From b2e756989e9744d94f7cbae47586858c3efc8430 Mon Sep 17 00:00:00 2001 From: Kalle Valo Date: Thu, 27 Oct 2011 18:48:14 +0300 Subject: [PATCH] ath6kl: move power control from sdio to core In preparation for cutting down power from the chip on the fly. Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath6kl/hif-ops.h | 15 +++++++++++++++ drivers/net/wireless/ath/ath6kl/hif.h | 2 ++ drivers/net/wireless/ath/ath6kl/init.c | 16 ++++++++++++---- drivers/net/wireless/ath/ath6kl/sdio.c | 20 ++++++++------------ 4 files changed, 37 insertions(+), 16 deletions(-) diff --git a/drivers/net/wireless/ath/ath6kl/hif-ops.h b/drivers/net/wireless/ath/ath6kl/hif-ops.h index 95e7303..34adc77 100644 --- a/drivers/net/wireless/ath/ath6kl/hif-ops.h +++ b/drivers/net/wireless/ath/ath6kl/hif-ops.h @@ -96,4 +96,19 @@ static inline int ath6kl_hif_resume(struct ath6kl *ar) return ar->hif_ops->resume(ar); } + +static inline int ath6kl_hif_power_on(struct ath6kl *ar) +{ + ath6kl_dbg(ATH6KL_DBG_HIF, "hif power on\n"); + + return ar->hif_ops->power_on(ar); +} + +static inline int ath6kl_hif_power_off(struct ath6kl *ar) +{ + ath6kl_dbg(ATH6KL_DBG_HIF, "hif power off\n"); + + return ar->hif_ops->power_off(ar); +} + #endif diff --git a/drivers/net/wireless/ath/ath6kl/hif.h b/drivers/net/wireless/ath/ath6kl/hif.h index 93d2912..ee7c31a 100644 --- a/drivers/net/wireless/ath/ath6kl/hif.h +++ b/drivers/net/wireless/ath/ath6kl/hif.h @@ -242,6 +242,8 @@ struct ath6kl_hif_ops { void (*cleanup_scatter)(struct ath6kl *ar); int (*suspend)(struct ath6kl *ar); int (*resume)(struct ath6kl *ar); + int (*power_on)(struct ath6kl *ar); + int (*power_off)(struct ath6kl *ar); }; int ath6kl_hif_setup(struct ath6kl_device *dev); diff --git a/drivers/net/wireless/ath/ath6kl/init.c b/drivers/net/wireless/ath/ath6kl/init.c index 6e6a141..e89c9a6 100644 --- a/drivers/net/wireless/ath/ath6kl/init.c +++ b/drivers/net/wireless/ath/ath6kl/init.c @@ -554,6 +554,8 @@ void ath6kl_core_free(struct ath6kl *ar) void ath6kl_core_cleanup(struct ath6kl *ar) { + ath6kl_hif_power_off(ar); + destroy_workqueue(ar->ath6kl_wq); if (ar->htc_target) @@ -1602,27 +1604,31 @@ int ath6kl_core_init(struct ath6kl *ar) if (ret) goto err_wq; - ret = ath6kl_bmi_get_target_info(ar, &targ_info); + ret = ath6kl_hif_power_on(ar); if (ret) goto err_bmi_cleanup; + ret = ath6kl_bmi_get_target_info(ar, &targ_info); + if (ret) + goto err_power_off; + ar->version.target_ver = le32_to_cpu(targ_info.version); ar->target_type = le32_to_cpu(targ_info.type); ar->wiphy->hw_version = le32_to_cpu(targ_info.version); ret = ath6kl_init_hw_params(ar); if (ret) - goto err_bmi_cleanup; + goto err_power_off; ret = ath6kl_configure_target(ar); if (ret) - goto err_bmi_cleanup; + goto err_power_off; ar->htc_target = ath6kl_htc_create(ar); if (!ar->htc_target) { ret = -ENOMEM; - goto err_bmi_cleanup; + goto err_power_off; } ret = ath6kl_fetch_firmwares(ar); @@ -1641,6 +1647,8 @@ int ath6kl_core_init(struct ath6kl *ar) err_htc_cleanup: ath6kl_htc_cleanup(ar->htc_target); +err_power_off: + ath6kl_hif_power_off(ar); err_bmi_cleanup: ath6kl_bmi_cleanup(ar); err_wq: diff --git a/drivers/net/wireless/ath/ath6kl/sdio.c b/drivers/net/wireless/ath/ath6kl/sdio.c index 5ce0b8b..682c47c 100644 --- a/drivers/net/wireless/ath/ath6kl/sdio.c +++ b/drivers/net/wireless/ath/ath6kl/sdio.c @@ -463,8 +463,9 @@ static void ath6kl_sdio_irq_handler(struct sdio_func *func) WARN_ON(status && status != -ECANCELED); } -static int ath6kl_sdio_power_on(struct ath6kl_sdio *ar_sdio) +static int ath6kl_sdio_power_on(struct ath6kl *ar) { + struct ath6kl_sdio *ar_sdio = ath6kl_sdio_priv(ar); struct sdio_func *func = ar_sdio->func; int ret = 0; @@ -495,8 +496,9 @@ static int ath6kl_sdio_power_on(struct ath6kl_sdio *ar_sdio) return ret; } -static int ath6kl_sdio_power_off(struct ath6kl_sdio *ar_sdio) +static int ath6kl_sdio_power_off(struct ath6kl *ar) { + struct ath6kl_sdio *ar_sdio = ath6kl_sdio_priv(ar); int ret; if (ar_sdio->is_disabled) @@ -772,6 +774,8 @@ static const struct ath6kl_hif_ops ath6kl_sdio_ops = { .cleanup_scatter = ath6kl_sdio_cleanup_scatter, .suspend = ath6kl_sdio_suspend, .resume = ath6kl_sdio_resume, + .power_on = ath6kl_sdio_power_on, + .power_off = ath6kl_sdio_power_off, }; static int ath6kl_sdio_probe(struct sdio_func *func, @@ -852,10 +856,6 @@ static int ath6kl_sdio_probe(struct sdio_func *func, sdio_release_host(func); - ret = ath6kl_sdio_power_on(ar_sdio); - if (ret) - goto err_core_alloc; - sdio_claim_host(func); ret = sdio_set_block_size(func, HIF_MBOX_BLOCK_SIZE); @@ -863,7 +863,7 @@ static int ath6kl_sdio_probe(struct sdio_func *func, ath6kl_err("Set sdio block size %d failed: %d)\n", HIF_MBOX_BLOCK_SIZE, ret); sdio_release_host(func); - goto err_off; + goto err_hif; } sdio_release_host(func); @@ -871,13 +871,11 @@ static int ath6kl_sdio_probe(struct sdio_func *func, ret = ath6kl_core_init(ar); if (ret) { ath6kl_err("Failed to init ath6kl core\n"); - goto err_off; + goto err_hif; } return ret; -err_off: - ath6kl_sdio_power_off(ar_sdio); err_core_alloc: ath6kl_core_free(ar_sdio->ar); err_dma: @@ -903,8 +901,6 @@ static void ath6kl_sdio_remove(struct sdio_func *func) ath6kl_core_cleanup(ar_sdio->ar); - ath6kl_sdio_power_off(ar_sdio); - kfree(ar_sdio->dma_buffer); kfree(ar_sdio); } -- 2.7.4