UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

ath10k: enable bus layer suspend/resume for WCN3990 

Register snoc bus layer suspend/resume PM ops and configure
the wakeup source(CE2) for the device.

Testing:
    Tested on WCN3990 HW.
    Tested FW: WLAN.HL.2.0-01192-QCAHLSWMTPLZ-1.

Signed-off-by: Govind Singh <govinds@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Govind Singh 2019-02-08 14:55:31 +02:00 committed by Kalle Valo
parent 05e7ba24b1
commit 185be1c664
1 changed files with 45 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

45
drivers/net/wireless/ath/ath10k/snoc.c
View File

@ -30,6 +30,7 @@
#define ATH10K_SNOC_RX_POST_RETRY_MS 50
#define CE_POLL_PIPE 4
#define ATH10K_SNOC_WAKE_IRQ 2
static char *const ce_name[] = {
"WLAN_CE_0",
@ -1048,6 +1049,46 @@ err_wlan_enable:
return ret;
}
#ifdef CONFIG_PM
static int ath10k_snoc_hif_suspend(struct ath10k *ar)
{
struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
int ret;
if (!device_may_wakeup(ar->dev))
return -EPERM;
ret = enable_irq_wake(ar_snoc->ce_irqs[ATH10K_SNOC_WAKE_IRQ].irq_line);
if (ret) {
ath10k_err(ar, "failed to enable wakeup irq :%d\n", ret);
return ret;
}
ath10k_dbg(ar, ATH10K_DBG_SNOC, "snoc device suspended\n");
return ret;
}
static int ath10k_snoc_hif_resume(struct ath10k *ar)
{
struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
int ret;
if (!device_may_wakeup(ar->dev))
return -EPERM;
ret = disable_irq_wake(ar_snoc->ce_irqs[ATH10K_SNOC_WAKE_IRQ].irq_line);
if (ret) {
ath10k_err(ar, "failed to disable wakeup irq: %d\n", ret);
return ret;
}
ath10k_dbg(ar, ATH10K_DBG_SNOC, "snoc device resumed\n");
return ret;
}
#endif
static const struct ath10k_hif_ops ath10k_snoc_hif_ops = {
.read32 = ath10k_snoc_read32,
.write32 = ath10k_snoc_write32,
@ -1061,6 +1102,10 @@ static const struct ath10k_hif_ops ath10k_snoc_hif_ops = {
.send_complete_check = ath10k_snoc_hif_send_complete_check,
.get_free_queue_number = ath10k_snoc_hif_get_free_queue_number,
.get_target_info = ath10k_snoc_hif_get_target_info,
#ifdef CONFIG_PM
.suspend = ath10k_snoc_hif_suspend,
.resume = ath10k_snoc_hif_resume,
#endif
};
static const struct ath10k_bus_ops ath10k_snoc_bus_ops = {