[PATCH] Fix for AMBA PL011 serial driver (tx_empty logic)

Simon Budig simon.budig at kernelconcepts.de
Tue Aug 2 14:57:45 EDT 2011

From: Simon Budig <simon at budig.de>

Hi all.

This is a resend of a patch i submitted a few days ago although with a
mangled formatting. I don't know who maintains the PL011 AMBA driver, so
I hope someone steps up and helps me in bringing this upstream.

There is a problem with the logic of tx_empty in the amba-pl011 serial
port driver. Instead of checking for an empty FIFO it checks for a
not-full FIFO, which - according to Documentation/serial/driver - is


Simon Budig (1):
  Fix logic of tx_empty.

 drivers/tty/serial/amba-pl011.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

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