Use constant to replace global variable used for watchdog polling
Reviewed-by: Roland Vossen <rvossen@xxxxxxxxxxxx>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@xxxxxxxxxxxx>
Reviewed-by: Arend van Spriel <arend@xxxxxxxxxxxx>
Signed-off-by: Franky Lin <frankyl@xxxxxxxxxxxx>
---
drivers/staging/brcm80211/brcmfmac/bcmsdh.c | 2 +-
drivers/staging/brcm80211/brcmfmac/dhd_bus.h | 6 ++--
drivers/staging/brcm80211/brcmfmac/dhd_sdio.c | 45 +++++++++---------------
3 files changed, 21 insertions(+), 32 deletions(-)
diff --git a/drivers/staging/brcm80211/brcmfmac/bcmsdh.c b/drivers/staging/brcm80211/brcmfmac/bcmsdh.c
index d9d1592..5906337 100644
--- a/drivers/staging/brcm80211/brcmfmac/bcmsdh.c
+++ b/drivers/staging/brcm80211/brcmfmac/bcmsdh.c
@@ -375,7 +375,7 @@ void brcmf_sdio_unregister(void)
void brcmf_sdio_wdtmr_enable(struct brcmf_sdio_dev *sdiodev, bool enable)
{
if (enable)
- brcmf_sdbrcm_wd_timer(sdiodev->bus, brcmf_watchdog_ms);
+ brcmf_sdbrcm_wd_timer(sdiodev->bus, BRCMF_WD_POLL_MS);
else
brcmf_sdbrcm_wd_timer(sdiodev->bus, 0);
}
diff --git a/drivers/staging/brcm80211/brcmfmac/dhd_bus.h b/drivers/staging/brcm80211/brcmfmac/dhd_bus.h
index d02cb10..104c0e7 100644
--- a/drivers/staging/brcm80211/brcmfmac/dhd_bus.h
+++ b/drivers/staging/brcm80211/brcmfmac/dhd_bus.h
@@ -20,6 +20,9 @@
/* Packet alignment for most efficient SDIO (can change based on platform) */
#define BRCMF_SDALIGN (1 << 6)
+/* watchdog polling interval in ms */
+#define BRCMF_WD_POLL_MS 10
+
/*
* Exported from brcmf bus module (brcmf_usb, brcmf_sdio)
*/
@@ -28,9 +31,6 @@
extern uint brcmf_txbound;
extern uint brcmf_rxbound;
-/* Watchdog timer interval */
-extern uint brcmf_watchdog_ms;
-
/* Indicate (dis)interest in finding dongles. */
extern int brcmf_bus_register(void);
extern void brcmf_bus_unregister(void);
diff --git a/drivers/staging/brcm80211/brcmfmac/dhd_sdio.c b/drivers/staging/brcm80211/brcmfmac/dhd_sdio.c
index 53de5a7..4033e73 100644
--- a/drivers/staging/brcm80211/brcmfmac/dhd_sdio.c
+++ b/drivers/staging/brcm80211/brcmfmac/dhd_sdio.c
@@ -612,6 +612,7 @@ struct brcmf_bus {
uint pollcnt; /* Count of active polls */
#ifdef BCMDBG
+ uint console_interval;
struct brcmf_console console; /* Console output polling support */
uint console_addr; /* Console address from shared struct */
#endif /* BCMDBG */
@@ -735,20 +736,10 @@ static int tx_packets[NUMPRIO];
int brcmf_watchdog_prio = 97;
module_param(brcmf_watchdog_prio, int, 0);
-/* Watchdog interval */
-uint brcmf_watchdog_ms = 10;
-module_param(brcmf_watchdog_ms, uint, 0);
-
/* DPC thread priority, -1 to use tasklet */
int brcmf_dpc_prio = 98;
module_param(brcmf_dpc_prio, int, 0);
-#ifdef BCMDBG
-/* Console poll interval */
-uint brcmf_console_ms;
-module_param(brcmf_console_ms, uint, 0);
-#endif /* BCMDBG */
-
/* Tx/Rx bounds */
uint brcmf_txbound;
uint brcmf_rxbound;
@@ -1023,7 +1014,7 @@ static int brcmf_sdbrcm_clkctl(struct brcmf_bus *bus, uint target, bool pendok)
/* Early exit if we're already there */
if (bus->clkstate == target) {
if (target == CLK_AVAIL) {
- brcmf_sdbrcm_wd_timer(bus, brcmf_watchdog_ms);
+ brcmf_sdbrcm_wd_timer(bus, BRCMF_WD_POLL_MS);
bus->activity = true;
}
return 0;
@@ -1036,7 +1027,7 @@ static int brcmf_sdbrcm_clkctl(struct brcmf_bus *bus, uint target, bool pendok)
brcmf_sdbrcm_sdclk(bus, true);
