linux-kernel - [PATCH v1 12/20] soc: mediatek: mtk-svs: Commonize MT8192 probe function for MT8186

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Date:   Fri, 17 Nov 2023 10:42:20 +0100
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     matthias.bgg@...il.com
Cc:     krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        robh+dt@...nel.org, angelogioacchino.delregno@...labora.com,
        p.zabel@...gutronix.de, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, kernel@...labora.com,
        wenst@...omium.org
Subject: [PATCH v1 12/20] soc: mediatek: mtk-svs: Commonize MT8192 probe function for MT8186

Include the additions of svs_mt8186_platform_probe() in the common
svs_mt8192_platform_probe() function, remove the former, and use the
latter as .probe() callback for MT8186.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
 drivers/soc/mediatek/mtk-svs.c | 44 ++++++----------------------------
 1 file changed, 7 insertions(+), 37 deletions(-)

diff --git a/drivers/soc/mediatek/mtk-svs.c b/drivers/soc/mediatek/mtk-svs.c
index e7df3a577b4c..cd5064683506 100644
--- a/drivers/soc/mediatek/mtk-svs.c
+++ b/drivers/soc/mediatek/mtk-svs.c
@@ -2119,7 +2119,6 @@ static struct device *svs_add_device_link(struct svs_platform *svsp,
 static int svs_mt8192_platform_probe(struct svs_platform *svsp)
 {
 	struct device *dev;
-	struct svs_bank *svsb;
 	u32 idx;
 
 	svsp->rst = devm_reset_control_get_optional(svsp->dev, "svs_rst");
@@ -2133,40 +2132,7 @@ static int svs_mt8192_platform_probe(struct svs_platform *svsp)
 				     "failed to get lvts device\n");
 
 	for (idx = 0; idx < svsp->bank_max; idx++) {
-		svsb = &svsp->banks[idx];
-
-		if (svsb->type == SVSB_TYPE_HIGH)
-			svsb->opp_dev = svs_add_device_link(svsp, "gpu");
-		else if (svsb->type == SVSB_TYPE_LOW)
-			svsb->opp_dev = svs_get_subsys_device(svsp, "gpu");
-
-		if (IS_ERR(svsb->opp_dev))
-			return dev_err_probe(svsp->dev, PTR_ERR(svsb->opp_dev),
-					     "failed to get OPP device for bank %d\n",
-					     idx);
-	}
-
-	return 0;
-}
-
-static int svs_mt8186_platform_probe(struct svs_platform *svsp)
-{
-	struct device *dev;
-	struct svs_bank *svsb;
-	u32 idx;
-
-	svsp->rst = devm_reset_control_get_optional(svsp->dev, "svs_rst");
-	if (IS_ERR(svsp->rst))
-		return dev_err_probe(svsp->dev, PTR_ERR(svsp->rst),
-				     "cannot get svs reset control\n");
-
-	dev = svs_add_device_link(svsp, "thermal-sensor");
-	if (IS_ERR(dev))
-		return dev_err_probe(svsp->dev, PTR_ERR(dev),
-				     "failed to get lvts device\n");
-
-	for (idx = 0; idx < svsp->bank_max; idx++) {
-		svsb = &svsp->banks[idx];
+		struct svs_bank *svsb = &svsp->banks[idx];
 
 		switch (svsb->sw_id) {
 		case SVSB_SWID_CPU_LITTLE:
@@ -2177,7 +2143,11 @@ static int svs_mt8186_platform_probe(struct svs_platform *svsp)
 			svsb->opp_dev = svs_add_device_link(svsp, "cci");
 			break;
 		case SVSB_SWID_GPU:
-			svsb->opp_dev = svs_add_device_link(svsp, "gpu");
+			if (svsb->type == SVSB_TYPE_LOW)
+				svsb->opp_dev = svs_get_subsys_device(svsp, "gpu");
+			else
+				svsb->opp_dev = svs_add_device_link(svsp, "gpu");
+			break;
 			break;
 		default:
 			dev_err(svsb->dev, "unknown sw_id: %u\n", svsb->sw_id);
@@ -2739,7 +2709,7 @@ static const struct svs_platform_data svs_mt8186_platform_data = {
 	.name = "mt8186-svs",
 	.banks = svs_mt8186_banks,
 	.efuse_parsing = svs_common_parse_efuse,
-	.probe = svs_mt8186_platform_probe,
+	.probe = svs_mt8192_platform_probe,
 	.regs = svs_regs_v2,
 	.bank_max = ARRAY_SIZE(svs_mt8186_banks),
 	.ts_coeff = SVSB_TS_COEFF_MT8186,
-- 
2.42.0