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MIPS: Netlogic: Fix sign extension in PIC write

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This does not cause a problem yet, but we do not want to write 1
to reserved bits.

Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5424/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Jayachandran C 2013-06-10 06:41:06 +00:00 committed by Ralf Baechle
parent fd5f527cc5
commit 9f1f1e7b8b
1 changed files with 1 additions and 1 deletions
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2
arch/mips/include/asm/netlogic/xlp-hal/pic.h
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@ -315,7 +315,7 @@ nlm_pic_send_ipi(uint64_t base, int hwt, int irq, int nmi)
{
uint64_t ipi;
ipi = (nmi << 31) | (irq << 20);
ipi = ((uint64_t)nmi << 31) | (irq << 20);
ipi |= ((hwt >> 4) << 16) | (1 << (hwt & 0xf)); /* cpuset and mask */
nlm_write_pic_reg(base, PIC_IPI_CTL, ipi);
}