[SCSI] aic79xx: use BIOS settings (986a25f9) · Commits · 戴 / test

drivers/scsi/aic7xxx/aic79xx_osm.c

+28 −7

Original line number	Diff line number	Diff line
		@@ -481,6 +481,7 @@ ahd_linux_target_alloc(struct scsi_target *starget)
		{
		struct ahd_softc *ahd =
		((struct ahd_softc *)dev_to_shost(&starget->dev)->hostdata);
		struct seeprom_config *sc = ahd->seep_config;
		unsigned long flags;
		struct scsi_target **ahd_targp = ahd_linux_target_in_softc(starget);
		struct ahd_linux_target *targ = scsi_transport_target_data(starget);
		@@ -496,18 +497,38 @@ ahd_linux_target_alloc(struct scsi_target *starget)
		*ahd_targp = starget;
		memset(targ, 0, sizeof(*targ));

		if (sc) {
		int flags = sc->device_flags[starget->id];

		tinfo = ahd_fetch_transinfo(ahd, 'A', ahd->our_id,
		starget->id, &tstate);

		if ((flags & CFPACKETIZED) == 0) {
		/* Do not negotiate packetized transfers */
		spi_rd_strm(starget) = 0;
		spi_pcomp_en(starget) = 0;
		spi_rti(starget) = 0;
		spi_wr_flow(starget) = 0;
		spi_hold_mcs(starget) = 0;
		} else {
		if ((ahd->features & AHD_RTI) == 0)
		spi_rti(starget) = 0;
		}

		if ((flags & CFQAS) == 0)
		spi_qas(starget) = 0;

		/* Transinfo values have been set to BIOS settings */
		spi_max_width(starget) = (flags & CFWIDEB) ? 1 : 0;
		spi_min_period(starget) = tinfo->user.period;
		spi_max_offset(starget) = tinfo->user.offset;
		}

		tinfo = ahd_fetch_transinfo(ahd, channel, ahd->our_id,
		starget->id, &tstate);
		ahd_compile_devinfo(&devinfo, ahd->our_id, starget->id,
		CAM_LUN_WILDCARD, channel,
		ROLE_INITIATOR);
		spi_min_period(starget) = AHD_SYNCRATE_MAX; /* We can do U320 */
		if ((ahd->bugs & AHD_PACED_NEGTABLE_BUG) != 0)
		spi_max_offset(starget) = MAX_OFFSET_PACED_BUG;
		else
		spi_max_offset(starget) = MAX_OFFSET_PACED;
		spi_max_width(starget) = ahd->features & AHD_WIDE;

		ahd_set_syncrate(ahd, &devinfo, 0, 0, 0,
		AHD_TRANS_GOAL, /paused/FALSE);
		ahd_set_width(ahd, &devinfo, MSG_EXT_WDTR_BUS_8_BIT,

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