Release 4.7 drivers/ide/ide-pio-blacklist.c

/*
 * PIO blacklist.  Some drives incorrectly report their maximal PIO mode,
 * at least in respect to CMD640.  Here we keep info on some known drives.
 *
 * Changes to the ide_pio_blacklist[] should be made with EXTREME CAUTION
 * to avoid breaking the fragile cmd640.c support.
 */

#include <linux/string.h>
#include <linux/ide.h>


static struct ide_pio_info {
	
const char	*name;
	
int		pio;
} 
ide_pio_blacklist [] = {
	{ "Conner Peripherals 540MB - CFS540A", 3 },

	{ "WDC AC2700",  3 },
	{ "WDC AC2540",  3 },
	{ "WDC AC2420",  3 },
	{ "WDC AC2340",  3 },
	{ "WDC AC2250",  0 },
	{ "WDC AC2200",  0 },
	{ "WDC AC21200", 4 },
	{ "WDC AC2120",  0 },
	{ "WDC AC2850",  3 },
	{ "WDC AC1270",  3 },
	{ "WDC AC1170",  1 },
	{ "WDC AC1210",  1 },
	{ "WDC AC280",   0 },
	{ "WDC AC31000", 3 },
	{ "WDC AC31200", 3 },

	{ "Maxtor 7131 AT", 1 },
	{ "Maxtor 7171 AT", 1 },
	{ "Maxtor 7213 AT", 1 },
	{ "Maxtor 7245 AT", 1 },
	{ "Maxtor 7345 AT", 1 },
	{ "Maxtor 7546 AT", 3 },
	{ "Maxtor 7540 AV", 3 },

	{ "SAMSUNG SHD-3121A", 1 },
	{ "SAMSUNG SHD-3122A", 1 },
	{ "SAMSUNG SHD-3172A", 1 },

	{ "ST5660A",  3 },
	{ "ST3660A",  3 },
	{ "ST3630A",  3 },
	{ "ST3655A",  3 },
	{ "ST3391A",  3 },
	{ "ST3390A",  1 },
	{ "ST3600A",  1 },
	{ "ST3290A",  0 },
	{ "ST3144A",  0 },
	{ "ST3491A",  1 }, /* reports 3, should be 1 or 2 (depending on drive)
                              according to Seagate's FIND-ATA program */

	{ "QUANTUM ELS127A", 0 },
	{ "QUANTUM ELS170A", 0 },
	{ "QUANTUM LPS240A", 0 },
	{ "QUANTUM LPS210A", 3 },
	{ "QUANTUM LPS270A", 3 },
	{ "QUANTUM LPS365A", 3 },
	{ "QUANTUM LPS540A", 3 },
	{ "QUANTUM LIGHTNING 540A", 3 },
	{ "QUANTUM LIGHTNING 730A", 3 },

	{ "QUANTUM FIREBALL_540", 3 }, /* Older Quantum Fireballs don't work */
	{ "QUANTUM FIREBALL_640", 3 },
	{ "QUANTUM FIREBALL_1080", 3 },
	{ "QUANTUM FIREBALL_1280", 3 },
	{ NULL, 0 }
};

/**
 *      ide_scan_pio_blacklist  -       check for a blacklisted drive
 *      @model: Drive model string
 *
 *      This routine searches the ide_pio_blacklist for an entry
 *      matching the start/whole of the supplied model name.
 *
 *      Returns -1 if no match found.
 *      Otherwise returns the recommended PIO mode from ide_pio_blacklist[].
 */



int ide_scan_pio_blacklist(char *model)
{
	struct ide_pio_info *p;

	for (p = ide_pio_blacklist; p->name != NULL; p++) {
		if (strncmp(p->name, model, strlen(p->name)) == 0)
			return p->pio;
	}
	return -1;
}
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