[PATCH ath-next] wifi: ath12k: restore register window after global reset
Jeff Johnson
jeff.johnson at oss.qualcomm.com
Fri Oct 24 07:47:02 PDT 2025
On Fri, 17 Oct 2025 10:36:36 +0800, Baochen Qiang wrote:
> Hardware target implements an address space larger than that PCI BAR can
> map. In order to be able to access the whole target address space, the
> BAR space is split into 4 segments, of which the last 3, called windows,
> can be dynamically mapped to the desired area. This is achieved by
> updating WINDOW_REG_ADDRESS register with appropriate window value.
> Currently each time when accessing a register that beyond WINDOW_START,
> host calculates the window value and caches it after window update,
> this way next time when accessing a register falling in the same window,
> host knows that the window is already good hence no additional update
> needed.
>
> [...]
Applied, thanks!
[1/1] wifi: ath12k: restore register window after global reset
commit: a41281f6518e485220d180a6031d302a736fc463
Best regards,
--
Jeff Johnson <jeff.johnson at oss.qualcomm.com>
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