From patchwork Sun Nov 1 12:51:14 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ioana Ciornei X-Patchwork-Id: 315894 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,HK_RANDOM_FROM,INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8CCBBC4741F for ; Sun, 1 Nov 2020 12:53:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 469AF2085B for ; Sun, 1 Nov 2020 12:53:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="NLYlOGJV" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727026AbgKAMwz (ORCPT ); Sun, 1 Nov 2020 07:52:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38764 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726999AbgKAMwr (ORCPT ); Sun, 1 Nov 2020 07:52:47 -0500 Received: from mail-ed1-x542.google.com (mail-ed1-x542.google.com [IPv6:2a00:1450:4864:20::542]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EF3EFC061A48; Sun, 1 Nov 2020 04:52:46 -0800 (PST) Received: by mail-ed1-x542.google.com with SMTP id a15so2553785edy.1; Sun, 01 Nov 2020 04:52:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=dzOityyH9yb/DG7iNqmb4hgLSIqdku/w0btbjwH1wPA=; b=NLYlOGJVtEIdbm0u/Romnf6yluLP0u9kd02EDX0jClbQ6pRlwsoSk14KoEWObw1JUB 7M6omqVFCsbGFeVH5ik2T0tpei7F+xU8z1e3y0S/u7KGVAuA3wZVlOskQWjpriLnrspA FTbVHfWoa4GVVjkY7KdKu9MVIbQ3a8n4lwAT3FU7URt/iMTr7tPdooix7/eaqSI9+1Sh AkjvOY+xutm3jG9usUlrFxA5sUpadlCWnYbcAOxZ8SddJ+IUKjSNkbFz7VRh7vmlwggr EY/LxNGMNSF6/SlSXp4/9ujpSDeqbAkbNTyjI2kMeqhTSwIT2yWSFzfZHfYILgybfTRI vdfA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=dzOityyH9yb/DG7iNqmb4hgLSIqdku/w0btbjwH1wPA=; b=dKGK812R7LRlcMYMMQ1YQ1qvhevykeI1K8EkReZFjWyrJS2CFlCjTxNWSmZoqX2cT2 0TNHBp/x7qjKLoe+cWrbvEvCx4Y8kml/BekyMbC3o/Pp56Qb/jRA99Zqrw20i9o6om+Z w6eHxUM3x9/dicMaYrVwt85o+2dMTOAh4sNr3Xnka+eqGo4QGRAMxNXhCNTYA6Zy+l1J b5ShXzk8M+NJPtJencrCPzvU4RJTxc6jA9vbdipBltJtrLOftdG06pZsIwCg/UlmiYvL 36JU4Xvibe5AiGZnwXMLyvcznnalxewZXoaEooNevAgXTiJR1Y/PRT6yixfPjwsZn6ly bV5w== X-Gm-Message-State: AOAM532OSWnNmPXgAaqpz31ntZzOrS055vENTzC35x49+DsAYKxjwWeD wpMAm/G9nYQCWf8S71P0TxM= X-Google-Smtp-Source: ABdhPJzzICF1pd1IwRqYWI6Ozl/8575x5CgnH1zvea6J1yDcpuhvVWhTE6JXS8j4Q3Hh7IbB4k7lIA== X-Received: by 2002:aa7:da13:: with SMTP id r19mr11781242eds.20.1604235165698; Sun, 01 Nov 2020 04:52:45 -0800 (PST) Received: from yoga-910.localhost ([188.25.2.177]) by smtp.gmail.com with ESMTPSA id c5sm8133603edx.58.2020.11.01.04.52.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 01 Nov 2020 04:52:45 -0800 (PST) From: Ioana Ciornei To: Andrew Lunn , Heiner Kallweit , Russell King , Florian Fainelli , Jakub Kicinski , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Ioana Ciornei , Martin Blumenstingl , Willy Liu Subject: [PATCH net-next v2 19/19] net: phy: realtek: remove the use of .ack_interrupt() Date: Sun, 1 Nov 2020 14:51:14 +0200 Message-Id: <20201101125114.1316879-20-ciorneiioana@gmail.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201101125114.1316879-1-ciorneiioana@gmail.com> References: <20201101125114.1316879-1-ciorneiioana@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Ioana Ciornei In preparation of removing the .ack_interrupt() callback, we must replace its occurrences (aka phy_clear_interrupt), from the 2 places where it is called from (phy_enable_interrupts and phy_disable_interrupts), with equivalent functionality. This means that clearing interrupts now becomes something that the PHY driver is responsible of doing, before enabling interrupts and after clearing them. Make this driver follow the new contract. Cc: Martin Blumenstingl Cc: Willy Liu Signed-off-by: Ioana Ciornei --- Changes in v2: - none drivers/net/phy/realtek.c | 68 ++++++++++++++++++++++++++++++--------- 1 file changed, 52 insertions(+), 16 deletions(-) diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c index 820b4e8ef23a..231b32118054 100644 --- a/drivers/net/phy/realtek.c +++ b/drivers/net/phy/realtek.c @@ -108,24 +108,45 @@ static int rtl8211f_ack_interrupt(struct phy_device *phydev) static int rtl8201_config_intr(struct phy_device *phydev) { u16 