linux-kernel - [PATCH v2] brcmfmac: of: introduce new property to allow disable PNO

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Message-ID: <20220422044419.3415842-1-chenhui.zhang@axis.com>
Date:   Fri, 22 Apr 2022 12:44:18 +0800
From:   Hermes Zhang <chenhui.zhang@...s.com>
To:     Arend van Spriel <aspriel@...il.com>,
        Franky Lin <franky.lin@...adcom.com>,
        Hante Meuleman <hante.meuleman@...adcom.com>,
        Kalle Valo <kvalo@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        "Jakub Kicinski" <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>
CC:     <kernel@...s.com>, Hermes Zhang <chenhuiz@...s.com>,
        <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>
Subject: [PATCH v2] brcmfmac: of: introduce new property to allow disable PNO

From: Hermes Zhang <chenhuiz@...s.com>

The PNO feature need to be disable for some scenario in different
product. This commit introduce a new property to allow the
product-specific toggling of this feature.

Signed-off-by: Hermes Zhang <chenhuiz@...s.com>
---

Notes:
    Change property name to brcm,pno-disable

 drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c
index 8623bde5eb70..121a195e4054 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c
@@ -11,6 +11,7 @@
 #include "core.h"
 #include "common.h"
 #include "of.h"
+#include "feature.h"
 
 static int brcmf_of_get_country_codes(struct device *dev,
 				      struct brcmf_mp_device *settings)
@@ -102,6 +103,9 @@ void brcmf_of_probe(struct device *dev, enum brcmf_bus_type bus_type,
 	if (bus_type != BRCMF_BUSTYPE_SDIO)
 		return;
 
+	if (of_find_property(np, "brcm,pno-disable", NULL))
+		settings->feature_disable |= BIT(BRCMF_FEAT_PNO);
+
 	if (of_property_read_u32(np, "brcm,drive-strength", &val) == 0)
 		sdio->drive_strength = val;
 
-- 
2.30.2