ide: convert ide_hwif_t.mmio into flag (v2)

All users of ->mmio == 1 are gone so convert ->mmio into flag.

Noticed by Alan Cox.

v2:
* updated for scc_pata

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

17 files changed, 23 insertions, 22 deletions

diff --git a/drivers/ide/arm/icside.c b/drivers/ide/arm/icside.c
index 8a1c27f28692..61ce40d52f5f 100644
--- a/drivers/ide/arm/icside.c
+++ b/drivers/ide/arm/icside.c
@@ -556,7 +556,7 @@ icside_setup(void __iomem *base, struct cardinfo *info, struct expansion_card *e
                  * Ensure we're using MMIO
                  */
                 default_hwif_mmiops(hwif);
-                hwif->mmio = 2;
+                hwif->mmio = 1;
 
                 for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
                         hwif->hw.io_ports[i] = port;
diff --git a/drivers/ide/arm/rapide.c b/drivers/ide/arm/rapide.c
index 3058217767d6..9c6c49fdd2b1 100644
--- a/drivers/ide/arm/rapide.c
+++ b/drivers/ide/arm/rapide.c
@@ -46,7 +46,7 @@ rapide_locate_hwif(void __iomem *base, void __iomem *ctrl, unsigned int sz, int
         hwif->hw.io_ports[IDE_CONTROL_OFFSET] = (unsigned long)ctrl;
         hwif->io_ports[IDE_CONTROL_OFFSET] = (unsigned long)ctrl;
         hwif->hw.irq = hwif->irq = irq;
-        hwif->mmio = 2;
+        hwif->mmio = 1;
         default_hwif_mmiops(hwif);
 
         return hwif;
diff --git a/drivers/ide/cris/ide-cris.c b/drivers/ide/cris/ide-cris.c
index 7afb715b86e5..24281176b4dc 100644
--- a/drivers/ide/cris/ide-cris.c
+++ b/drivers/ide/cris/ide-cris.c
@@ -795,7 +795,7 @@ init_e100_ide (void)
                                 0, 0, cris_ide_ack_intr,
                                 ide_default_irq(0));
                 ide_register_hw(&hw, &hwif);
-                hwif->mmio = 2;
+                hwif->mmio = 1;
                 hwif->chipset = ide_etrax100;
                 hwif->tuneproc = &tune_cris_ide;
                 hwif->speedproc = &speed_cris_ide;
diff --git a/drivers/ide/h8300/ide-h8300.c b/drivers/ide/h8300/ide-h8300.c
index c45bfb825a37..88750a300337 100644
--- a/drivers/ide/h8300/ide-h8300.c
+++ b/drivers/ide/h8300/ide-h8300.c
@@ -76,7 +76,7 @@ static inline void hwif_setup(ide_hwif_t *hwif)
 {
         default_hwif_iops(hwif);
 
-        hwif->mmio  = 2;
+        hwif->mmio  = 1;
         hwif->OUTW  = mm_outw;
         hwif->OUTSW = mm_outsw;
         hwif->INW   = mm_inw;
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index b7b663ee7343..1a288e5307d3 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -565,7 +565,7 @@ int ide_dma_setup(ide_drive_t *drive)
         }
 
         /* PRD table */
-        if (hwif->mmio == 2)
+        if (hwif->mmio)
                 writel(hwif->dmatable_dma, (void __iomem *)hwif->dma_prdtable);
         else
                 outl(hwif->dmatable_dma, hwif->dma_prdtable);
@@ -815,7 +815,7 @@ int ide_release_dma(ide_hwif_t *hwif)
 {
         ide_release_dma_engine(hwif);
 
-        if (hwif->mmio == 2)
+        if (hwif->mmio)
                 return 1;
         else
                 return ide_release_iomio_dma(hwif);
@@ -884,9 +884,9 @@ static int ide_iomio_dma(ide_hwif_t *hwif, unsigned long base, unsigned int port
 
 static int ide_dma_iobase(ide_hwif_t *hwif, unsigned long base, unsigned int ports)
 {
-        if (hwif->mmio == 2)
+        if (hwif->mmio)
                 return ide_mapped_mmio_dma(hwif, base,ports);
-        BUG_ON(hwif->mmio == 1);
+
         return ide_iomio_dma(hwif, base, ports);
 }
 
