linux-kernel - [PATCH v2] brcm: Add a link to enable khadas VIM2's WiFi

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Message-Id: <20210429072502.4350-1-jhp@endlessos.org>
Date:   Thu, 29 Apr 2021 15:25:03 +0800
From:   Jian-Hong Pan <jhp@...lessos.org>
To:     Rafał Miłecki <zajec5@...il.com>,
        linux-firmware@...nel.org
Cc:     linux-wireless@...r.kernel.org,
        brcm80211-dev-list.pdl@...adcom.com,
        SHA-cyfmac-dev-list@...ineon.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux@...lessos.org,
        Jian-Hong Pan <jhp@...lessos.org>
Subject: [PATCH v2] brcm: Add a link to enable khadas VIM2's WiFi

According to kernel message on khadas VIM2 board equipped with BCM4356:

brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac4356-sdio for chip BCM4356/2
usbcore: registered new interface driver brcmfmac
brcmfmac mmc0:0001:1: Direct firmware load for brcm/brcmfmac4356-sdio.khadas,vim2.txt failed with error -2
brcmfmac mmc0:0001:1: Direct firmware load for brcm/brcmfmac4356-sdio.txt failed with error -2

System needs the NVRAM file "brcmfmac4356-sdio.khadas,vim2.txt" to
enable the WiFi chip BCM4356. Found it can share with the same file
"brcmfmac4356-sdio.vamrs,rock960.txt" with a soft link as
"brcmfmac4356-sdio.khadas,vim2.txt". Both 2.4GHz and 5GHz WiFi are
enabled with the linked config.

This patch adds the link to brcmfmac4356-sdio.vamrs,rock960.txt for it.

Signed-off-by: Jian-Hong Pan <jhp@...lessos.org>
---
v2: Modified the commit description.

 WHENCE | 1 +
 1 file changed, 1 insertion(+)

diff --git a/WHENCE b/WHENCE
index 3c29304..5773020 100644
--- a/WHENCE
+++ b/WHENCE
@@ -2780,6 +2780,7 @@ Link: brcm/brcmfmac43455-sdio.Raspberry\ Pi\ Foundation-Raspberry\ Pi\ Compute\
 File: "brcm/brcmfmac43455-sdio.MINIX-NEO Z83-4.txt"
 File: "brcm/brcmfmac4356-pcie.gpd-win-pocket.txt"
 File: brcm/brcmfmac4356-sdio.vamrs,rock960.txt
+Link: brcm/brcmfmac4356-sdio.khadas,vim2.txt -> brcmfmac4356-sdio.vamrs,rock960.txt
 
 Licence: GPLv2. See GPL-2 for details.
 
-- 
2.31.1