netdev - RE: [PATCH v3 3/9] wifi: rtw88: mac: Support SDIO specific bits in the power on sequence

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Date:   Thu, 23 Mar 2023 02:27:24 +0000
From:   Ping-Ke Shih <pkshih@...ltek.com>
To:     Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>
CC:     Yan-Hsuan Chuang <tony0620emma@...il.com>,
        Kalle Valo <kvalo@...nel.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        Chris Morgan <macroalpha82@...il.com>,
        "Nitin Gupta" <nitin.gupta981@...il.com>,
        Neo Jou <neojou@...il.com>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Larry Finger <Larry.Finger@...inger.net>
Subject: RE: [PATCH v3 3/9] wifi: rtw88: mac: Support SDIO specific bits in the power on sequence



> -----Original Message-----
> From: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
> Sent: Tuesday, March 21, 2023 5:35 AM
> To: linux-wireless@...r.kernel.org
> Cc: Yan-Hsuan Chuang <tony0620emma@...il.com>; Kalle Valo <kvalo@...nel.org>; Ulf Hansson
> <ulf.hansson@...aro.org>; linux-kernel@...r.kernel.org; netdev@...r.kernel.org;
> linux-mmc@...r.kernel.org; Chris Morgan <macroalpha82@...il.com>; Nitin Gupta <nitin.gupta981@...il.com>;
> Neo Jou <neojou@...il.com>; Ping-Ke Shih <pkshih@...ltek.com>; Jernej Skrabec <jernej.skrabec@...il.com>;
> Larry Finger <Larry.Finger@...inger.net>; Martin Blumenstingl <martin.blumenstingl@...glemail.com>
> Subject: [PATCH v3 3/9] wifi: rtw88: mac: Support SDIO specific bits in the power on sequence
> 
> Add the code specific to SDIO HCI in the MAC power on sequence. This is
> based on the RTL8822BS and RTL8822CS vendor drivers.
> 
> Co-developed-by: Jernej Skrabec <jernej.skrabec@...il.com>
> Signed-off-by: Jernej Skrabec <jernej.skrabec@...il.com>
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>

Reviewed-by: Ping-Ke Shih <pkshih@...ltek.com>

> ---
> - add sdio.h include in patch 2 already (instead of patch 3) as
>   suggested by Larry Finger (thank you!) so the build doesn't break
>   during bisect
> - only set RTW_FLAG_POWERON when applying the power on sequence was
>   successful (thanks for the suggestion Ping-Ke!)
> - fix smatch false positive "uninitialized symbol 'imr'" in
>   rtw_mac_power_switch() by initializing imr to 0. Thanks for spotting
>   this and for the suggestion Ping-Ke!
> 
> Changes since v1:
> - only access REG_SDIO_HIMR for RTW_HCI_TYPE_SDIO
> - use proper BIT_HCI_SUS_REQ, BIT_HCI_RESUME_RDY and BIT_SDIO_PAD_E5
>   macros as suggested by Ping-Ke
> 
> 

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