Staging: et131x: Clean up number fields

Lots of RX typedefs are just low bits of a u32, so clean them all up in one
go and just work them directly.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

2 files changed, 47 insertions, 98 deletions

diff --git a/drivers/staging/et131x/et1310_address_map.h b/drivers/staging/et131x/et1310_address_map.h
index c447e9a3ed92..019588d13127 100644
--- a/drivers/staging/et131x/et1310_address_map.h
+++ b/drivers/staging/et131x/et1310_address_map.h
@@ -339,19 +339,10 @@ typedef union _RXDMA_CSR_t {
 /*
  * structure for number of packets done reg in rxdma address map
  * located at address 0x200C
+ *
+ * 31-8: unused
+ * 7-0: num done
  */
-typedef union _RXDMA_NUM_PKT_DONE_t {
-        u32 value;
-        struct {
-#ifdef _BIT_FIELDS_HTOL
-                u32 unused:24;  /* bits 8-31 */
-                u32 num_done:8; /* bits 0-7 */
-#else
-                u32 num_done:8; /* bits 0-7 */
-                u32 unused:24;  /* bits 8-31 */
-#endif
-        } bits;
-} RXDMA_NUM_PKT_DONE_t, *PRXDMA_NUM_PKT_DONE_t;
 
 /*
  * structure for max packet time reg in rxdma address map
@@ -394,19 +385,10 @@ typedef union _RXDMA_NUM_PKT_DONE_t {
 /*
  * structure for packet status ring number of descriptors reg in rxdma address
  * map.  Located at address 0x2028
+ *
+ * 31-12: unused
+ * 11-0: psr ndes
  */
-typedef union _RXDMA_PSR_NUM_DES_t {
-        u32 value;
-        struct {
-#ifdef _BIT_FIELDS_HTOL
-                u32 unused:20;          /* bits 12-31 */
-                u32 psr_ndes:12;        /* bit 0-11 */
-#else
-                u32 psr_ndes:12;        /* bit 0-11 */
-                u32 unused:20;          /* bits 12-31 */
-#endif
-        } bits;
-} RXDMA_PSR_NUM_DES_t, *PRXDMA_PSR_NUM_DES_t;
 
 /*
  * structure for packet status ring available offset reg in rxdma address map
@@ -449,36 +431,18 @@ typedef union _RXDMA_PSR_FULL_OFFSET_t {
 /*
  * structure for packet status ring access index reg in rxdma address map
  * located at address 0x2034
+ *
+ * 31-5: unused
+ * 4-0: psr_ai
  */
-typedef union _RXDMA_PSR_ACCESS_INDEX_t {
-        u32 value;
-        struct {
-#ifdef _BIT_FIELDS_HTOL
-                u32 unused:27;  /* bits 5-31 */
-                u32 psr_ai:5;   /* bits 0-4 */
-#else
-                u32 psr_ai:5;   /* bits 0-4 */
-                u32 unused:27;  /* bits 5-31 */
-#endif
-        } bits;
-} RXDMA_PSR_ACCESS_INDEX_t, *PRXDMA_PSR_ACCESS_INDEX_t;
 
 /*
  * structure for packet status ring minimum descriptors reg in rxdma address
  * map.  Located at address 0x2038
+ *
+ * 31-12: unused
+ * 11-0: psr_min
  */
-typedef union _RXDMA_PSR_MIN_DES_t {
-        u32 value;
-        struct {
-#ifdef _BIT_FIELDS_HTOL
-                u32 unused:20;  /* bits 12-31 */
-                u32 psr_min:12; /* bits 0-11 */
-#else
-                u32 psr_min:12; /* bits 0-11 */
-                u32 unused:20;  /* bits 12-31 */
-#endif
-        } bits;
-} RXDMA_PSR_MIN_DES_t, *PRXDMA_PSR_MIN_DES_t;
 
 /*
  * structure for free buffer ring base lo address reg in rxdma address map
@@ -495,6 +459,9 @@ typedef union _RXDMA_PSR_MIN_DES_t {
 /*
  * structure for free buffer ring number of descriptors reg in rxdma address
  * map.  Located at address 0x2044
+ *
+ * 31-10: unused
+ * 9-0: fbr ndesc
  */
 typedef union _RXDMA_FBR_NUM_DES_t {
         u32 value;
@@ -524,36 +491,18 @@ typedef union _RXDMA_FBR_NUM_DES_t {
 /*
  * structure for free buffer cache 0 full offset reg in rxdma address map
  * located at address 0x2050
+ *
+ * 31-5: unused
+ * 4-0: fbc rdi
  */
-typedef union _RXDMA_FBC_RD_INDEX_t {
-        u32 value;
-        struct {
-#ifdef _BIT_FIELDS_HTOL
-                u32 unused:27;  /* bits 5-31 */
-                u32 fbc_rdi:5;  /* bit 0-4 */
-#else
-                u32 fbc_rdi:5;  /* bit 0-4 */
-                u32 unused:27;  /* bits 5-31 */
-#endif
-        } bits;
-} RXDMA_FBC_RD_INDEX_t, *PRXDMA_FBC_RD_INDEX_t;
 
