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Subject[PATCH v2 3/9] clk: qcom: gdsc: Add configurable poll timeout
Date
Depending on the platform, the poll timeout delay might be different,
so allow the platform specific drivers to specify their own values.

Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
---

Changes since v1:
* Added Konrad's R-b tag

drivers/clk/qcom/gdsc.c | 5 ++++-
drivers/clk/qcom/gdsc.h | 1 +
2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/qcom/gdsc.c b/drivers/clk/qcom/gdsc.c
index 0f21a8a767ac..3753f3ef7241 100644
--- a/drivers/clk/qcom/gdsc.c
+++ b/drivers/clk/qcom/gdsc.c
@@ -107,7 +107,7 @@ static int gdsc_poll_status(struct gdsc *sc, enum gdsc_status status)
do {
if (gdsc_check_status(sc, status))
return 0;
- } while (ktime_us_delta(ktime_get(), start) < TIMEOUT_US);
+ } while (ktime_us_delta(ktime_get(), start) < sc->poll_timeout);

if (gdsc_check_status(sc, status))
return 0;
@@ -454,6 +454,9 @@ static int gdsc_init(struct gdsc *sc)
if (ret)
goto err_disable_supply;

+ if (!sc->poll_timeout)
+ sc->poll_timeout = 500;
+
return 0;

err_disable_supply:
diff --git a/drivers/clk/qcom/gdsc.h b/drivers/clk/qcom/gdsc.h
index 803512688336..9a1e1fb3d12f 100644
--- a/drivers/clk/qcom/gdsc.h
+++ b/drivers/clk/qcom/gdsc.h
@@ -36,6 +36,7 @@ struct gdsc {
struct generic_pm_domain *parent;
struct regmap *regmap;
unsigned int gdscr;
+ unsigned int poll_timeout;
unsigned int collapse_ctrl;
unsigned int collapse_mask;
unsigned int gds_hw_ctrl;
--
2.34.1
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