/* Now request HT Avail on the backplane */
brcmf_sdbrcm_htclk(bus, true, pendok);
- brcmf_sdbrcm_wd_timer(bus, brcmf_watchdog_ms);
+ brcmf_sdbrcm_wd_timer(bus, BRCMF_WD_POLL_MS);
bus->activity = true;
break;
@@ -1049,7 +1040,7 @@ static int brcmf_sdbrcm_clkctl(struct brcmf_bus *bus, uint target, bool pendok)
else
brcmf_dbg(ERROR, "request for %d -> %d\n",
bus->clkstate, target);
- brcmf_sdbrcm_wd_timer(bus, brcmf_watchdog_ms);
+ brcmf_sdbrcm_wd_timer(bus, BRCMF_WD_POLL_MS);
break;
case CLK_NONE:
@@ -4038,7 +4029,7 @@ int brcmf_sdbrcm_bus_init(struct brcmf_pub *drvr, bool enforce_mutex)
/* Start the watchdog timer */
bus->drvr->tickcnt = 0;
- brcmf_sdbrcm_wd_timer(bus, brcmf_watchdog_ms);
+ brcmf_sdbrcm_wd_timer(bus, BRCMF_WD_POLL_MS);
if (enforce_mutex)
brcmf_sdbrcm_sdlock(bus);
@@ -4207,15 +4198,15 @@ static bool brcmf_sdbrcm_bus_watchdog(struct brcmf_pub *drvr)
}
#ifdef BCMDBG
/* Poll for console output periodically */
- if (drvr->busstate == BRCMF_BUS_DATA && brcmf_console_ms != 0) {
- bus->console.count += brcmf_watchdog_ms;
- if (bus->console.count >= brcmf_console_ms) {
- bus->console.count -= brcmf_console_ms;
+ if (drvr->busstate == BRCMF_BUS_DATA && bus->console_interval != 0) {
+ bus->console.count += BRCMF_WD_POLL_MS;
+ if (bus->console.count >= bus->console_interval) {
+ bus->console.count -= bus->console_interval;
/* Make sure backplane clock is on */
brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false);
if (brcmf_sdbrcm_readconsole(bus) < 0)
- brcmf_console_ms = 0; /* On error,
- stop trying */
+ /* stop on error */
+ bus->console_interval = 0;
}
}
#endif /* BCMDBG */
@@ -4226,7 +4217,7 @@ static bool brcmf_sdbrcm_bus_watchdog(struct brcmf_pub *drvr)
bus->idlecount = 0;
if (bus->activity) {
bus->activity = false;
- brcmf_sdbrcm_wd_timer(bus, brcmf_watchdog_ms);
+ brcmf_sdbrcm_wd_timer(bus, BRCMF_WD_POLL_MS);
} else {
brcmf_sdbrcm_clkctl(bus, CLK_NONE, false);
}
@@ -4723,7 +4714,7 @@ brcmf_sdbrcm_watchdog(unsigned long data)
/* Reschedule the watchdog */
if (bus->wd_timer_valid)
- mod_timer(&bus->timer, jiffies + brcmf_watchdog_ms * HZ / 1000);
+ mod_timer(&bus->timer, jiffies + BRCMF_WD_POLL_MS * HZ / 1000);
}
static void
@@ -5017,7 +5008,7 @@ int brcmf_bus_devreset(struct brcmf_pub *drvr, u8 flag)
brcmf_dbg(ERROR, "Set DEVRESET=false invoked when device is on\n");
bcmerror = -EIO;
}
- brcmf_sdbrcm_wd_timer(bus, brcmf_watchdog_ms);
+ brcmf_sdbrcm_wd_timer(bus, BRCMF_WD_POLL_MS);
}
return bcmerror;
}
@@ -5038,9 +5029,7 @@ brcmf_sdbrcm_wd_timer(struct brcmf_bus *bus, uint wdtick)
}
if (wdtick) {
- brcmf_watchdog_ms = (uint) wdtick;
-
- if (bus->save_ms != brcmf_watchdog_ms) {
+ if (bus->save_ms != BRCMF_WD_POLL_MS) {
if (bus->wd_timer_valid == true)
/* Stop timer and restart at new value */
del_timer_sync(&bus->timer);
@@ -5049,13 +5038,13 @@ brcmf_sdbrcm_wd_timer(struct brcmf_bus *bus, uint wdtick)
dynamically changed or in the first instance
*/
bus->timer.expires =
- jiffies + brcmf_watchdog_ms * HZ / 1000;
+ jiffies + BRCMF_WD_POLL_MS * HZ / 1000;
add_timer(&bus->timer);
} else {
/* Re arm the timer, at last watchdog period */
mod_timer(&bus->timer,
- jiffies + brcmf_watchdog_ms * HZ / 1000);
+ jiffies + BRCMF_WD_POLL_MS * HZ / 1000);
}
bus->wd_timer_valid = true;
--
1.7.1
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