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Don't lock in the generic grab just to lock again in the specific grabs.

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(I committed the wrong version of uart_core.c, which still had this).

Pointy hat: imp
This commit is contained in:
Warner Losh 2014-01-20 17:45:36 +00:00
parent c9341dd343
commit 138277120c
1 changed files with 0 additions and 4 deletions
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4
sys/dev/uart/uart_core.c
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@ -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);
}