Re: ACPI scan regression -> Boot fail on Cherrytrail w/ 5.11-rc3

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This means that skipping the enumeration of a certain device alone is
problematic which is a surprise of sorts.

Let's see what device that may be.

Because the machine booted with the debug patch from Hans, it should also boot
with the one below, so please do that and send the output of

$ dmesg | grep Dependencies

Yep, boot success with that patch :-)

root@plb-Zotac:~# dmesg | grep Dependencies
[    0.426722] ACPI: \_SB_.PCI0.SDHB: Dependencies found
[    0.427927] ACPI: \_SB_.PCI0.SDHB.BRCM: Dependencies found
[    0.431863] ACPI: \_SB_.PCI0.SDHC: Dependencies found
[    0.433128] ACPI: \_SB_.PCI0.SHC1: Dependencies found
[    0.466328] ACPI: \_SB_.PCI0.I2C1.BATC: Dependencies found
[    0.478490] ACPI: \_SB_.PCI0.I2C3.TIDR: Dependencies found
[    0.479851] ACPI: \_SB_.PCI0.I2C3.ABAT: Dependencies found
[    0.480756] ACPI: \_SB_.PCI0.I2C4: Dependencies found
[    0.482605] ACPI: \_SB_.PCI0.I2C4.CA10: Dependencies found
[    0.484464] ACPI: \_SB_.PCI0.I2C4.CAM9: Dependencies found
[    0.485769] ACPI: \_SB_.PCI0.I2C4.CAM3: Dependencies found
[    0.487187] ACPI: \_SB_.PCI0.I2C4.CAM4: Dependencies found
[    0.490563] ACPI: \_SB_.PCI0.I2C6.TCS0: Dependencies found
[    0.492673] ACPI: \_SB_.PCI0.I2C6.SYN1: Dependencies found
[    0.494923] ACPI: \_SB_.PCI0.I2C7.PMI1: Dependencies found
[    0.496528] ACPI: \_SB_.PCI0.I2C7.PMI2: Dependencies found
[    0.498111] ACPI: \_SB_.PCI0.I2C7.PMI5: Dependencies found
[    0.499909] ACPI: \_SB_.PCI0.I2C7.PMIF: Dependencies found
[    0.500891] ACPI: \_SB_.PCI0.I2C7.PMIC: Dependencies found
[    0.502822] ACPI: \_SB_.PCI0.I2C7.BMDR: Dependencies found
[    0.504333] ACPI: \_SB_.PCI0.I2C7.WIDR: Dependencies found
[    0.505689] ACPI: \_SB_.PCI0.I2C7.BATC: Dependencies found
[    0.509734] ACPI: \_SB_.PCI0.AMCR: Dependencies found
[    0.510715] ACPI: \_SB_.PCI0.TIMC: Dependencies found
[    0.516336] ACPI: \_SB_.PCI0.BRCM: Dependencies found
[    0.517490] ACPI: \_SB_.PCI0.LNPW: Dependencies found
[    0.531940] ACPI: \_SB_.WLCH: Dependencies found
[    0.532866] ACPI: \_SB_.WCH2: Dependencies found
[    0.533927] ACPI: \_SB_.FLDM: Dependencies found
[    0.541033] ACPI: \_SB_.BTNS: Dependencies found
[    0.543079] ACPI: \_SB_.TBAD: Dependencies found
[    0.549169] ACPI: \_SB_.UBTC: Dependencies found

I can run more tests as needed.

---
  drivers/acpi/scan.c |    9 +++------
  1 file changed, 3 insertions(+), 6 deletions(-)

Index: linux-pm/drivers/acpi/scan.c
===================================================================
--- linux-pm.orig/drivers/acpi/scan.c
+++ linux-pm/drivers/acpi/scan.c
@@ -1950,10 +1950,8 @@ static acpi_status acpi_bus_check_add(ac
  	if (type == ACPI_BUS_TYPE_DEVICE && check_dep) {
  		u32 count = acpi_scan_check_dep(handle);
  		/* Bail out if the number of recorded dependencies is not 0. */
-		if (count > 0) {
-			acpi_bus_scan_second_pass = true;
-			return AE_CTRL_DEPTH;
-		}
+		if (count > 0)
+			acpi_handle_info(handle, "Dependencies found\n");
  	}
acpi_add_single_object(&device, handle, type, sta);
@@ -1961,8 +1959,7 @@ static acpi_status acpi_bus_check_add(ac
  		return AE_CTRL_DEPTH;
acpi_scan_init_hotplug(device);
-	if (!check_dep)
-		acpi_scan_dep_init(device);
+	acpi_scan_dep_init(device);
out:
  	if (!*adev_p)






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