x07 -#define N_IN_URB 4 -#define N_OUT_URB 4 +#define N_IN_URB 8 +#define N_OUT_URB 64 #define IN_BUFLEN 4096 static int debug;