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Commit 55bae20a authored by Christophe Leroy's avatar Christophe Leroy Committed by Greg Kroah-Hartman
Browse files

powerpc/ipic: Fix status get and status clear 




[ Upstream commit 6b148a7ce72a7f87c81cbcde48af014abc0516a9 ]

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

Signed-off-by: default avatarChristophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Signed-off-by: default avatarSasha Levin <alexander.levin@verizon.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent b1a66b19

arch/powerpc/sysdev/ipic.c

+2 −2
Original line number Diff line number Diff line
@@ -844,12 +844,12 @@ void ipic_disable_mcp(enum ipic_mcp_irq 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. */