staging: vt6655: replace and resize dwIsr

dwIsr is not used outside vnt_interrupt_process and should
be u32.

Move to function and resize to u32.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/vt6655/device.h b/drivers/staging/vt6655/device.h
index b928c2a..5cf1b33 100644 (file)
--- a/drivers/staging/vt6655/device.h
+++ b/drivers/staging/vt6655/device.h
@@ -238,7 +238,6 @@ struct vnt_private {
        CHIP_TYPE                   chip_id;
 
        void __iomem                *PortOffset;
-       unsigned long dwIsr;
        u32                         memaddr;
        u32                         ioaddr;
        u32                         io_size;

diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
index 575ba87..aec3cce 100644 (file)
--- a/drivers/staging/vt6655/device_main.c
+++ b/drivers/staging/vt6655/device_main.c
@@ -1056,15 +1056,16 @@ static void vnt_interrupt_process(struct vnt_private *priv)
        struct ieee80211_low_level_stats *low_stats = &priv->low_stats;
        int             max_count = 0;
        u32 mib_counter;
+       u32 isr;
        unsigned long flags;
 
-       MACvReadISR(priv->PortOffset, &priv->dwIsr);
+       MACvReadISR(priv->PortOffset, &isr);
 
-       if (priv->dwIsr == 0)
+       if (isr == 0)
                return;
 
-       if (priv->dwIsr == 0xffffffff) {
-               pr_debug("dwIsr = 0xffff\n");
+       if (isr == 0xffffffff) {
+               pr_debug("isr = 0xffff\n");
                return;
        }
 
@@ -1086,18 +1087,18 @@ static void vnt_interrupt_process(struct vnt_private *priv)
         * than RD/TD write back
         * update ISR counter
         */
-       while (priv->dwIsr && priv->vif) {
-               MACvWriteISR(priv->PortOffset, priv->dwIsr);
+       while (isr && priv->vif) {
+               MACvWriteISR(priv->PortOffset, isr);
 
-               if (priv->dwIsr & ISR_FETALERR) {
+               if (isr & ISR_FETALERR) {
                        pr_debug(" ISR_FETALERR\n");
                        VNSvOutPortB(priv->PortOffset + MAC_REG_SOFTPWRCTL, 0);
                        VNSvOutPortW(priv->PortOffset +
                                     MAC_REG_SOFTPWRCTL, SOFTPWRCTL_SWPECTI);
-                       device_error(priv, priv->dwIsr);
+                       device_error(priv, isr);
                }
 
-               if (priv->dwIsr & ISR_TBTT) {
+               if (isr & ISR_TBTT) {
                        if (priv->op_mode != NL80211_IFTYPE_ADHOC)
                                vnt_check_bb_vga(priv);
 
@@ -1116,7 +1117,7 @@ static void vnt_interrupt_process(struct vnt_private *priv)
 
                }
 
-               if (priv->dwIsr & ISR_BNTX) {
+               if (isr & ISR_BNTX) {
                        if (priv->op_mode == NL80211_IFTYPE_ADHOC) {
                                priv->bIsBeaconBufReadySet = false;
                                priv->cbBeaconBufReadySetCnt = 0;
@@ -1125,19 +1126,19 @@ static void vnt_interrupt_process(struct vnt_private *priv)
                        priv->bBeaconSent = true;
                }
 
-               if (priv->dwIsr & ISR_RXDMA0)
+               if (isr & ISR_RXDMA0)
                        max_count += device_rx_srv(priv, TYPE_RXDMA0);
 
-               if (priv->dwIsr & ISR_RXDMA1)
+               if (isr & ISR_RXDMA1)
                        max_count += device_rx_srv(priv, TYPE_RXDMA1);
 
-               if (priv->dwIsr & ISR_TXDMA0)
+               if (isr & ISR_TXDMA0)
                        max_count += device_tx_srv(priv, TYPE_TXDMA0);
 
-               if (priv->dwIsr & ISR_AC0DMA)
+               if (isr & ISR_AC0DMA)
                        max_count += device_tx_srv(priv, TYPE_AC0DMA);
 
-               if (priv->dwIsr & ISR_SOFTTIMER1) {
+               if (isr & ISR_SOFTTIMER1) {
                        if (priv->vif->bss_conf.enable_beacon)
                                vnt_beacon_make(priv, priv->vif);
                }
@@ -1148,7 +1149,7 @@ static void vnt_interrupt_process(struct vnt_private *priv)
                    ieee80211_queue_stopped(priv->hw, 0))
                        ieee80211_wake_queues(priv->hw);
 
-               MACvReadISR(priv->PortOffset, &priv->dwIsr);
+               MACvReadISR(priv->PortOffset, &isr);
 
                MACvReceive0(priv->PortOffset);
                MACvReceive1(priv->PortOffset);