On 22/08/2025 07:53, Dikshita Agarwal wrote: > diff --git a/drivers/media/platform/qcom/iris/iris_vpu3x.c b/drivers/media/platform/qcom/iris/iris_vpu3x.c > index 9b7c9a1495ee2f51c60b1142b2ed4680ff798f0a..bfc52eb04ed0e1c88efe74a8d27bb95e8a0ca331 100644 > --- a/drivers/media/platform/qcom/iris/iris_vpu3x.c > +++ b/drivers/media/platform/qcom/iris/iris_vpu3x.c > @@ -19,6 +19,9 @@ > #define WRAPPER_IRIS_CPU_NOC_LPI_CONTROL (WRAPPER_BASE_OFFS + 0x5C) > #define REQ_POWER_DOWN_PREP BIT(0) > #define WRAPPER_IRIS_CPU_NOC_LPI_STATUS (WRAPPER_BASE_OFFS + 0x60) > +#define NOC_LPI_STATUS_DONE BIT(0) /* Indicates the NOC handshake is complete */ > +#define NOC_LPI_STATUS_DENY BIT(1) /* Indicates the NOC handshake is denied */ > +#define NOC_LPI_STATUS_ACTIVE BIT(2) /* Indicates the NOC is active */ > #define WRAPPER_CORE_CLOCK_CONFIG (WRAPPER_BASE_OFFS + 0x88) > #define CORE_CLK_RUN 0x0 > > @@ -109,7 +112,9 @@ static void iris_vpu3_power_off_hardware(struct iris_core *core) > > static void iris_vpu33_power_off_hardware(struct iris_core *core) > { > + bool handshake_done = false, handshake_busy = false; > u32 reg_val = 0, value, i; > + u32 count = 0; unsigned int, that's not a register but standard kernel counting type. > int ret; > > if (iris_vpu3x_hw_power_collapsed(core)) > @@ -128,13 +133,36 @@ static void iris_vpu33_power_off_hardware(struct iris_core *core) > goto disable_power; > } Best regards, Krzysztof