[PATCH 1/4] gpio/aspeed: Fix incorrect number of banks

From: Rashmica Gupta
Date: Wed Sep 04 2019 - 02:13:25 EST


Fixes: 361b79119a4b7 ('gpio: Add Aspeed driver')

Signed-off-by: Rashmica Gupta <rashmica.g@xxxxxxxxx>
---
drivers/gpio/gpio-aspeed.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-aspeed.c b/drivers/gpio/gpio-aspeed.c
index 9defe25d4721..77752b2624e8 100644
--- a/drivers/gpio/gpio-aspeed.c
+++ b/drivers/gpio/gpio-aspeed.c
@@ -1165,7 +1165,7 @@ static int __init aspeed_gpio_probe(struct platform_device *pdev)
gpio->chip.base = -1;

/* Allocate a cache of the output registers */
- banks = gpio->config->nr_gpios >> 5;
+ banks = (gpio->config->nr_gpios >> 5) + 1;
gpio->dcache = devm_kcalloc(&pdev->dev,
banks, sizeof(u32), GFP_KERNEL);
if (!gpio->dcache)
--
2.20.1