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index 92ab39d5bc25..fbc6d39ace68 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -389,9 +389,8 @@ int ide_hwif_request_regions(ide_hwif_t *hwif)
         unsigned long addr;
         unsigned int i;
 
-        if (hwif->mmio == 2)
+        if (hwif->mmio)
                 return 0;
-        BUG_ON(hwif->mmio == 1);
         addr = hwif->io_ports[IDE_CONTROL_OFFSET];
         if (addr && !hwif_request_region(hwif, addr, 1))
                 goto control_region_busy;
@@ -438,7 +437,7 @@ void ide_hwif_release_regions(ide_hwif_t *hwif)
 {
         u32 i = 0;
 
-        if (hwif->mmio == 2)
+        if (hwif->mmio)
                 return;
         if (hwif->io_ports[IDE_CONTROL_OFFSET])
                 release_region(hwif->io_ports[IDE_CONTROL_OFFSET], 1);
diff --git a/drivers/ide/legacy/buddha.c b/drivers/ide/legacy/buddha.c
index 0391a3122878..1ed224a01f79 100644
--- a/drivers/ide/legacy/buddha.c
+++ b/drivers/ide/legacy/buddha.c
@@ -215,7 +215,7 @@ fail_base2:
                         
                         index = ide_register_hw(&hw, &hwif);
                         if (index != -1) {
-                                hwif->mmio = 2;
+                                hwif->mmio = 1;
                                 printk("ide%d: ", index);
                                 switch(type) {
                                 case BOARD_BUDDHA:
diff --git a/drivers/ide/legacy/gayle.c b/drivers/ide/legacy/gayle.c
index 64d42619ab06..dcfadbbf55d8 100644
--- a/drivers/ide/legacy/gayle.c
+++ b/drivers/ide/legacy/gayle.c
@@ -167,7 +167,7 @@ found:
 
         index = ide_register_hw(&hw, &hwif);
         if (index != -1) {
-            hwif->mmio = 2;
+            hwif->mmio = 1;
             switch (i) {
                 case 0:
                     printk("ide%d: Gayle IDE interface (A%d style)\n", index,
diff --git a/drivers/ide/legacy/macide.c b/drivers/ide/legacy/macide.c
index b1730d7e414c..4c0079ad52ac 100644
--- a/drivers/ide/legacy/macide.c
+++ b/drivers/ide/legacy/macide.c
@@ -141,7 +141,7 @@ void macide_init(void)
         }
 
         if (index != -1) {
-                hwif->mmio = 2;
+                hwif->mmio = 1;
                 if (macintosh_config->ide_type == MAC_IDE_QUADRA)
                         printk(KERN_INFO "ide%d: Macintosh Quadra IDE interface\n", index);
                 else if (macintosh_config->ide_type == MAC_IDE_PB)
diff --git a/drivers/ide/legacy/q40ide.c b/drivers/ide/legacy/q40ide.c
index 434a94faa3b7..74f08124eabb 100644
--- a/drivers/ide/legacy/q40ide.c
+++ b/drivers/ide/legacy/q40ide.c
@@ -145,7 +145,7 @@ void q40ide_init(void)
         index = ide_register_hw(&hw, &hwif);
         // **FIXME**
         if (index != -1)
-                hwif->mmio = 2;
+                hwif->mmio = 1;
     }
 }
 
diff --git a/drivers/ide/mips/au1xxx-ide.c b/drivers/ide/mips/au1xxx-ide.c
index 3c4f71afeeba..b431b990426d 100644
--- a/drivers/ide/mips/au1xxx-ide.c
+++ b/drivers/ide/mips/au1xxx-ide.c
@@ -708,7 +708,8 @@ static int au_ide_probe(struct device *dev)
 
         /* hold should be on in all cases */
         hwif->hold                      = 1;
-        hwif->mmio                      = 2;
+
+        hwif->mmio  = 1;
 
