RE: [PATCH v6 0/3] mailbox: Add APM X-Gene platform mailbox driver

[Itaru Kitayama]

Hi Duc,

I've been testing your patch set for v4.5-rc1 on Mustang, with ACPI, 
however the boot hangs in the middle of it:

EFI stub: Booting Linux Kernel...
EFI stub: Using DTB from configuration table
EFI stub: Exiting boot services and installing virtual address map...
L3c Cache: 8MB
Booting Linux on physical CPU 0x0
Linux version 4.5.0-rc1+ (itaru.kitayama@r2-a21) (gcc version 5.3.1 
20151207 (Red Hat 5.3.1-2) (GCC) ) #96 SMP PREEMPT Fri Feb 12 22:43:54 
CST 2016
Boot CPU: AArch64 Processor [500f0001]
earlycon: Early serial console at MMIO32 0x1c020000 (options '')
bootconsole [uart0] enabled
efi: Getting EFI parameters from FDT:
EFI v2.40 by X-Gene Mustang Board EFI Nov 24 2015 13:22:41
efi:  ACPI=0x47fa869000  ACPI 2.0=0x47fa869014  SMBIOS 3.0=0x47fa867000
cma: Reserved 512 MiB at 0x00000040e0000000
ACPI: Early table checksum verification disabled
ACPI: RSDP 0x00000047FA869014 000024 (v02 APM   )
ACPI: XSDT 0x00000047FA8680E8 00006C (v01 APM    XGENE    00000003 
01000013)
ACPI: FACP 0x00000047FA85F000 00010C (v05 APM    XGENE    00000003 INTL 
20140724)
ACPI: DSDT 0x00000047FA860000 00495F (v05 APM    APM88xxx 00000001 INTL 
20140724)
ACPI: DBG2 0x00000047FA865000 0000AA (v00 APMC0D XGENEDBG 00000000 INTL 
20140724)
ACPI: GTDT 0x00000047FA85D000 0000E0 (v02 APM    XGENE    00000001 INTL 
20140724)
ACPI: MCFG 0x00000047FA85C000 00003C (v01 APM    XGENE    00000002 INTL 
20140724)
ACPI: SPCR 0x00000047FA85B000 000050 (v02 APMC0D XGENESPC 00000000 INTL 
20140724)
ACPI: SSDT 0x00000047FA85A000 00002D (v02 APM    XGENE    00000001 INTL 
20140724)
ACPI: APIC 0x00000047FA859000 0002A4 (v03 APM    XGENE    00000003 
01000013)
ACPI: SSDT 0x00000047FA858000 000078 (v02 REDHAT MACADDRS 00000001 
01000013)
ACPI: SSDT 0x00000047FA857000 000032 (v02 REDHAT UARTCLKS 00000001 
01000013)
psci: is not implemented in ACPI.
Unsupported ACPI enable-method
Unsupported ACPI enable-method
Unsupported ACPI enable-method
Unsupported ACPI enable-method
Unsupported ACPI enable-method
Unsupported ACPI enable-method
Unsupported ACPI enable-method
Unsupported ACPI enable-method
PERCPU: Embedded 2 pages/cpu @fffffe07fff90000 s41472 r8192 d81408 u131072
Detected PIPT I-cache on CPU0
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 523776
Kernel command line: BOOT_IMAGE=/vmlinuz-4.5.0-rc1+ 
root=UUID=0e305934-49d5-4f66-b10b-23ec6029fab9 ro acpi=force 
earlycon=uart8250,mmio32,0x1c020000 console=ttyS0,115200 LANG=en_US.UTF-8
PID hash table entries: 4096 (order: -1, 32768 bytes)
Dentry cache hash table entries: 4194304 (order: 9, 33554432 bytes)
Inode-cache hash table entries: 2097152 (order: 8, 16777216 bytes)
software IO TLB [mem 0x40dbff0000-0x40dfff0000] (64MB) mapped at 
[fffffe00dbff0000-fffffe00dffeffff]
Memory: 32856256K/33554432K available (6158K kernel code, 725K rwdata, 
4032K rodata, 768K init, 399K bss, 173888K reserved, 524288K cma-reserved)
Virtual kernel memory layout:
    vmalloc : 0xfffffc0000000000 - 0xfffffdfedfff0000   (  2043 GB)
    vmemmap : 0xfffffdfee0000000 - 0xfffffdffe0000000   (     4 GB maximum)
              0xfffffdfef0000000 - 0xfffffdfef2000000   (    32 MB actual)
    fixed   : 0xfffffdfffa7d0000 - 0xfffffdfffac00000   (  4288 KB)
    PCI I/O : 0xfffffdfffae00000 - 0xfffffdfffbe00000   (    16 MB)
    modules : 0xfffffdfffc000000 - 0xfffffe0000000000   (    64 MB)
    memory  : 0xfffffe0000000000 - 0xfffffe0800000000   ( 32768 MB)
      .init : 0xfffffe0000a80000 - 0xfffffe0000b40000   (   768 KB)
      .text : 0xfffffe0000080000 - 0xfffffe0000a75b44   ( 10199 KB)
      .data : 0xfffffe0000b40000 - 0xfffffe0000bf5400   (   725 KB)
SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
Preemptible hierarchical RCU implementation.
	Build-time adjustment of leaf fanout to 64.
	RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=1.
RCU: Adjusting geometry for rcu_fanout_leaf=64, nr_cpu_ids=1
NR_IRQS:64 nr_irqs:64 0
GIC: Using split EOI/Deactivate mode
Architected cp15 timer(s) running at 50.00MHz (phys).
clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 
0xb8812736b, max_idle_ns: 440795202655 ns
sched_clock: 56 bits at 50MHz, resolution 20ns, wraps every 4398046511100ns
Console: colour dummy device 80x25
Calibrating delay loop (skipped), value calculated using timer 
frequency.. 100.00 BogoMIPS (lpj=200000)
pid_max: default: 32768 minimum: 301
ACPI: Core revision 20160108
ACPI: 4 ACPI AML tables successfully acquired and loaded

Security Framework initialized
Mount-cache hash table entries: 65536 (order: 3, 524288 bytes)
Mountpoint-cache hash table entries: 65536 (order: 3, 524288 bytes)
ASID allocator initialised with 65536 entries

Is the patch set supposed to be evaluated without ACPI?