Hi Ingo,
On 01/19/2017 05:38 PM, Ingo Molnar wrote:
> * Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx> wrote:
>
>> index 8a12199..c4031b9 100644
>> --- a/arch/x86/kernel/early_printk.c
>> +++ b/arch/x86/kernel/early_printk.c
>> @@ -17,6 +17,7 @@
>> #include <asm/intel-mid.h>
>> #include <asm/pgtable.h>
>> #include <linux/usb/ehci_def.h>
>> +#include <linux/usb/xhci-dbgp.h>
>> #include <linux/efi.h>
>> #include <asm/efi.h>
>> #include <asm/pci_x86.h>
>> @@ -381,6 +382,10 @@ static int __init setup_early_printk(char *buf)
>> if (!strncmp(buf, "efi", 3))
>> early_console_register(&early_efi_console, keep);
>> #endif
>> +#ifdef CONFIG_EARLY_PRINTK_XDBC
>> + if (!strncmp(buf, "xdbc", 4))
>> + early_xdbc_parse_parameter(buf + 4);
>> +#endif
>>
>> buf++;
>> }
>> diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
>> index 9c337b0..09d4a56 100644
>> --- a/arch/x86/kernel/setup.c
>> +++ b/arch/x86/kernel/setup.c
>> @@ -70,6 +70,8 @@
>> #include <linux/tboot.h>
>> #include <linux/jiffies.h>
>>
>> +#include <linux/usb/xhci-dbgp.h>
>> +
>> #include <video/edid.h>
>>
>> #include <asm/mtrr.h>
>> @@ -1096,6 +1098,11 @@ void __init setup_arch(char **cmdline_p)
>> memblock_set_current_limit(ISA_END_ADDRESS);
>> memblock_x86_fill();
>>
>> +#ifdef CONFIG_EARLY_PRINTK_XDBC
>> + if (!early_xdbc_setup_hardware())
>> + early_xdbc_register_console();
>> +#endif
>> +
>> reserve_bios_regions();
>>
>> if (efi_enabled(EFI_MEMMAP)) {
>> --
>> 2.1.4
> Please create proper wrappers in xhci-dbgp.h to not litter generic code with these
> #ifdefs.
Sure.
Best regards,
Lu Baolu
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