sata_promise: Switch to cable method, clean up some bits as a result

Signed-off-by: NAlan Cox <number6@the-village.bc.nu>
Signed-off-by: NJeff Garzik <jeff@garzik.org>

drivers/ata/sata_promise.c

@@ -45,7 +45,7 @@
 #include "sata_promise.h"
 
 #define DRV_NAME	"sata_promise"
-#define DRV_VERSION	"2.00"
+#define DRV_VERSION	"2.01"
 
 
 enum {
@@ -131,7 +131,7 @@ static void pdc_freeze(struct ata_port *ap);
 static void pdc_thaw(struct ata_port *ap);
 static void pdc_error_handler(struct ata_port *ap);
 static void pdc_post_internal_cmd(struct ata_queued_cmd *qc);
-
+static int pdc_cable_detect(struct ata_port *ap);
 
 static struct scsi_host_template pdc_ata_sht = {
 	.module			= THIS_MODULE,
@@ -166,6 +166,7 @@ static const struct ata_port_operations pdc_sata_ops = {
 	.thaw			= pdc_thaw,
 	.error_handler		= pdc_error_handler,
 	.post_internal_cmd	= pdc_post_internal_cmd,
+	.cable_detect		= pdc_cable_detect,
 	.data_xfer		= ata_data_xfer,
 	.irq_handler		= pdc_interrupt,
 	.irq_clear		= pdc_irq_clear,
@@ -374,18 +375,18 @@ static void pdc_reset_port(struct ata_port *ap)
 	readl(mmio);	/* flush */
 }
 
-static void pdc_pata_cbl_detect(struct ata_port *ap)
+static int pdc_cable_detect(struct ata_port *ap)
 {
 	u8 tmp;
 	void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr + PDC_CTLSTAT + 0x03;
 
-	tmp = readb(mmio);
-
-	if (tmp & 0x01) {
-		ap->cbl = ATA_CBL_PATA40;
-		ap->udma_mask &= ATA_UDMA_MASK_40C;
-	} else
-		ap->cbl = ATA_CBL_PATA80;
+	if (!sata_scr_valid(ap)) {
+		tmp = readb(mmio);
+		if (tmp & 0x01)
+			return ATA_CBL_PATA40;
+		return ATA_CBL_PATA80;
+	}
+	return ATA_CBL_SATA;
 }
 
 static u32 pdc_sata_scr_read (struct ata_port *ap, unsigned int sc_reg)
@@ -555,13 +556,6 @@ static void pdc_thaw(struct ata_port *ap)
 	readl(mmio + PDC_CTLSTAT); /* flush */
 }
 
-static int pdc_pre_reset(struct ata_port *ap)
-{
-	if (!sata_scr_valid(ap))
-		pdc_pata_cbl_detect(ap);
-	return ata_std_prereset(ap);
-}
-
 static void pdc_error_handler(struct ata_port *ap)
 {
 	ata_reset_fn_t hardreset;
@@ -574,7 +568,7 @@ static void pdc_error_handler(struct ata_port *ap)
 		hardreset = sata_std_hardreset;
 
 	/* perform recovery */
-	ata_do_eh(ap, pdc_pre_reset, ata_std_softreset, hardreset,
+	ata_do_eh(ap, ata_std_prereset, ata_std_softreset, hardreset,
 		  ata_std_postreset);
 }