diff options
Diffstat (limited to 'drivers/watchdog/qcom-wdt.c')
| -rw-r--r-- | drivers/watchdog/qcom-wdt.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/watchdog/qcom-wdt.c b/drivers/watchdog/qcom-wdt.c index 9e790f0c2096..dfaac5995c84 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 +178,19 @@ 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_ipq5424 = { + .offset = reg_offset_data_kpss, + .pretimeout = true, + .max_tick_count = 0xFFFFFU, }; 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 +245,7 @@ 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 +269,7 @@ 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; @@ -319,6 +328,7 @@ static const struct dev_pm_ops qcom_wdt_pm_ops = { }; static const struct of_device_id qcom_wdt_of_table[] = { + { .compatible = "qcom,apss-wdt-ipq5424", .data = &match_data_ipq5424 }, { .compatible = "qcom,kpss-timer", .data = &match_data_apcs_tmr }, { .compatible = "qcom,scss-timer", .data = &match_data_apcs_tmr }, { .compatible = "qcom,kpss-wdt", .data = &match_data_kpss }, |