val; + int err; + + if (phydev->interrupts == PHY_INTERRUPT_ENABLED) { + err = rtl8201_ack_interrupt(phydev); + if (err) + return err; - if (phydev->interrupts == PHY_INTERRUPT_ENABLED) val = BIT(13) | BIT(12) | BIT(11); - else + err = phy_write_paged(phydev, 0x7, RTL8201F_IER, val); + } else { val = 0; + err = phy_write_paged(phydev, 0x7, RTL8201F_IER, val); + if (err) + return err; + + err = rtl8201_ack_interrupt(phydev); + } - return phy_write_paged(phydev, 0x7, RTL8201F_IER, val); + return err; } static int rtl8211b_config_intr(struct phy_device *phydev) { int err; - if (phydev->interrupts == PHY_INTERRUPT_ENABLED) + if (phydev->interrupts == PHY_INTERRUPT_ENABLED) { + err = rtl821x_ack_interrupt(phydev); + if (err) + return err; + err = phy_write(phydev, RTL821x_INER, RTL8211B_INER_INIT); - else + } else { err = phy_write(phydev, RTL821x_INER, 0); + if (err) + return err; + + err = rtl821x_ack_interrupt(phydev); + } return err; } @@ -134,11 +155,20 @@ static int rtl8211e_config_intr(struct phy_device *phydev) { int err; - if (phydev->interrupts == PHY_INTERRUPT_ENABLED) + if (phydev->interrupts == PHY_INTERRUPT_ENABLED) { + err = rtl821x_ack_interrupt(phydev); + if (err) + return err; + err = phy_write(phydev, RTL821x_INER, RTL8211E_INER_LINK_STATUS); - else + } else { err = phy_write(phydev, RTL821x_INER, 0); + if (err) + return err; + + err = rtl821x_ack_interrupt(phydev); + } return err; } @@ -146,13 +176,25 @@ static int rtl8211e_config_intr(struct phy_device *phydev) static int rtl8211f_config_intr(struct phy_device *phydev) { u16 val; + int err; + + if (phydev->interrupts == PHY_INTERRUPT_ENABLED) { + err = rtl8211f_ack_interrupt(phydev); + if (err) + return err; - if (phydev->interrupts == PHY_INTERRUPT_ENABLED) val = RTL8211F_INER_LINK_STATUS; - else + err = phy_write_paged(phydev, 0xa42, RTL821x_INER, val); + } else { val = 0; + err = phy_write_paged(phydev, 0xa42, RTL821x_INER, val); + if (err) + return err; - return phy_write_paged(phydev, 0xa42, RTL821x_INER, val); + err = rtl8211f_ack_interrupt(phydev); + } + + return err; } static irqreturn_t rtl8201_handle_interrupt(struct phy_device *phydev) @@ -620,7 +662,6 @@ static struct phy_driver realtek_drvs[] = { }, { PHY_ID_MATCH_EXACT(0x001cc816), .name = "RTL8201F Fast Ethernet", - .ack_interrupt = &rtl8201_ack_interrupt, .config_intr = &rtl8201_config_intr, .handle_interrupt = rtl8201_handle_interrupt, .suspend = genphy_suspend, @@ -647,7 +688,6 @@ static struct phy_driver realtek_drvs[] = { }, { PHY_ID_MATCH_EXACT(0x001cc912), .name = "RTL8211B Gigabit Ethernet", - .ack_interrupt = &rtl821x_ack_interrupt, .config_intr = &rtl8211b_config_intr, .handle_interrupt = rtl821x_handle_interrupt, .read_mmd = &genphy_read_mmd_unsupported, @@ -667,7 +707,6 @@ static struct phy_driver realtek_drvs[] = { }, { PHY_ID_MATCH_EXACT(0x001cc914), .name = "RTL8211DN Gigabit Ethernet", - .ack_interrupt = rtl821x_ack_interrupt, .config_intr = rtl8211e_config_intr, .handle_interrupt = rtl821x_handle_interrupt, .suspend = genphy_suspend, @@ -678,7 +717,6 @@ static struct phy_driver realtek_drvs[] = { PHY_ID_MATCH_EXACT(0x001cc915), .name = "RTL8211E Gigabit Ethernet", .config_init = &rtl8211e_config_init, - .ack_interrupt = &rtl821x_ack_interrupt, .config_intr = &rtl8211e_config_intr, .handle_interrupt = rtl821x_handle_interrupt, .suspend = genphy_suspend, @@ -689,7 +727,6 @@ static struct phy_driver realtek_drvs[] = { PHY_ID_MATCH_EXACT(0x001cc916), .name = "RTL8211F Gigabit Ethernet", .config_init = &rtl8211f_config_init, - .ack_interrupt = &rtl8211f_ack_interrupt, .config_intr = &rtl8211f_config_intr, .handle_interrupt = rtl8211f_handle_interrupt, .suspend = genphy_suspend, @@ -739,7 +776,6 @@ static struct phy_driver realtek_drvs[] = { * irq is requested and ACKed by reading the status register, * which is done by the irqchip code. */ - .ack_interrupt = genphy_no_ack_interrupt, .config_intr = genphy_no_config_intr, .handle_interrupt = genphy_handle_interrupt_no_ack, .suspend = genphy_suspend,