From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3F479C433EF for ; Wed, 27 Apr 2022 10:43:54 +0000 (UTC) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id D882083E9B; Wed, 27 Apr 2022 12:43:20 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Authentication-Results: phobos.denx.de; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="XKTMBLAH"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id 2FB4D83ECF; Wed, 27 Apr 2022 12:42:48 +0200 (CEST) Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id 4717683ED1 for ; Wed, 27 Apr 2022 12:42:29 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=kabel@kernel.org Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 089DB61D3E; Wed, 27 Apr 2022 10:42:28 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D23BCC385AA; Wed, 27 Apr 2022 10:42:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1651056147; bh=gS7NNtlvJ64NvbJrCxkUFD1ssjl8/EaYyRI9qfA0MDk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XKTMBLAHbVHKCJa8pJ/ykTkqEllU8bnFa9Pya1JLlmhv14bkfwstALqQsj+kK49bg RknO2WqqN+2cSWhgAMG/5DijZkxv7CQ1V0xo35g7DWyyGEB7LBE+99Da5QhI10Z9MS bL66sM1zWkJm9FQV+jIMniYdJFcl6RHhae124nNW3RzZpwAObTTJ/iOaNYUVFErayU DWZlOHG2ctbXXNCT1veBiJMdeK4l+8YLsiCqDoSin5N8zhssTU38CJ0PWpczsxDE0x NrT0QV7Z+qHIQpVxeqzDAjog4HIoicxFjmHsvXIhWeCR7EWlur4vUwqK04DrEjDOgZ /dWFUH0mxwo9g== From: =?UTF-8?q?Marek=20Beh=C3=BAn?= To: Stefan Roese Cc: Robert Marko , =?UTF-8?q?Pali=20Roh=C3=A1r?= , U-Boot-Denx , Ramon Fried , Joe Hershberger , =?UTF-8?q?Marek=20Beh=C3=BAn?= Subject: [PATCH u-boot-marvell 08/19] net: mvneta: Don't register MDIO bus Date: Wed, 27 Apr 2022 12:41:51 +0200 Message-Id: <20220427104202.1205-9-kabel@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220427104202.1205-1-kabel@kernel.org> References: <20220427104202.1205-1-kabel@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.5 at phobos.denx.de X-Virus-Status: Clean From: Marek Behún This MDIO bus is now handled by a proper mvmdio DM driver. Remove it from mvneta. Signed-off-by: Marek Behún --- drivers/net/mvneta.c | 143 +------------------------------------------ 1 file changed, 2 insertions(+), 141 deletions(-) diff --git a/drivers/net/mvneta.c b/drivers/net/mvneta.c index 83e9629138..19f8145fc0 100644 --- a/drivers/net/mvneta.c +++ b/drivers/net/mvneta.c @@ -288,7 +288,6 @@ struct mvneta_port { struct gpio_desc phy_reset_gpio; struct gpio_desc sfp_tx_disable_gpio; #endif - struct mii_dev *bus; }; /* The mvneta_tx_desc and mvneta_rx_desc structures describe the @@ -414,15 +413,6 @@ static struct buffer_location buffer_loc; */ #define BD_SPACE (1 << 20) -/* - * Dummy implementation that can be overwritten by a board - * specific function - */ -__weak int board_network_enable(struct mii_dev *bus) -{ - return 0; -} - /* Utility/helper methods */ /* Write helper method */ @@ -1421,118 +1411,6 @@ static int mvneta_init(struct udevice *dev) /* U-Boot only functions follow here */ -/* SMI / MDIO functions */ - -static int smi_wait_ready(struct mvneta_port *pp) -{ - u32 timeout = MVNETA_SMI_TIMEOUT; - u32 smi_reg; - - /* wait till the SMI is not busy */ - do { - /* read smi register */ - smi_reg = mvreg_read(pp, MVNETA_SMI); - if (timeout-- == 0) { - printf("Error: SMI busy timeout\n"); - return -EFAULT; - } - } while (smi_reg & MVNETA_SMI_BUSY); - - return 0; -} - -/* - * mvneta_mdio_read - miiphy_read callback function. - * - * Returns 