Skip to content

Instantly share code, notes, and snippets.

@hyphop

hyphop/meson-ee-pwrc.c.patch

Created February 6, 2021 05:45
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save hyphop/0f48ee8e02c0f114ccbfdb18e2d771eb to your computer and use it in GitHub Desktop.
Save hyphop/0f48ee8e02c0f114ccbfdb18e2d771eb to your computer and use it in GitHub Desktop.
Download ZIP
meson-ee-pwrc testing
Raw
meson-ee-pwrc.c.patch
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 6eb4c7a90..37c85414b 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -4216,17 +4216,17 @@ void device_shutdown(void)
pm_runtime_barrier(dev);
if (dev->class && dev->class->shutdown_pre) {
- if (initcall_debug)
dev_info(dev, "shutdown_pre\n");
+ mdelay(50);
dev->class->shutdown_pre(dev);
}
if (dev->bus && dev->bus->shutdown) {
- if (initcall_debug)
dev_info(dev, "shutdown\n");
+ mdelay(50);
dev->bus->shutdown(dev);
} else if (dev->driver && dev->driver->shutdown) {
- if (initcall_debug)
dev_info(dev, "shutdown\n");
+ mdelay(50);
dev->driver->shutdown(dev);
}
diff --git a/drivers/soc/amlogic/meson-ee-pwrc.c b/drivers/soc/amlogic/meson-ee-pwrc.c
index 420f25fdf..dfcb6ef96 100644
--- a/drivers/soc/amlogic/meson-ee-pwrc.c
+++ b/drivers/soc/amlogic/meson-ee-pwrc.c
@@ -339,19 +339,22 @@ static int meson_ee_pwrc_off(struct generic_pm_domain *domain)
container_of(domain, struct meson_ee_pwrc_domain, base);
int i;
+ pr_info("PWRC_OFF %s start", domain->name);
+// return 0; // exit from there always without stuck
+
if (pwrc_domain->desc.top_pd)
regmap_update_bits(pwrc_domain->pwrc->regmap_ao,
pwrc_domain->desc.top_pd->sleep_reg,
pwrc_domain->desc.top_pd->sleep_mask,
pwrc_domain->desc.top_pd->sleep_mask);
udelay(20);
+// return 0; // exit from there already can stuck
for (i = 0 ; i < pwrc_domain->desc.mem_pd_count ; ++i)
regmap_update_bits(pwrc_domain->pwrc->regmap_hhi,
pwrc_domain->desc.mem_pd[i].reg,
pwrc_domain->desc.mem_pd[i].mask,
pwrc_domain->desc.mem_pd[i].mask);
-
udelay(20);
if (pwrc_domain->desc.top_pd)
@@ -360,11 +363,15 @@ static int meson_ee_pwrc_off(struct generic_pm_domain *domain)
pwrc_domain->desc.top_pd->iso_mask,
pwrc_domain->desc.top_pd->iso_mask);
+ udelay(100);
+
if (pwrc_domain->num_clks) {
+ pr_info("PWRC_OFF clks %d", pwrc_domain->num_clks);
msleep(20);
clk_bulk_disable_unprepare(pwrc_domain->num_clks,
pwrc_domain->clks);
}
+ pr_info("PWRC_OFF %s done", domain->name);
return 0;
}
@@ -547,11 +554,14 @@ static void meson_ee_pwrc_shutdown(struct platform_device *pdev)
return;
}
+ dev_info(&pdev->dev, "shutdown begin");
for (i = 0 ; i < pwrc->xlate.num_domains ; ++i) {
struct meson_ee_pwrc_domain *dom = &pwrc->domains[i];
- if (dom->desc.get_power && !dom->desc.get_power(dom))
+ if (dom->desc.get_power && !dom->desc.get_power(dom)) {
+ dev_info(&pdev->dev, "shutdown domain %d:%s...", i, dom->desc.name);
meson_ee_pwrc_off(&dom->base);
+ }
}
}
Raw
normal_reboot.log
/ # [ 4.128332] reboot: kernel restart prepare CMD:(null)
[ 4.128531] platform ff64c000.mdio-multiplexer: shutdown
[ 4.183073] usb 1-1-port4: shutdown
[ 4.233111] usb 1-1-port3: shutdown
[ 4.283147] usb 1-1-port2: shutdown
[ 4.333183] usb 1-1-port1: shutdown
[ 4.383227] adc_keys adc-keys: shutdown
[ 4.433269] usb usb2-port1: shutdown
[ 4.483312] usb usb1-port2: shutdown
[ 4.533348] usb usb1-port1: shutdown
[ 4.583389] xhci-hcd xhci-hcd.0.auto: shutdown
[ 4.633436] dwc3 ff500000.usb: shutdown
[ 4.683478] dwc2 ff400000.usb: shutdown
[ 4.733523] dwc3-meson-g12a ffe09000.usb: shutdown
[ 4.783570] meson_ee_pwrc ff63c000.system-controller:power-controller: shutdown
[ 4.835242] meson_ee_pwrc ff63c000.system-controller:power-controller: shutdown begin
[ 4.837429] meson_ee_pwrc ff63c000.system-controller:power-controller: shutdown domain 0:VPU...
