[U-Boot] [PATCH 02/30] dm: pci: Break out the common region display code

Simon Glass sjg at chromium.org
Mon Feb 29 05:18:52 CET 2016


Hi Bin,

On 16 February 2016 at 03:09, Bin Meng <bmeng.cn at gmail.com> wrote:
> Hi Simon,
>
> On Mon, Feb 15, 2016 at 10:16 AM, Simon Glass <sjg at chromium.org> wrote:
>> Each region is displayed in almost the same way. Break out this common code
>> into its own function.
>>
>> Signed-off-by: Simon Glass <sjg at chromium.org>
>> ---
>>
>>  drivers/pci/pci_auto_common.c | 51 +++++++++++++++----------------------------
>>  1 file changed, 17 insertions(+), 34 deletions(-)
>>
>> diff --git a/drivers/pci/pci_auto_common.c b/drivers/pci/pci_auto_common.c
>> index 85c419e..a5c16b9 100644
>> --- a/drivers/pci/pci_auto_common.c
>> +++ b/drivers/pci/pci_auto_common.c
>> @@ -62,6 +62,17 @@ int pciauto_region_allocate(struct pci_region *res, pci_size_t size,
>>         return -1;
>>  }
>>
>> +static void pciauto_show_region(const char *name, struct pci_region *region)
>> +{
>> +       pciauto_region_init(region);
>> +       debug("PCI Autoconfig: Bus %s region: [0x%llx-0x%llx],\n"
>> +             "\t\tPhysical Memory [%llx-%llxx]\n", name,
>
> While we are here, can we add '0x' prefix to Physical Memory output?

We shouldn't really do that - in fact the 0x should probably be
removed, since hex is U-Boot's default display base.

>
>> +             (unsigned long long)region->bus_start,
>> +             (unsigned long long)(region->bus_start + region->size - 1),
>> +             (unsigned long long)region->phys_start,
>> +             (unsigned long long)(region->phys_start + region->size - 1));
>
> Why changing previous (u64) to (unsigned long long)?

It fixes a compiler warning on sandbox for me using stdint.h. Not a
big deal but I thought I'd do it at the same time.

>
>> +}
>> +
>>  void pciauto_config_init(struct pci_controller *hose)
>>  {
>>         int i;
>> @@ -91,38 +102,10 @@ void pciauto_config_init(struct pci_controller *hose)
>>         }
>>
>>
>> -       if (hose->pci_mem) {
>> -               pciauto_region_init(hose->pci_mem);
>> -
>> -               debug("PCI Autoconfig: Bus Memory region: [0x%llx-0x%llx],\n"
>> -                      "\t\tPhysical Memory [%llx-%llxx]\n",
>> -                   (u64)hose->pci_mem->bus_start,
>> -                   (u64)(hose->pci_mem->bus_start + hose->pci_mem->size - 1),
>> -                   (u64)hose->pci_mem->phys_start,
>> -                   (u64)(hose->pci_mem->phys_start + hose->pci_mem->size - 1));
>> -       }
>> -
>> -       if (hose->pci_prefetch) {
>> -               pciauto_region_init(hose->pci_prefetch);
>> -
>> -               debug("PCI Autoconfig: Bus Prefetchable Mem: [0x%llx-0x%llx],\n"
>> -                      "\t\tPhysical Memory [%llx-%llx]\n",
>> -                   (u64)hose->pci_prefetch->bus_start,
>> -                   (u64)(hose->pci_prefetch->bus_start +
>> -                           hose->pci_prefetch->size - 1),
>> -                   (u64)hose->pci_prefetch->phys_start,
>> -                   (u64)(hose->pci_prefetch->phys_start +
>> -                           hose->pci_prefetch->size - 1));
>> -       }
>> -
>> -       if (hose->pci_io) {
>> -               pciauto_region_init(hose->pci_io);
>> -
>> -               debug("PCI Autoconfig: Bus I/O region: [0x%llx-0x%llx],\n"
>> -                      "\t\tPhysical Memory: [%llx-%llx]\n",
>> -                   (u64)hose->pci_io->bus_start,
>> -                   (u64)(hose->pci_io->bus_start + hose->pci_io->size - 1),
>> -                   (u64)hose->pci_io->phys_start,
>> -                   (u64)(hose->pci_io->phys_start + hose->pci_io->size - 1));
>> -       }
>> +       if (hose->pci_mem)
>> +               pciauto_show_region("Memory", hose->pci_mem);
>> +       if (hose->pci_prefetch)
>> +               pciauto_show_region("Prefetchable Mem", hose->pci_mem);
>> +       if (hose->pci_io)
>> +               pciauto_show_region("I/O", hose->pci_io);
>>  }
>> --
>
> Regards,
> Bin

Regards,
Simon


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