16bit phy register value, or 0xffff on error - */ -static int mvneta_mdio_read(struct mii_dev *bus, int addr, int devad, int reg) -{ - struct mvneta_port *pp = bus->priv; - u32 smi_reg; - u32 timeout; - - /* check parameters */ - if (addr > MVNETA_PHY_ADDR_MASK) { - printf("Error: Invalid PHY address %d\n", addr); - return -EFAULT; - } - - if (reg > MVNETA_PHY_REG_MASK) { - printf("Err: Invalid register offset %d\n", reg); - return -EFAULT; - } - - /* wait till the SMI is not busy */ - if (smi_wait_ready(pp) < 0) - return -EFAULT; - - /* fill the phy address and regiser offset and read opcode */ - smi_reg = (addr << MVNETA_SMI_DEV_ADDR_OFFS) - | (reg << MVNETA_SMI_REG_ADDR_OFFS) - | MVNETA_SMI_OPCODE_READ; - - /* write the smi register */ - mvreg_write(pp, MVNETA_SMI, smi_reg); - - /* wait till read value is ready */ - timeout = MVNETA_SMI_TIMEOUT; - - do { - /* read smi register */ - smi_reg = mvreg_read(pp, MVNETA_SMI); - if (timeout-- == 0) { - printf("Err: SMI read ready timeout\n"); - return -EFAULT; - } - } while (!(smi_reg & MVNETA_SMI_READ_VALID)); - - /* Wait for the data to update in the SMI register */ - for (timeout = 0; timeout < MVNETA_SMI_TIMEOUT; timeout++) - ; - - return mvreg_read(pp, MVNETA_SMI) & MVNETA_SMI_DATA_MASK; -} - -/* - * mvneta_mdio_write - miiphy_write callback function. - * - * Returns 0 if write succeed, -EINVAL on bad parameters - * -ETIME on timeout - */ -static int mvneta_mdio_write(struct mii_dev *bus, int addr, int devad, int reg, - u16 value) -{ - struct mvneta_port *pp = bus->priv; - u32 smi_reg; - - /* check parameters */ - if (addr > MVNETA_PHY_ADDR_MASK) { - printf("Error: Invalid PHY address %d\n", addr); - return -EFAULT; - } - - if (reg > MVNETA_PHY_REG_MASK) { - printf("Err: Invalid register offset %d\n", reg); - return -EFAULT; - } - - /* wait till the SMI is not busy */ - if (smi_wait_ready(pp) < 0) - return -EFAULT; - - /* fill the phy addr and reg offset and write opcode and data */ - smi_reg = value << MVNETA_SMI_DATA_OFFS; - smi_reg |= (addr << MVNETA_SMI_DEV_ADDR_OFFS) - | (reg << MVNETA_SMI_REG_ADDR_OFFS); - smi_reg &= ~MVNETA_SMI_OPCODE_READ; - - /* write the smi register */ - mvreg_write(pp, MVNETA_SMI, smi_reg); - - return 0; -} - static int mvneta_start(struct udevice *dev) { struct mvneta_port *pp = dev_get_priv(dev); @@ -1690,10 +1568,9 @@ static int mvneta_probe(struct udevice *dev) #endif void *blob = (void *)gd->fdt_blob; int node = dev_of_offset(dev); - struct mii_dev *bus; void *bd_space; - int ret; int fl_node; + int ret; /* * Allocate buffer area for descs and rx_buffers. This is only @@ -1739,22 +1616,6 @@ static int mvneta_probe(struct udevice *dev) pp->fixed_link = true; } - bus = mdio_alloc(); - if (!bus) { - printf("Failed to allocate MDIO bus\n"); - return -ENOMEM; - } - - bus->read = mvneta_mdio_read; - bus->write = mvneta_mdio_write; - snprintf(bus->name, sizeof(bus->name), dev->name); - bus->priv = (void *)pp; - pp->bus = bus; - - ret = mdio_register(bus); - if (ret) - return ret; - #if CONFIG_IS_ENABLED(DM_GPIO) ret = dev_read_phandle_with_args(dev, "sfp", NULL, 0, 0, &sfp_args); if (!ret && ofnode_is_enabled(sfp_args.node)) @@ -1774,7 +1635,7 @@ static int mvneta_probe(struct udevice *dev) dm_gpio_set_value(&pp->sfp_tx_disable_gpio, 0); #endif - return board_network_enable(bus); + return 0; } static void mvneta_stop(struct udevice *dev) -- 2.35.1