From: Julien Grall Date: Tue, 27 Aug 2013 12:13:35 +0000 (+0100) Subject: drivers/char: pl011: Enable receive timeout interrupt X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~6451 X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=1c413bf7f2ff372e00d2d78a8904a0ade2420f0a;p=xen.git drivers/char: pl011: Enable receive timeout interrupt The commit 874f76a "PL011: fix reverse logic for interrupt mask register" introduced regression on the Versatile Express. The board didn't receive correctly input. The timeout interrupt may be asserted when the FIFO is not empty, and no futher data is received over a 32-bit period. Signed-off-by: Julien Grall Acked-by: Ian Campbell --- diff --git a/xen/drivers/char/pl011.c b/xen/drivers/char/pl011.c index 0e1eb64601..e4bd702f3f 100644 --- a/xen/drivers/char/pl011.c +++ b/xen/drivers/char/pl011.c @@ -140,7 +140,7 @@ static void __init pl011_init_postirq(struct serial_port *port) pl011_write(uart, ICR, OEI|BEI|PEI|FEI); /* Unmask interrupts */ - pl011_write(uart, IMSC, OEI|BEI|PEI|FEI|TXI|RXI); + pl011_write(uart, IMSC, RTI|OEI|BEI|PEI|FEI|TXI|RXI); } static void pl011_suspend(struct serial_port *port)