The current design initializes irq->chip from a global irqchip struct,
which causes multiple sgpio devices use the same irq_chip.
The patch moves irq_chip to aspeed_sgpio struct for initializing
irq_chip from their private gpio struct.
Signed-off-by: Steven Lee <steven_lee@xxxxxxxxxxxxxx>
Reviewed-by: Andrew Jeffery <andrew@xxxxxxxx>
---
drivers/gpio/gpio-aspeed-sgpio.c | 17 ++++++++---------
1 file changed, 8 insertions(+), 9 deletions(-)
diff --git a/drivers/gpio/gpio-aspeed-sgpio.c b/drivers/gpio/gpio-aspeed-sgpio.c
index 08696f12ee1c..b53dd1fa5849 100644
--- a/drivers/gpio/gpio-aspeed-sgpio.c
+++ b/drivers/gpio/gpio-aspeed-sgpio.c
@@ -42,6 +42,7 @@ struct aspeed_sgpio_pdata {
struct aspeed_sgpio {
struct gpio_chip chip;
+ struct irq_chip intc;
struct clk *pclk;
spinlock_t lock;
void __iomem *base;
@@ -437,14 +438,6 @@ static void aspeed_sgpio_irq_handler(struct irq_desc *desc)
chained_irq_exit(ic, desc);
}
-static struct irq_chip aspeed_sgpio_irqchip = {
- .name = "aspeed-sgpio",
- .irq_ack = aspeed_sgpio_irq_ack,
- .irq_mask = aspeed_sgpio_irq_mask,
- .irq_unmask = aspeed_sgpio_irq_unmask,
- .irq_set_type = aspeed_sgpio_set_type,
-};
-
static int aspeed_sgpio_setup_irqs(struct aspeed_sgpio *gpio,
struct platform_device *pdev)
{
@@ -467,8 +460,14 @@ static int aspeed_sgpio_setup_irqs(struct aspeed_sgpio *gpio,
iowrite32(0xffffffff, bank_reg(gpio, bank, reg_irq_status));
}
+ gpio->intc.name = dev_name(&pdev->dev);
+ gpio->intc.irq_ack = aspeed_sgpio_irq_ack;
+ gpio->intc.irq_mask = aspeed_sgpio_irq_mask;
+ gpio->intc.irq_unmask = aspeed_sgpio_irq_unmask;
+ gpio->intc.irq_set_type = aspeed_sgpio_set_type;
+
irq = &gpio->chip.irq;
- irq->chip = &aspeed_sgpio_irqchip;
+ irq->chip = &gpio->intc;
irq->init_valid_mask = aspeed_sgpio_irq_init_valid_mask;
irq->handler = handle_bad_irq;
irq->default_type = IRQ_TYPE_NONE;
--
2.17.1
