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Date: Fri, 28 Jun 2019 10:50:54 +0800 From: Fuqian Huang <huangfq.daxian@...il.com> To: unlisted-recipients:; (no To-header on input) Cc: Fuqian Huang <huangfq.daxian@...il.com>, Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>, Benjamin Herrenschmidt <benh@...nel.crashing.org>, Paul Mackerras <paulus@...ba.org>, Michael Ellerman <mpe@...erman.id.au>, Rob Herring <robh@...nel.org>, Allison Randal <allison@...utok.net>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Richard Fontana <rfontana@...hat.com>, Thomas Gleixner <tglx@...utronix.de>, alsa-devel@...a-project.org, linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org Subject: [PATCH v2 27/27] sound: ppc: remove unneeded memset after dma_alloc_coherent In commit af7ddd8a627c ("Merge tag 'dma-mapping-4.21' of git://git.infradead.org/users/hch/dma-mapping"), dma_alloc_coherent has already zeroed the memory. So memset is not needed. Signed-off-by: Fuqian Huang <huangfq.daxian@...il.com> --- sound/ppc/pmac.c | 1 - 1 file changed, 1 deletion(-) diff --git a/sound/ppc/pmac.c b/sound/ppc/pmac.c index 1b11e53f6a62..1ab12f4f8631 100644 --- a/sound/ppc/pmac.c +++ b/sound/ppc/pmac.c @@ -56,7 +56,6 @@ static int snd_pmac_dbdma_alloc(struct snd_pmac *chip, struct pmac_dbdma *rec, i if (rec->space == NULL) return -ENOMEM; rec->size = size; - memset(rec->space, 0, rsize); rec->cmds = (void __iomem *)DBDMA_ALIGN(rec->space); rec->addr = rec->dma_base + (unsigned long)((char *)rec->cmds - (char *)rec->space); -- 2.11.0
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