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(parent: 725ef4a) | patch
Powerpc 8xx CPM_UART too many interrupts
authorChristophe Leroy <christophe.leroy@c-s.fr>
Mon, 24 Sep 2012 06:19:03 +0000 (08:19 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 26 Sep 2012 20:39:39 +0000 (13:39 -0700)
commit59733ef7e510f6fd51a3dfc6f22ec1d3630a47b9
treefe2fdf1f4e631217bdaf8e63c5d623e0db704440tree | snapshot (tar.gz zip)
parent725ef4a3b68449611b523550739ab6d848cedafacommit | diff
Powerpc 8xx CPM_UART too many interrupts

Setting the fifo to only 1 byte generates one interrupt every 1ms at 9600 bauds.
This is too much. This patch reduces the threshold to speeds below 2400 bauds
like in the 8250 UART driver.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/cpm_uart/cpm_uart_core.c diff | blob | blame | history