From patchwork Sun Nov 1 12:51:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ioana Ciornei X-Patchwork-Id: 11872017 X-Patchwork-Delegate: kuba@kernel.org 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 0442DC55178 for ; Sun, 1 Nov 2020 12:54:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9ED4220719 for ; Sun, 1 Nov 2020 12:54:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="eCfQjOpR" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727129AbgKAMy3 (ORCPT ); Sun, 1 Nov 2020 07:54:29 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38724 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726889AbgKAMwk (ORCPT ); Sun, 1 Nov 2020 07:52:40 -0500 Received: from mail-ed1-x543.google.com (mail-ed1-x543.google.com [IPv6:2a00:1450:4864:20::543]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0A0C6C0617A6; Sun, 1 Nov 2020 04:52:38 -0800 (PST) Received: by mail-ed1-x543.google.com with SMTP id p93so11345467edd.7; Sun, 01 Nov 2020 04:52:37 -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=Zw4rs+DFNR/S9FRYseki/k8zysIGgEtxoZqA3FOwSMk=; b=eCfQjOpRxgLX+uM/hBjFB2J9e0irz1THD71LDjg9KUfh2A/1Gn6u0+1QxZlvBRTG67 lzyPXqJIRpIAPWEjhrVQ/SmxWZt4NolQlfbBa+E898gYObkG3bVpNdEQTjW3MSBSdyS9 H8wFrmWledDuMrBoq6PHITNUfBxBDgemrHj6AGeLNsEifwW3JHzi2XbI3YjF6DnXhU23 f6iFbH/foDS1uIYy9irenDTzDj265XTYAZCHsMxP5mI0yaY9ghZQYrcx38qYF7NEno/d +RBY1ONxvbFBRPSJaP3z0Zv1EgaWKcORL2sMUwSOVhlNzCvX8OPmXigpIkc39O7uiGX1 nY4w== 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=Zw4rs+DFNR/S9FRYseki/k8zysIGgEtxoZqA3FOwSMk=; b=CY85BOOaLBpiA9BTzIre55mZEzTeuCOsS1sI727UR4Z9w2ubna7bis++GhR7upRFjL 8ALXP1bwW7najM3i7BheGWNjgQCyc3OZNBy1tAR/b9ftpYD9WRLESZz9x4OO0z8hrPGn kfiPpyrZIbQ91hrnebZmjagIxtJ/+q1GKVoaCwgxAMz2V2y0qOF3gm2lz/ScJdkdY1nr UkN6fWRsVgx8rVA+5E04+a7BT+Yk/n1C9cyheVTgqaIHOXT1v3zOd0LfeoZ4lOuwpnoD mTjXsHNzmxWSY5hjXySkMcB7sSW+fJwmW8bQ7cOuRAaxpYID9Pm/Pe7HmYFT/YaqU0m5 wDdg== X-Gm-Message-State: AOAM533/HiNFrtDnX6PZXAJBkNdd+sz6E7eJ4IRHb2rWBiVJs2K83RR+ R/x8O5Y/dOHLWqp+6m5hmL4= X-Google-Smtp-Source: ABdhPJwQShQbLCnBXavFMfeh+qYouFdGhjsc9piFLXudriKupWMzQCy7cbJ7oXb4zUEOgHm1z9CyWg== X-Received: by 2002:aa7:dc09:: with SMTP id b9mr778405edu.285.1604235156751; Sun, 01 Nov 2020 04:52:36 -0800 (PST) Received: from yoga-910.localhost ([188.25.2.177]) by smtp.gmail.com with ESMTPSA id c5sm8133603edx.58.2020.11.01.04.52.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 01 Nov 2020 04:52:36 -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 , Michael Walle Subject: [PATCH net-next v2 12/19] net: phy: broadcom: remove use of ack_interrupt() Date: Sun, 1 Nov 2020 14:51:07 +0200 Message-Id: <20201101125114.1316879-13-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 X-Patchwork-Delegate: kuba@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: Michael Walle Cc: Florian Fainelli Signed-off-by: Ioana Ciornei --- Changes in v2: - none drivers/net/phy/bcm-cygnus.c | 1 - drivers/net/phy/bcm-phy-lib.c | 18 ++++++++++++++---- drivers/net/phy/bcm54140.c | 20 +++++++++++++++----- drivers/net/phy/bcm63xx.c | 18 +++++++++++++----- drivers/net/phy/bcm87xx.c | 34 +++++++++++++--------------------- drivers/net/phy/broadcom.c | 34 +++++++++++++--------------------- 6 files changed, 68 insertions(+), 57 deletions(-) diff --git a/drivers/net/phy/bcm-cygnus.c b/drivers/net/phy/bcm-cygnus.c index a236e0b8d04d..da8f7cb41b44 100644 --- a/drivers/net/phy/bcm-cygnus.c +++ b/drivers/net/phy/bcm-cygnus.c @@ -256,7 +256,6 @@ static struct phy_driver bcm_cygnus_phy_driver[] = { .name = "Broadcom Cygnus PHY", /* PHY_GBIT_FEATURES */ .config_init = bcm_cygnus_config_init, - .ack_interrupt = bcm_phy_ack_intr, .config_intr = bcm_phy_config_intr, .handle_interrupt = bcm_phy_handle_interrupt, .suspend = genphy_suspend, diff --git a/drivers/net/phy/bcm-phy-lib.c b/drivers/net/phy/bcm-phy-lib.c index c232fcfe0e20..53282a6d5928 100644 --- a/drivers/net/phy/bcm-phy-lib.c +++ b/drivers/net/phy/bcm-phy-lib.c @@ -181,18 +181,28 @@ EXPORT_SYMBOL_GPL(bcm_phy_ack_intr); int bcm_phy_config_intr(struct phy_device *phydev) { - int reg; + int reg, err; reg = phy_read(phydev, MII_BCM54XX_ECR); if (reg < 0) return reg; - if (phydev->interrupts == PHY_INTERRUPT_ENABLED) + if (phydev->interrupts == PHY_INTERRUPT_ENABLED) { + err = bcm_phy_ack_intr(phydev); + if (err) + return err; + reg &= ~MII_BCM54XX_ECR_IM; - else + err = phy_write(phydev, MII_BCM54XX_ECR, reg); + } else { reg |= MII_BCM54XX_ECR_IM; + err = phy_write(phydev, MII_BCM54XX_ECR, reg); + if (err) + return err; - return phy_write(phydev, MII_BCM54XX_ECR, reg); + err = bcm_phy_ack_intr(phydev); + } + return err; } EXPORT_SYMBOL_GPL(bcm_phy_config_intr); diff --git a/drivers/net/phy/bcm54140.c b/drivers/net/phy/bcm54140.c index 36c899a88c5d..d8f3024860dc 100644 --- a/drivers/net/phy/bcm54140.c +++ b/drivers/net/phy/bcm54140.c @@ -681,7 +681,7 @@ static int bcm54140_config_intr(struct phy_device *phydev) BCM54140_RDB_TOP_IMR_PORT0, BCM54140_RDB_TOP_IMR_PORT1, BCM54140_RDB_TOP_IMR_PORT2, BCM54140_RDB_TOP_IMR_PORT3, }; - int reg; + int reg, err; if (priv->port >= ARRAY_SIZE(port_to_imr_bit)) return -EINVAL; @@ -690,12 +690,23 @@ static int bcm54140_config_intr(struct phy_device *phydev) if (reg < 0) return reg; - if (phydev->interrupts == PHY_INTERRUPT_ENABLED) + if (phydev->interrupts == PHY_INTERRUPT_ENABLED) { + err = bcm54140_ack_intr(phydev); + if (err) + return err; + reg &= ~port_to_imr_bit[priv->port]; - else + err = bcm54140_base_write_rdb(phydev, BCM54140_RDB_TOP_IMR, reg); + } else { reg |= port_to_imr_bit[priv->port]; + err = bcm54140_base_write_rdb(phydev, BCM54140_RDB_TOP_IMR, reg); + if (err) + return err; + + err = bcm54140_ack_intr(phydev); + } - return bcm54140_base_write_rdb(phydev, BCM54140_RDB_TOP_IMR, reg); + return err; } static int bcm54140_get_downshift(struct phy_device *phydev, u8 *data) @@ -850,7 +861,6 @@ static struct phy_driver bcm54140_drivers[] = { .flags = PHY_POLL_CABLE_TEST, .features = PHY_GBIT_FEATURES, .config_init = bcm54140_config_init, - .ack_interrupt = bcm54140_ack_intr, .handle_interrupt = bcm54140_handle_interrupt, .config_intr = bcm54140_config_intr, .probe = bcm54140_probe, diff --git a/drivers/net/phy/bcm63xx.c b/drivers/net/phy/bcm63xx.c index 818c853b6638..0eb33be824f1 100644 --- a/drivers/net/phy/bcm63xx.c +++ b/drivers/net/phy/bcm63xx.c @@ -25,12 +25,22 @@ static int bcm63xx_config_intr(struct phy_device *phydev) if (reg < 0) return reg; - if (phydev->interrupts == PHY_INTERRUPT_ENABLED) + if (phydev->interrupts == PHY_INTERRUPT_ENABLED) { + err = bcm_phy_ack_intr(phydev); + if (err) + return err; + reg &= ~MII_BCM63XX_IR_GMASK; - else + err = phy_write(phydev, MII_BCM63XX_IR, reg); + } else { reg |= MII_BCM63XX_IR_GMASK; + err = phy_write(phydev, MII_BCM63XX_IR, reg); + if (err) + return err; + + err = bcm_phy_ack_intr(phydev); + } - err = phy_write(phydev, MII_BCM63XX_IR, reg); return err; } @@ -67,7 +77,6 @@ static struct phy_driver bcm63xx_driver[] = { /* PHY_BASIC_FEATURES */ .flags = PHY_IS_INTERNAL, .config_init = bcm63xx_config_init, - .ack_interrupt = bcm_phy_ack_intr, .config_intr = bcm63xx_config_intr, .handle_interrupt = bcm_phy_handle_interrupt, }, { @@ -78,7 +87,6 @@ static struct phy_driver bcm63xx_driver[] = { /* PHY_BASIC_FEATURES */ .flags = PHY_IS_INTERNAL, .config_init = bcm63xx_config_init, - .ack_interrupt = bcm_phy_ack_intr, .config_intr = bcm63xx_config_intr, .handle_interrupt = bcm_phy_handle_interrupt, } }; diff --git a/drivers/net/phy/bcm87xx.c b/drivers/net/phy/bcm87xx.c index f20cfb05ef04..4ac8fd190e9d 100644 --- a/drivers/net/phy/bcm87xx.c +++ b/drivers/net/phy/bcm87xx.c @@ -144,12 +144,22 @@ static int bcm87xx_config_intr(struct phy_device *phydev) if (reg < 0) return reg; - if (phydev->interrupts == PHY_INTERRUPT_ENABLED) + if (phydev->interrupts == PHY_INTERRUPT_ENABLED) { + err = phy_read(phydev, BCM87XX_LASI_STATUS); + if (err) + return err; + reg |= 1; - else + err = phy_write(phydev, BCM87XX_LASI_CONTROL, reg); + } else { reg &= ~1; + err = phy_write(phydev, BCM87XX_LASI_CONTROL, reg); + if (err) + return err; + + err = phy_read(phydev, BCM87XX_LASI_STATUS); + } - err = phy_write(phydev, BCM87XX_LASI_CONTROL, reg); return err; } @@ -171,22 +181,6 @@ static irqreturn_t bcm87xx_handle_interrupt(struct phy_device *phydev) return IRQ_HANDLED; } -static int bcm87xx_ack_interrupt(struct phy_device *phydev) -{ - int reg; - - /* Reading the LASI status clears it. */ - reg = phy_read(phydev, BCM87XX_LASI_STATUS); - - if (reg < 0) { - phydev_err(phydev, - "Error: Read of BCM87XX_LASI_STATUS failed: %d\n", - reg); - return 0; - } - return (reg & 1) != 0; -} - static int bcm8706_match_phy_device(struct phy_device *phydev) { return phydev->c45_ids.device_ids[4] == PHY_ID_BCM8706; @@ -206,7 +200,6 @@ static struct phy_driver bcm87xx_driver[] = { .config_init = bcm87xx_config_init, .config_aneg = bcm87xx_config_aneg, .read_status = bcm87xx_read_status, - .ack_interrupt = bcm87xx_ack_interrupt, .config_intr = bcm87xx_config_intr, .handle_interrupt = bcm87xx_handle_interrupt, .match_phy_device = bcm8706_match_phy_device, @@ -218,7 +211,6 @@ static struct phy_driver bcm87xx_driver[] = { .config_init = bcm87xx_config_init, .config_aneg = bcm87xx_config_aneg, .read_status = bcm87xx_read_status, - .ack_interrupt = bcm87xx_ack_interrupt, .config_intr = bcm87xx_config_intr, .handle_interrupt = bcm87xx_handle_interrupt, .match_phy_device = bcm8727_match_phy_device, diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c index 8bcdb94ef2fc..8a4ec3222168 100644 --- a/drivers/net/phy/broadcom.c +++ b/drivers/net/phy/broadcom.c @@ -634,12 +634,22 @@ static int brcm_fet_config_intr(struct phy_device *phydev) if (reg < 0) return reg; - if (phydev->interrupts == PHY_INTERRUPT_ENABLED) + if (phydev->interrupts == PHY_INTERRUPT_ENABLED) { + err = brcm_fet_ack_interrupt(phydev); + if (err) + return err; + reg &= ~MII_BRCM_FET_IR_MASK; - else + err = phy_write(phydev, MII_BRCM_FET_INTREG, reg); + } else { reg |= MII_BRCM_FET_IR_MASK; + err = phy_write(phydev, MII_BRCM_FET_INTREG, reg); + if (err) + return err; + + err = brcm_fet_ack_interrupt(phydev); + } - err = phy_write(phydev, MII_BRCM_FET_INTREG, reg); return err; } @@ -699,7 +709,6 @@ static struct phy_driver broadcom_drivers[] = { .name = "Broadcom BCM5411", /* PHY_GBIT_FEATURES */ .config_init = bcm54xx_config_init, - .ack_interrupt = bcm_phy_ack_intr, .config_intr = bcm_phy_config_intr, .handle_interrupt = bcm_phy_handle_interrupt, }, { @@ -708,7 +717,6 @@ static struct phy_driver broadcom_drivers[] = { .name = "Broadcom BCM5421", /* PHY_GBIT_FEATURES */ .config_init = bcm54xx_config_init, - .ack_interrupt = bcm_phy_ack_intr, .config_intr = bcm_phy_config_intr, .handle_interrupt = bcm_phy_handle_interrupt, }, { @@ -717,7 +725,6 @@ static struct phy_driver broadcom_drivers[] = { .name = "Broadcom BCM54210E", /* PHY_GBIT_FEATURES */ .config_init = bcm54xx_config_init, - .ack_interrupt = bcm_phy_ack_intr, .config_intr = bcm_phy_config_intr, .handle_interrupt = bcm_phy_handle_interrupt, }, { @@ -726,7 +733,6 @@ static struct phy_driver broadcom_drivers[] = { .name = "Broadcom BCM5461", /* PHY_GBIT_FEATURES */ .config_init = bcm54xx_config_init, - .ack_interrupt = bcm_phy_ack_intr, .config_intr = bcm_phy_config_intr, .handle_interrupt = bcm_phy_handle_interrupt, }, { @@ -735,7 +741,6 @@ static struct phy_driver broadcom_drivers[] = { .name = "Broadcom BCM54612E", /* PHY_GBIT_FEATURES */ .config_init = bcm54xx_config_init, - .ack_interrupt = bcm_phy_ack_intr, .config_intr = bcm_phy_config_intr, .handle_interrupt = bcm_phy_handle_interrupt, }, { @@ -745,7 +750,6 @@ static struct phy_driver broadcom_drivers[] = { /* PHY_GBIT_FEATURES */ .config_init = bcm54xx_config_init, .config_aneg = bcm54616s_config_aneg, - .ack_interrupt = bcm_phy_ack_intr, .config_intr = bcm_phy_config_intr, .handle_interrupt = bcm_phy_handle_interrupt, .read_status = bcm54616s_read_status, @@ -756,7 +760,6 @@ static struct phy_driver broadcom_drivers[] = { .name = "Broadcom BCM5464", /* PHY_GBIT_FEATURES */ .config_init = bcm54xx_config_init, - .ack_interrupt = bcm_phy_ack_intr, .config_intr = bcm_phy_config_intr, .handle_interrupt = bcm_phy_handle_interrupt, .suspend = genphy_suspend, @@ -768,7 +771,6 @@ static struct phy_driver broadcom_drivers[] = { /* PHY_GBIT_FEATURES */ .config_init = bcm54xx_config_init, .config_aneg = bcm5481_config_aneg, - .ack_interrupt = bcm_phy_ack_intr, .config_intr = bcm_phy_config_intr, .handle_interrupt = bcm_phy_handle_interrupt, }, { @@ -778,7 +780,6 @@ static struct phy_driver broadcom_drivers[] = { /* PHY_GBIT_FEATURES */ .config_init = bcm54xx_config_init, .config_aneg = bcm5481_config_aneg, - .ack_interrupt = bcm_phy_ack_intr, .config_intr = bcm_phy_config_intr, .handle_interrupt = bcm_phy_handle_interrupt, .suspend = genphy_suspend, @@ -790,7 +791,6 @@ static struct phy_driver broadcom_drivers[] = { /* PHY_GBIT_FEATURES */ .config_init = bcm54811_config_init, .config_aneg = bcm5481_config_aneg, - .ack_interrupt = bcm_phy_ack_intr, .config_intr = bcm_phy_config_intr, .handle_interrupt = bcm_phy_handle_interrupt, .suspend = genphy_suspend, @@ -802,7 +802,6 @@ static struct phy_driver broadcom_drivers[] = { /* PHY_GBIT_FEATURES */ .config_init = bcm5482_config_init, .read_status = bcm5482_read_status, - .ack_interrupt = bcm_phy_ack_intr, .config_intr = bcm_phy_config_intr, .handle_interrupt = bcm_phy_handle_interrupt, }, { @@ -811,7 +810,6 @@ static struct phy_driver broadcom_drivers[] = { .name = "Broadcom BCM50610", /* PHY_GBIT_FEATURES */ .config_init = bcm54xx_config_init, - .ack_interrupt = bcm_phy_ack_intr, .config_intr = bcm_phy_config_intr, .handle_interrupt = bcm_phy_handle_interrupt, }, { @@ -820,7 +818,6 @@ static struct phy_driver broadcom_drivers[] = { .name = "Broadcom BCM50610M", /* PHY_GBIT_FEATURES */ .config_init = bcm54xx_config_init, - .ack_interrupt = bcm_phy_ack_intr, .config_intr = bcm_phy_config_intr, .handle_interrupt = bcm_phy_handle_interrupt, }, { @@ -829,7 +826,6 @@ static struct phy_driver broadcom_drivers[] = { .name = "Broadcom BCM57780", /* PHY_GBIT_FEATURES */ .config_init = bcm54xx_config_init, - .ack_interrupt = bcm_phy_ack_intr, .config_intr = bcm_phy_config_intr, .handle_interrupt = bcm_phy_handle_interrupt, }, { @@ -838,7 +834,6 @@ static struct phy_driver broadcom_drivers[] = { .name = "Broadcom BCMAC131", /* PHY_BASIC_FEATURES */ .config_init = brcm_fet_config_init, - .ack_interrupt = brcm_fet_ack_interrupt, .config_intr = brcm_fet_config_intr, .handle_interrupt = brcm_fet_handle_interrupt, }, { @@ -847,7 +842,6 @@ static struct phy_driver broadcom_drivers[] = { .name = "Broadcom BCM5241", /* PHY_BASIC_FEATURES */ .config_init = brcm_fet_config_init, - .ack_interrupt = brcm_fet_ack_interrupt, .config_intr = brcm_fet_config_intr, .handle_interrupt = brcm_fet_handle_interrupt, }, { @@ -871,7 +865,6 @@ static struct phy_driver broadcom_drivers[] = { .get_stats = bcm53xx_phy_get_stats, .probe = bcm53xx_phy_probe, .config_init = bcm54xx_config_init, - .ack_interrupt = bcm_phy_ack_intr, .config_intr = bcm_phy_config_intr, .handle_interrupt = bcm_phy_handle_interrupt, }, { @@ -880,7 +873,6 @@ static struct phy_driver broadcom_drivers[] = { .name = "Broadcom BCM89610", /* PHY_GBIT_FEATURES */ .config_init = bcm54xx_config_init, - .ack_interrupt = bcm_phy_ack_intr, .config_intr = bcm_phy_config_intr, .handle_interrupt = bcm_phy_handle_interrupt, } };