ioatdma: Remove the wrappers around read(bwl)/write(bwl) in ioatdma

Signed-off-by: Chris Leech <christopher.leech@intel.com>

1 files changed, 28 insertions, 32 deletions

diff --git a/drivers/dma/ioatdma.c b/drivers/dma/ioatdma.c
index 4e6afd75203..275707097bf 100644
--- a/drivers/dma/ioatdma.c
+++ b/drivers/dma/ioatdma.c
@@ -32,7 +32,6 @@
 #include <linux/delay.h>
 #include <linux/dma-mapping.h>
 #include "ioatdma.h"
-#include "ioatdma_io.h"
 #include "ioatdma_registers.h"
 #include "ioatdma_hw.h"
 
@@ -51,8 +50,8 @@ static int enumerate_dma_channels(struct ioat_device *device)
         int i;
         struct ioat_dma_chan *ioat_chan;
 
-        device->common.chancnt = ioatdma_read8(device, IOAT_CHANCNT_OFFSET);
-        xfercap_scale = ioatdma_read8(device, IOAT_XFERCAP_OFFSET);
+        device->common.chancnt = readb(device->reg_base + IOAT_CHANCNT_OFFSET);
+        xfercap_scale = readb(device->reg_base + IOAT_XFERCAP_OFFSET);
         xfercap = (xfercap_scale == 0 ? -1 : (1UL << xfercap_scale));
 
         for (i = 0; i < device->common.chancnt; i++) {
@@ -123,7 +122,7 @@ static int ioat_dma_alloc_chan_resources(struct dma_chan *chan)
          * In-use bit automatically set by reading chanctrl
          * If 0, we got it, if 1, someone else did
          */
-        chanctrl = ioatdma_chan_read16(ioat_chan, IOAT_CHANCTRL_OFFSET);
+        chanctrl = readw(ioat_chan->reg_base + IOAT_CHANCTRL_OFFSET);
         if (chanctrl & IOAT_CHANCTRL_CHANNEL_IN_USE)
                 return -EBUSY;
 
@@ -132,12 +131,12 @@ static int ioat_dma_alloc_chan_resources(struct dma_chan *chan)
                 IOAT_CHANCTRL_ERR_INT_EN |
                 IOAT_CHANCTRL_ANY_ERR_ABORT_EN |
                 IOAT_CHANCTRL_ERR_COMPLETION_EN;
-        ioatdma_chan_write16(ioat_chan, IOAT_CHANCTRL_OFFSET, chanctrl);
+        writew(chanctrl, ioat_chan->reg_base + IOAT_CHANCTRL_OFFSET);
 
-        chanerr = ioatdma_chan_read32(ioat_chan, IOAT_CHANERR_OFFSET);
+        chanerr = readl(ioat_chan->reg_base + IOAT_CHANERR_OFFSET);
         if (chanerr) {
                 printk("IOAT: CHANERR = %x, clearing\n", chanerr);
-                ioatdma_chan_write32(ioat_chan, IOAT_CHANERR_OFFSET, chanerr);
+                writel(chanerr, ioat_chan->reg_base + IOAT_CHANERR_OFFSET);
         }
 
         /* Allocate descriptors */
@@ -161,10 +160,10 @@ static int ioat_dma_alloc_chan_resources(struct dma_chan *chan)
                                &ioat_chan->completion_addr);
         memset(ioat_chan->completion_virt, 0,
                sizeof(*ioat_chan->completion_virt));
-        ioatdma_chan_write32(ioat_chan, IOAT_CHANCMP_OFFSET_LOW,
-                       ((u64) ioat_chan->completion_addr) & 0x00000000FFFFFFFF);
-        ioatdma_chan_write32(ioat_chan, IOAT_CHANCMP_OFFSET_HIGH,
-                       ((u64) ioat_chan->completion_addr) >> 32);
+        writel(((u64) ioat_chan->completion_addr) & 0x00000000FFFFFFFF,
+               ioat_chan->reg_base + IOAT_CHANCMP_OFFSET_LOW);
+        writel(((u64) ioat_chan->completion_addr) >> 32,
+               ioat_chan->reg_base + IOAT_CHANCMP_OFFSET_HIGH);
 
         ioat_start_null_desc(ioat_chan);
         return i;
@@ -182,7 +181,7 @@ static void ioat_dma_free_chan_resources(struct dma_chan *chan)
 
         ioat_dma_memcpy_cleanup(ioat_chan);
 
-        ioatdma_chan_write8(ioat_chan, IOAT_CHANCMD_OFFSET, IOAT_CHANCMD_RESET);
+        writeb(IOAT_CHANCMD_RESET, ioat_chan->reg_base + IOAT_CHANCMD_OFFSET);
 
         spin_lock_bh(&ioat_chan->desc_lock);
         list_for_each_entry_safe(desc, _desc, &ioat_chan->used_desc, node) {
@@ -210,9 +209,9 @@ static void ioat_dma_free_chan_resources(struct dma_chan *chan)
         ioat_chan->last_completion = ioat_chan->completion_addr = 0;
 
