staging: brcm80211: remove fullmac module_param for watchdog

Use constant to replace global variable used for watchdog polling

Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/brcm80211/brcmfmac/bcmsdh.c b/drivers/staging/brcm80211/brcmfmac/bcmsdh.c
index d9d1592..5906337 100644 (file)
--- 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 (file)
--- 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 (file)
--- 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;