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Date: Sat, 5 Mar 2022 15:41:13 +0100
From: Martin Kaiser <martin@...ser.cx>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Larry Finger <Larry.Finger@...inger.net>,
Phillip Potter <phil@...lpotter.co.uk>,
Michael Straube <straube.linux@...il.com>,
linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
Martin Kaiser <martin@...ser.cx>
Subject: [PATCH 1/5] staging: r8188eu: remove tmp variable in update_recvframe_attrib_88e
Remove an unnecessary temporary variable in update_recvframe_attrib_88e.
We can use the prxstat pointer directly to parse the input data. There's
no need to store a local copy in "report".
Signed-off-by: Martin Kaiser <martin@...ser.cx>
---
drivers/staging/r8188eu/hal/rtl8188e_rxdesc.c | 52 ++++++++-----------
1 file changed, 22 insertions(+), 30 deletions(-)
diff --git a/drivers/staging/r8188eu/hal/rtl8188e_rxdesc.c b/drivers/staging/r8188eu/hal/rtl8188e_rxdesc.c
index 101091342e4e..ad5cbf0942fb 100644
--- a/drivers/staging/r8188eu/hal/rtl8188e_rxdesc.c
+++ b/drivers/staging/r8188eu/hal/rtl8188e_rxdesc.c
@@ -58,62 +58,54 @@ void rtl8188e_process_phy_info(struct adapter *padapter, void *prframe)
void update_recvframe_attrib_88e(struct recv_frame *precvframe, struct recv_stat *prxstat)
{
struct rx_pkt_attrib *pattrib;
- struct recv_stat report;
-
- report.rxdw0 = prxstat->rxdw0;
- report.rxdw1 = prxstat->rxdw1;
- report.rxdw2 = prxstat->rxdw2;
- report.rxdw3 = prxstat->rxdw3;
- report.rxdw4 = prxstat->rxdw4;
- report.rxdw5 = prxstat->rxdw5;
pattrib = &precvframe->attrib;
memset(pattrib, 0, sizeof(struct rx_pkt_attrib));
- pattrib->crc_err = (u8)((le32_to_cpu(report.rxdw0) >> 14) & 0x1);/* u8)prxreport->crc32; */
+ pattrib->crc_err = (u8)((le32_to_cpu(prxstat->rxdw0) >> 14) & 0x1);/* u8)prxreport->crc32; */
/* update rx report to recv_frame attribute */
- pattrib->pkt_rpt_type = (u8)((le32_to_cpu(report.rxdw3) >> 14) & 0x3);/* prxreport->rpt_sel; */
+ pattrib->pkt_rpt_type = (u8)((le32_to_cpu(prxstat->rxdw3) >> 14) & 0x3);/* prxreport->rpt_sel; */
if (pattrib->pkt_rpt_type == NORMAL_RX) { /* Normal rx packet */
- pattrib->pkt_len = (u16)(le32_to_cpu(report.rxdw0) & 0x00003fff);/* u16)prxreport->pktlen; */
- pattrib->drvinfo_sz = (u8)((le32_to_cpu(report.rxdw0) >> 16) & 0xf) * 8;/* u8)(prxreport->drvinfosize << 3); */
+ pattrib->pkt_len = (u16)(le32_to_cpu(prxstat->rxdw0) & 0x00003fff);/* u16)prxreport->pktlen; */
+ pattrib->drvinfo_sz = (u8)((le32_to_cpu(prxstat->rxdw0) >> 16) & 0xf) * 8;/* u8)(prxreport->drvinfosize << 3); */
- pattrib->physt = (u8)((le32_to_cpu(report.rxdw0) >> 26) & 0x1);/* u8)prxreport->physt; */
+ pattrib->physt = (u8)((le32_to_cpu(prxstat->rxdw0) >> 26) & 0x1);/* u8)prxreport->physt; */
- pattrib->bdecrypted = (le32_to_cpu(report.rxdw0) & BIT(27)) ? 0 : 1;/* u8)(prxreport->swdec ? 0 : 1); */
- pattrib->encrypt = (u8)((le32_to_cpu(report.rxdw0) >> 20) & 0x7);/* u8)prxreport->security; */
+ pattrib->bdecrypted = (le32_to_cpu(prxstat->rxdw0) & BIT(27)) ? 0 : 1;/* u8)(prxreport->swdec ? 0 : 1); */
