From: Greg Kroah-Hartman Date: Fri, 1 Nov 2013 16:18:38 +0000 (-0700) Subject: Revert "usb: pl2303: also use the divisor based baud rate encoding method for baud... X-Git-Tag: MMI-PSA29.97-13-9~13376^2~8 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e2afb1d66644a3c55e3a46ba312e302a065ecac5;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git Revert "usb: pl2303: also use the divisor based baud rate encoding method for baud rates < 115200 with HX chips" This reverts commit 61fa8d694b8547894b57ea0d99d0120a58f6ebf8. Revert all of the pl2303 changes that went into 3.12-rc1 and -rc2 as they cause regressions on some versions of the chip. This will all be revisited for later kernel versions when we can figure out how to handle this in a way that does not break working devices. Reported-by: Mika Westerberg Cc: Frank Schäfer Acked-by: Johan Hovold Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 09fb55cf3be7..61c9f9d28ee9 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -395,7 +395,7 @@ static void pl2303_encode_baudrate(struct tty_struct *tty, * 2) Divisor based method: encodes a divisor to a base value (12MHz*32) * => supported by HX chips (and likely not by type_0/1 chips) */ - if (type != HX) + if (type != HX || baud <= 115200) baud = pl2303_baudrate_encode_direct(baud, type, buf); else baud = pl2303_baudrate_encode_divisor(baud, type, buf);