The driver's probe() method chooses the polling mode if an IRQ # returned
by platform_get_irq_optional() is 0 or less. We'll have to filter out
-EPROBE_DEFER earlier for the deferred probing to work...
Fixes: 0e8ce93bdceb ("i2c: pca-platform: add devicetree awareness")
Signed-off-by: Sergey Shtylyov <s.shtylyov@xxxxxx>
---
Changed in version 2:
- new patch.
drivers/i2c/busses/i2c-pca-platform.c | 2 ++
1 file changed, 2 insertions(+)
Index: linux/drivers/i2c/busses/i2c-pca-platform.c
===================================================================
--- linux.orig/drivers/i2c/busses/i2c-pca-platform.c
+++ linux/drivers/i2c/busses/i2c-pca-platform.c
@@ -139,6 +139,8 @@ static int i2c_pca_pf_probe(struct platf
int irq;
irq = platform_get_irq_optional(pdev, 0);
+ if (irq == -EPROBE_DEFER)
+ return irq;
/* If irq is 0, we do polling. */
if (irq < 0)
irq = 0;