[ 4.846061] PWRC_OFF VPU start
[ 4.846421] PWRC_OFF clks 2
[ 4.874766] PWRC_OFF VPU done
[ 4.874794] meson_ee_pwrc ff63c000.system-controller:power-controller: shutdown domain 2:USB...
[ 4.883525] PWRC_OFF USB start
[ 4.883834] PWRC_OFF USB done
[ 4.886531] phy-g12a-usb3-pcie ff646000.phy: shutdown
[ 4.944481] phy-meson-g12a-usb2 ff63a000.phy: shutdown
[ 4.994529] phy-meson-g12a-usb2 ff636000.phy: shutdown
[ 5.044574] reg-fixed-voltage regulator-usb_pwr: shutdown
[ 5.094621] reg-fixed-voltage regulator-vcc_5v: shutdown
[ 5.144670] meson-saradc ff809000.adc: shutdown
[ 5.194744] i2c 0-0051: shutdown
[ 5.244783] pca953x 0-0020: shutdown
[ 5.294821] i2c 0-0018: shutdown
[ 5.344859] i2c i2c-0: shutdown
[ 5.394904] platform Fixed MDIO bus.0: shutdown
[ 5.445026] serial8250 serial8250: shutdown
[ 5.495123] pwm-regulator regulator-vddcpu: shutdown
[ 5.545170] pwm-clock wifi32k: shutdown
[ 5.595403] platform sound: shutdown
[ 5.645441] platform hdmi-connector: shutdown
[ 5.695484] reg-fixed-voltage regulator-vsys_3v3: shutdown
[ 5.745531] reg-fixed-voltage regulator-emmc_1v8: shutdown
[ 5.795578] reg-fixed-voltage regulator-vddao_1v8: shutdown
[ 5.845625] reg-fixed-voltage regulator-vcc_3v3: shutdown
[ 5.895670] reg-fixed-voltage regulator-vcc_1v8: shutdown
[ 5.945714] reg-fixed-voltage regulator-dc_in: shutdown
[ 5.995758] pwrseq_simple sdio-pwrseq: shutdown
[ 6.045800] gpio-keys-polled gpio-keys-polled: shutdown
[ 6.095844] pwrseq_emmc emmc-pwrseq: shutdown
[ 6.145884] leds-gpio leds: shutdown
[ 6.196256] platform audio-controller-0: shutdown
[ 6.246299] platform timer: shutdown
[ 6.296338] platform ffe40000.gpu: shutdown
[ 6.346380] platform ffe07000.mmc: shutdown
[ 6.396422] platform ffe05000.sd: shutdown
[ 6.446464] platform ffe03000.sd: shutdown
[ 6.496503] meson_uart ffd24000.serial: shutdown
[ 6.546544] meson_msr ffd18000.clock-measure: shutdown
[ 6.596587] meson-pwm ffd19000.pwm: shutdown
[ 6.646630] platform ffd14000.spi: shutdown
[ 6.696669] platform ffd0f0d0.wdt: shutdown
[ 6.746708] meson_reset ffd01004.reset-controller: shutdown
[ 6.796766] platform ffd00000.bus: shutdown
[ 6.846808] platform ff620000.video-decoder: shutdown
[ 6.896854] platform ff808000.ir: shutdown
[ 6.946893] meson-i2c ff805000.i2c: shutdown
[ 6.996933] meson_uart ff803000.serial: shutdown
[ 7.046973] meson-pwm ff802000.pwm: shutdown
[ 7.097015] platform ff800280.cec: shutdown
[ 7.147054] platform ff800140.ao-secure: shutdown
[ 7.197095] platform ff8000a8.rtc: shutdown
[ 7.247134] meson-g12a-pinctrl ff800000.sys-ctrl:pinctrl@14: shutdown
[ 7.297947] g12a-aoclkc ff800000.sys-ctrl:clock-controller: shutdown
