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-rw-r--r--drivers/watchdog/qcom-wdt.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/watchdog/qcom-wdt.c b/drivers/watchdog/qcom-wdt.c
index 9e790f0c2096..006f9c61aa64 100644
--- a/drivers/watchdog/qcom-wdt.c
+++ b/drivers/watchdog/qcom-wdt.c
@@ -41,6 +41,7 @@ static const u32 reg_offset_data_kpss[] = {
struct qcom_wdt_match_data {
const u32 *offset;
bool pretimeout;
+ u32 max_tick_count;
};
struct qcom_wdt {
@@ -177,11 +178,13 @@ static const struct watchdog_info qcom_wdt_pt_info = {
static const struct qcom_wdt_match_data match_data_apcs_tmr = {
.offset = reg_offset_data_apcs_tmr,
.pretimeout = false,
+ .max_tick_count = 0x10000000U,
};
static const struct qcom_wdt_match_data match_data_kpss = {
.offset = reg_offset_data_kpss,
.pretimeout = true,
+ .max_tick_count = 0xFFFFFU,
};
static int qcom_wdt_probe(struct platform_device *pdev)
@@ -236,7 +239,7 @@ static int qcom_wdt_probe(struct platform_device *pdev)
*/
wdt->rate = clk_get_rate(clk);
if (wdt->rate == 0 ||
- wdt->rate > 0x10000000U) {
+ wdt->rate > data->max_tick_count) {
dev_err(dev, "invalid clock rate\n");
return -EINVAL;
}
@@ -260,7 +263,7 @@ static int qcom_wdt_probe(struct platform_device *pdev)
wdt->wdd.ops = &qcom_wdt_ops;
wdt->wdd.min_timeout = 1;
- wdt->wdd.max_timeout = 0x10000000U / wdt->rate;
+ wdt->wdd.max_timeout = data->max_tick_count / wdt->rate;
wdt->wdd.parent = dev;
wdt->layout = data->offset;