From: Jayachandran C Date: Mon, 10 Jun 2013 06:41:06 +0000 (+0000) Subject: MIPS: Netlogic: Fix sign extension in PIC write X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=9f1f1e7b8b76d8503673a3777b3ee743d8c50e13;p=linux-beck.git MIPS: Netlogic: Fix sign extension in PIC write This does not cause a problem yet, but we do not want to write 1 to reserved bits. Signed-off-by: Jayachandran C Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/5424/ Signed-off-by: Ralf Baechle --- diff --git a/arch/mips/include/asm/netlogic/xlp-hal/pic.h b/arch/mips/include/asm/netlogic/xlp-hal/pic.h index a981f4681a15..4b5108dfaa16 100644 --- a/arch/mips/include/asm/netlogic/xlp-hal/pic.h +++ b/arch/mips/include/asm/netlogic/xlp-hal/pic.h @@ -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); }