2022-08-18 04:21:40

by Akhil P Oommen

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Subject: [PATCH v2 4/5] clk: qcom: gpucc-sc7280: Add cx collapse reset support

Allow a consumer driver to poll for cx gdsc collapse through Reset
framework.

Signed-off-by: Akhil P Oommen <[email protected]>
---

Changes in v2:
- Minor update to use the updated custom reset ops implementation

drivers/clk/qcom/gpucc-sc7280.c | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/drivers/clk/qcom/gpucc-sc7280.c b/drivers/clk/qcom/gpucc-sc7280.c
index 9a832f2..d4bc791 100644
--- a/drivers/clk/qcom/gpucc-sc7280.c
+++ b/drivers/clk/qcom/gpucc-sc7280.c
@@ -433,12 +433,22 @@ static const struct regmap_config gpu_cc_sc7280_regmap_config = {
.fast_io = true,
};

+struct qcom_reset_ops cx_gdsc_reset = {
+ .reset = gdsc_wait_for_collapse,
+};
+
+static const struct qcom_reset_map gpucc_sc7280_resets[] = {
+ [GPU_CX_COLLAPSE] = { .ops = &cx_gdsc_reset, .priv = &cx_gdsc },
+};
+
static const struct qcom_cc_desc gpu_cc_sc7280_desc = {
.config = &gpu_cc_sc7280_regmap_config,
.clks = gpu_cc_sc7280_clocks,
.num_clks = ARRAY_SIZE(gpu_cc_sc7280_clocks),
.gdscs = gpu_cc_sc7180_gdscs,
.num_gdscs = ARRAY_SIZE(gpu_cc_sc7180_gdscs),
+ .resets = gpucc_sc7280_resets,
+ .num_resets = ARRAY_SIZE(gpucc_sc7280_resets),
};

static const struct of_device_id gpu_cc_sc7280_match_table[] = {
--
2.7.4


2022-08-18 07:21:13

by Krzysztof Kozlowski

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Subject: Re: [PATCH v2 4/5] clk: qcom: gpucc-sc7280: Add cx collapse reset support

On 17/08/2022 17:57, Akhil P Oommen wrote:
> Allow a consumer driver to poll for cx gdsc collapse through Reset
> framework.
>
> Signed-off-by: Akhil P Oommen <[email protected]>
> ---
>
> Changes in v2:
> - Minor update to use the updated custom reset ops implementation
>
> drivers/clk/qcom/gpucc-sc7280.c | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/drivers/clk/qcom/gpucc-sc7280.c b/drivers/clk/qcom/gpucc-sc7280.c
> index 9a832f2..d4bc791 100644
> --- a/drivers/clk/qcom/gpucc-sc7280.c
> +++ b/drivers/clk/qcom/gpucc-sc7280.c
> @@ -433,12 +433,22 @@ static const struct regmap_config gpu_cc_sc7280_regmap_config = {
> .fast_io = true,
> };
>
> +struct qcom_reset_ops cx_gdsc_reset = {

static const

Best regards,
Krzysztof