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From: Gene Chen <gene.chen.richtek@gmail.com>
To: sre@kernel.org, matthias.bgg@gmail.com, robh+dt@kernel.org
Cc: linux-pm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org,
	gene_chen@richtek.com, Wilma.Wu@mediatek.com,
	shufan_lee@richtek.com, cy_huang@richtek.com,
	benjamin.chao@mediatek.com
Subject: [PATCH v6 08/11] mfd: mt6360: Fix flow which is used to check ic exist
Date: Fri,  6 Nov 2020 17:53:49 +0800	[thread overview]
Message-ID: <1604656432-10215-9-git-send-email-gene.chen.richtek@gmail.com> (raw)
In-Reply-To: <1604656432-10215-1-git-send-email-gene.chen.richtek@gmail.com>

From: Gene Chen <gene_chen@richtek.com>

Fix flow which is used to check ic exist.

Signed-off-by: Gene Chen <gene_chen@richtek.com>
Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
---
 drivers/mfd/mt6360-core.c | 32 +++++++++++++++++++++-----------
 1 file changed, 21 insertions(+), 11 deletions(-)

diff --git a/drivers/mfd/mt6360-core.c b/drivers/mfd/mt6360-core.c
index 2356d99..de002fe 100644
--- a/drivers/mfd/mt6360-core.c
+++ b/drivers/mfd/mt6360-core.c
@@ -293,6 +293,25 @@ static const struct mfd_cell mt6360_devs[] = {
 		    NULL, 0, 0, "mediatek,mt6360-tcpc"),
 };
 
+static int mt6360_check_vendor_info(struct mt6360_ddata *ddata)
+{
+	u32 info;
+	int ret;
+
+	ret = regmap_read(ddata->regmap, MT6360_PMU_DEV_INFO, &info);
+	if (ret < 0)
+		return ret;
+
+	if ((info & CHIP_VEN_MASK) != CHIP_VEN_MT6360) {
+		dev_err(ddata->dev, "Device not supported\n");
+		return -ENODEV;
+	}
+
+	ddata->chip_rev = info & CHIP_REV_MASK;
+
+	return 0;
+}
+
 static const unsigned short mt6360_slave_addr[MT6360_SLAVE_MAX] = {
 	MT6360_PMU_SLAVEID,
 	MT6360_PMIC_SLAVEID,
@@ -303,7 +322,6 @@ static const unsigned short mt6360_slave_addr[MT6360_SLAVE_MAX] = {
 static int mt6360_probe(struct i2c_client *client)
 {
 	struct mt6360_ddata *ddata;
-	unsigned int reg_data;
 	int i, ret;
 
 	ddata = devm_kzalloc(&client->dev, sizeof(*ddata), GFP_KERNEL);
@@ -319,17 +337,9 @@ static int mt6360_probe(struct i2c_client *client)
 		return PTR_ERR(ddata->regmap);
 	}
 
-	ret = regmap_read(ddata->regmap, MT6360_PMU_DEV_INFO, &reg_data);
-	if (ret) {
-		dev_err(&client->dev, "Device not found\n");
+	ret = mt6360_check_vendor_info(ddata);
+	if (ret)
 		return ret;
-	}
-
-	ddata->chip_rev = reg_data & CHIP_REV_MASK;
-	if (ddata->chip_rev != CHIP_VEN_MT6360) {
-		dev_err(&client->dev, "Device not supported\n");
-		return -ENODEV;
-	}
 
 	ret = devm_regmap_add_irq_chip(&client->dev, ddata->regmap, client->irq,
 				       0, 0, &mt6360_irq_chip,
-- 
2.7.4


WARNING: multiple messages have this Message-ID (diff)
From: Gene Chen <gene.chen.richtek@gmail.com>
To: sre@kernel.org, matthias.bgg@gmail.com, robh+dt@kernel.org
Cc: gene_chen@richtek.com, devicetree@vger.kernel.org,
	linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org,
	cy_huang@richtek.com, benjamin.chao@mediatek.com,
	linux-mediatek@lists.infradead.org, Wilma.Wu@mediatek.com,
	linux-arm-kernel@lists.infradead.org, shufan_lee@richtek.com
Subject: [PATCH v6 08/11] mfd: mt6360: Fix flow which is used to check ic exist
Date: Fri,  6 Nov 2020 17:53:49 +0800	[thread overview]
Message-ID: <1604656432-10215-9-git-send-email-gene.chen.richtek@gmail.com> (raw)
In-Reply-To: <1604656432-10215-1-git-send-email-gene.chen.richtek@gmail.com>

From: Gene Chen <gene_chen@richtek.com>

Fix flow which is used to check ic exist.

