Increase the transmitter threshold so that writing isn't resumed until 128 bytes are available in the device buffer thereby allowing for larger and more efficient transfers.
Signed-off-by: Johan Hovold <[email protected]> --- drivers/usb/serial/keyspan_pda.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c index b3fb2ecefb31..3816bbc928b2 100644 --- a/drivers/usb/serial/keyspan_pda.c +++ b/drivers/usb/serial/keyspan_pda.c @@ -40,7 +40,7 @@ #define DRIVER_AUTHOR "Brian Warner <[email protected]>" #define DRIVER_DESC "USB Keyspan PDA Converter driver" -#define KEYSPAN_TX_THRESHOLD 16 +#define KEYSPAN_TX_THRESHOLD 128 struct keyspan_pda_private { int tx_room; -- 2.26.2
