2007-10-27 23:25:01

by Nick Kossifidis

[permalink] [raw]
Subject: [PATCH 5/7] athk: Use SREV to identify single-chip solutions

Use SREV instead of pci id to identify single chip solutions.

Srev is more accurate info to identify the chip + this makes
it possible to identify some 5424 chips found on thinkpads with
faulty 5212 pci id.

Changes-licensed-under: ISC
Signed-Off-by: Nick Kossifidis <[email protected]>

---
diff --git a/drivers/net/wireless/ath5k/hw.c b/drivers/net/wireless/ath5k/hw.c
index c8d1fbd..1c10203 100644
--- a/drivers/net/wireless/ath5k/hw.c
+++ b/drivers/net/wireless/ath5k/hw.c
@@ -229,23 +229,6 @@ struct ath5k_hw *ath5k_hw_attach(u16 device, u8 mac_version, void *sc,
ah->ah_software_retry = false;
ah->ah_ant_diversity = AR5K_TUNE_ANT_DIVERSITY;

- switch (device) {
- case PCI_DEVICE_ID_ATHEROS_AR2413:
- case PCI_DEVICE_ID_ATHEROS_AR5413:
- case PCI_DEVICE_ID_ATHEROS_AR5424:
- /*
- * Known single chip solutions
- */
- ah->ah_single_chip = true;
- break;
- default:
- /*
- * Multi chip solutions
- */
- ah->ah_single_chip = false;
- break;
- }
-
/*
* Set the mac revision based on the pci id
*/
@@ -295,6 +278,14 @@ struct ath5k_hw *ath5k_hw_attach(u16 device, u8 mac_version, void *sc,
ah->ah_radio_2ghz_revision = ath5k_hw_radio_revision(ah,
CHANNEL_2GHZ);

+ /* Identify single chip solutions */
+ if((srev <= AR5K_SREV_VER_AR5414) &&
+ (srev >= AR5K_SREV_VER_AR2424)) {
+ ah->ah_single_chip = true;
+ } else {
+ ah->ah_single_chip = false;
+ }
+
/* Single chip radio */
if (ah->ah_radio_2ghz_revision == ah->ah_radio_5ghz_revision)
ah->ah_radio_2ghz_revision = 0;