From: Luciano Coelho <coelho@xxxxxx> PLT mode needs to be initialized differently for each chip. This patch adds an operation to init PLT and moves the existing PLT initialization into the wl12xx driver. Signed-off-by: Luciano Coelho <coelho@xxxxxx> Signed-off-by: Arik Nemtsov <arik@xxxxxxxxxx> --- drivers/net/wireless/ti/wl12xx/main.c | 57 +++++++++++++++++++++++++++++ drivers/net/wireless/ti/wlcore/acx.c | 4 +++ drivers/net/wireless/ti/wlcore/cmd.c | 1 + drivers/net/wireless/ti/wlcore/main.c | 59 +------------------------------ drivers/net/wireless/ti/wlcore/wlcore.h | 1 + 5 files changed, 64 insertions(+), 58 deletions(-) diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c index 0266855..1d097c1 100644 --- a/drivers/net/wireless/ti/wl12xx/main.c +++ b/drivers/net/wireless/ti/wl12xx/main.c @@ -1302,10 +1302,67 @@ static void wl12xx_set_tx_desc_csum(struct wl1271 *wl, desc->wl12xx_reserved = 0; } +static int wl12xx_plt_init(struct wl1271 *wl) +{ + int ret; + + ret = wl->ops->boot(wl); + if (ret < 0) + goto out; + + ret = wl->ops->hw_init(wl); + if (ret < 0) + goto out_irq_disable; + + ret = wl1271_acx_init_mem_config(wl); + if (ret < 0) + goto out_irq_disable; + + ret = wl12xx_acx_mem_cfg(wl); + if (ret < 0) + goto out_free_memmap; + + /* Enable data path */ + ret = wl1271_cmd_data_path(wl, 1); + if (ret < 0) + goto out_free_memmap; + + /* Configure for CAM power saving (ie. always active) */ + ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); + if (ret < 0) + goto out_free_memmap; + + /* configure PM */ + ret = wl1271_acx_pm_config(wl); + if (ret < 0) + goto out_free_memmap; + + goto out; + +out_free_memmap: + kfree(wl->target_mem_map); + wl->target_mem_map = NULL; + +out_irq_disable: + mutex_unlock(&wl->mutex); + /* Unlocking the mutex in the middle of handling is + inherently unsafe. In this case we deem it safe to do, + because we need to let any possibly pending IRQ out of + the system (and while we are WL1271_STATE_OFF the IRQ + work function will not do anything.) Also, any other + possible concurrent operations will fail due to the + current state, hence the wl1271 struct should be safe. */ + wlcore_disable_interrupts(wl); + mutex_lock(&wl->mutex); +out: + return ret; +} + static struct wlcore_ops wl12xx_ops = { .identify_chip = wl12xx_identify_chip, .identify_fw = wl12xx_identify_fw, .boot = wl12xx_boot, + .plt_init = wl12xx_plt_init, .trigger_cmd = wl12xx_trigger_cmd, .ack_event = wl12xx_ack_event, .calc_tx_blocks = wl12xx_calc_tx_blocks, diff --git a/drivers/net/wireless/ti/wlcore/acx.c b/drivers/net/wireless/ti/wlcore/acx.c index 0fd78a0..611666e 100644 --- a/drivers/net/wireless/ti/wlcore/acx.c +++ b/drivers/net/wireless/ti/wlcore/acx.c @@ -86,6 +86,7 @@ out: kfree(auth); return ret; } +EXPORT_SYMBOL_GPL(wl1271_acx_sleep_auth); int wl1271_acx_tx_power(struct wl1271 *wl, struct wl12xx_vif *wlvif, int power) @@ -997,6 +998,7 @@ out: kfree(mem_conf); return ret; } +EXPORT_SYMBOL_GPL(wl12xx_acx_mem_cfg); int wl1271_acx_init_mem_config(struct wl1271 *wl) { @@ -1027,6 +1029,7 @@ int wl1271_acx_init_mem_config(struct wl1271 *wl) return 0; } +EXPORT_SYMBOL_GPL(wl1271_acx_init_mem_config); int wl1271_acx_init_rx_interrupt(struct wl1271 *wl) { @@ -1150,6 +1153,7 @@ out: kfree(acx); return ret; } +EXPORT_SYMBOL_GPL(wl1271_acx_pm_config); int wl1271_acx_keep_alive_mode(struct wl1271 *wl, struct wl12xx_vif *wlvif, bool enable) diff --git a/drivers/net/wireless/ti/wlcore/cmd.c b/drivers/net/wireless/ti/wlcore/cmd.c index 0dec465..5c47560 100644 --- a/drivers/net/wireless/ti/wlcore/cmd.c +++ b/drivers/net/wireless/ti/wlcore/cmd.c @@ -816,6 +816,7 @@ out: kfree(cmd); return ret; } +EXPORT_SYMBOL_GPL(wl1271_cmd_data_path); int wl1271_cmd_ps_mode(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 ps_mode, u16 auto_ps_timeout) diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index 414ffa8..3aadf74 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -320,46 +320,6 @@ static void wlcore_adjust_conf(struct wl1271 *wl) } } -static int wl1271_plt_init(struct wl1271 *wl) -{ - int ret; - - ret = wl->ops->hw_init(wl); - if (ret < 0) - return ret; - - ret = wl1271_acx_init_mem_config(wl); - if (ret < 0) - return ret; - - ret = wl12xx_acx_mem_cfg(wl); - if (ret < 0) - goto out_free_memmap; - - /* Enable data path */ - ret = wl1271_cmd_data_path(wl, 1); - if (ret < 0) - goto out_free_memmap; - - /* Configure for CAM power saving (ie. always active) */ - ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); - if (ret < 0) - goto out_free_memmap; - - /* configure PM */ - ret = wl1271_acx_pm_config(wl); - if (ret < 0) - goto out_free_memmap; - - return 0; - - out_free_memmap: - kfree(wl->target_mem_map); - wl->target_mem_map = NULL; - - return ret; -} - static void wl12xx_irq_ps_regulate_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 hlid, u8 tx_pkts) @@ -1042,14 +1002,10 @@ int wl1271_plt_start(struct wl1271 *wl) if (ret < 0) goto power_off; - ret = wl->ops->boot(wl); + ret = wl->ops->plt_init(wl); if (ret < 0) goto power_off; - ret = wl1271_plt_init(wl); - if (ret < 0) - goto irq_disable; - wl->plt = true; wl->state = WL1271_STATE_ON; wl1271_notice("firmware booted in PLT mode (%s)", @@ -1062,19 +1018,6 @@ int wl1271_plt_start(struct wl1271 *wl) goto out; -irq_disable: - mutex_unlock(&wl->mutex); - /* Unlocking the mutex in the middle of handling is - inherently unsafe. In this case we deem it safe to do, - because we need to let any possibly pending IRQ out of - the system (and while we are WL1271_STATE_OFF the IRQ - work function will not do anything.) Also, any other - possible concurrent operations will fail due to the - current state, hence the wl1271 struct should be safe. */ - wlcore_disable_interrupts(wl); - wl1271_flush_deferred_work(wl); - cancel_work_sync(&wl->netstack_work); - mutex_lock(&wl->mutex); power_off: wl1271_power_off(wl); } diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h index f62152e..1fc3c77 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore.h +++ b/drivers/net/wireless/ti/wlcore/wlcore.h @@ -39,6 +39,7 @@ struct wlcore_ops { int (*identify_chip)(struct wl1271 *wl); int (*identify_fw)(struct wl1271 *wl); int (*boot)(struct wl1271 *wl); + int (*plt_init)(struct wl1271 *wl); void (*trigger_cmd)(struct wl1271 *wl, int cmd_box_addr, void *buf, size_t len); void (*ack_event)(struct wl1271 *wl); -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html