ath9k_htc: Identify devices using driver_info
Categorize AR7010 & AR9287 devices based on driver_info
of usb_device_id, instead of PIDs. This avoids per-device cases
and minimize code changes for new device addition.
Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
index cba904a..071d0c9 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
@@ -181,7 +181,8 @@
return htc_connect_service(priv->htc, &req, ep_id);
}
-static int ath9k_init_htc_services(struct ath9k_htc_priv *priv, u16 devid)
+static int ath9k_init_htc_services(struct ath9k_htc_priv *priv, u16 devid,
+ u32 drv_info)
{
int ret;
@@ -245,17 +246,10 @@
* the HIF layer, shouldn't matter much.
*/
- switch(devid) {
- case 0x7010:
- case 0x7015:
- case 0x9018:
- case 0xA704:
- case 0x1200:
+ if (drv_info & AR7010_DEVICE)
priv->htc->credits = 45;
- break;
- default:
+ else
priv->htc->credits = 33;
- }
ret = htc_init(priv->htc);
if (ret)
@@ -627,7 +621,8 @@
}
static int ath9k_init_priv(struct ath9k_htc_priv *priv,
- u16 devid, char *product)
+ u16 devid, char *product,
+ u32 drv_info)
{
struct ath_hw *ah = NULL;
struct ath_common *common;
@@ -651,6 +646,7 @@
common->hw = priv->hw;
common->priv = priv;
common->debug_mask = ath9k_debug;
+ common->driver_info = drv_info;
spin_lock_init(&priv->wmi->wmi_lock);
spin_lock_init(&priv->beacon_lock);
@@ -763,7 +759,7 @@
}
static int ath9k_init_device(struct ath9k_htc_priv *priv,
- u16 devid, char *product)
+ u16 devid, char *product, u32 drv_info)
{
struct ieee80211_hw *hw = priv->hw;
struct ath_common *common;
@@ -772,7 +768,7 @@
struct ath_regulatory *reg;
/* Bring up device */
- error = ath9k_init_priv(priv, devid, product);
+ error = ath9k_init_priv(priv, devid, product, drv_info);
if (error != 0)
goto err_init;
@@ -830,7 +826,7 @@
}
int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev,
- u16 devid, char *product)
+ u16 devid, char *product, u32 drv_info)
{
struct ieee80211_hw *hw;
struct ath9k_htc_priv *priv;
@@ -857,14 +853,14 @@
goto err_free;
}
- ret = ath9k_init_htc_services(priv, devid);
+ ret = ath9k_init_htc_services(priv, devid, drv_info);
if (ret)
goto err_init;
/* The device may have been unplugged earlier. */
priv->op_flags &= ~OP_UNPLUGGED;
- ret = ath9k_init_device(priv, devid, product);
+ ret = ath9k_init_device(priv, devid, product, drv_info);
if (ret)
goto err_init;
@@ -894,14 +890,15 @@
#ifdef CONFIG_PM
int ath9k_htc_resume(struct htc_target *htc_handle)
{
+ struct ath9k_htc_priv *priv = htc_handle->drv_priv;
int ret;
- ret = ath9k_htc_wait_for_target(htc_handle->drv_priv);
+ ret = ath9k_htc_wait_for_target(priv);
if (ret)
return ret;
- ret = ath9k_init_htc_services(htc_handle->drv_priv,
- htc_handle->drv_priv->ah->hw_version.devid);
+ ret = ath9k_init_htc_services(priv, priv->ah->hw_version.devid,
+ priv->ah->common.driver_info);
return ret;
}
#endif
