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UPSTREAM: soc: rockchip: power-domain: make idle handling optional

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Not all new socs need to handle idle states on domain state changes,
so add the possibility to make them optional.

Change-Id: I46d869e1de9e03ec0664518effbcf2642053391e
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
(cherry picked from git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git
 v4.7-armsoc/drivers commit 6aa841c809)
This commit is contained in:
Elaine Zhang
2016-03-10 05:22:53 +08:00
committed by Gerrit Code Review
parent 5902aa2197
commit 3ea83abf50
1 changed files with 6 additions and 3 deletions
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9
drivers/soc/rockchip/pm_domains.c
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@@ -69,9 +69,9 @@ 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) \
@@ -97,6 +97,9 @@ 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);