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Subject[PATCH 3/4] mfd: arizona: Avoid use of legacy IRQ mapping
Date
regmap_add_irq_chip is called from arizona_irq_init with the irq_base
specified as -1 and regmap_add_irq_chip uses if (irq_base) to check if
it should use legacy IRQ mapping. As such the irq mappings are currently
added with irq_domain_add_legacy, rather than irq_domain_add_linear.
This is clearly a typo as there is no reason why this driver can't use
irq_domain_add_linear.

This patch corrects this by passing the irq_base as zero to
regmap_add_irq_chip.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
---
drivers/mfd/arizona-irq.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mfd/arizona-irq.c b/drivers/mfd/arizona-irq.c
index fac00b2..b235e59 100644
--- a/drivers/mfd/arizona-irq.c
+++ b/drivers/mfd/arizona-irq.c
@@ -289,7 +289,7 @@ int arizona_irq_init(struct arizona *arizona)

ret = regmap_add_irq_chip(arizona->regmap,
irq_create_mapping(arizona->virq, 0),
- IRQF_ONESHOT, -1, aod,
+ IRQF_ONESHOT, 0, aod,
&arizona->aod_irq_chip);
if (ret != 0) {
dev_err(arizona->dev, "Failed to add AOD IRQs: %d\n", ret);
@@ -298,7 +298,7 @@ int arizona_irq_init(struct arizona *arizona)

ret = regmap_add_irq_chip(arizona->regmap,
irq_create_mapping(arizona->virq, 1),
- IRQF_ONESHOT, -1, irq,
+ IRQF_ONESHOT, 0, irq,
&arizona->irq_chip);
if (ret != 0) {
dev_err(arizona->dev, "Failed to add main IRQs: %d\n", ret);
--
1.7.2.5


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