[PATCH 4.4 078/115] powerpc/ipic: Fix status get and status clear

Greg Kroah-Hartman
2017-12-18T18:00:04Z

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
@@ -845,12 +845,12 @@ 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. */