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usb: mtu3: remove unnecessary local variable @req

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The local variable @req is unnecessary in qmu_tx_zlp_error_handler,
so remove it.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chunfeng Yun 2019-03-21 10:53:41 +08:00 committed by Greg Kroah-Hartman
parent c858b4f373
commit 13d944ebdc
1 changed files with 2 additions and 5 deletions
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7
drivers/usb/mtu3/mtu3_qmu.c
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@ -382,16 +382,13 @@ static void qmu_tx_zlp_error_handler(struct mtu3 *mtu, u8 epnum)
struct mtu3_gpd_ring *ring = &mep->gpd_ring;
void __iomem *mbase = mtu->mac_base;
struct qmu_gpd *gpd_current = NULL;
struct usb_request *req = NULL;
struct mtu3_request *mreq;
dma_addr_t cur_gpd_dma;
u32 txcsr = 0;
int ret;
mreq = next_request(mep);
if (mreq && mreq->request.length == 0)
req = &mreq->request;
else
if (mreq && mreq->request.length != 0)
return;
cur_gpd_dma = read_txq_cur_addr(mbase, epnum);
@ -402,7 +399,7 @@ static void qmu_tx_zlp_error_handler(struct mtu3 *mtu, u8 epnum)
return;
}
dev_dbg(mtu->dev, "%s send ZLP for req=%p\n", __func__, req);
dev_dbg(mtu->dev, "%s send ZLP for req=%p\n", __func__, mreq);
mtu3_clrbits(mbase, MU3D_EP_TXCR0(mep->epnum), TX_DMAREQEN);