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Commit bbae92ca authored by Mark Brown's avatar Mark Brown
Browse files

regmap: irq: Factor register read out of the IRQ parsing loop 



In preparation for adding back support for block reads.

Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 55ac85e9

drivers/base/regmap/regmap-irq.c

+9 −7
Original line number Original line Diff line number Diff line
@@ -170,13 +170,6 @@ static irqreturn_t regmap_irq_thread(int irq, void *d) 
		}

		}

	}

	}





	/*

	 * Ignore masked IRQs and ack if we need to; we ack early so

	 * there is no race between handling and acknowleding the

	 * interrupt.  We assume that typically few of the interrupts

	 * will fire simultaneously so don't worry about overhead from

	 * doing a write per register.

	 */

	for (i = 0; i < data->chip->num_regs; i++) {

	for (i = 0; i < data->chip->num_regs; i++) {

		ret = regmap_read(map, chip->status_base + (i * map->reg_stride

		ret = regmap_read(map, chip->status_base + (i * map->reg_stride

				   * data->irq_reg_stride),

				   * data->irq_reg_stride),
@@ -189,7 +182,16 @@ static irqreturn_t regmap_irq_thread(int irq, void *d) 
				pm_runtime_put(map->dev);

				pm_runtime_put(map->dev);

			return IRQ_NONE;

			return IRQ_NONE;

		}

		}

	}





	/*

	 * Ignore masked IRQs and ack if we need to; we ack early so

	 * there is no race between handling and acknowleding the

	 * interrupt.  We assume that typically few of the interrupts

	 * will fire simultaneously so don't worry about overhead from

	 * doing a write per register.

	 */

	for (i = 0; i < data->chip->num_regs; i++) {

		data->status_buf[i] &= ~data->mask_buf[i];

		data->status_buf[i] &= ~data->mask_buf[i];





		if (data->status_buf[i] && chip->ack_base) {

		if (data->status_buf[i] && chip->ack_base) {