On Tue, 3 Feb 2026 15:17:28 +0800 Tianhao Zhang <[email protected]> wrote:
> After obtaining the DTB element register, check if the PCIe link is abnormal. > > Signed-off-by: Tianhao Zhang <[email protected]> > --- Ok, but the commit message is too terse. How about? Check for PCIe BAR failure after reading the DTB queue buffer space register. A value of 0x3F in the low bits indicates the link is down. Also return a specific error code for DTB timeout instead of the generic ZXDH_ERR. I can fix during merge.

