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Date: Sun, 24 Apr 2022 10:22:24 +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 v3] brcmfmac: of: introduce new property to allow disable PNO From: Hermes Zhang <chenhuiz@...s.com> Some versions of the Broadcom firmware for this chip seem to hang if the PNO feature is enabled when connecting to a dummy or non-existent AP. Add a new property to allow the disabling of PNO for devices with this specific firmware. Signed-off-by: Hermes Zhang <chenhuiz@...s.com> --- Notes: Comments update 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
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