svn commit: r362285 - head/sys/dev/pci

Jessica Clarke jrtc27 at freebsd.org
Thu Jun 18 12:48:48 UTC 2020


On 18 Jun 2020, at 13:23, Ed Maste <emaste at freebsd.org> wrote:
> On Wed, 17 Jun 2020 at 15:56, Andrew Turner <andrew at freebsd.org> wrote:
>> 
>> Author: andrew
>> Date: Wed Jun 17 19:56:17 2020
>> New Revision: 362285
>> URL: https://svnweb.freebsd.org/changeset/base/362285
>> 
>> Log:
>>  Clean up the pci host generic driver
> ...
>> 
>> +       /* Translate the address from a PCI address to a physical address */
>> +       switch (type) {
>> +       case SYS_RES_IOPORT:
>> +       case SYS_RES_MEMORY:
>> +               found = false;
>> +               for (i = 0; i < MAX_RANGES_TUPLES; i++) {
>> +                       pci_base = sc->ranges[i].pci_base;
>> +                       phys_base = sc->ranges[i].phys_base;
>> +                       size = sc->ranges[i].size;
>> +
>> +                       if (start < pci_base || start >= pci_base + size)
>> +                               continue;
> 
> Should the second condition be end instead? markj had this comment on
> the old version in review D20884.

The code previously had:

> if ((rman_get_start(r) >= pci_base) && (rman_get_start(r) < (pci_base + size)))
> 	found = 1;
> 	break;
> }

The new code is just the inverted form of that.

Jess



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