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Re: [PATCH V2 3/8] brcmfmac: set SDIO F1 MesBusyCtrl for CYW4373

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To: Chi-Hsien Lin <Chi-Hsien.Lin@xxxxxxxxxxx>, "linux-wireless@xxxxxxxxxxxxxxx" <linux-wireless@xxxxxxxxxxxxxxx>
Subject: Re: [PATCH V2 3/8] brcmfmac: set SDIO F1 MesBusyCtrl for CYW4373
From: Arend van Spriel <arend.vanspriel@xxxxxxxxxxxx>
Date: Mon, 12 Nov 2018 10:13:07 +0100
Cc: "brcm80211-dev-list@xxxxxxxxxxxx" <brcm80211-dev-list@xxxxxxxxxxxx>, brcm80211-dev-list <brcm80211-dev-list@xxxxxxxxxxx>, Franky Lin <franky.lin@xxxxxxxxxxxx>, Hante Meuleman <hante.meuleman@xxxxxxxxxxxx>, Wright Feng <Wright.Feng@xxxxxxxxxxx>, Kalle Valo <kvalo@xxxxxxxxxxxxxx>, Madhan Mohan R <MadhanMohan.R@xxxxxxxxxxx>
In-reply-to: <1542007730-47284-4-git-send-email-chi-hsien.lin@cypress.com>
References: <1542007730-47284-1-git-send-email-chi-hsien.lin@cypress.com> <1542007730-47284-4-git-send-email-chi-hsien.lin@cypress.com>
User-agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0

On 11/12/2018 8:29 AM, Chi-Hsien Lin wrote:

From: Madhan Mohan R <MadhanMohan.R@xxxxxxxxxxx>

Along with F2 watermark (existing) configuration, F1 MesBusyCtrl
should be enabled & configured to avoid overflow errors.

I am a bit confused. Why is it necessary to program the watermark inboth SBSDIO_WATERMARK (0x10008) and SDSDIO_FUNC1_MESBUSYCTRL (0x1001D).

Looks suspicious to me.

Regards,
Arend

Follow-Ups:
- Re: [PATCH V2 3/8] brcmfmac: set SDIO F1 MesBusyCtrl for CYW4373
  - From: Madhan Mohan R

References:
- [PATCH V2 0/8] brcmfmac: chip related changes
  - From: Chi-Hsien Lin
- [PATCH V2 3/8] brcmfmac: set SDIO F1 MesBusyCtrl for CYW4373
  - From: Chi-Hsien Lin

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