From patchwork Wed Feb 26 10:09:18 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Chevallier X-Patchwork-Id: 13991982 X-Patchwork-Delegate: kuba@kernel.org Received: from relay7-d.mail.gandi.net (relay7-d.mail.gandi.net [217.70.183.200]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5EC532459D8; Wed, 26 Feb 2025 10:09:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.200 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740564581; cv=none; b=gC40xFTdTZMBTrjfeT0779Z2NIpYCks8los/DPzvE48prfQB79t6vqAgi+SDTRsHFofcydOTlaphJLE/HxY/zXONoPRa1UAyodLIIFn1CuNLQBMWrSoyDhMHvFm61L8X/SnryTjnFmvTCQccn9zQN79m3wBT75BF828kHLYqVZA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740564581; c=relaxed/simple; bh=11efVofafcjVEaBggcqnja9cqBWEgy3Pg6XbORSM1Jk=; 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d=bootlin.com; s=gm1; t=1740564577; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=vV93BVjZroPC5dy6gUgFd7slydBGTPFoWoDWa15NRmw=; b=JrdzE456EF3U0jCJy0Uk1cC8g6cdeiscZYhUc/pot+8AOEuLQuNXkGS1u92CEsyQEenCYX BpdWq5FwYhZ8Tj8U/+I8MBveZf4jfTMmteFG/tOXUhggG+hs7uLAEQUt+L1xrWaN0r9V+J F434FU+ZIq0qD9WIpMm7OsSmhl1bjo/nAXPFazch7Tc5I065zwhtE+g857BO9ODKVaX4k9 FRN8YuAaZjZQQEF6ewUsRsIFR12wSrRi9rln9BxjY02x/R9ZwxLSo9O8Wj1PES41WQis7D WOBNS8d5E4qELF/eazbGF04jB5hl8ywf9x8UqLLJ/sVgvu+DvFzc3o39uNQJGw== From: Maxime Chevallier To: davem@davemloft.net, Andrew Lunn , Jakub Kicinski , Eric Dumazet , Paolo Abeni , Russell King , Heiner Kallweit Cc: Maxime Chevallier , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, thomas.petazzoni@bootlin.com, linux-arm-kernel@lists.infradead.org, Christophe Leroy , Herve Codina , Florian Fainelli , Vladimir Oltean , =?utf-8?q?K=C3=B6ry_Maincent?= , Oleksij Rempel , Simon Horman , Romain Gantois Subject: [PATCH net-next v2 03/13] net: phy: phy_caps: Move phy_speeds to phy_caps Date: Wed, 26 Feb 2025 11:09:18 +0100 Message-ID: <20250226100929.1646454-4-maxime.chevallier@bootlin.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250226100929.1646454-1-maxime.chevallier@bootlin.com> References: <20250226100929.1646454-1-maxime.chevallier@bootlin.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-GND-State: clean X-GND-Score: -100 X-GND-Cause: gggruggvucftvghtrhhoucdtuddrgeefvddrtddtgdekgeeftdcutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfitefpfffkpdcuggftfghnshhusghstghrihgsvgenuceurghilhhouhhtmecufedtudenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhephffvvefufffkofgjfhgggfestdekredtredttdenucfhrhhomhepofgrgihimhgvucevhhgvvhgrlhhlihgvrhcuoehmrgigihhmvgdrtghhvghvrghllhhivghrsegsohhothhlihhnrdgtohhmqeenucggtffrrghtthgvrhhnpeevgedtffelffelveeuleelgfejfeevvdejhfehgeefgfffvdefteegvedutefftdenucfkphepvdgrtddumegtsgduleemkegugegtmeelfhdttdemsggtvddumeekkeelleemheegtdgtmegvheelvgenucevlhhushhtvghrufhiiigvpedunecurfgrrhgrmhepihhnvghtpedvrgdtudemtggsudelmeekugegtgemlehftddtmegstgdvudemkeekleelmeehgedttgemvgehlegvpdhhvghlohepfhgvughorhgrrdhhohhmvgdpmhgrihhlfhhrohhmpehmrgigihhmvgdrtghhvghvrghllhhivghrsegsohhothhlihhnrdgtohhmpdhnsggprhgtphhtthhopedvtddprhgtphhtthhopegurghvvghmsegurghvvghmlhhofhhtrdhnvghtpdhrtghpthhtoheprghnughrvgifsehluhhnnhdrtghhpdhrtghpthhtohepkhhusggrsehkvghrnhgvlhdrohhrghdprhgtphhtthhopegvughumhgri igvthesghhoohhglhgvrdgtohhmpdhrtghpthhtohepphgrsggvnhhisehrvgguhhgrthdrtghomhdprhgtphhtthhopehlihhnuhigsegrrhhmlhhinhhugidrohhrghdruhhkpdhrtghpthhtohephhhkrghllhifvghithdusehgmhgrihhlrdgtohhmpdhrtghpthhtohepmhgrgihimhgvrdgthhgvvhgrlhhlihgvrhessghoohhtlhhinhdrtghomh X-GND-Sasl: maxime.chevallier@bootlin.com X-Patchwork-Delegate: kuba@kernel.org Use the newly introduced link_capabilities array to derive the list of possible speeds when given a combination of