linux-kernel - [PATCH 7/9] mfd: mt6360: Remove handle_post

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Message-Id: <1596558782-3415-9-git-send-email-gene.chen.richtek@gmail.com>
Date:   Wed,  5 Aug 2020 00:33:00 +0800
From:   Gene Chen <gene.chen.richtek@...il.com>
To:     lee.jones@...aro.org, matthias.bgg@...il.com, rafael@...nel.org
Cc:     broonie@...nel.org, gregkh@...uxfoundation.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        gene_chen@...htek.com, benjamin.chao@...iatek.com,
        shufan_lee@...htek.com, cy_huang@...htek.com
Subject: [PATCH 7/9] mfd: mt6360: Remove handle_post_irq callback function

From: Gene Chen <gene_chen@...htek.com>

Remove handle_post_irq which is used to retrigger IRQ.
Set IRQ level low trigger in dtsi to keep IRQ always be handled.

Signed-off-by: Gene Chen <gene_chen@...htek.com>
Acked-for-MFD-by: Lee Jones <lee.jones@...aro.org>
---
 drivers/mfd/mt6360-core.c  | 17 ++++-------------
 include/linux/mfd/mt6360.h |  2 +-
 2 files changed, 5 insertions(+), 14 deletions(-)

diff --git a/drivers/mfd/mt6360-core.c b/drivers/mfd/mt6360-core.c
index f75122b..2356d99 100644
--- a/drivers/mfd/mt6360-core.c
+++ b/drivers/mfd/mt6360-core.c
@@ -208,15 +208,8 @@ static const struct regmap_irq mt6360_irqs[] =  {
 	REGMAP_IRQ_REG_LINE(MT6360_LDO7_PGB_EVT, 8),
 };
 
-static int mt6360_pmu_handle_post_irq(void *irq_drv_data)
-{
-	struct mt6360_ddata *ddata = irq_drv_data;
-
-	return regmap_update_bits(ddata->regmap,
-		MT6360_PMU_IRQ_SET, MT6360_IRQ_RETRIG, MT6360_IRQ_RETRIG);
-}
-
-static struct regmap_irq_chip mt6360_irq_chip = {
+static const struct regmap_irq_chip mt6360_irq_chip = {
+	.name = "mt6360_irqs",
 	.irqs = mt6360_irqs,
 	.num_irqs = ARRAY_SIZE(mt6360_irqs),
 	.num_regs = MT6360_PMU_IRQ_REGNUM,
@@ -225,7 +218,6 @@ static struct regmap_irq_chip mt6360_irq_chip = {
 	.ack_base = MT6360_PMU_CHG_IRQ1,
 	.init_ack_masked = true,
 	.use_ack = true,
-	.handle_post_irq = mt6360_pmu_handle_post_irq,
 };
 
 static const struct regmap_config mt6360_pmu_regmap_config = {
@@ -339,10 +331,9 @@ static int mt6360_probe(struct i2c_client *client)
 		return -ENODEV;
 	}
 
-	mt6360_irq_chip.irq_drv_data = ddata;
 	ret = devm_regmap_add_irq_chip(&client->dev, ddata->regmap, client->irq,
-				       IRQF_TRIGGER_FALLING, 0,
-				       &mt6360_irq_chip, &ddata->irq_data);
+				       0, 0, &mt6360_irq_chip,
+				       &ddata->irq_data);
 	if (ret) {
 		dev_err(&client->dev, "Failed to add Regmap IRQ Chip\n");
 		return ret;
diff --git a/include/linux/mfd/mt6360.h b/include/linux/mfd/mt6360.h
index fbe106c..da0fb5c 100644
--- a/include/linux/mfd/mt6360.h
+++ b/include/linux/mfd/mt6360.h
@@ -230,7 +230,7 @@ struct mt6360_data {
 #define MT6360_PMU_MAXREG			MT6360_PMU_LDO_MASK2
 
 /* MT6360_PMU_IRQ_SET */
-#define MT6360_PMU_IRQ_REGNUM	(MT6360_PMU_LDO_IRQ2 - MT6360_PMU_CHG_IRQ1 + 1)
+#define MT6360_PMU_IRQ_REGNUM	16
 #define MT6360_IRQ_RETRIG	BIT(2)
 
 #define CHIP_VEN_MASK				0xF0
-- 
2.7.4