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authorElaine Zhang <zhangqing@rock-chips.com>2016-03-10 00:22:53 +0300
committerHeiko Stuebner <heiko@sntech.de>2016-03-28 13:03:29 +0300
commit6aa841c8097fee1b17b343719c45694e3166ca34 (patch)
treeeebd28236f9ec5d9ce05bd66e308cb261024856d /drivers/soc/rockchip/pm_domains.c
parentf55532a0c0b8bb6148f4e07853b876ef73bc69ca (diff)
downloadlinux-6aa841c8097fee1b17b343719c45694e3166ca34.tar.xz
soc: rockchip: power-domain: make idle handling optional
Not all new socs need to handle idle states on domain state changes, so add the possibility to make them optional. Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Diffstat (limited to 'drivers/soc/rockchip/pm_domains.c')
-rw-r--r--drivers/soc/rockchip/pm_domains.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/soc/rockchip/pm_domains.c b/drivers/soc/rockchip/pm_domains.c
index 43155e1f97b9..7ae7d84e6776 100644
--- a/drivers/soc/rockchip/pm_domains.c
+++ b/drivers/soc/rockchip/pm_domains.c
@@ -68,9 +68,9 @@ struct rockchip_pmu {
{ \
.pwr_mask = BIT(pwr), \
.status_mask = BIT(status), \
- .req_mask = BIT(req), \
- .idle_mask = BIT(idle), \
- .ack_mask = BIT(ack), \
+ .req_mask = (req >= 0) ? BIT(req) : 0, \
+ .idle_mask = (idle >= 0) ? BIT(idle) : 0, \
+ .ack_mask = (ack >= 0) ? BIT(ack) : 0, \
}
#define DOMAIN_RK3288(pwr, status, req) \
@@ -96,6 +96,9 @@ static int rockchip_pmu_set_idle_request(struct rockchip_pm_domain *pd,
struct rockchip_pmu *pmu = pd->pmu;
unsigned int val;
+ if (pd_info->req_mask == 0)
+ return 0;
+
regmap_update_bits(pmu->regmap, pmu->info->req_offset,
pd_info->req_mask, idle ? -1U : 0);