 /*
  * structure for free buffer ring 0 minimum descriptor reg in rxdma address map
  * located at address 0x2054
+ *
+ * 31-10: unused
+ * 9-0: fbr min
  */
-typedef union _RXDMA_FBR_MIN_DES_t {
-        u32 value;
-        struct {
-#ifdef _BIT_FIELDS_HTOL
-                u32 unused:22;  /* bits 10-31 */
-                u32 fbr_min:10; /* bits 0-9 */
-#else
-                u32 fbr_min:10; /* bits 0-9 */
-                u32 unused:22;  /* bits 10-31 */
-#endif
-        } bits;
-} RXDMA_FBR_MIN_DES_t, *PRXDMA_FBR_MIN_DES_t;
 
 /*
  * structure for free buffer ring 1 base address lo reg in rxdma address map
@@ -599,32 +548,32 @@ typedef struct _RXDMA_t {				/* Location: */
         RXDMA_CSR_t csr;                                /*  0x2000 */
         u32 dma_wb_base_lo;                             /*  0x2004 */
         u32 dma_wb_base_hi;                             /*  0x2008 */
-        RXDMA_NUM_PKT_DONE_t num_pkt_done;              /*  0x200C */
+        u32 num_pkt_done;                               /*  0x200C */
         u32 max_pkt_time;                               /*  0x2010 */
         u32 rxq_rd_addr;                                /*  0x2014 */
-        u32 rxq_rd_addr_ext;                    /*  0x2018 */
+        u32 rxq_rd_addr_ext;                            /*  0x2018 */
         u32 rxq_wr_addr;                                /*  0x201C */
         u32 psr_base_lo;                                /*  0x2020 */
         u32 psr_base_hi;                                /*  0x2024 */
-        RXDMA_PSR_NUM_DES_t psr_num_des;                /*  0x2028 */
+        u32 psr_num_des;                                /*  0x2028 */
         RXDMA_PSR_AVAIL_OFFSET_t psr_avail_offset;      /*  0x202C */
         RXDMA_PSR_FULL_OFFSET_t psr_full_offset;        /*  0x2030 */
-        RXDMA_PSR_ACCESS_INDEX_t psr_access_index;      /*  0x2034 */
-        RXDMA_PSR_MIN_DES_t psr_min_des;                /*  0x2038 */
+        u32 psr_access_index;                           /*  0x2034 */
+        u32 psr_min_des;                                /*  0x2038 */
         u32 fbr0_base_lo;                               /*  0x203C */
         u32 fbr0_base_hi;                               /*  0x2040 */
-        RXDMA_FBR_NUM_DES_t fbr0_num_des;               /*  0x2044 */
-        u32 fbr0_avail_offset;                  /*  0x2048 */
-        u32 fbr0_full_offset;                   /*  0x204C */
-        RXDMA_FBC_RD_INDEX_t fbr0_rd_index;             /*  0x2050 */
-        RXDMA_FBR_MIN_DES_t fbr0_min_des;               /*  0x2054 */
+        u32 fbr0_num_des;                               /*  0x2044 */
+        u32 fbr0_avail_offset;                          /*  0x2048 */
+        u32 fbr0_full_offset;                           /*  0x204C */
+        u32 fbr0_rd_index;                              /*  0x2050 */
+        u32 fbr0_min_des;                               /*  0x2054 */
         u32 fbr1_base_lo;                               /*  0x2058 */
         u32 fbr1_base_hi;                               /*  0x205C */
-        RXDMA_FBR_NUM_DES_t fbr1_num_des;               /*  0x2060 */
-        u32 fbr1_avail_offset;                  /*  0x2064 */
-        u32 fbr1_full_offset;                   /*  0x2068 */
-        RXDMA_FBC_RD_INDEX_t fbr1_rd_index;             /*  0x206C */
-        RXDMA_FBR_MIN_DES_t fbr1_min_des;               /*  0x2070 */
+        u32 fbr1_num_des;                               /*  0x2060 */
+        u32 fbr1_avail_offset;                          /*  0x2064 */
+        u32 fbr1_full_offset;                           /*  0x2068 */
+        u32 fbr1_rd_index;                              /*  0x206C */
+        u32 fbr1_min_des;                               /*  0x2070 */
 } RXDMA_t, *PRXDMA_t;
 
 /* END OF RXDMA REGISTER ADDRESS MAP */
diff --git a/drivers/staging/et131x/et1310_rx.c b/drivers/staging/et131x/et1310_rx.c
index 48f1ffc3df6a..c3778d2c5df5 100644
--- a/drivers/staging/et131x/et1310_rx.c
+++ b/drivers/staging/et131x/et1310_rx.c
@@ -598,7 +598,7 @@ void ConfigRxDmaRegs(struct et131x_adapter *etdev)
         struct _rx_ring_t *rx_local = &etdev->RxRing;
         PFBR_DESC_t fbr_entry;
         u32 entry;
-        RXDMA_PSR_NUM_DES_t psr_num_des;
+        u32 psr_num_des;
         unsigned long flags;
 
