The patch titled
SERIAL: allow shared 8250_pnp interrupts
has been added to the -mm tree. Its filename is
serial-allow-shared-8250_pnp-interrupts.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: SERIAL: allow shared 8250_pnp interrupts
From: Bjorn Helgaas <bjorn.helgaas@xxxxxx>
PNP devices can use shared interrupts, so check to see whether we'll need
SA_SHIRQ for request_irq().
The builtin PDH UART on the HP rx8640 is an example of an ACPI/PNP device
that uses a shareable level-triggered, active-low interrupt. The interrupt
can be shared in very large I/O configurations or by artificially lowering
IA64_DEF_LAST_DEVICE_VECTOR.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@xxxxxx>
Cc: Adam Belay <ambx1@xxxxxxxxxx>
Cc: Matthieu Castet <castet.matthieu@xxxxxxx>
Cc: Li Shaohua <shaohua.li@xxxxxxxxx>
Cc: Len Brown <len.brown@xxxxxxxxx>
Cc: Russell King <rmk@xxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/serial/8250_pnp.c | 2 ++
1 files changed, 2 insertions(+)
diff -puN drivers/serial/8250_pnp.c~serial-allow-shared-8250_pnp-interrupts drivers/serial/8250_pnp.c
--- a/drivers/serial/8250_pnp.c~serial-allow-shared-8250_pnp-interrupts
+++ a/drivers/serial/8250_pnp.c
@@ -431,6 +431,8 @@ serial_pnp_probe(struct pnp_dev *dev, co
#endif
port.flags |= UPF_SKIP_TEST | UPF_BOOT_AUTOCONF;
+ if (pnp_irq_flags(dev, 0) & IORESOURCE_IRQ_SHAREABLE)
+ port.flags |= UPF_SHARE_IRQ;
port.uartclk = 1843200;
port.dev = &dev->dev;
_
Patches currently in -mm which might be from bjorn.helgaas@xxxxxx are
origin.patch
irq-use-sa_percpu_irq-not-irq_per_cpu-for-irqactionflags.patch
irq-warning-message-cleanup.patch
git-acpi.patch
pnpacpi-reject-acpi_producer-resources.patch
pnpacpi-support-shareable-interrupts.patch
serial-allow-shared-8250_pnp-interrupts.patch
2.6-sony_acpi4.patch
git-klibc.patch
e100-disable-interrupts-at-boot.patch
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