Author: imp
Date: Mon Jan 20 17:45:36 2014
New Revision: 260911
URL: http://svnweb.freebsd.org/changeset/base/260911
Log:
Don't lock in the generic grab just to lock again in the specific grabs.
(I committed the wrong version of uart_core.c, which still had this).
Pointy hat: imp
Modified:
head/sys/dev/uart/uart_core.c
Modified: head/sys/dev/uart/uart_core.c
==============================================================================
--- head/sys/dev/uart/uart_core.c Mon Jan 20 15:51:02 2014
(r260910)
+++ head/sys/dev/uart/uart_core.c Mon Jan 20 17:45:36 2014
(r260911)
@@ -629,18 +629,14 @@ void
uart_grab(struct uart_devinfo *di)
{
- uart_lock(di->hwmtx);
if (di->sc)
UART_GRAB(di->sc);
- uart_unlock(di->hwmtx);
}
void
uart_ungrab(struct uart_devinfo *di)
{
- uart_lock(di->hwmtx);
if (di->sc)
UART_UNGRAB(di->sc);
- uart_unlock(di->hwmtx);
}
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