[lkml]   [2021]   [Jun]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH v5 5/7] PCI: Add support for a function level reset based on _RST method
Hi Bjorn,

On 6/5/21 3:53 PM, Bjorn Helgaas wrote:
> This is a little sketchy. We shouldn't be doing device config stuff
> after device_add() because that's when it becomes available for
> drivers to bind to the device. If we do anything with the device
> after that point, we may interfere with a driver.
> I think the problem is that we don't call acpi_bind_one() until
> device_add(). There's some hackery in pci-acpi.c to deal with a
> similar problem for something else -- see acpi_pci_bridge_d3().

Thanks for pointing to reference code. I've added a new patch for setting
ACPI_COMPANION before device_add(). Please review the updated patch
series v7 'Expose and manage PCI device reset' and provide feedback.


 \ /
  Last update: 2021-06-09 14:52    [W:0.156 / U:0.764 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site