ipq806x: remove obsolete Kernel 5.4
[openwrt/openwrt.git] / target / linux / ipq806x / patches-5.4 / 088-v5.8-watchdog-qcom-wdt-disable-pretimeout-on-timer-platfo.patch
diff --git a/target/linux/ipq806x/patches-5.4/088-v5.8-watchdog-qcom-wdt-disable-pretimeout-on-timer-platfo.patch b/target/linux/ipq806x/patches-5.4/088-v5.8-watchdog-qcom-wdt-disable-pretimeout-on-timer-platfo.patch
deleted file mode 100644 (file)
index 1bd44fd..0000000
+++ /dev/null
@@ -1,98 +0,0 @@
-From 000de5417107623925a4cf0310579f744ff43c28 Mon Sep 17 00:00:00 2001
-From: Ansuel Smith <ansuelsmth@gmail.com>
-Date: Tue, 4 Feb 2020 20:56:48 +0100
-Subject: watchdog: qcom-wdt: disable pretimeout on timer platform
-
-Some platform like ipq806x doesn't support pretimeout and define
-some interrupts used by qcom,msm-timer. Change the driver to check
-and use pretimeout only on qcom,kpss-wdt as it's the only platform
-that actually supports it.
-
-Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
-Reviewed-by: Guenter Roeck <linux@roeck-us.net>
-Link: https://lore.kernel.org/r/20200204195648.23350-1-ansuelsmth@gmail.com
-[groeck: Conflict resolution]
-Signed-off-by: Guenter Roeck <linux@roeck-us.net>
-Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
----
- drivers/watchdog/qcom-wdt.c | 31 +++++++++++++++++++++++--------
- 1 file changed, 23 insertions(+), 8 deletions(-)
-
---- a/drivers/watchdog/qcom-wdt.c
-+++ b/drivers/watchdog/qcom-wdt.c
-@@ -39,6 +39,11 @@ 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;
-@@ -168,19 +173,29 @@ static void qcom_clk_disable_unprepare(v
-       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;
-       }
-@@ -236,7 +251,7 @@ static int qcom_wdt_probe(struct platfor
-       /* 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);
-@@ -256,7 +271,7 @@ static int qcom_wdt_probe(struct platfor
-       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;
-@@ -300,9 +315,9 @@ static int __maybe_unused qcom_wdt_resum
- 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);