This is a note to let you know that I've just added the patch titled
powerpc/powernv: Reset root port in firmware
to the 3.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
powerpc-powernv-reset-root-port-in-firmware.patch
and it can be found in the queue-3.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 372cf1244d7c271806b83b32b09a1c8b1b31b353 Mon Sep 17 00:00:00 2001
From: Gavin Shan <[email protected]>
Date: Thu, 24 Apr 2014 18:00:22 +1000
Subject: powerpc/powernv: Reset root port in firmware
From: Gavin Shan <[email protected]>
commit 372cf1244d7c271806b83b32b09a1c8b1b31b353 upstream.
Resetting root port has more stuff to do than that for PCIe switch
ports and we should have resetting root port done in firmware instead
of the kernel itself. The problem was introduced by commit 5b2e198e
("powerpc/powernv: Rework EEH reset").
Signed-off-by: Gavin Shan <[email protected]>
Signed-off-by: Benjamin Herrenschmidt <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
arch/powerpc/platforms/powernv/eeh-ioda.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/arch/powerpc/platforms/powernv/eeh-ioda.c
+++ b/arch/powerpc/platforms/powernv/eeh-ioda.c
@@ -549,7 +549,8 @@ static int ioda_eeh_reset(struct eeh_pe
ret = ioda_eeh_phb_reset(hose, option);
} else {
bus = eeh_pe_bus_get(pe);
- if (pci_is_root_bus(bus))
+ if (pci_is_root_bus(bus) ||
+ pci_is_root_bus(bus->parent))
ret = ioda_eeh_root_reset(hose, option);
else
ret = ioda_eeh_bridge_reset(hose, bus->self, option);
Patches currently in stable-queue which might be from [email protected]
are
queue-3.14/powerpc-powernv-reset-root-port-in-firmware.patch
queue-3.14/pci-wrong-register-used-to-check-pending-traffic.patch
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