diff options
Diffstat (limited to 'drivers/watchdog/qcom-wdt.c')
| -rw-r--r-- | drivers/watchdog/qcom-wdt.c | 31 |
1 files changed, 23 insertions, 8 deletions
diff --git a/drivers/watchdog/qcom-wdt.c b/drivers/watchdog/qcom-wdt.c index eb47fe5ed280..460967a02da3 100644 --- a/drivers/watchdog/qcom-wdt.c +++ b/drivers/watchdog/qcom-wdt.c @@ -40,6 +40,11 @@ static const u32 reg_offset_data_kpss[] = { [WDT_BITE_TIME] = 0x14, }; +struct qcom_wdt_match_data { + const u32 *offset; + bool pretimeout; +}; + struct qcom_wdt { struct watchdog_device wdd; unsigned long rate; @@ -179,19 +184,29 @@ static void qcom_clk_disable_unprepare(void *data) clk_disable_unprepare(data); } +static const struct qcom_wdt_match_data match_data_apcs_tmr = { + .offset = reg_offset_data_apcs_tmr, + .pretimeout = false, +}; + +static const struct qcom_wdt_match_data match_data_kpss = { + .offset = reg_offset_data_kpss, + .pretimeout = true, +}; + static int qcom_wdt_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct qcom_wdt *wdt; struct resource *res; struct device_node *np = dev->of_node; - const u32 *regs; + const struct qcom_wdt_match_data *data; u32 percpu_offset; int irq, ret; struct clk *clk; - regs = of_device_get_match_data(dev); - if (!regs) { + data = of_device_get_match_data(dev); + if (!data) { dev_err(dev, "Unsupported QCOM WDT module\n"); return -ENODEV; } @@ -247,7 +262,7 @@ static int qcom_wdt_probe(struct platform_device *pdev) /* check if there is pretimeout support */ irq = platform_get_irq_optional(pdev, 0); - if (irq > 0) { + if (data->pretimeout && irq > 0) { ret = devm_request_irq(dev, irq, qcom_wdt_isr, IRQF_TRIGGER_RISING, "wdt_bark", &wdt->wdd); @@ -267,7 +282,7 @@ static int qcom_wdt_probe(struct platform_device *pdev) wdt->wdd.min_timeout = 1; wdt->wdd.max_timeout = 0x10000000U / wdt->rate; wdt->wdd.parent = dev; - wdt->layout = regs; + wdt->layout = data->offset; if (readl(wdt_addr(wdt, WDT_STS)) & 1) wdt->wdd.bootstatus = WDIOF_CARDRESET; @@ -311,9 +326,9 @@ static int __maybe_unused qcom_wdt_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(qcom_wdt_pm_ops, qcom_wdt_suspend, qcom_wdt_resume); static const struct of_device_id qcom_wdt_of_table[] = { - { .compatible = "qcom,kpss-timer", .data = reg_offset_data_apcs_tmr }, - { .compatible = "qcom,scss-timer", .data = reg_offset_data_apcs_tmr }, - { .compatible = "qcom,kpss-wdt", .data = reg_offset_data_kpss }, + { .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 }, { }, }; MODULE_DEVICE_TABLE(of, qcom_wdt_of_table); |