Merge tag 'regmap-irq-ack-mask' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap (a849212f) · Commits · 戴 / test

drivers/base/regmap/regmap-irq.c

+25 −0

Original line number	Diff line number	Diff line
		@@ -418,6 +418,31 @@ int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags,
		reg, ret);
		goto err_alloc;
		}

		if (!chip->init_ack_masked)
		continue;

		/* Ack masked but set interrupts */
		reg = chip->status_base +
		(i * map->reg_stride * d->irq_reg_stride);
		ret = regmap_read(map, reg, &d->status_buf[i]);
		if (ret != 0) {
		dev_err(map->dev, "Failed to read IRQ status: %d\n",
		ret);
		goto err_alloc;
		}

		if (d->status_buf[i] && chip->ack_base) {
		reg = chip->ack_base +
		(i * map->reg_stride * d->irq_reg_stride);
		ret = regmap_write(map, reg,
		d->status_buf[i] & d->mask_buf[i]);
		if (ret != 0) {
		dev_err(map->dev, "Failed to ack 0x%x: %d\n",
		reg, ret);
		goto err_alloc;
		}
		}
		}

		/* Wake is disabled by default */

+7 −3

Original line number	Diff line number	Diff line
		@@ -470,6 +470,9 @@ struct regmap_irq {
		* @ack_base: Base ack address. If zero then the chip is clear on read.
		* @wake_base: Base address for wake enables. If zero unsupported.
		* @irq_reg_stride: Stride to use for chips where registers are not contiguous.
		* @init_ack_masked: Ack all masked interrupts once during initalization.
		* @mask_invert: Inverted mask register: cleared bits are masked out.
		* @wake_invert: Inverted wake register: cleared bits are wake enabled.
		* @runtime_pm: Hold a runtime PM lock on the device when accessing it.
		*
		* @num_regs: Number of registers in each control bank.
		@@ -485,9 +488,10 @@ struct regmap_irq_chip {
		unsigned int ack_base;
		unsigned int wake_base;
		unsigned int irq_reg_stride;
		unsigned int mask_invert;
		unsigned int wake_invert;
		bool runtime_pm;
		bool init_ack_masked:1;
		bool mask_invert:1;
		bool wake_invert:1;
		bool runtime_pm:1;

		int num_regs;