         /* Halt RXDMA to perform the reconfigure.  */
@@ -623,12 +623,12 @@ void ConfigRxDmaRegs(struct et131x_adapter *etdev)
         writel((u32) ((u64)rx_local->pPSRingPa >> 32),
                &rx_dma->psr_base_hi);
         writel((u32) rx_local->pPSRingPa, &rx_dma->psr_base_lo);
-        writel(rx_local->PsrNumEntries - 1, &rx_dma->psr_num_des.value);
+        writel(rx_local->PsrNumEntries - 1, &rx_dma->psr_num_des);
         writel(0, &rx_dma->psr_full_offset.value);
 
-        psr_num_des.value = readl(&rx_dma->psr_num_des.value);
-        writel((psr_num_des.bits.psr_ndes * LO_MARK_PERCENT_FOR_PSR) / 100,
-               &rx_dma->psr_min_des.value);
+        psr_num_des = readl(&rx_dma->psr_num_des) & 0xFFF;
+        writel((psr_num_des * LO_MARK_PERCENT_FOR_PSR) / 100,
+               &rx_dma->psr_min_des);
 
         spin_lock_irqsave(&etdev->RcvLock, flags);
 
@@ -650,7 +650,7 @@ void ConfigRxDmaRegs(struct et131x_adapter *etdev)
          */
         writel((u32) (rx_local->Fbr1Realpa >> 32), &rx_dma->fbr1_base_hi);
         writel((u32) rx_local->Fbr1Realpa, &rx_dma->fbr1_base_lo);
-        writel(rx_local->Fbr1NumEntries - 1, &rx_dma->fbr1_num_des.value);
+        writel(rx_local->Fbr1NumEntries - 1, &rx_dma->fbr1_num_des);
         writel(ET_DMA10_WRAP, &rx_dma->fbr1_full_offset);
 
         /* This variable tracks the free buffer ring 1 full position, so it
@@ -658,7 +658,7 @@ void ConfigRxDmaRegs(struct et131x_adapter *etdev)
          */
         rx_local->local_Fbr1_full = ET_DMA10_WRAP;
         writel(((rx_local->Fbr1NumEntries * LO_MARK_PERCENT_FOR_RX) / 100) - 1,
-               &rx_dma->fbr1_min_des.value);
+               &rx_dma->fbr1_min_des);
 
 #ifdef USE_FBR0
         /* Now's the best time to initialize FBR0 contents */
@@ -672,7 +672,7 @@ void ConfigRxDmaRegs(struct et131x_adapter *etdev)
 
         writel((u32) (rx_local->Fbr0Realpa >> 32), &rx_dma->fbr0_base_hi);
         writel((u32) rx_local->Fbr0Realpa, &rx_dma->fbr0_base_lo);
-        writel(rx_local->Fbr0NumEntries - 1, &rx_dma->fbr0_num_des.value);
+        writel(rx_local->Fbr0NumEntries - 1, &rx_dma->fbr0_num_des);
         writel(ET_DMA10_WRAP, &rx_dma->fbr0_full_offset);
 
         /* This variable tracks the free buffer ring 0 full position, so it
@@ -680,7 +680,7 @@ void ConfigRxDmaRegs(struct et131x_adapter *etdev)
          */
         rx_local->local_Fbr0_full = ET_DMA10_WRAP;
         writel(((rx_local->Fbr0NumEntries * LO_MARK_PERCENT_FOR_RX) / 100) - 1,
-               &rx_dma->fbr0_min_des.value);
+               &rx_dma->fbr0_min_des);
 #endif
 
         /* Program the number of packets we will receive before generating an
@@ -688,7 +688,7 @@ void ConfigRxDmaRegs(struct et131x_adapter *etdev)
          * For version B silicon, this value gets updated once autoneg is
          *complete.
          */
-        writel(PARM_RX_NUM_BUFS_DEF, &rx_dma->num_pkt_done.value);
+        writel(PARM_RX_NUM_BUFS_DEF, &rx_dma->num_pkt_done);
 
         /* The "time_done" is not working correctly to coalesce interrupts
          * after a given time period, but rather is giving us an interrupt
@@ -712,7 +712,7 @@ void SetRxDmaTimer(struct et131x_adapter *etdev)
         if ((etdev->linkspeed == TRUEPHY_SPEED_100MBPS) ||
             (etdev->linkspeed == TRUEPHY_SPEED_10MBPS)) {
                 writel(0, &etdev->regs->rxdma.max_pkt_time);
-                writel(1, &etdev->regs->rxdma.num_pkt_done.value);
+                writel(1, &etdev->regs->rxdma.num_pkt_done);
         }
 }