ide-pio-blacklist.c revision 9ad540937554a3779c5fe7af13aa390b1d2aeb3e
1/* 2 * PIO blacklist. Some drives incorrectly report their maximal PIO mode, 3 * at least in respect to CMD640. Here we keep info on some known drives. 4 * 5 * Changes to the ide_pio_blacklist[] should be made with EXTREME CAUTION 6 * to avoid breaking the fragile cmd640.c support. 7 */ 8 9#include <linux/string.h> 10 11static struct ide_pio_info { 12 const char *name; 13 int pio; 14} ide_pio_blacklist [] = { 15 { "Conner Peripherals 540MB - CFS540A", 3 }, 16 17 { "WDC AC2700", 3 }, 18 { "WDC AC2540", 3 }, 19 { "WDC AC2420", 3 }, 20 { "WDC AC2340", 3 }, 21 { "WDC AC2250", 0 }, 22 { "WDC AC2200", 0 }, 23 { "WDC AC21200", 4 }, 24 { "WDC AC2120", 0 }, 25 { "WDC AC2850", 3 }, 26 { "WDC AC1270", 3 }, 27 { "WDC AC1170", 1 }, 28 { "WDC AC1210", 1 }, 29 { "WDC AC280", 0 }, 30 { "WDC AC31000", 3 }, 31 { "WDC AC31200", 3 }, 32 33 { "Maxtor 7131 AT", 1 }, 34 { "Maxtor 7171 AT", 1 }, 35 { "Maxtor 7213 AT", 1 }, 36 { "Maxtor 7245 AT", 1 }, 37 { "Maxtor 7345 AT", 1 }, 38 { "Maxtor 7546 AT", 3 }, 39 { "Maxtor 7540 AV", 3 }, 40 41 { "SAMSUNG SHD-3121A", 1 }, 42 { "SAMSUNG SHD-3122A", 1 }, 43 { "SAMSUNG SHD-3172A", 1 }, 44 45 { "ST5660A", 3 }, 46 { "ST3660A", 3 }, 47 { "ST3630A", 3 }, 48 { "ST3655A", 3 }, 49 { "ST3391A", 3 }, 50 { "ST3390A", 1 }, 51 { "ST3600A", 1 }, 52 { "ST3290A", 0 }, 53 { "ST3144A", 0 }, 54 { "ST3491A", 1 }, /* reports 3, should be 1 or 2 (depending on drive) 55 according to Seagate's FIND-ATA program */ 56 57 { "QUANTUM ELS127A", 0 }, 58 { "QUANTUM ELS170A", 0 }, 59 { "QUANTUM LPS240A", 0 }, 60 { "QUANTUM LPS210A", 3 }, 61 { "QUANTUM LPS270A", 3 }, 62 { "QUANTUM LPS365A", 3 }, 63 { "QUANTUM LPS540A", 3 }, 64 { "QUANTUM LIGHTNING 540A", 3 }, 65 { "QUANTUM LIGHTNING 730A", 3 }, 66 67 { "QUANTUM FIREBALL_540", 3 }, /* Older Quantum Fireballs don't work */ 68 { "QUANTUM FIREBALL_640", 3 }, 69 { "QUANTUM FIREBALL_1080", 3 }, 70 { "QUANTUM FIREBALL_1280", 3 }, 71 { NULL, 0 } 72}; 73 74/** 75 * ide_scan_pio_blacklist - check for a blacklisted drive 76 * @model: Drive model string 77 * 78 * This routine searches the ide_pio_blacklist for an entry 79 * matching the start/whole of the supplied model name. 80 * 81 * Returns -1 if no match found. 82 * Otherwise returns the recommended PIO mode from ide_pio_blacklist[]. 83 */ 84 85int ide_scan_pio_blacklist(char *model) 86{ 87 struct ide_pio_info *p; 88 89 for (p = ide_pio_blacklist; p->name != NULL; p++) { 90 if (strncmp(p->name, model, strlen(p->name)) == 0) 91 return p->pio; 92 } 93 return -1; 94} 95