| commit | e73be92d82e6a842eda6adac339963a3560ca0e4 | |
| author | Lukas Wunner <lukas@wunner.de> | |
| Fri, 24 Nov 2017 23:40:49 +0000 (25 00:40 +0100) | ||
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | |
| Tue, 28 Nov 2017 14:32:33 +0000 (28 15:32 +0100) | ||
| tree | 3318876c5bb5da40d4b60ad508bceda84b9a48f7 | treesnapshot (tar.gz zip) |
| parent | f859722a8f3f145b79c4371303f3d3ea7da5c4e0 | commitdiff |
serial: pl011: Drop duplicate loop counter
pl011_fifo_to_tty() has two counters (max_count and fifotaken) for the
same loop. One counter should suffice. This saves one subtraction per
character read from the RX FIFO.
Cc: Mathias Duckeck <m.duckeck@kunbus.de>
Cc: Phil Elwell <phil@raspberrypi.org>
Cc: Stefan Wahren <stefan.wahren@i2se.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Russell King <linux@armlinux.org.uk>
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
pl011_fifo_to_tty() has two counters (max_count and fifotaken) for the
same loop. One counter should suffice. This saves one subtraction per
character read from the RX FIFO.
Cc: Mathias Duckeck <m.duckeck@kunbus.de>
Cc: Phil Elwell <phil@raspberrypi.org>
Cc: Stefan Wahren <stefan.wahren@i2se.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Russell King <linux@armlinux.org.uk>
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| drivers/tty/serial/amba-pl011.c | diffblobblamehistory |