Yesterdays kernel/git/kvalo/ath.git failes with COMPEX WLE600VX

Kalle Valo kvalo at qca.qualcomm.com
Fri Nov 20 03:34:48 PST 2015


Joerg Pommnitz <pommnitz at yahoo.com> writes:

> Hello all,
> Kalles current git tree fails to initialize my COMPEX WLE600VX. The kernel log shows
> [   16.373978] ath10k_pci 0000:05:00.0: failed to wake up device : -110
> [   16.374118] ath10k_pci: probe of 0000:05:00.0 failed with error -110

Can you send full dmesg, right from the beginning of the boot, please?
It might give some hints.

I have a similar problem in one of my laptop (lenovo thinkpad x230). The
patch below helps with that one, but I haven't investigated it more yet.

--- a/drivers/net/wireless/ath/ath10k/pci.c
+++ b/drivers/net/wireless/ath/ath10k/pci.c
@@ -2811,6 +2811,18 @@ static int ath10k_pci_claim(struct ath10k *ar)
 
        pci_set_drvdata(pdev, ar);
 
+       /*
+        * Without any knowledge of the Host, the Target may have been
reset or
+        * power cycled and its Config Space may no longer reflect the
PCI
+        * address space that was assigned earlier by the PCI
infrastructure.
+        * Refresh it now.
+        */
+       ret = pci_assign_resource(pdev, BAR_NUM);
+       if (ret) {
+               ath10k_err(ar, "failed to assign PCI space: %d\n", ret);
+               return ret;
+       }
+
        ret = pci_enable_device(pdev);
        if (ret) {
                ath10k_err(ar, "failed to enable pci device: %d\n",
                ret);


-- 
Kalle Valo



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