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usb: host: fotg210: Use dma_pool_zalloc 

Replacing dma_pool_alloc and memset with a single call to dma_pool_zalloc

Signed-off-by: Vasyl Gomonovych <gomonovych@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
hifive-unleashed-5.1
Vasyl Gomonovych 2017-11-30 23:05:24 +01:00 committed by Greg Kroah-Hartman
parent c0f3ed87fd
commit cb6a0db8fd
1 changed files with 2 additions and 5 deletions
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7
drivers/usb/host/fotg210-hcd.c
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@ -1865,11 +1865,9 @@ static struct fotg210_qh *fotg210_qh_alloc(struct fotg210_hcd *fotg210,
qh = kzalloc(sizeof(*qh), GFP_ATOMIC);
if (!qh)
goto done;
qh->hw = (struct fotg210_qh_hw *)
dma_pool_alloc(fotg210->qh_pool, flags, &dma);
qh->hw = dma_pool_zalloc(fotg210->qh_pool, flags, &dma);
if (!qh->hw)
goto fail;
memset(qh->hw, 0, sizeof(*qh->hw));
qh->qh_dma = dma;
INIT_LIST_HEAD(&qh->qtd_list);
@ -4121,7 +4119,7 @@ static int itd_urb_transaction(struct fotg210_iso_stream *stream,
} else {
alloc_itd:
spin_unlock_irqrestore(&fotg210->lock, flags);
itd = dma_pool_alloc(fotg210->itd_pool, mem_flags,
itd = dma_pool_zalloc(fotg210->itd_pool, mem_flags,
&itd_dma);
spin_lock_irqsave(&fotg210->lock, flags);
if (!itd) {
@ -4131,7 +4129,6 @@ alloc_itd:
}
}
memset(itd, 0, sizeof(*itd));
itd->itd_dma = itd_dma;
list_add(&itd->itd_list, &sched->td_list);
}