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authorLuis R. Rodriguez <lrodriguez@atheros.com>2009-06-02 16:30:56 -0400
committerJohn W. Linville <linville@tuxdriver.com>2009-06-03 14:06:15 -0400
commite03e5ffd8d3327d23d76be5d63cfbbb537b1af59 (patch)
tree5119a353177eb0b381478fbdc589e127344c736c /drivers
parent581f725ccd7e697074aa057fa86bf99b54052c95 (diff)
ath: make regulatory parsing more verbose on debug
This should help when reviewing issues regarding regulatory domain on ath5k/ath9k/ar9170. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/ath/regd.c29
1 files changed, 25 insertions, 4 deletions
diff --git a/drivers/net/wireless/ath/regd.c b/drivers/net/wireless/ath/regd.c
index 7a89f9fac7d4..eef370bd1211 100644
--- a/drivers/net/wireless/ath/regd.c
+++ b/drivers/net/wireless/ath/regd.c
@@ -366,11 +366,17 @@ static bool ath_regd_is_eeprom_valid(struct ath_regulatory *reg)
if (rd & COUNTRY_ERD_FLAG) {
/* EEPROM value is a country code */
u16 cc = rd & ~COUNTRY_ERD_FLAG;
+ printk(KERN_DEBUG
+ "ath: EEPROM indicates we should expect "
+ "a country code\n");
for (i = 0; i < ARRAY_SIZE(allCountries); i++)
if (allCountries[i].countryCode == cc)
return true;
} else {
/* EEPROM value is a regpair value */
+ if (rd != CTRY_DEFAULT)
+ printk(KERN_DEBUG "ath: EEPROM indicates we "
+ "should expect a direct regpair map\n");
for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++)
if (regDomainPairs[i].regDmnEnum == rd)
return true;
@@ -477,6 +483,11 @@ ath_regd_init(struct ath_regulatory *reg,
struct country_code_to_enum_rd *country = NULL;
u16 regdmn;
+ if (!reg)
+ return -EINVAL;
+
+ printk(KERN_DEBUG "ath: EEPROM regdomain: 0x%0x\n", reg->current_rd);
+
if (!ath_regd_is_eeprom_valid(reg)) {
printk(KERN_ERR "ath: Invalid EEPROM contents\n");
return -EINVAL;
@@ -486,20 +497,30 @@ ath_regd_init(struct ath_regulatory *reg,
reg->country_code = ath_regd_get_default_country(regdmn);
if (reg->country_code == CTRY_DEFAULT &&
- regdmn == CTRY_DEFAULT)
+ regdmn == CTRY_DEFAULT) {
+ printk(KERN_DEBUG "ath: EEPROM indicates default "
+ "country code should be used\n");
reg->country_code = CTRY_UNITED_STATES;
+ }
if (reg->country_code == CTRY_DEFAULT) {
country = NULL;
} else {
+ printk(KERN_DEBUG "ath: doing EEPROM country->regdmn "
+ "map search\n");
country = ath_regd_find_country(reg->country_code);
if (country == NULL) {
printk(KERN_DEBUG
- "ath: Country is NULL!!!!, cc= %d\n",
+ "ath: no valid country maps found for "
+ "country code: 0x%0x\n",
reg->country_code);
return -EINVAL;
- } else
+ } else {
regdmn = country->regDmnEnum;
+ printk(KERN_DEBUG "ath: country maps to "
+ "regdmn code: 0x%0x\n",
+ regdmn);
+ }
}
reg->regpair = ath_get_regpair(regdmn);
@@ -523,7 +544,7 @@ ath_regd_init(struct ath_regulatory *reg,
printk(KERN_DEBUG "ath: Country alpha2 being used: %c%c\n",
reg->alpha2[0], reg->alpha2[1]);
- printk(KERN_DEBUG "ath: Regpair detected: 0x%0x\n",
+ printk(KERN_DEBUG "ath: Regpair used: 0x%0x\n",
reg->regpair->regDmnEnum);
ath_regd_init_wiphy(reg, wiphy, reg_notifier);