Re: [PATCH v2 4/5] reset: qcom: Add PDC Global reset signals for WPSS

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Hey Philipp,

Thanks for the review. Will get them
fixed in the next re-spin.

On 2021-04-27 13:28, Philipp Zabel wrote:
Hi Sibi,

On Tue, 2021-04-27 at 13:03 +0530, Sibi Sankar wrote:
Add PDC Global reset signals for Wireless Processor Subsystem (WPSS)
on SC7280 SoCs.

Signed-off-by: Sibi Sankar <sibis@xxxxxxxxxxxxxx>
---

v2:
 * place resets and num_resets adjacent to each other [Stephen]
[...]
+struct qcom_pdc_reset_desc {
+	const struct qcom_pdc_reset_map *resets;
+	size_t num_resets;
+	unsigned int offset;
+};
[...]

For consistency, please do the same here:

+static const struct qcom_pdc_reset_desc sdm845_pdc_reset_desc = {
+	.resets = sdm845_pdc_resets,
+	.offset = RPMH_SDM845_PDC_SYNC_RESET,
+	.num_resets = ARRAY_SIZE(sdm845_pdc_resets),
+};
[...]

and here:

+static const struct qcom_pdc_reset_desc sc7280_pdc_reset_desc = {
+	.resets = sc7280_pdc_resets,
+	.offset = RPMH_SC7280_PDC_SYNC_RESET,
+	.num_resets = ARRAY_SIZE(sc7280_pdc_resets),
+};

[...]
@@ -54,19 +89,18 @@ static int qcom_pdc_control_assert(struct reset_controller_dev *rcdev,
 					unsigned long idx)
 {
 	struct qcom_pdc_reset_data *data = to_qcom_pdc_reset_data(rcdev);
+	const struct qcom_pdc_reset_map *map = &data->desc->resets[idx];

-	return regmap_update_bits(data->regmap, RPMH_PDC_SYNC_RESET,
-				  BIT(sdm845_pdc_resets[idx].bit),
-				  BIT(sdm845_pdc_resets[idx].bit));
+ return regmap_update_bits(data->regmap, data->desc->offset, BIT(map->bit), BIT(map->bit));
 }

Why not go one step further:

	u32 mask = BIT(data->desc->resets[idx].bit);

return regmap_update_bits(data->regmap, data->desc->offset, mask, mask);

That seems to be a common pattern in other qcom drivers.

will send out a separate patch for
the other reset driver.

Either way, with the above reset/num_reset changes:

Reviewed-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>

Also,

Acked-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>

for the whole series to go through the qcom tree, or let me know if you
want me to pick up patches 2-4 next round.

regards
Philipp

--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project.



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