Re: [PATCH 0/4] rtw88: Four fixes found while working on SDIO support

From: Sascha Hauer
Date: Wed Jan 04 2023 - 08:23:44 EST


On Thu, Dec 29, 2022 at 01:48:41PM +0100, Martin Blumenstingl wrote:
> This series consists of three patches which are fixing existing
> behavior (meaning: it either affects PCIe or USB or both) in the rtw88
> driver.
>
> The first change adds the packed attribute to the eFuse structs. This
> was spotted by Ping-Ke while reviewing the SDIO support patches from
> [0].
>
> The remaining three changes relate to locking (barrier hold) problems.
> We previously had discussed patches for this for SDIO support, but the
> problem never ocurred while testing USB cards. It turns out that these
> are still needed and I think that they also fix the same problems for
> USB users (it's not clear how often it happens there though).

Indeed I haven't stumbled over any of the issues you fix in this series.
I briefly looked into it and it might be that at least some of the code
paths are only used with beam forming support. Could it be that my
cheapo USB sticks do not support that?

For what it's worth, I gave this series a quick test and didn't see any
regressions, so:

Tested-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>

Sascha

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