[ 7.348672] platform ff800000.sys-ctrl: shutdown
[ 7.398716] platform ff800000.bus: shutdown
[ 7.448764] platform ff660744.audio-controller: shutdown
[ 7.498810] platform ff660500.audio-controller: shutdown
[ 7.548856] platform ff660280.reset-controller: shutdown
[ 7.598902] platform ff660240.audio-controller: shutdown
[ 7.648948] platform ff660200.audio-controller: shutdown
[ 7.698994] platform ff6601c0.audio-controller: shutdown
[ 7.749039] platform ff660000.clock-controller: shutdown
[ 7.799085] platform ff660000.bus: shutdown
[ 7.849129] g12a-clkc ff63c000.system-controller:clock-controller: shutdown
[ 7.900455] platform ff63c000.system-controller: shutdown
[ 7.950500] platform ff63c000.bus: shutdown
[ 8.000539] amlogic-canvas ff638048.video-lut: shutdown
[ 8.050582] platform ff638000.bus: shutdown
[ 8.100622] amlogic_thermal ff634c00.temperature-sensor: shutdown
[ 8.151088] amlogic_thermal ff634800.temperature-sensor: shutdown
[ 8.201553] meson-g12a-pinctrl ff634400.bus:pinctrl@40: shutdown
[ 8.251931] platform ff634400.bus: shutdown
[ 8.301970] platform ff630218.rng: shutdown
[ 8.352009] platform ff630000.bus: shutdown
[ 8.402048] meson-dw-hdmi ff600000.hdmi-tx: shutdown
[ 8.452090] platform ff600000.bus: shutdown
[ 8.502129] platform soc: shutdown
[ 8.552164] meson-sm secure-monitor: shutdown
[ 8.602204] platform psci: shutdown
[ 8.652241] platform efuse: shutdown
[ 8.702281] cpufreq-dt cpufreq-dt: shutdown
[ 8.752323] reg-dummy reg-dummy: shutdown
[ 8.802410] reboot: Restarting system
[ 8.802449] psci: PSCI_0_2_FN_SYSTEM_RESET reboot_mode:0 cmd:(null)
bl31 reboot reason: 0xd
bl31 reboot reason: 0x0
system cmd 1.
Raw
stuck_example.log
/ # [ 4.200239] reboot: kernel restart prepare CMD:(null)
[ 4.200437] platform ff64c000.mdio-multiplexer: shutdown
[ 4.254987] usb 1-1-port4: shutdown
[ 4.305024] usb 1-1-port3: shutdown
[ 4.355062] usb 1-1-port2: shutdown
[ 4.405097] usb 1-1-port1: shutdown
[ 4.455144] adc_keys adc-keys: shutdown
[ 4.505188] usb usb2-port1: shutdown
[ 4.555233] usb usb1-port2: shutdown
[ 4.605269] usb usb1-port1: shutdown
[ 4.655311] xhci-hcd xhci-hcd.0.auto: shutdown
[ 4.705359] dwc3 ff500000.usb: shutdown
[ 4.755402] dwc2 ff400000.usb: shutdown
[ 4.805448] dwc3-meson-g12a ffe09000.usb: shutdown
[ 4.855496] meson_ee_pwrc ff63c000.system-controller:power-controller: shutdown
[ 4.907168] meson_ee_pwrc ff63c000.system-controller:power-controller: shutdown begin
[ 4.909354] meson_ee_pwrc ff63c000.system-controller:power-controller: shutdown domain 0:VPU...
.. STUCK ..
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment