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Message-ID: <20231017025358.1773598-4-Jun.Ma2@amd.com> Date: Tue, 17 Oct 2023 10:53:52 +0800 From: Ma Jun <Jun.Ma2@....com> To: <amd-gfx@...ts.freedesktop.org>, <lenb@...nel.org>, <johannes@...solutions.net>, <davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>, <alexander.deucher@....com>, <Lijo.Lazar@....com>, <mario.limonciello@....com> CC: <majun@....com>, <netdev@...r.kernel.org>, <linux-wireless@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <linux-doc@...r.kernel.org>, <platform-driver-x86@...r.kernel.org>, Evan Quan <quanliangl@...mail.com>, Ma Jun <Jun.Ma2@....com> Subject: [PATCH v12 3/9] cfg80211: expose nl80211_chan_width_to_mhz for wide sharing From: Evan Quan <quanliangl@...mail.com> The newly added WBRF feature needs this interface for channel width calculation. Signed-off-by: Ma Jun <Jun.Ma2@....com> Signed-off-by: Evan Quan <quanliangl@...mail.com> -- v8->v9: - correct typo(Mhz -> MHz) (Johnson) --- include/net/cfg80211.h | 8 ++++++++ net/wireless/chan.c | 3 ++- 2 files changed, 10 insertions(+), 1 deletion(-) diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index d6fa7c8767ad..026d91083f37 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -923,6 +923,14 @@ const struct cfg80211_chan_def * cfg80211_chandef_compatible(const struct cfg80211_chan_def *chandef1, const struct cfg80211_chan_def *chandef2); +/** + * nl80211_chan_width_to_mhz - get the channel width in MHz + * @chan_width: the channel width from &enum nl80211_chan_width + * Return: channel width in MHz if the chan_width from &enum nl80211_chan_width + * is valid. -1 otherwise. + */ +int nl80211_chan_width_to_mhz(enum nl80211_chan_width chan_width); + /** * cfg80211_chandef_valid - check if a channel definition is valid * @chandef: the channel definition to check diff --git a/net/wireless/chan.c b/net/wireless/chan.c index 0b7e81db383d..227db04eac42 100644 --- a/net/wireless/chan.c +++ b/net/wireless/chan.c @@ -141,7 +141,7 @@ static bool cfg80211_edmg_chandef_valid(const struct cfg80211_chan_def *chandef) return true; } -static int nl80211_chan_width_to_mhz(enum nl80211_chan_width chan_width) +int nl80211_chan_width_to_mhz(enum nl80211_chan_width chan_width) { int mhz; @@ -190,6 +190,7 @@ static int nl80211_chan_width_to_mhz(enum nl80211_chan_width chan_width) } return mhz; } +EXPORT_SYMBOL(nl80211_chan_width_to_mhz); static int cfg80211_chandef_get_width(const struct cfg80211_chan_def *c) { -- 2.34.1
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