linux-kernel - Re: [PATCH 1/7] wifi: rtlwifi: Convert LNKCTL change to PCIe cap RMW accessors

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Date:   Wed, 22 Nov 2023 14:54:36 +0000 (UTC)
From:   Kalle Valo <kvalo@...nel.org>
To:     Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Cc:     "John W. Linville" <linville@...driver.com>,
        Larry Finger <Larry.Finger@...inger.net>,
        linux-wireless@...r.kernel.org, Ping-Ke Shih <pkshih@...ltek.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        linux-kernel@...r.kernel.org,
        Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Subject: Re: [PATCH 1/7] wifi: rtlwifi: Convert LNKCTL change to PCIe cap RMW
 accessors

Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com> wrote:

> The rtlwifi driver comes with custom code to write into PCIe Link
> Control register. RMW access for the Link Control register requires
> locking that is already provided by the standard PCIe capability
> accessors.
> 
> Convert the custom RMW code writing into LNKCTL register to standard
> RMW capability accessors. The accesses are changed to cover the full
> LNKCTL register instead of touching just a single byte of the register.
> 
> After custom LNKCTL access code is removed, .num4bytes in the struct
> mp_adapter is no longer needed.
> 
> Fixes: 0c8173385e54 ("rtl8192ce: Add new driver")
> Fixes: 886e14b65a8f ("rtlwifi: Eliminate raw reads and writes from PCIe portion")
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>

In the next version please add "wifi:" to the title for patches 3-7.

7 patches set to Changes Requested.

13458674 [1/7] wifi: rtlwifi: Convert LNKCTL change to PCIe cap RMW accessors
13458675 [2/7] wifi: rtlwifi: Convert to use PCIe capability accessors
13458676 [3/7] rtlwifi: rtl8821ae: Remove unnecessary PME_Status bit set
13458677 [4/7] rtlwifi: rtl8821ae: Reverse PM capability exists check
13458706 [5/7] rtlwifi: rtl8821ae: Use pci_find_capability()
13458678 [6/7] rtlwifi: rtl8821ae: Add pdev into _rtl8821ae_clear_pci_pme_status()
13458705 [7/7] rtlwifi: rtl8821ae: Access full PMCS reg and use pci_regs.h

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20231117094425.80477-2-ilpo.jarvinen@linux.intel.com/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches