diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/stex.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/scsi/stex.c b/drivers/scsi/stex.c index 92dbac03c2e5..a20cbd9d325a 100644 --- a/drivers/scsi/stex.c +++ b/drivers/scsi/stex.c @@ -78,6 +78,7 @@ enum { MU_MAX_DELAY_TIME = 240000, MU_HANDSHAKE_SIGNATURE = 0x55aaaa55, + MU_HANDSHAKE_SIGNATURE_HALF = 0x5a5a0000, HMU_PARTNER_TYPE = 2, /* firmware returned values */ @@ -902,6 +903,7 @@ static int stex_handshake(struct st_hba *hba) void __iomem *base = hba->mmio_base; struct handshake_frame *h; dma_addr_t status_phys; + u32 data; int i; if (readl(base + OMR0) != MU_HANDSHAKE_SIGNATURE) { @@ -923,6 +925,13 @@ static int stex_handshake(struct st_hba *hba) udelay(10); + data = readl(base + OMR1); + if ((data & 0xffff0000) == MU_HANDSHAKE_SIGNATURE_HALF) { + data &= 0x0000ffff; + if (hba->host->can_queue > data) + hba->host->can_queue = data; + } + h = (struct handshake_frame *)(hba->dma_mem + MU_REQ_BUFFER_SIZE); h->rb_phy = cpu_to_le32(hba->dma_handle); h->rb_phy_hi = cpu_to_le32((hba->dma_handle >> 16) >> 16); @@ -1234,7 +1243,7 @@ stex_probe(struct pci_dev *pdev, const struct pci_device_id *id) if (err) goto out_free_irq; - err = scsi_init_shared_tag_map(host, ST_CAN_QUEUE); + err = scsi_init_shared_tag_map(host, host->can_queue); if (err) { printk(KERN_ERR DRV_NAME "(%s): init shared queue failed\n", pci_name(pdev)); |