         /* Tell hw the chan is free */
-        chanctrl = ioatdma_chan_read16(ioat_chan, IOAT_CHANCTRL_OFFSET);
+        chanctrl = readw(ioat_chan->reg_base + IOAT_CHANCTRL_OFFSET);
         chanctrl &= ~IOAT_CHANCTRL_CHANNEL_IN_USE;
-        ioatdma_chan_write16(ioat_chan, IOAT_CHANCTRL_OFFSET, chanctrl);
+        writew(chanctrl, ioat_chan->reg_base + IOAT_CHANCTRL_OFFSET);
 }
 
 /**
@@ -318,9 +317,8 @@ static dma_cookie_t do_ioat_dma_memcpy(struct ioat_dma_chan *ioat_chan,
         spin_unlock_bh(&ioat_chan->desc_lock);
 
         if (append)
-                ioatdma_chan_write8(ioat_chan,
-                                    IOAT_CHANCMD_OFFSET,
-                                    IOAT_CHANCMD_APPEND);
+                writeb(IOAT_CHANCMD_APPEND,
+                       ioat_chan->reg_base + IOAT_CHANCMD_OFFSET);
         return cookie;
 }
 
@@ -417,9 +415,8 @@ static void ioat_dma_memcpy_issue_pending(struct dma_chan *chan)
 
         if (ioat_chan->pending != 0) {
                 ioat_chan->pending = 0;
-                ioatdma_chan_write8(ioat_chan,
-                                    IOAT_CHANCMD_OFFSET,
-                                    IOAT_CHANCMD_APPEND);
+                writeb(IOAT_CHANCMD_APPEND,
+                       ioat_chan->reg_base + IOAT_CHANCMD_OFFSET);
         }
 }
 
@@ -449,7 +446,7 @@ static void ioat_dma_memcpy_cleanup(struct ioat_dma_chan *chan)
         if ((chan->completion_virt->full & IOAT_CHANSTS_DMA_TRANSFER_STATUS) ==
                 IOAT_CHANSTS_DMA_TRANSFER_STATUS_HALTED) {
                 printk("IOAT: Channel halted, chanerr = %x\n",
-                        ioatdma_chan_read32(chan, IOAT_CHANERR_OFFSET));
+                        readl(chan->reg_base + IOAT_CHANERR_OFFSET));
 
                 /* TODO do something to salvage the situation */
         }
@@ -569,21 +566,21 @@ static irqreturn_t ioat_do_interrupt(int irq, void *data)
         unsigned long attnstatus;
         u8 intrctrl;
 
-        intrctrl = ioatdma_read8(instance, IOAT_INTRCTRL_OFFSET);
+        intrctrl = readb(instance->reg_base + IOAT_INTRCTRL_OFFSET);
 
         if (!(intrctrl & IOAT_INTRCTRL_MASTER_INT_EN))
                 return IRQ_NONE;
 
         if (!(intrctrl & IOAT_INTRCTRL_INT_STATUS)) {
-                ioatdma_write8(instance, IOAT_INTRCTRL_OFFSET, intrctrl);
+                writeb(intrctrl, instance->reg_base + IOAT_INTRCTRL_OFFSET);
                 return IRQ_NONE;
         }
 
-        attnstatus = ioatdma_read32(instance, IOAT_ATTNSTATUS_OFFSET);
+        attnstatus = readl(instance->reg_base + IOAT_ATTNSTATUS_OFFSET);
 
         printk(KERN_ERR "ioatdma error: interrupt! status %lx\n", attnstatus);
 
-        ioatdma_write8(instance, IOAT_INTRCTRL_OFFSET, intrctrl);
+        writeb(intrctrl, instance->reg_base + IOAT_INTRCTRL_OFFSET);
         return IRQ_HANDLED;
 }
 
@@ -612,14 +609,13 @@ static void ioat_start_null_desc(struct ioat_dma_chan *ioat_chan)
         spin_unlock_bh(&ioat_chan->desc_lock);
 
 #if (BITS_PER_LONG == 64)
-        ioatdma_chan_write64(ioat_chan, IOAT_CHAINADDR_OFFSET, desc->phys);
+        writeq(desc->phys, ioat_chan->reg_base + IOAT_CHAINADDR_OFFSET);
 #else
-        ioatdma_chan_write32(ioat_chan,
-                             IOAT_CHAINADDR_OFFSET_LOW,
-                             (u32) desc->phys);
-        ioatdma_chan_write32(ioat_chan, IOAT_CHAINADDR_OFFSET_HIGH, 0);
+        writel((u32) desc->phys,
+               ioat_chan->reg_base + IOAT_CHAINADDR_OFFSET_LOW);
+        writel(0, ioat_chan->reg_base + IOAT_CHAINADDR_OFFSET_HIGH);
 #endif
-        ioatdma_chan_write8(ioat_chan, IOAT_CHANCMD_OFFSET, IOAT_CHANCMD_START);
+        writeb(IOAT_CHANCMD_START, ioat_chan->reg_base + IOAT_CHANCMD_OFFSET);
 }
 
 /*
@@ -748,7 +744,7 @@ static int __devinit ioat_probe(struct pci_dev *pdev,
 
         device->reg_base = reg_base;
 
-        ioatdma_write8(device, IOAT_INTRCTRL_OFFSET, IOAT_INTRCTRL_MASTER_INT_EN);
+        writeb(IOAT_INTRCTRL_MASTER_INT_EN, device->reg_base + IOAT_INTRCTRL_OFFSET);
         pci_set_master(pdev);
 
         INIT_LIST_HEAD(&device->common.channels);