On Sun, 3 Jan 2021 at 15:05, Phil Sutter wrote:
>
> On my DS414, some PCI devices return odd values when probing BAR sizes.
> An obvious case is all-ones response, the Linux driver
> (drivers/pci/probe.c) catches those explicitly and a comment explains
> that either bit 0 or bit 1 must be clear (d
Adding a few more PCI experts (Simon & Bin) to Cc.
On 03.01.21 23:06, Phil Sutter wrote:
On my DS414, some PCI devices return odd values when probing BAR sizes.
An obvious case is all-ones response, the Linux driver
(drivers/pci/probe.c) catches those explicitly and a comment explains
that eithe
On my DS414, some PCI devices return odd values when probing BAR sizes.
An obvious case is all-ones response, the Linux driver
(drivers/pci/probe.c) catches those explicitly and a comment explains
that either bit 0 or bit 1 must be clear (depending on MEM or IO type).
Other BARs return e.g. 0xfff00
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