Signed-off-by: Gene Chen <gene_chen@richtek.com>
Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
---
 drivers/mfd/mt6360-core.c | 32 +++++++++++++++++++++-----------
 1 file changed, 21 insertions(+), 11 deletions(-)

diff --git a/drivers/mfd/mt6360-core.c b/drivers/mfd/mt6360-core.c
index 2356d99..de002fe 100644
--- a/drivers/mfd/mt6360-core.c
+++ b/drivers/mfd/mt6360-core.c
@@ -293,6 +293,25 @@ static const struct mfd_cell mt6360_devs[] = {
 		    NULL, 0, 0, "mediatek,mt6360-tcpc"),
 };
 
+static int mt6360_check_vendor_info(struct mt6360_ddata *ddata)
+{
+	u32 info;
+	int ret;
+
+	ret = regmap_read(ddata->regmap, MT6360_PMU_DEV_INFO, &info);
+	if (ret < 0)
+		return ret;
+
+	if ((info & CHIP_VEN_MASK) != CHIP_VEN_MT6360) {
+		dev_err(ddata->dev, "Device not supported\n");
+		return -ENODEV;
+	}
+
+	ddata->chip_rev = info & CHIP_REV_MASK;
+
+	return 0;
+}
+
 static const unsigned short mt6360_slave_addr[MT6360_SLAVE_MAX] = {
 	MT6360_PMU_SLAVEID,
 	MT6360_PMIC_SLAVEID,
@@ -303,7 +322,6 @@ static const unsigned short mt6360_slave_addr[MT6360_SLAVE_MAX] = {
 static int mt6360_probe(struct i2c_client *client)
 {
 	struct mt6360_ddata *ddata;
-	unsigned int reg_data;
 	int i, ret;
 
 	ddata = devm_kzalloc(&client->dev, sizeof(*ddata), GFP_KERNEL);
@@ -319,17 +337,9 @@ static int mt6360_probe(struct i2c_client *client)
 		return PTR_ERR(ddata->regmap);
 	}
 
-	ret = regmap_read(ddata->regmap, MT6360_PMU_DEV_INFO, &reg_data);
-	if (ret) {
-		dev_err(&client->dev, "Device not found\n");
+	ret = mt6360_check_vendor_info(ddata);
+	if (ret)
 		return ret;
-	}
-
-	ddata->chip_rev = reg_data & CHIP_REV_MASK;
-	if (ddata->chip_rev != CHIP_VEN_MT6360) {
-		dev_err(&client->dev, "Device not supported\n");
-		return -ENODEV;
-	}
 
 	ret = devm_regmap_add_irq_chip(&client->dev, ddata->regmap, client->irq,
 				       0, 0, &mt6360_irq_chip,
-- 
2.7.4


_______________________________________________
Linux-mediatek mailing list
Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek

WARNING: multiple messages have this Message-ID (diff)
From: Gene Chen <gene.chen.richtek@gmail.com>
To: sre@kernel.org, matthias.bgg@gmail.com, robh+dt@kernel.org
Cc: gene_chen@richtek.com, devicetree@vger.kernel.org,
	linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org,
	cy_huang@richtek.com, benjamin.chao@mediatek.com,
	linux-mediatek@lists.infradead.org, Wilma.Wu@mediatek.com,
	linux-arm-kernel@lists.infradead.org, shufan_lee@richtek.com
Subject: [PATCH v6 08/11] mfd: mt6360: Fix flow which is used to check ic exist
Date: Fri,  6 Nov 2020 17:53:49 +0800	[thread overview]
Message-ID: <1604656432-10215-9-git-send-email-gene.chen.richtek@gmail.com> (raw)
In-Reply-To: <1604656432-10215-1-git-send-email-gene.chen.richtek@gmail.com>

From: Gene Chen <gene_chen@richtek.com>

Fix flow which is used to check ic exist.

Signed-off-by: Gene Chen <gene_chen@richtek.com>
Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
---
 drivers/mfd/mt6360-core.c | 32 +++++++++++++++++++++-----------
 1 file changed, 21 insertions(+), 11 deletions(-)

diff --git a/drivers/mfd/mt6360-core.c b/drivers/mfd/mt6360-core.c
index 2356d99..de002fe 100644
--- a/drivers/mfd/mt6360-core.c
+++ b/drivers/mfd/mt6360-core.c
@@ -293,6 +293,25 @@ static const struct mfd_cell mt6360_devs[] = {
 		    NULL, 0, 0, "mediatek,mt6360-tcpc"),
 };
 
