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        <nfraprado@collabora.com>
To:     Matthias Brugger <matthias.bgg@gmail.com>
Cc:     khilman@baylibre.com,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>, roger.lu@mediatek.com,
        =?UTF-8?q?N=C3=ADcolas=20F=20=2E=20R=20=2E=20A=20=2E=20Prado?= 
        <nfraprado@collabora.com>, linux-arm-kernel@lists.infradead.org,
        linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org
Subject: [PATCH v2 1/2] soc: mediatek: mtk-svs: Commonize t-calibration-data fuse array read
Date:   Thu, 25 Aug 2022 14:46:15 -0400
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From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

Commonize the repeating pattern for reading the "t-calibration-data"
efuse data in a new function svs_thermal_efuse_get_data(), reducing
the size of this driver.

No functional changes.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>

---

Changes in v2:
- Rebased and dropped mt8195 and mt8186 hunks, as they're not merged yet

 drivers/soc/mediatek/mtk-svs.c | 69 ++++++++++++++++------------------
 1 file changed, 32 insertions(+), 37 deletions(-)

diff --git a/drivers/soc/mediatek/mtk-svs.c b/drivers/soc/mediatek/mtk-svs.c
index d96b9d3f3a83..63253e22abdd 100644
--- a/drivers/soc/mediatek/mtk-svs.c
+++ b/drivers/soc/mediatek/mtk-svs.c
@@ -1641,11 +1641,36 @@ static int svs_bank_resource_setup(struct svs_platform *svsp)
 	return 0;
 }
 
+static int svs_thermal_efuse_get_data(struct svs_platform *svsp)
+{
+	struct nvmem_cell *cell;
+
+	/* Thermal efuse parsing */
+	cell = nvmem_cell_get(svsp->dev, "t-calibration-data");
+	if (IS_ERR_OR_NULL(cell)) {
+		dev_err(svsp->dev, "no \"t-calibration-data\"? %ld\n", PTR_ERR(cell));
+		return PTR_ERR(cell);
+	}
+
+	svsp->tefuse = nvmem_cell_read(cell, &svsp->tefuse_max);
+	if (IS_ERR(svsp->tefuse)) {
+		dev_err(svsp->dev, "cannot read thermal efuse: %ld\n",
+			PTR_ERR(svsp->tefuse));
+		nvmem_cell_put(cell);
+		return PTR_ERR(svsp->tefuse);
+	}
+
+	svsp->tefuse_max /= sizeof(u32);
+	nvmem_cell_put(cell);
+
+	return 0;
+}
+
 static bool svs_mt8192_efuse_parsing(struct svs_platform *svsp)
 {
 	struct svs_bank *svsb;
-	struct nvmem_cell *cell;
 	u32 idx, i, vmin, golden_temp;
+	int ret;
 
 	for (i = 0; i < svsp->efuse_max; i++)
 		if (svsp->efuse[i])
@@ -1683,24 +1708,9 @@ static bool svs_mt8192_efuse_parsing(struct svs_platform *svsp)
 		svsb->vmax += svsb->dvt_fixed;
 	}
 
-	/* Thermal efuse parsing */
-	cell = nvmem_cell_get(svsp->dev, "t-calibration-data");
-	if (IS_ERR_OR_NULL(cell)) {
-		dev_err(svsp->dev, "no \"t-calibration-data\"? %ld\n",
-			PTR_ERR(cell));
-		return false;
-	}
-
-	svsp->tefuse = nvmem_cell_read(cell, &svsp->tefuse_max);
-	if (IS_ERR(svsp->tefuse)) {
-		dev_err(svsp->dev, "cannot read thermal efuse: %ld\n",
-			PTR_ERR(svsp->tefuse));
-		nvmem_cell_put(cell);
+	ret = svs_thermal_efuse_get_data(svsp);
+	if (ret)
 		return false;
-	}
-
-	svsp->tefuse_max /= sizeof(u32);
-	nvmem_cell_put(cell);
 
 	for (i = 0; i < svsp->tefuse_max; i++)
 		if (svsp->tefuse[i] != 0)
@@ -1723,11 +1733,11 @@ static bool svs_mt8192_efuse_parsing(struct svs_platform *svsp)
 static bool svs_mt8183_efuse_parsing(struct svs_platform *svsp)
 {
 	struct svs_bank *svsb;
-	struct nvmem_cell *cell;
 	int format[6], x_roomt[6], o_vtsmcu[5], o_vtsabb, tb_roomt = 0;
 	int adc_ge_t, adc_oe_t, ge, oe, gain, degc_cali, adc_cali_en_t;
 	int o_slope, o_slope_sign, ts_id;
 	u32 idx, i, ft_pgm, mts, temp0, temp1, temp2;
+	int ret;
 
 	for (i = 0; i < svsp->efuse_max; i++)
 		if (svsp->efuse[i])
@@ -1803,24 +1813,9 @@ static bool svs_mt8183_efuse_parsing(struct svs_platform *svsp)
 		}
 	}
 
-	/* Get thermal efuse by nvmem */
-	cell = nvmem_cell_get(svsp->dev, "t-calibration-data");
-	if (IS_ERR(cell)) {
-		dev_err(svsp->dev, "no \"t-calibration-data\"? %ld\n",
-			PTR_ERR(cell));
-		goto remove_mt8183_svsb_mon_mode;
-	}
-
-	svsp->tefuse = nvmem_cell_read(cell, &svsp->tefuse_max);
-	if (IS_ERR(svsp->tefuse)) {
-		dev_err(svsp->dev, "cannot read thermal efuse: %ld\n",
-			PTR_ERR(svsp->tefuse));
-		nvmem_cell_put(cell);
-		goto remove_mt8183_svsb_mon_mode;
-	}
-
-	svsp->tefuse_max /= sizeof(u32);
-	nvmem_cell_put(cell);
+	ret = svs_thermal_efuse_get_data(svsp);
+	if (ret)
+		return false;
 
 	/* Thermal efuse parsing */
 	adc_ge_t = (svsp->tefuse[1] >> 22) & GENMASK(9, 0);
-- 
2.37.2