From patchwork Thu Oct 29 10:07:34 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ioana Ciornei X-Patchwork-Id: 11865897 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=-12.6 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 63131C2D0A3 for ; Thu, 29 Oct 2020 10:10:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E359A20706 for ; Thu, 29 Oct 2020 10:10:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Pp7WINJJ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726993AbgJ2KJ6 (ORCPT ); Thu, 29 Oct 2020 06:09:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52994 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726784AbgJ2KI5 (ORCPT ); Thu, 29 Oct 2020 06:08:57 -0400 Received: from mail-ed1-x541.google.com (mail-ed1-x541.google.com [IPv6:2a00:1450:4864:20::541]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 90B3FC0613D2; Thu, 29 Oct 2020 03:08:56 -0700 (PDT) Received: by mail-ed1-x541.google.com with SMTP id x1so2471902eds.1; Thu, 29 Oct 2020 03:08:56 -0700 (PDT) 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=N1F0d+Vte2844wCvhpbDnNWu3V6cWBfYCvkDlG3zIig=; b=Pp7WINJJs1plhzhdkA+UShb4ibmhsysbtGqiZSaUjA9ZdCwkVoy3oRVkslZjA9Y0jA ji1o/OKadyjbByQ0DDiMgTBauYaEvjQbua1zwrKUNHw2FxkW11orGV1U7Xh3Ee5BRGx8 2OWMH3Zk0vE2+F3ey0ToTzCnZaboMQKDty+cI1z51JwzslT4CRxST5DAJpQEUnjqK1pI cNOCzen0XpzZAcBO/Y5c88kSJGc5CXVxaU17hDfP7JjDPJr1/z8aUhfqX/jlbtsDW6QR Ewvud09y9dpEkoYsZzRahfDobWAH0zZJIGugnpBaPVhv6NSeom2a+3QNexyLrGestNOM XI7w== 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=N1F0d+Vte2844wCvhpbDnNWu3V6cWBfYCvkDlG3zIig=; b=I2CGVI1VGWB6uw0j010FXetNnSOkWZeQcn7XZCX7FG241t9JuXCsFfLx4YtzCDajmN mAQErsdAbE0d8/QlKFbu+YkcyM7eahK4dTHy5x+0ps6UcSKdqVLkW7PfXOItk1uejxsS rAuuFfGh6GiwQvQFtM90TQcQ08yOitYNNuqEma6eYbRN5PAiBpgeTJpfKroISRjd9bHY QfzW9w21jcHPtbwN/xYjv4lEPSO+Qdtm42S/AARXaR6vq9vm/qYfVksCEjb7AUduU/72 d6Tr0AJMnHOhnvBC9TKdj30AKrzCDTicz55JjL9a1xpA2uTvUF0Ix2DY6yC05MSKwUnq IMwA== X-Gm-Message-State: AOAM530+ILMjksoMnRiunkguT9KTIvxxh2tW+YhIqkcgBo8nSloE3EI0 PrLqHCp9HfvoC7WRKdT9Gr0= X-Google-Smtp-Source: ABdhPJwedpNc72+6bl3J5cR0r48TRKoRsWwHKHw7iUasa3AhcfYN3tSBjGLfOPA3LiuWLAqlbxvSqA== X-Received: by 2002:aa7:d0c3:: with SMTP id u3mr3163756edo.76.1603966135262; Thu, 29 Oct 2020 03:08:55 -0700 (PDT) Received: from yoga-910.localhost ([188.25.2.177]) by smtp.gmail.com with ESMTPSA id m1sm1198650ejj.117.2020.10.29.03.08.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Oct 2020 03:08:54 -0700 (PDT) From: Ioana Ciornei To: Andrew Lunn , Heiner Kallweit , Russell King , Jakub Kicinski , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Ioana Ciornei , Michael Walle , Florian Fainelli Subject: [PATCH net-next 12/19] net: phy: broadcom: remove use of ack_interrupt() Date: Thu, 29 Oct 2020 12:07:34 +0200 Message-Id: <20201029100741.462818-13-ciorneiioana@gmail.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201029100741.462818-1-ciorneiioana@gmail.com> References: <20201029100741.462818-1-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 --- 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 a32da9ee98ab..8739faf78560 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 f388cacd992a..e71af3aa4878 100644 --- a/drivers/net/phy/bcm54140.c +++ b/drivers/net/phy/bcm54140.c @@ -674,7 +674,7 @@ 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; @@ -683,12 +683,23 @@ 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) @@ -843,7 +854,6 @@ 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, } };