[PATCH v2 4/4] i2c: muxes: pca954x: constify pca954x_irq_chip

[Pradhan, Sanman]

From: Sanman Pradhan <psanman@xxxxxxxxxxx>

pca954x_irq_chip is never modified at runtime, and
irq_set_chip_and_handler() takes a const struct irq_chip *.  Mark the
instance const so it can live in read-only memory.

Signed-off-by: Sanman Pradhan <psanman@xxxxxxxxxxx>
---
 drivers/i2c/muxes/i2c-mux-pca954x.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/muxes/i2c-mux-pca954x.c b/drivers/i2c/muxes/i2c-mux-pca954x.c
index b52e0464b40ee..d91007cf1f235 100644
--- a/drivers/i2c/muxes/i2c-mux-pca954x.c
+++ b/drivers/i2c/muxes/i2c-mux-pca954x.c
@@ -427,7 +427,7 @@ static int pca954x_irq_set_type(struct irq_data *idata, unsigned int type)
 	return 0;
 }
 
-static struct irq_chip pca954x_irq_chip = {
+static const struct irq_chip pca954x_irq_chip = {
 	.name = "i2c-mux-pca954x",
 	.irq_set_type = pca954x_irq_set_type,
 };
-- 
2.34.1