Patch "powerpc/ipic: Fix status get and status clear" has been added to the 3.18-stable tree

Patch "powerpc/ipic: Fix status get and status clear" has been added to the 3.18-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    powerpc/ipic: Fix status get and status clear

to the 3.18-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-ipic-fix-status-get-and-status-clear.patch
and it can be found in the queue-3.18 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From foo@baz Mon Dec 18 15:03:25 CET 2017
From: Christophe Leroy <christophe.leroy@c-s.fr>
Date: Wed, 18 Oct 2017 11:16:47 +0200
Subject: powerpc/ipic: Fix status get and status clear

From: Christophe Leroy <christophe.leroy@c-s.fr>


[ Upstream commit 6b148a7ce72a7f87c81cbcde48af014abc0516a9 ]

IPIC Status is provided by register IPIC_SERSR and not by IPIC_SERMR
which is the mask register.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 arch/powerpc/sysdev/ipic.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/arch/powerpc/sysdev/ipic.c
+++ b/arch/powerpc/sysdev/ipic.c
@@ -844,12 +844,12 @@ void ipic_disable_mcp(enum ipic_mcp_irq
 
 u32 ipic_get_mcp_status(void)
 {
-	return ipic_read(primary_ipic->regs, IPIC_SERMR);
+	return ipic_read(primary_ipic->regs, IPIC_SERSR);
 }
 
 void ipic_clear_mcp_status(u32 mask)
 {
-	ipic_write(primary_ipic->regs, IPIC_SERMR, mask);
+	ipic_write(primary_ipic->regs, IPIC_SERSR, mask);
 }
 
 /* Return an interrupt vector or NO_IRQ if no interrupt is pending. */


Patches currently in stable-queue which might be from christophe.leroy@c-s.fr are

queue-3.18/powerpc-ipic-fix-status-get-and-status-clear.patch