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qcacmn: Move tasklet flush up to ce

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Wish to reuse this logic for snoc

Change-Id: Ibd678feec9fe0ee583d32d055d4cb4a4885991ab
CRs-Fixed: 1051968
This commit is contained in:
Houston Hoffman
2016-08-08 21:08:04 -07:00
committed by Vishwajith Upendra
parent cb9bc6333d
commit 6f60b107c5
4 changed files with 30 additions and 29 deletions
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29
hif/src/ce/ce_tasklet.c
View File

@@ -240,6 +240,35 @@ void ce_tasklet_kill(struct hif_softc *scn)
qdf_atomic_set(&scn->active_tasklet_cnt, 0);
}
#define HIF_CE_DRAIN_WAIT_CNT 20
/**
* hif_drain_tasklets(): wait untill no tasklet is pending
* @scn: hif context
*
* Let running tasklets clear pending trafic.
*
* Return: 0 if no bottom half is in progress when it returns.
* -EFAULT if it times out.
*/
int hif_drain_tasklets(struct hif_softc *scn)
{
uint32_t ce_drain_wait_cnt = 0;
while (qdf_atomic_read(&scn->active_tasklet_cnt)) {
if (++ce_drain_wait_cnt > HIF_CE_DRAIN_WAIT_CNT) {
HIF_ERROR("%s: CE still not done with access",
__func__);
return -EFAULT;
}
HIF_INFO("%s: Waiting for CE to finish access", __func__);
msleep(10);
}
return 0;
}
#ifdef WLAN_SUSPEND_RESUME_TEST
static bool g_hif_apps_fake_suspended;
static hdd_fake_resume_callback hdd_fake_aps_resume;

1
hif/src/ce/ce_tasklet.h
View File

@@ -31,6 +31,7 @@
void init_tasklet_workers(struct hif_opaque_softc *scn);
void ce_tasklet_init(struct HIF_CE_state *hif_ce_state, uint32_t mask);
void ce_tasklet_kill(struct hif_softc *scn);
int hif_drain_tasklets(struct hif_softc *scn);
QDF_STATUS ce_register_irq(struct HIF_CE_state *hif_ce_state, uint32_t mask);
QDF_STATUS ce_unregister_irq(struct HIF_CE_state *hif_ce_state, uint32_t mask);
irqreturn_t ce_dispatch_interrupt(int irq,

26
hif/src/pcie/if_pci.c
View File

@@ -2504,32 +2504,6 @@ void hif_pci_prevent_linkdown(struct hif_softc *scn, bool flag)
}
#endif
/**
* hif_drain_tasklets(): wait untill no tasklet is pending
* @scn: hif context
*
* Let running tasklets clear pending trafic.
*
* Return: 0 if no bottom half is in progress when it returns.
* -EFAULT if it times out.
*/
static inline int hif_drain_tasklets(struct hif_softc *scn)
{
uint32_t ce_drain_wait_cnt = 0;
while (qdf_atomic_read(&scn->active_tasklet_cnt)) {
if (++ce_drain_wait_cnt > HIF_CE_DRAIN_WAIT_CNT) {
HIF_ERROR("%s: CE still not done with access",
__func__);
return -EFAULT;
}
HIF_INFO("%s: Waiting for CE to finish access", __func__);
msleep(10);
}
return 0;
}
/**
* hif_bus_suspend_link_up() - suspend the bus
*

3
hif/src/pcie/if_pci.h
View File

@@ -185,9 +185,6 @@ irqreturn_t hif_pci_interrupt_handler(int irq, void *arg);
#define OL_ATH_TX_DRAIN_WAIT_CNT 60
#endif
#define HIF_CE_DRAIN_WAIT_CNT 20
#ifdef FEATURE_RUNTIME_PM
#include <linux/pm_runtime.h>