         /* If the user has selected DDMA assisted copies,
            then set up a few local I/O function entry points 
diff --git a/drivers/ide/mips/swarm.c b/drivers/ide/mips/swarm.c
index 09c9e7936b0d..81fa06851b27 100644
--- a/drivers/ide/mips/swarm.c
+++ b/drivers/ide/mips/swarm.c
@@ -115,7 +115,7 @@ static int __devinit swarm_ide_probe(struct device *dev)
         /* Setup MMIO ops.  */
         default_hwif_mmiops(hwif);
         /* Prevent resource map manipulation.  */
-        hwif->mmio = 2;
+        hwif->mmio = 1;
         hwif->noprobe = 0;
 
         for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++)
diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c
index 2af8a71e688e..083c7afe1162 100644
--- a/drivers/ide/pci/sgiioc4.c
+++ b/drivers/ide/pci/sgiioc4.c
@@ -593,7 +593,7 @@ static int sgiioc4_ide_dma_setup(ide_drive_t *drive)
 static void __devinit
 ide_init_sgiioc4(ide_hwif_t * hwif)
 {
-        hwif->mmio = 2;
+        hwif->mmio = 1;
         hwif->autodma = 1;
         hwif->atapi_dma = 1;
         hwif->ultra_mask = 0x0; /* Disable Ultra DMA */
diff --git a/drivers/ide/pci/siimage.c b/drivers/ide/pci/siimage.c
index 505878cc21ea..40e992af0005 100644
--- a/drivers/ide/pci/siimage.c
+++ b/drivers/ide/pci/siimage.c
@@ -888,7 +888,8 @@ static void __devinit init_mmio_iops_siimage(ide_hwif_t *hwif)
         base = (unsigned long) addr;
 
         hwif->dma_base                  = base + (ch ? 0x08 : 0x00);
-        hwif->mmio                      = 2;
+
+        hwif->mmio = 1;
 }
 
 static int is_dev_seagate_sata(ide_drive_t *drive)
diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c
index d8ea23710bf0..c547c76533d5 100644
--- a/drivers/ide/ppc/pmac.c
+++ b/drivers/ide/ppc/pmac.c
@@ -1237,7 +1237,7 @@ pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif)
         hwif->OUTBSYNC = pmac_outbsync;
 
         /* Tell common code _not_ to mess with resources */
-        hwif->mmio = 2;
+        hwif->mmio = 1;
         hwif->hwif_data = pmif;
         pmac_ide_init_hwif_ports(&hwif->hw, pmif->regbase, 0, &hwif->irq);
         memcpy(hwif->io_ports, hwif->hw.io_ports, sizeof(hwif->io_ports));
diff --git a/drivers/ide/ppc/scc_pata.c b/drivers/ide/ppc/scc_pata.c
index de9110803745..f05117e8fdb9 100644
--- a/drivers/ide/ppc/scc_pata.c
+++ b/drivers/ide/ppc/scc_pata.c
@@ -668,7 +668,7 @@ static void __devinit init_mmio_iops_scc(ide_hwif_t *hwif)
         hwif->irq = hwif->pci_dev->irq;
         hwif->dma_base = dma_base;
         hwif->config_data = ports->ctl;
-        hwif->mmio = 2;
+        hwif->mmio = 1;
 }
 
 /**
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 4f88fb99a053..579a8521de63 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -772,7 +772,6 @@ typedef struct hwif_s {
         unsigned int cursg;
         unsigned int cursg_ofs;
 
-        int             mmio;           /* hosts iomio (0) or custom (2) select */
         int             rqsize;         /* max sectors per request */
         int             irq;            /* our irq number */
 
@@ -804,6 +803,7 @@ typedef struct hwif_s {
         unsigned        sg_mapped  : 1; /* sg_table and sg_nents are ready */
         unsigned        no_io_32bit : 1; /* 1 = can not do 32-bit IO ops */
         unsigned        err_stops_fifo : 1; /* 1=data FIFO is cleared by an error */
+        unsigned        mmio       : 1; /* host uses MMIO */
 
         struct device   gendev;
         struct completion gendev_rel_comp; /* To deal with device release() */