From: Paul Gortmaker <paul.gortmaker@windriver.com>
Date: Sun, 4 Dec 2011 23:42:19 +0000 (-0500)
Subject: serial: clean up parameter passing for 8250 Rx IRQ handling
X-Git-Tag: v3.3-rc1~154^2~19
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0690f41fddd285c3473e4af2a42d15bce7ff3e68;p=pandora-kernel.git

serial: clean up parameter passing for 8250 Rx IRQ handling

The receive_chars() was taking a pointer to a passed in LSR value
in status and knocking off bits as it processed them.  But since
receive_chars isn't returning a value, we can instead pass in
a normal non-pointer value for LSR, and simply return the
residual (unprocessed) LSR once it is done.

The value in this cleanup, is that it clarifies the API of the
receive_chars prior to exporting it to other 8250-like drivers
for shared usage.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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