+ pattrib->encrypt = (u8)((le32_to_cpu(prxstat->rxdw0) >> 20) & 0x7);/* u8)prxreport->security; */
- pattrib->qos = (le32_to_cpu(report.rxdw0) >> 23) & 0x1;/* prxreport->qos; */
- pattrib->priority = (u8)((le32_to_cpu(report.rxdw1) >> 8) & 0xf);/* u8)prxreport->tid; */
+ pattrib->qos = (le32_to_cpu(prxstat->rxdw0) >> 23) & 0x1;/* prxreport->qos; */
+ pattrib->priority = (u8)((le32_to_cpu(prxstat->rxdw1) >> 8) & 0xf);/* u8)prxreport->tid; */
- pattrib->amsdu = (u8)((le32_to_cpu(report.rxdw1) >> 13) & 0x1);/* u8)prxreport->amsdu; */
+ pattrib->amsdu = (u8)((le32_to_cpu(prxstat->rxdw1) >> 13) & 0x1);/* u8)prxreport->amsdu; */
- pattrib->seq_num = (u16)(le32_to_cpu(report.rxdw2) & 0x00000fff);/* u16)prxreport->seq; */
- pattrib->frag_num = (u8)((le32_to_cpu(report.rxdw2) >> 12) & 0xf);/* u8)prxreport->frag; */
- pattrib->mfrag = (u8)((le32_to_cpu(report.rxdw1) >> 27) & 0x1);/* u8)prxreport->mf; */
- pattrib->mdata = (u8)((le32_to_cpu(report.rxdw1) >> 26) & 0x1);/* u8)prxreport->md; */
+ pattrib->seq_num = (u16)(le32_to_cpu(prxstat->rxdw2) & 0x00000fff);/* u16)prxreport->seq; */
+ pattrib->frag_num = (u8)((le32_to_cpu(prxstat->rxdw2) >> 12) & 0xf);/* u8)prxreport->frag; */
+ pattrib->mfrag = (u8)((le32_to_cpu(prxstat->rxdw1) >> 27) & 0x1);/* u8)prxreport->mf; */
+ pattrib->mdata = (u8)((le32_to_cpu(prxstat->rxdw1) >> 26) & 0x1);/* u8)prxreport->md; */
- pattrib->mcs_rate = (u8)(le32_to_cpu(report.rxdw3) & 0x3f);/* u8)prxreport->rxmcs; */
- pattrib->rxht = (u8)((le32_to_cpu(report.rxdw3) >> 6) & 0x1);/* u8)prxreport->rxht; */
+ pattrib->mcs_rate = (u8)(le32_to_cpu(prxstat->rxdw3) & 0x3f);/* u8)prxreport->rxmcs; */
+ pattrib->rxht = (u8)((le32_to_cpu(prxstat->rxdw3) >> 6) & 0x1);/* u8)prxreport->rxht; */
- pattrib->icv_err = (u8)((le32_to_cpu(report.rxdw0) >> 15) & 0x1);/* u8)prxreport->icverr; */
- pattrib->shift_sz = (u8)((le32_to_cpu(report.rxdw0) >> 24) & 0x3);
+ pattrib->icv_err = (u8)((le32_to_cpu(prxstat->rxdw0) >> 15) & 0x1);/* u8)prxreport->icverr; */
+ pattrib->shift_sz = (u8)((le32_to_cpu(prxstat->rxdw0) >> 24) & 0x3);
} else if (pattrib->pkt_rpt_type == TX_REPORT1) { /* CCX */
pattrib->pkt_len = TX_RPT1_PKT_LEN;
pattrib->drvinfo_sz = 0;
} else if (pattrib->pkt_rpt_type == TX_REPORT2) { /* TX RPT */
- pattrib->pkt_len = (u16)(le32_to_cpu(report.rxdw0) & 0x3FF);/* Rx length[9:0] */
+ pattrib->pkt_len = (u16)(le32_to_cpu(prxstat->rxdw0) & 0x3FF);/* Rx length[9:0] */
pattrib->drvinfo_sz = 0;
/* */
/* Get TX report MAC ID valid. */
/* */
- pattrib->MacIDValidEntry[0] = le32_to_cpu(report.rxdw4);
- pattrib->MacIDValidEntry[1] = le32_to_cpu(report.rxdw5);
+ pattrib->MacIDValidEntry[0] = le32_to_cpu(prxstat->rxdw4);
+ pattrib->MacIDValidEntry[1] = le32_to_cpu(prxstat->rxdw5);
} else if (pattrib->pkt_rpt_type == HIS_REPORT) { /* USB HISR RPT */
- pattrib->pkt_len = (u16)(le32_to_cpu(report.rxdw0) & 0x00003fff);/* u16)prxreport->pktlen; */
+ pattrib->pkt_len = (u16)(le32_to_cpu(prxstat->rxdw0) & 0x00003fff);/* u16)prxreport->pktlen; */
}
}
--
2.30.2
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