linkmodes. As link_capabilities is indexed by speed, we don't have to iterate the whole phy_settings array. Signed-off-by: Maxime Chevallier --- V1 -> V2: - No changes drivers/net/phy/phy-caps.h | 3 +++ drivers/net/phy/phy-core.c | 15 --------------- drivers/net/phy/phy.c | 3 ++- drivers/net/phy/phy_caps.c | 27 +++++++++++++++++++++++++++ include/linux/phy.h | 2 -- 5 files changed, 32 insertions(+), 18 deletions(-) diff --git a/drivers/net/phy/phy-caps.h b/drivers/net/phy/phy-caps.h index 846d483269f6..f8cdfdb09242 100644 --- a/drivers/net/phy/phy-caps.h +++ b/drivers/net/phy/phy-caps.h @@ -41,4 +41,7 @@ struct link_capabilities { void phy_caps_init(void); +size_t phy_caps_speeds(unsigned int *speeds, size_t size, + unsigned long *linkmodes); + #endif /* __PHY_CAPS_H */ diff --git a/drivers/net/phy/phy-core.c b/drivers/net/phy/phy-core.c index b1c1670de23b..8533e57c3500 100644 --- a/drivers/net/phy/phy-core.c +++ b/drivers/net/phy/phy-core.c @@ -339,21 +339,6 @@ phy_lookup_setting(int speed, int duplex, const unsigned long *mask, bool exact) } EXPORT_SYMBOL_GPL(phy_lookup_setting); -size_t phy_speeds(unsigned int *speeds, size_t size, - unsigned long *mask) -{ - size_t count; - int i; - - for (i = 0, count = 0; i < ARRAY_SIZE(settings) && count < size; i++) - if (settings[i].bit < __ETHTOOL_LINK_MODE_MASK_NBITS && - test_bit(settings[i].bit, mask) && - (count == 0 || speeds[count - 1] != settings[i].speed)) - speeds[count++] = settings[i].speed; - - return count; -} - static void __set_linkmode_max_speed(u32 max_speed, unsigned long *addr) { const struct phy_setting *p; diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 16ffc00b419c..3128df03feda 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -37,6 +37,7 @@ #include #include "phylib-internal.h" +#include "phy-caps.h" #define PHY_STATE_TIME HZ @@ -245,7 +246,7 @@ unsigned int phy_supported_speeds(struct phy_device *phy, unsigned int *speeds, unsigned int size) { - return phy_speeds(speeds, size, phy->supported); + return phy_caps_speeds(speeds, size, phy->supported); } /** diff --git a/drivers/net/phy/phy_caps.c b/drivers/net/phy/phy_caps.c index 367ca7110ddc..e5c716365b36 100644 --- a/drivers/net/phy/phy_caps.c +++ b/drivers/net/phy/phy_caps.c @@ -76,3 +76,30 @@ void phy_caps_init(void) __set_bit(i, link_caps[capa].linkmodes); } } + +/** + * phy_caps_speeds() - Fill an array of supported SPEED_* values for given modes + * @speeds: Output array to store the speeds list into + * @size: Size of the output array + * @linkmodes: Linkmodes to get the speeds from + * + * Fills the speeds array with all possible speeds that can be achieved with + * the specified linkmodes. + * + * Returns: The number of speeds filled into the array. If the input array isn't + * big enough to store all speeds, fill it as much as possible. + */ +size_t phy_caps_speeds(unsigned int *speeds, size_t size, + unsigned long *linkmodes) +{ + size_t count; + int capa; + + for (capa = 0, count = 0; capa < __LINK_CAPA_MAX && count < size; capa++) { + if (linkmode_intersects(link_caps[capa].linkmodes, linkmodes) && + (count == 0 || speeds[count - 1] != link_caps[capa].speed)) + speeds[count++] = link_caps[capa].speed; + } + + return count; +} diff --git a/include/linux/phy.h b/include/linux/phy.h index 7bfbae51070a..5749aad96862 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -1322,8 +1322,6 @@ struct phy_setting { const struct phy_setting * phy_lookup_setting(int speed, int duplex, const unsigned long *mask, bool exact); -size_t phy_speeds(unsigned int *speeds, size_t size, - unsigned long *mask); /** * phy_is_started - Convenience function to check whether PHY is started