Patch 7/10: After checking the current implementations of freeze()/thaw(), it seems only pdc_freeze() do more than simple irq masking. Remove the DMA stop code from pdc_freeze(). Signed-off-by: Albert Lee <albertcc@xxxxxxxxxx> --- diff -Nrup 06_add_freeze_thaw_to_lldd/drivers/ata/sata_promise.c 07_sata_promise_freeze/drivers/ata/sata_promise.c --- 06_add_freeze_thaw_to_lldd/drivers/ata/sata_promise.c 2007-07-04 12:09:29.000000000 +0800 +++ 07_sata_promise_freeze/drivers/ata/sata_promise.c 2007-07-04 13:17:59.000000000 +0800 @@ -581,7 +581,6 @@ static void pdc_freeze(struct ata_port * tmp = readl(mmio + PDC_CTLSTAT); tmp |= PDC_IRQ_DISABLE; - tmp &= ~PDC_DMA_ENABLE; writel(tmp, mmio + PDC_CTLSTAT); readl(mmio + PDC_CTLSTAT); /* flush */ } - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
