From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
Add BUILD_BUG_ON() checks to avoid overflows for GPIO configs for each
supported SoC.
While at it, for readability set n_port_pins based on the GPIO pin configs
and not on GPIO names for r9a07g044_data as done for r9a07g043_data.
Suggested-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
---
v2 -> v3
* No change
v1 -> v2
* New patch
---
drivers/pinctrl/renesas/pinctrl-rzg2l.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c
index 6f762097557a..04b31f0c6b34 100644
--- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c
+++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c
@@ -1468,6 +1468,12 @@ static int rzg2l_pinctrl_probe(struct platform_device *pdev)
struct rzg2l_pinctrl *pctrl;
int ret;
+ BUILD_BUG_ON(ARRAY_SIZE(rzg2l_gpio_configs) * RZG2L_PINS_PER_PORT >
+ ARRAY_SIZE(rzg2l_gpio_names));
+
+ BUILD_BUG_ON(ARRAY_SIZE(r9a07g043_gpio_configs) * RZG2L_PINS_PER_PORT >
+ ARRAY_SIZE(rzg2l_gpio_names));
+
pctrl = devm_kzalloc(&pdev->dev, sizeof(*pctrl), GFP_KERNEL);
if (!pctrl)
return -ENOMEM;
@@ -1531,7 +1537,7 @@ static struct rzg2l_pinctrl_data r9a07g044_data = {
.port_pin_configs = rzg2l_gpio_configs,
.n_ports = ARRAY_SIZE(rzg2l_gpio_configs),
.dedicated_pins = rzg2l_dedicated_pins.common,
- .n_port_pins = ARRAY_SIZE(rzg2l_gpio_names),
+ .n_port_pins = ARRAY_SIZE(rzg2l_gpio_configs) * RZG2L_PINS_PER_PORT,
.n_dedicated_pins = ARRAY_SIZE(rzg2l_dedicated_pins.common) +
ARRAY_SIZE(rzg2l_dedicated_pins.rzg2l_pins),
};
--
2.25.1
