ath9k: Fix max pattern check
Since the maximum number of configurable patterns
is chip-specific, use the HW capability instead
of a fixed value for checking if a free pattern
slot is available.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_wow.c b/drivers/net/wireless/ath/ath9k/ar9003_wow.c
index 6681a7b..d2a4f6f 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_wow.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_wow.c
@@ -89,17 +89,16 @@
}
-void ath9k_hw_wow_apply_pattern(struct ath_hw *ah, u8 *user_pattern,
- u8 *user_mask, int pattern_count,
- int pattern_len)
+int ath9k_hw_wow_apply_pattern(struct ath_hw *ah, u8 *user_pattern,
+ u8 *user_mask, int pattern_count,
+ int pattern_len)
{
int i;
u32 pattern_val, mask_val;
u32 set, clr;
- /* FIXME: should check count by querying the hardware capability */
- if (pattern_count >= MAX_NUM_PATTERN)
- return;
+ if (pattern_count >= ah->wow.max_patterns)
+ return -ENOSPC;
REG_SET_BIT(ah, AR_WOW_PATTERN, BIT(pattern_count));
@@ -154,6 +153,7 @@
REG_RMW(ah, AR_WOW_LENGTH2, set, clr);
}
+ return 0;
}
EXPORT_SYMBOL(ath9k_hw_wow_apply_pattern);