Messages in this thread Patch in this message | | | Date | Thu, 21 Jun 2007 19:32:08 -0700 | From | "Mark A. Greer" <> | Subject | [PATCH] serial: Clear proper MPSC interrupt cause bits |
| |
From: Jay Lubomirski <jaylubo@motorola.com>
Don't clobber the interrupt cause bits for both MPSC controllers when clearing the interrupt for one of them. Just clear the one that is supposed to be cleared.
Signed-off-by: Jay Lubomirski <jaylubo@motorola.com> Acked-by: Mark A. Greer <mgreer@mvista.com> --- drivers/serial/mpsc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/serial/mpsc.c b/drivers/serial/mpsc.c index d09f209..00924fe 100644 --- a/drivers/serial/mpsc.c +++ b/drivers/serial/mpsc.c @@ -503,7 +503,8 @@ mpsc_sdma_intr_ack(struct mpsc_port_info *pi) if (pi->mirror_regs) pi->shared_regs->SDMA_INTR_CAUSE_m = 0; - writel(0, pi->shared_regs->sdma_intr_base + SDMA_INTR_CAUSE); + writeb(0x00, pi->shared_regs->sdma_intr_base + SDMA_INTR_CAUSE + + pi->port.line); return; } - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |