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

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Message-Id: <20190904061245.30770-1-rashmica.g@gmail.com>
Date:   Wed,  4 Sep 2019 16:12:42 +1000
From:   Rashmica Gupta <rashmica.g@...il.com>
To:     linus.walleij@...aro.org, linux-gpio@...r.kernel.org,
        bgolaszewski@...libre.com
Cc:     linux-arm-kernel@...ts.infradead.org,
        linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        joel@....id.au, andrew@...id.au,
        Rashmica Gupta <rashmica.g@...il.com>
Subject: [PATCH 1/4] gpio/aspeed: Fix incorrect number of banks

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

Signed-off-by: Rashmica Gupta <rashmica.g@...il.com>
---
 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