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authorRafał Miłecki <zajec5@gmail.com>2015-01-24 00:23:21 +0100
committerKalle Valo <kvalo@codeaurora.org>2015-01-29 10:44:44 +0200
commit68fcd24503a8222657c99604bdb23713e344bee7 (patch)
treee7e6962e147008a186702dd5dd96a2342176d55f /drivers/bcma
parentcfbed87b304a517af27c22a7caf2cb345cb063f9 (diff)
downloadblackbird-op-linux-68fcd24503a8222657c99604bdb23713e344bee7.tar.gz
blackbird-op-linux-68fcd24503a8222657c99604bdb23713e344bee7.zip
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>
Diffstat (limited to 'drivers/bcma')
-rw-r--r--drivers/bcma/driver_chipcommon.c10
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 */
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