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Message-Id: <eaf62204505e3bbed323ab432792ca4a16b3950a.1432012060.git.christophe.leroy@c-s.fr> Date: Tue, 19 May 2015 12:07:46 +0200 (CEST) From: Christophe Leroy <christophe.leroy@....fr> To: Benjamin Herrenschmidt <benh@...nel.crashing.org>, Paul Mackerras <paulus@...ba.org>, Michael Ellerman <mpe@...erman.id.au>, scottwood@...escale.com Cc: linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org, Joakim Tjernlund <joakim.tjernlund@...nsmode.se> Subject: [PATCH v2 1/6] powerpc: use memset_io() to clear CPM Muram CPM muram is not cached, so use memset_io() instead of memset() Signed-off-by: Christophe Leroy <christophe.leroy@....fr> --- arch/powerpc/sysdev/cpm_common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/sysdev/cpm_common.c b/arch/powerpc/sysdev/cpm_common.c index 4f78695..e2ea519 100644 --- a/arch/powerpc/sysdev/cpm_common.c +++ b/arch/powerpc/sysdev/cpm_common.c @@ -147,7 +147,7 @@ unsigned long cpm_muram_alloc(unsigned long size, unsigned long align) spin_lock_irqsave(&cpm_muram_lock, flags); cpm_muram_info.alignment = align; start = rh_alloc(&cpm_muram_info, size, "commproc"); - memset(cpm_muram_addr(start), 0, size); + memset_io(cpm_muram_addr(start), 0, size); spin_unlock_irqrestore(&cpm_muram_lock, flags); return start; -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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