In preparation for cutting down power from the chip on the fly.
Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxxxx>
---
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 64975a9..0564add 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)
@@ -1601,27 +1603,31 @@ 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);
@@ -1640,6 +1646,8 @@ 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);
}
--
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