[PATCH v2 1/5] watchdog: renesas_wdt: avoid (theoretical) type overflow

[Wolfram Sang]

Because the smallest clock divider we can select is 1, 'clks_per_sec'
must be the same type as 'rate'.

Reviewed-by: Guenter Roeck <li...@roeck-us.net>
Signed-off-by: Wolfram Sang <wsa+rene...@sang-engineering.com>
---
Changes since V1:

* use proper type also in the private struct

 drivers/watchdog/renesas_wdt.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/watchdog/renesas_wdt.c b/drivers/watchdog/renesas_wdt.c
index cf61c92f7ecd63..22b0348826deb1 100644
--- a/drivers/watchdog/renesas_wdt.c
+++ b/drivers/watchdog/renesas_wdt.c
@@ -37,7 +37,7 @@ struct rwdt_priv {
        void __iomem *base;
        struct watchdog_device wdev;
        struct clk *clk;
-       unsigned int clks_per_sec;
+       unsigned long clks_per_sec;
        u8 cks;
 };
 
@@ -112,8 +112,7 @@ static int rwdt_probe(struct platform_device *pdev)
 {
        struct rwdt_priv *priv;
        struct resource *res;
-       unsigned long rate;
-       unsigned int clks_per_sec;
+       unsigned long rate, clks_per_sec;
        int ret, i;
 
        priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
-- 
2.11.0