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-rw-r--r--drivers/scsi/libata-core.c94
1 files changed, 59 insertions, 35 deletions
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 477afb4a9255..c6600ac965f0 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -2563,48 +2563,72 @@ int ata_dev_revalidate(struct ata_port *ap, struct ata_device *dev,
2563} 2563}
2564 2564
2565static const char * const ata_dma_blacklist [] = { 2565static const char * const ata_dma_blacklist [] = {
2566 "WDC AC11000H", 2566 "WDC AC11000H", NULL,
2567 "WDC AC22100H", 2567 "WDC AC22100H", NULL,
2568 "WDC AC32500H", 2568 "WDC AC32500H", NULL,
2569 "WDC AC33100H", 2569 "WDC AC33100H", NULL,
2570 "WDC AC31600H", 2570 "WDC AC31600H", NULL,
2571 "WDC AC32100H", 2571 "WDC AC32100H", "24.09P07",
2572 "WDC AC23200L", 2572 "WDC AC23200L", "21.10N21",
2573 "Compaq CRD-8241B", 2573 "Compaq CRD-8241B", NULL,
2574 "CRD-8400B", 2574 "CRD-8400B", NULL,
2575 "CRD-8480B", 2575 "CRD-8480B", NULL,
2576 "CRD-8482B", 2576 "CRD-8482B", NULL,
2577 "CRD-84", 2577 "CRD-84", NULL,
2578 "SanDisk SDP3B", 2578 "SanDisk SDP3B", NULL,
2579 "SanDisk SDP3B-64", 2579 "SanDisk SDP3B-64", NULL,
2580 "SANYO CD-ROM CRD", 2580 "SANYO CD-ROM CRD", NULL,
2581 "HITACHI CDR-8", 2581 "HITACHI CDR-8", NULL,
2582 "HITACHI CDR-8335", 2582 "HITACHI CDR-8335", NULL,
2583 "HITACHI CDR-8435", 2583 "HITACHI CDR-8435", NULL,
2584 "Toshiba CD-ROM XM-6202B", 2584 "Toshiba CD-ROM XM-6202B", NULL,
2585 "TOSHIBA CD-ROM XM-1702BC", 2585 "TOSHIBA CD-ROM XM-1702BC", NULL,
2586 "CD-532E-A", 2586 "CD-532E-A", NULL,
2587 "E-IDE CD-ROM CR-840", 2587 "E-IDE CD-ROM CR-840", NULL,
2588 "CD-ROM Drive/F5A", 2588 "CD-ROM Drive/F5A", NULL,
2589 "WPI CDD-820", 2589 "WPI CDD-820", NULL,
2590 "SAMSUNG CD-ROM SC-148C", 2590 "SAMSUNG CD-ROM SC-148C", NULL,
2591 "SAMSUNG CD-ROM SC", 2591 "SAMSUNG CD-ROM SC", NULL,
2592 "SanDisk SDP3B-64", 2592 "SanDisk SDP3B-64", NULL,
2593 "ATAPI CD-ROM DRIVE 40X MAXIMUM", 2593 "ATAPI CD-ROM DRIVE 40X MAXIMUM",NULL,
2594 "_NEC DV5800A", 2594 "_NEC DV5800A", NULL,
2595 "SAMSUNG CD-ROM SN-124", "N001"
2595}; 2596};
2597
2598static int ata_strim(char *s, size_t len)
2599{
2600 len = strnlen(s, len);
2601
2602 /* ATAPI specifies that empty space is blank-filled; remove blanks */
2603 while ((len > 0) && (s[len - 1] == ' ')) {
2604 len--;
2605 s[len] = 0;
2606 }
2607 return len;
2608}
2596 2609
2597static int ata_dma_blacklisted(const struct ata_device *dev) 2610static int ata_dma_blacklisted(const struct ata_device *dev)
2598{ 2611{
2599 unsigned char model_num[41]; 2612 unsigned char model_num[40];
2613 unsigned char model_rev[16];
2614 unsigned int nlen, rlen;
2600 int i; 2615 int i;
2601 2616
2602 ata_id_c_string(dev->id, model_num, ATA_ID_PROD_OFS, sizeof(model_num)); 2617 ata_id_string(dev->id, model_num, ATA_ID_PROD_OFS,
2603 2618 sizeof(model_num));
2604 for (i = 0; i < ARRAY_SIZE(ata_dma_blacklist); i++) 2619 ata_id_string(dev->id, model_rev, ATA_ID_FW_REV_OFS,
2605 if (!strcmp(ata_dma_blacklist[i], model_num)) 2620 sizeof(model_rev));
2606 return 1; 2621 nlen = ata_strim(model_num, sizeof(model_num));
2622 rlen = ata_strim(model_rev, sizeof(model_rev));
2607 2623
2624 for (i = 0; i < ARRAY_SIZE(ata_dma_blacklist); i += 2) {
2625 if (!strncmp(ata_dma_blacklist[i], model_num, nlen)) {
2626 if (ata_dma_blacklist[i+1] == NULL)
2627 return 1;
2628 if (!strncmp(ata_dma_blacklist[i], model_rev, rlen))
2629 return 1;
2630 }
2631 }
2608 return 0; 2632 return 0;
2609} 2633}
2610 2634