UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

staging: mt7621-pci: add clarification comment in 'mt7621_pcie_init_virtual_bridges' 

Add a comment explaining a bit what is going on in this function.
It would be helfulp for other people for a better understanding
of the code.

Suggested-by: NeilBrown <neil@brown.name>
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://lore.kernel.org/r/20200413155018.31921-2-sergio.paracuellos@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sergio Paracuellos 2020-04-13 17:50:17 +02:00 committed by Greg Kroah-Hartman
parent 535bd126d6
commit cddc585ec9
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/staging/mt7621-pci/pci-mt7621.c
View File

@ -622,6 +622,11 @@ static int mt7621_pcie_init_virtual_bridges(struct mt7621_pcie *pcie)
if (pcie_link_status == 0)
return -1;
/*
* Assign device numbers from zero to the enabled ports,
* then assigning remaining device numbers to any disabled
* ports.
*/
n = 0;
for (i = 0; i < PCIE_P2P_CNT; i++)
if (pcie_link_status & BIT(i))