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[libata] blacklist Maxtor*BANC* using new wildcard blacklist matching

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Support the use of '*' in model_num and model_rev entries
in ata_device_blacklist[].

Based largely on David Milburn's "libata-core: support wildcard matching
in ata_blacklist_entry" patch.

Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Jeff Garzik 2007-09-20 16:31:47 -04:00
parent ec300d99ef
commit 539cc7c70c
1 changed files with 22 additions and 10 deletions
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32
drivers/ata/libata-core.c
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@ -3814,16 +3814,11 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
/* http://thread.gmane.org/gmane.linux.ide/14907 */
{ "FUJITSU MHT2060BH", NULL, ATA_HORKAGE_NONCQ },
/* NCQ is broken */
{ "Maxtor 6L250S0", "BANC1G10", ATA_HORKAGE_NONCQ },
{ "Maxtor 6B200M0", "BANC1BM0", ATA_HORKAGE_NONCQ },
{ "Maxtor 6B200M0", "BANC1B10", ATA_HORKAGE_NONCQ },
{ "Maxtor 7B250S0", "BANC1B70", ATA_HORKAGE_NONCQ, },
{ "Maxtor 7B300S0", "BANC1B70", ATA_HORKAGE_NONCQ },
{ "Maxtor *", "BANC*", ATA_HORKAGE_NONCQ },
{ "Maxtor 7V300F0", "VA111630", ATA_HORKAGE_NONCQ },
{ "HITACHI HDS7250SASUN500G 0621KTAWSD", "K2AOAJ0AHITACHI",
ATA_HORKAGE_NONCQ },
/* NCQ hard hangs device under heavier load, needs hard power cycle */
{ "Maxtor 6B250S0", "BANC1B70", ATA_HORKAGE_NONCQ },
ATA_HORKAGE_NONCQ },
/* Blacklist entries taken from Silicon Image 3124/3132
Windows driver .inf file - also several Linux problem reports */
{ "HTS541060G9SA00", "MB3OC60D", ATA_HORKAGE_NONCQ, },
@ -3849,6 +3844,23 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
{ }
};
int strn_pattern_cmp(const char *patt, const char *name, int wildchar)
{
const char *p;
int len;
/*
* check for trailing wildcard: *\0
*/
p = strchr(patt, wildchar);
if (p && ((*(p + 1)) == 0))
len = p - patt;
else
len = strlen(name);
return strncmp(patt, name, len);
}
static unsigned long ata_dev_blacklisted(const struct ata_device *dev)
{
unsigned char model_num[ATA_ID_PROD_LEN + 1];
@ -3859,10 +3871,10 @@ static unsigned long ata_dev_blacklisted(const struct ata_device *dev)
ata_id_c_string(dev->id, model_rev, ATA_ID_FW_REV, sizeof(model_rev));
while (ad->model_num) {
if (!strcmp(ad->model_num, model_num)) {
if (!strn_pattern_cmp(ad->model_num, model_num, '*')) {
if (ad->model_rev == NULL)
return ad->horkage;
if (!strcmp(ad->model_rev, model_rev))
if (!strn_pattern_cmp(ad->model_rev, model_rev, '*'))
return ad->horkage;
}
ad++;