X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fscsi%2Faic7xxx%2Faic7xxx_osm.c;fp=drivers%2Fscsi%2Faic7xxx%2Faic7xxx_osm.c;h=b3d35b324ff4652f97c7650bd9e24909d12113a9;hb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;hp=2c801672d8bba5f425628360170c638beb69e195;hpb=4e76c8a9fa413ccc09d3f7f664183dcce3555d57;p=linux-2.6.git

diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c
index 2c801672d..b3d35b324 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c
@@ -353,7 +353,6 @@ MODULE_PARM_DESC(aic7xxx,
 "				periodically to prevent tag starvation.\n"
 "				This may be required by some older disk\n"
 "				drives or RAID arrays.\n"
-"	reverse_scan		Sort PCI devices highest Bus/Slot to lowest\n"
 "	tag_info:<tag_str>	Set per-target tag depth\n"
 "	global_tag_depth:<int>	Global tag depth for every target\n"
 "				on every bus\n"
@@ -886,7 +885,7 @@ ahc_linux_setup_tag_info_global(char *p)
 	tags = simple_strtoul(p + 1, NULL, 0) & 0xff;
 	printf("Setting Global Tags= %d\n", tags);
 
-	for (i = 0; i < NUM_ELEMENTS(aic7xxx_tag_info); i++) {
+	for (i = 0; i < ARRAY_SIZE(aic7xxx_tag_info); i++) {
 		for (j = 0; j < AHC_NUM_TARGETS; j++) {
 			aic7xxx_tag_info[i].tag_commands[j] = tags;
 		}
@@ -898,7 +897,7 @@ ahc_linux_setup_tag_info(u_long arg, int instance, int targ, int32_t value)
 {
 
 	if ((instance >= 0) && (targ >= 0)
-	 && (instance < NUM_ELEMENTS(aic7xxx_tag_info))
+	 && (instance < ARRAY_SIZE(aic7xxx_tag_info))
 	 && (targ < AHC_NUM_TARGETS)) {
 		aic7xxx_tag_info[instance].tag_commands[targ] = value & 0xff;
 		if (bootverbose)
@@ -1020,7 +1019,7 @@ aic7xxx_setup(char *s)
 	end = strchr(s, '\0');
 
 	/*
-	 * XXX ia64 gcc isn't smart enough to know that NUM_ELEMENTS
+	 * XXX ia64 gcc isn't smart enough to know that ARRAY_SIZE
 	 * will never be 0 in this case.
 	 */
 	n = 0;
@@ -1028,13 +1027,13 @@ aic7xxx_setup(char *s)
 	while ((p = strsep(&s, ",.")) != NULL) {
 		if (*p == '\0')
 			continue;
-		for (i = 0; i < NUM_ELEMENTS(options); i++) {
+		for (i = 0; i < ARRAY_SIZE(options); i++) {
 
 			n = strlen(options[i].name);
 			if (strncmp(options[i].name, p, n) == 0)
 				break;
 		}
-		if (i == NUM_ELEMENTS(options))
+		if (i == ARRAY_SIZE(options))
 			continue;
 
 		if (strncmp(p, "global_tag_depth", n) == 0) {
@@ -1360,7 +1359,7 @@ ahc_linux_user_tagdepth(struct ahc_softc *ahc, struct ahc_devinfo *devinfo)
 
 	tags = 0;
 	if ((ahc->user_discenable & devinfo->target_mask) != 0) {
-		if (ahc->unit >= NUM_ELEMENTS(aic7xxx_tag_info)) {
+		if (ahc->unit >= ARRAY_SIZE(aic7xxx_tag_info)) {
 			if (warned_user == 0) {
 
 				printf(KERN_WARNING
@@ -2336,7 +2335,7 @@ done:
 	if (paused)
 		ahc_unpause(ahc);
 	if (wait) {
-		DECLARE_COMPLETION(done);
+		DECLARE_COMPLETION_ONSTACK(done);
 
 		ahc->platform_data->eh_done = &done;
 		ahc_unlock(ahc, &flags);
@@ -2537,6 +2536,35 @@ static void ahc_linux_set_iu(struct scsi_target *starget, int iu)
 }
 #endif
 
+static void ahc_linux_get_signalling(struct Scsi_Host *shost)
+{
+	struct ahc_softc *ahc = *(struct ahc_softc **)shost->hostdata;
+	unsigned long flags;
+	u8 mode;
+
+	if (!(ahc->features & AHC_ULTRA2)) {
+		/* non-LVD chipset, may not have SBLKCTL reg */
+		spi_signalling(shost) = 
+			ahc->features & AHC_HVD ?
+			SPI_SIGNAL_HVD :
+			SPI_SIGNAL_SE;
+		return;
+	}
+
+	ahc_lock(ahc, &flags);
+	ahc_pause(ahc);
+	mode = ahc_inb(ahc, SBLKCTL);
+	ahc_unpause(ahc);
+	ahc_unlock(ahc, &flags);
+
+	if (mode & ENAB40)
+		spi_signalling(shost) = SPI_SIGNAL_LVD;
+	else if (mode & ENAB20)
+		spi_signalling(shost) = SPI_SIGNAL_SE;
+	else
+		spi_signalling(shost) = SPI_SIGNAL_UNKNOWN;
+}
+
 static struct spi_function_template ahc_linux_transport_functions = {
 	.set_offset	= ahc_linux_set_offset,
 	.show_offset	= 1,
@@ -2552,6 +2580,7 @@ static struct spi_function_template ahc_linux_transport_functions = {
 	.set_qas	= ahc_linux_set_qas,
 	.show_qas	= 1,
 #endif
+	.get_signalling	= ahc_linux_get_signalling,
 };