The patch titled
serial: clear proper MPSC interrupt cause bits
has been added to the -mm tree. Its filename is
serial-clear-proper-mpsc-interrupt-cause-bits.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: serial: clear proper MPSC interrupt cause bits
From: Jay Lubomirski <jaylubo@xxxxxxxxxxxx>
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@xxxxxxxxxxxx>
Acked-by: Mark A. Greer <mgreer@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/serial/mpsc.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff -puN drivers/serial/mpsc.c~serial-clear-proper-mpsc-interrupt-cause-bits drivers/serial/mpsc.c
--- a/drivers/serial/mpsc.c~serial-clear-proper-mpsc-interrupt-cause-bits
+++ a/drivers/serial/mpsc.c
@@ -503,7 +503,8 @@ mpsc_sdma_intr_ack(struct mpsc_port_info
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;
}
_
Patches currently in -mm which might be from jaylubo@xxxxxxxxxxxx are
serial-clear-proper-mpsc-interrupt-cause-bits.patch
-
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