ExternalVendorCode/genode
1
0
Fork 0
mirror of https://github.com/genodelabs/genode.git synced 2025-02-21 10:01:57 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

wifi_drv: look for PCI_CLASS_NETWORK_OTHER only

Browse Source 
Instead of probing all device on the PCI bus just look for devices
matching PCI_CLASS_NETWORK_OTHER. This fixes issues with other devices
on the PCI bus, e.g. the GPU, when access their extended config space.

Related to #1326.
This commit is contained in:
Josef Söntgen 2014-12-16 13:46:53 +01:00 committed by Christian Helmuth
parent 183a2c1be6
commit 9ed935ff2a
1 changed files with 12 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
repos/dde_linux/src/lib/wifi/pci_driver.cc
View File

@ -270,6 +270,15 @@ extern "C" int pci_register_driver(struct pci_driver *drv)
using namespace Genode; using namespace Genode;
enum {
PCI_CLASS_MASK = 0xfff000,
/**
* This is actually PCI_CLASS_NETWORK_OTHER and may only work
* for the iwlwifi driver.
*/
PCI_CLASS_WIFI = 0x028000,
};
unsigned found = 0; unsigned found = 0;
while (id->device) { while (id->device) {
@ -278,8 +287,8 @@ extern "C" int pci_register_driver(struct pci_driver *drv)
continue; continue;
} }
Pci::Device_capability cap = pci()->first_device(id->class_, Pci::Device_capability cap = pci()->first_device(PCI_CLASS_WIFI,
id->class_mask); PCI_CLASS_MASK);
while (cap.valid()) { while (cap.valid()) {
Pci_driver *pci_drv = 0; Pci_driver *pci_drv = 0;
@ -308,7 +317,7 @@ extern "C" int pci_register_driver(struct pci_driver *drv)
break; break;
Pci::Device_capability free_up = cap; Pci::Device_capability free_up = cap;
cap = pci()->next_device(cap, id->class_, id->class_mask); cap = pci()->next_device(cap, PCI_CLASS_WIFI, PCI_CLASS_MASK);
if (!pci_drv) if (!pci_drv)
pci()->release_device(free_up); pci()->release_device(free_up);
} }