ide: use PIO/MMIO operations directly where possible (v2)
This results in smaller/faster/simpler code and allows future optimizations.
Also remove no longer needed ide[_mm]_{inl,outl}() and ide_hwif_t.{INL,OUTL}.
v2:
* updated for scc_pata
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/pci/trm290.c b/drivers/ide/pci/trm290.c
index 5eb9889..cbb1b11 100644
--- a/drivers/ide/pci/trm290.c
+++ b/drivers/ide/pci/trm290.c
@@ -157,16 +157,16 @@
if (reg != hwif->select_data) {
hwif->select_data = reg;
/* set PIO/DMA */
- hwif->OUTB(0x51|(hwif->channel<<3), hwif->config_data+1);
- hwif->OUTW(reg & 0xff, hwif->config_data);
+ outb(0x51 | (hwif->channel << 3), hwif->config_data + 1);
+ outw(reg & 0xff, hwif->config_data);
}
/* enable IRQ if not probing */
if (drive->present) {
- reg = hwif->INW(hwif->config_data + 3);
+ reg = inw(hwif->config_data + 3);
reg &= 0x13;
reg &= ~(1 << hwif->channel);
- hwif->OUTW(reg, hwif->config_data+3);
+ outw(reg, hwif->config_data + 3);
}
local_irq_restore(flags);
@@ -179,12 +179,10 @@
static void trm290_ide_dma_exec_cmd(ide_drive_t *drive, u8 command)
{
- ide_hwif_t *hwif = HWIF(drive);
-
BUG_ON(HWGROUP(drive)->handler != NULL); /* paranoia check */
ide_set_handler(drive, &ide_dma_intr, WAIT_CMD, NULL);
/* issue cmd to drive */
- hwif->OUTB(command, IDE_COMMAND_REG);
+ outb(command, IDE_COMMAND_REG);
}
static int trm290_ide_dma_setup(ide_drive_t *drive)
@@ -210,10 +208,10 @@
}
/* select DMA xfer */
trm290_prepare_drive(drive, 1);
- hwif->OUTL(hwif->dmatable_dma|rw, hwif->dma_command);
+ outl(hwif->dmatable_dma | rw, hwif->dma_command);
drive->waiting_for_dma = 1;
/* start DMA */
- hwif->OUTW((count * 2) - 1, hwif->dma_status);
+ outw((count * 2) - 1, hwif->dma_status);
return 0;
}
@@ -229,7 +227,7 @@
drive->waiting_for_dma = 0;
/* purge DMA mappings */
ide_destroy_dmatable(drive);
- status = hwif->INW(hwif->dma_status);
+ status = inw(hwif->dma_status);
return (status != 0x00ff);
}
@@ -238,7 +236,7 @@
ide_hwif_t *hwif = HWIF(drive);
u16 status = 0;
- status = hwif->INW(hwif->dma_status);
+ status = inw(hwif->dma_status);
return (status == 0x00ff);
}
@@ -267,15 +265,15 @@
local_irq_save(flags);
/* put config reg into first byte of hwif->select_data */
- hwif->OUTB(0x51|(hwif->channel<<3), hwif->config_data+1);
+ outb(0x51 | (hwif->channel << 3), hwif->config_data + 1);
/* select PIO as default */
hwif->select_data = 0x21;
- hwif->OUTB(hwif->select_data, hwif->config_data);
+ outb(hwif->select_data, hwif->config_data);
/* get IRQ info */
- reg = hwif->INB(hwif->config_data+3);
+ reg = inb(hwif->config_data + 3);
/* mask IRQs for both ports */
reg = (reg & 0x10) | 0x03;
- hwif->OUTB(reg, hwif->config_data+3);
+ outb(reg, hwif->config_data + 3);
local_irq_restore(flags);
if ((reg & 0x10))
@@ -308,16 +306,16 @@
static u16 next_offset = 0;
u8 old_mask;
- hwif->OUTB(0x54|(hwif->channel<<3), hwif->config_data+1);
- old = hwif->INW(hwif->config_data);
+ outb(0x54 | (hwif->channel << 3), hwif->config_data + 1);
+ old = inw(hwif->config_data);
old &= ~1;
- old_mask = hwif->INB(old+2);
+ old_mask = inb(old + 2);
if (old != compat && old_mask == 0xff) {
/* leave lower 10 bits untouched */
compat += (next_offset += 0x400);
hwif->io_ports[IDE_CONTROL_OFFSET] = compat + 2;
- hwif->OUTW(compat|1, hwif->config_data);
- new = hwif->INW(hwif->config_data);
+ outw(compat | 1, hwif->config_data);
+ new = inw(hwif->config_data);
printk(KERN_INFO "%s: control basereg workaround: "
"old=0x%04x, new=0x%04x\n",
hwif->name, old, new & ~1);
