* Portions Copyright (C) 2001 Sun Microsystems, Inc.
* Portions Copyright (C) 2003 Red Hat Inc
* Portions Copyright (C) 2007 Bartlomiej Zolnierkiewicz
- * Portions Copyright (C) 2005-2008 MontaVista Software, Inc.
+ * Portions Copyright (C) 2005-2009 MontaVista Software, Inc.
*
* Thanks to HighPoint Technologies for their assistance, and hardware.
* Special Thanks to Jon Burchmore in SanDiego for the deep pockets, his
* the register setting lists into the table indexed by the clock selected
* - set the correct hwif->ultra_mask for each individual chip
* - add Ultra and MW DMA mode filtering for the HPT37[24] based SATA cards
+ * - stop resetting HPT370's state machine before each DMA transfer as that has
+ * caused more harm than good
* Sergei Shtylyov, <sshtylyov@ru.mvista.com> or <source@mvista.com>
*/
#define DRV_NAME "hpt366"
/* various tuning parameters */
-#define HPT_RESET_STATE_ENGINE
+#undef HPT_RESET_STATE_ENGINE
#undef HPT_DELAY_INTERRUPT
static const char *quirk_drives[] = {
/* get DMA command mode */
dma_cmd = inb(hwif->dma_base + ATA_DMA_CMD);
/* stop DMA */
- outb(dma_cmd & ~0x1, hwif->dma_base + ATA_DMA_CMD);
+ outb(dma_cmd & ~ATA_DMA_START, hwif->dma_base + ATA_DMA_CMD);
hpt370_clear_engine(drive);
}
ide_hwif_t *hwif = drive->hwif;
u8 dma_stat = inb(hwif->dma_base + ATA_DMA_STATUS);
- if (dma_stat & 0x01) {
+ if (dma_stat & ATA_DMA_ACTIVE) {
/* wait a little */
udelay(20);
dma_stat = inb(hwif->dma_base + ATA_DMA_STATUS);
- if (dma_stat & 0x01)
+ if (dma_stat & ATA_DMA_ACTIVE)
hpt370_irq_timeout(drive);
}
return ide_dma_end(drive);
dma_stat = inb(hwif->dma_base + ATA_DMA_STATUS);
/* return 1 if INTR asserted */
- if (dma_stat & 4)
+ if (dma_stat & ATA_DMA_INTR)
return 1;
return 0;