bcma: fix watchdog on some ARM chipsets

These chipsets don't need changing clock mode.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

1 files changed, 7 insertions, 3 deletions

diff --git a/drivers/bcma/driver_chipcommon.c b/drivers/bcma/driver_chipcommon.c
index 84d4a95e6caf..b7c8a8d4e6d1 100644
--- a/drivers/bcma/driver_chipcommon.c
+++ b/drivers/bcma/driver_chipcommon.c
@@ -178,7 +178,6 @@ void bcma_core_chipcommon_init(struct bcma_drv_cc *cc)
 u32 bcma_chipco_watchdog_timer_set(struct bcma_drv_cc *cc, u32 ticks)
 {
         u32 maxt;
-        enum bcma_clkmode clkmode;
 
         maxt = bcma_chipco_watchdog_get_max_timer(cc);
         if (cc->capabilities & BCMA_CC_CAP_PMU) {
@@ -188,8 +187,13 @@ u32 bcma_chipco_watchdog_timer_set(struct bcma_drv_cc *cc, u32 ticks)
                         ticks = maxt;
                 bcma_cc_write32(cc, BCMA_CC_PMU_WATCHDOG, ticks);
         } else {
-                clkmode = ticks ? BCMA_CLKMODE_FAST : BCMA_CLKMODE_DYNAMIC;
-                bcma_core_set_clockmode(cc->core, clkmode);
+                struct bcma_bus *bus = cc->core->bus;
+
+                if (bus->chipinfo.id != BCMA_CHIP_ID_BCM4707 &&
+                    bus->chipinfo.id != BCMA_CHIP_ID_BCM53018)
+                        bcma_core_set_clockmode(cc->core,
+                                                ticks ? BCMA_CLKMODE_FAST : BCMA_CLKMODE_DYNAMIC);
+
                 if (ticks > maxt)
                         ticks = maxt;
                 /* instant NMI */