+static int mt6360_check_vendor_info(struct mt6360_ddata *ddata)
+{
+	u32 info;
+	int ret;
+
+	ret = regmap_read(ddata->regmap, MT6360_PMU_DEV_INFO, &info);
+	if (ret < 0)
+		return ret;
+
+	if ((info & CHIP_VEN_MASK) != CHIP_VEN_MT6360) {
+		dev_err(ddata->dev, "Device not supported\n");
+		return -ENODEV;
+	}
+
+	ddata->chip_rev = info & CHIP_REV_MASK;
+
+	return 0;
+}
+
 static const unsigned short mt6360_slave_addr[MT6360_SLAVE_MAX] = {
 	MT6360_PMU_SLAVEID,
 	MT6360_PMIC_SLAVEID,
@@ -303,7 +322,6 @@ static const unsigned short mt6360_slave_addr[MT6360_SLAVE_MAX] = {
 static int mt6360_probe(struct i2c_client *client)
 {
 	struct mt6360_ddata *ddata;
-	unsigned int reg_data;
 	int i, ret;
 
 	ddata = devm_kzalloc(&client->dev, sizeof(*ddata), GFP_KERNEL);
@@ -319,17 +337,9 @@ static int mt6360_probe(struct i2c_client *client)
 		return PTR_ERR(ddata->regmap);
 	}
 
-	ret = regmap_read(ddata->regmap, MT6360_PMU_DEV_INFO, &reg_data);
-	if (ret) {
-		dev_err(&client->dev, "Device not found\n");
+	ret = mt6360_check_vendor_info(ddata);
+	if (ret)
 		return ret;
-	}
-
-	ddata->chip_rev = reg_data & CHIP_REV_MASK;
-	if (ddata->chip_rev != CHIP_VEN_MT6360) {
-		dev_err(&client->dev, "Device not supported\n");
-		return -ENODEV;
-	}
 
 	ret = devm_regmap_add_irq_chip(&client->dev, ddata->regmap, client->irq,
 				       0, 0, &mt6360_irq_chip,
-- 
2.7.4


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2020-11-06 10:26 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-06  9:53 [PATCH v6 0/11] mfd: mt6360: Merge different sub-devices I2C read/write Gene Chen
2020-11-06  9:53 ` Gene Chen
2020-11-06  9:53 ` Gene Chen
2020-11-06  9:53 ` [PATCH v6 01/11] mfd: mt6360: Rearrange include file Gene Chen
2020-11-06  9:53   ` Gene Chen
2020-11-06  9:53   ` Gene Chen
2020-11-06  9:53 ` [PATCH v6 02/11] mfd: mt6360: Remove redundant brackets around raw numbers Gene Chen
2020-11-06  9:53   ` Gene Chen
2020-11-06  9:53   ` Gene Chen
2020-11-06  9:53 ` [PATCH v6 03/11] mfd: mt6360: Indicate sub-dev compatible name by using "-" Gene Chen
2020-11-06  9:53   ` Gene Chen
2020-11-06  9:53   ` Gene Chen
2020-11-06  9:53 ` [PATCH v6 04/11] mfd: mt6360: Combine mt6360 pmic/ldo resources into mt6360 regulator resources Gene Chen
2020-11-06  9:53   ` Gene Chen
2020-11-06  9:53   ` Gene Chen
2020-11-06  9:53 ` [PATCH v6 05/11] mfd: mt6360: Rename mt6360_pmu_data by mt6360_ddata Gene Chen
2020-11-06  9:53   ` Gene Chen
2020-11-06  9:53   ` Gene Chen
2020-11-06  9:53 ` [PATCH v6 06/11] mfd: mt6360: Rename mt6360_pmu by mt6360 Gene Chen
2020-11-06  9:53   ` Gene Chen
2020-11-06  9:53   ` Gene Chen
2020-11-06  9:53 ` [PATCH v6 07/11] mfd: mt6360: Remove handle_post_irq callback function Gene Chen
2020-11-06  9:53   ` Gene Chen
2020-11-06  9:53   ` Gene Chen
2020-11-06  9:53 ` Gene Chen [this message]
2020-11-06  9:53   ` [PATCH v6 08/11] mfd: mt6360: Fix flow which is used to check ic exist Gene Chen
2020-11-06  9:53   ` Gene Chen
2020-11-06  9:53 ` [PATCH v6 09/11] mfd: mt6360: Merge header file into driver and remove unuse register define Gene Chen
2020-11-06  9:53   ` Gene Chen
2020-11-06  9:53   ` Gene Chen
2020-11-06  9:53 ` [PATCH v6 10/11] mfd: mt6360: Merge different sub-devices I2C read/write Gene Chen
2020-11-06  9:53   ` Gene Chen
2020-11-06  9:53   ` Gene Chen
2020-11-11 16:45   ` Lee Jones
2020-11-11 16:45     ` Lee Jones
2020-11-11 16:45     ` Lee Jones
2020-11-06  9:53 ` [PATCH v6 11/11] mfd: mt6360: Remove MT6360 regulator of_compatible attribute Gene Chen
2020-11-06  9:53   ` Gene Chen
2020-11-06  9:53   ` Gene Chen
2020-11-11 16:47   ` Lee Jones
2020-11-11 16:47     ` Lee Jones
2020-11-11 16:47     ` Lee Jones

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