From patchwork Fri Oct 15 06:56:14 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= X-Patchwork-Id: 12560181 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5E813C433FE for ; Fri, 15 Oct 2021 06:56:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 40B6760F41 for ; Fri, 15 Oct 2021 06:56:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235726AbhJOG6m (ORCPT ); Fri, 15 Oct 2021 02:58:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35332 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230045AbhJOG6l (ORCPT ); Fri, 15 Oct 2021 02:58:41 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D7FFDC061753 for ; Thu, 14 Oct 2021 23:56:35 -0700 (PDT) Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mbH8g-0004rN-LK; Fri, 15 Oct 2021 08:56:22 +0200 Received: from [2a0a:edc0:0:900:1d::77] (helo=ptz.office.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1mbH8d-0000DO-3H; Fri, 15 Oct 2021 08:56:19 +0200 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1mbH8d-0006tL-1x; Fri, 15 Oct 2021 08:56:19 +0200 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: "David S. Miller" , Jakub Kicinski Cc: Andrew Lunn , Arnd Bergmann , Marek Vasut , Mark Brown , Michael Walle , Nathan Chancellor , Tom Rix , Zheng Yongjun , kernel@pengutronix.de, linux-spi@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH v2 1/2] net: ks8851: Make ks8851_remove_common() return void Date: Fri, 15 Oct 2021 08:56:14 +0200 Message-Id: <20211015065615.2795190-2-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20211015065615.2795190-1-u.kleine-koenig@pengutronix.de> References: <20211015065615.2795190-1-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 X-Patch-Hashes: v=1; h=sha256; i=l1tsNSm6p9jZd7n0IvRloxefcIOve97LikwVr8Otfrs=; m=Z81b43hlP8nqmd+BjML51DkyMew5mmrKlqUo0v0p6Ks=; p=WjVbobG3gAkSQOuoV+6Dje5/yqH7dJ1lV1J3rNlpgp0=; g=e490466e8cd7409f48c443c77fc7d7d95c311b3a X-Patch-Sig: m=pgp; i=u.kleine-koenig@pengutronix.de; s=0x0D2511F322BFAB1C1580266BE2DCDD9132669BD6; b=iQEzBAABCgAdFiEEfnIqFpAYrP8+dKQLwfwUeK3K7AkFAmFpJgEACgkQwfwUeK3K7An0Ggf/diS RsJGrX4WCUrpJw3K6+/Od2A9Q0gqfhaVP+oko7gCxejF2Vi7fqDclGpecph/Ju6EW8s2ES1vutuQP gB/PJ7e0ekYCLfUApscC5XGR7BhfxEt7+zbyJRebTNmPflyx7chUfpl3kD7Vo32hhmgbMe9d8VYdc 3hyEJ5vjIIfyXDzKTdcJqcIOTstw8SZMCo7W8Iz6LKqm5x8RuYC9iWYHwN/JceQlPEeK2mTsG4jyx NSEPQXBWlcHhJOmMvUrw1acCroz7NCNtXmOj8dGDNMuBnYHFoDVIn05nKgf7ikKL36keb1k2SwktJ SuI7K+8j50iTR2i9a6qhF1ZEUq58x6g== X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: ukl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-spi@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org Up to now ks8851_remove_common() returns zero unconditionally. Make it return void instead which makes it easier to see in the callers that there is no error to handle. Also the return value of platform and spi remove callbacks is ignored anyway. Signed-off-by: Uwe Kleine-König --- drivers/net/ethernet/micrel/ks8851.h | 2 +- drivers/net/ethernet/micrel/ks8851_common.c | 4 +--- drivers/net/ethernet/micrel/ks8851_par.c | 4 +++- drivers/net/ethernet/micrel/ks8851_spi.c | 4 +++- 4 files changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/net/ethernet/micrel/ks8851.h b/drivers/net/ethernet/micrel/ks8851.h index e2eb0caeac82..6f34a61739b6 100644 --- a/drivers/net/ethernet/micrel/ks8851.h +++ b/drivers/net/ethernet/micrel/ks8851.h @@ -427,7 +427,7 @@ struct ks8851_net { int ks8851_probe_common(struct net_device *netdev, struct device *dev, int msg_en); -int ks8851_remove_common(struct device *dev); +void ks8851_remove_common(struct device *dev); int ks8851_suspend(struct device *dev); int ks8851_resume(struct device *dev); diff --git a/drivers/net/ethernet/micrel/ks8851_common.c b/drivers/net/ethernet/micrel/ks8851_common.c index a6db1a8156e1..77f3d2f820fb 100644 --- a/drivers/net/ethernet/micrel/ks8851_common.c +++ b/drivers/net/ethernet/micrel/ks8851_common.c @@ -1247,7 +1247,7 @@ int ks8851_probe_common(struct net_device *netdev, struct device *dev, } EXPORT_SYMBOL_GPL(ks8851_probe_common); -int ks8851_remove_common(struct device *dev) +void ks8851_remove_common(struct device *dev) { struct ks8851_net *priv = dev_get_drvdata(dev); @@ -1261,8 +1261,6 @@ int ks8851_remove_common(struct device *dev) gpio_set_value(priv->gpio, 0); regulator_disable(priv->vdd_reg); regulator_disable(priv->vdd_io); - - return 0; } EXPORT_SYMBOL_GPL(ks8851_remove_common); diff --git a/drivers/net/ethernet/micrel/ks8851_par.c b/drivers/net/ethernet/micrel/ks8851_par.c index 2e8fcce50f9d..2e25798c610e 100644 --- a/drivers/net/ethernet/micrel/ks8851_par.c +++ b/drivers/net/ethernet/micrel/ks8851_par.c @@ -327,7 +327,9 @@ static int ks8851_probe_par(struct platform_device *pdev) static int ks8851_remove_par(struct platform_device *pdev) { - return ks8851_remove_common(&pdev->dev); + ks8851_remove_common(&pdev->dev); + + return 0; } static const struct of_device_id ks8851_match_table[] = { diff --git a/drivers/net/ethernet/micrel/ks8851_spi.c b/drivers/net/ethernet/micrel/ks8851_spi.c index 479406ecbaa3..0303e727e99f 100644 --- a/drivers/net/ethernet/micrel/ks8851_spi.c +++ b/drivers/net/ethernet/micrel/ks8851_spi.c @@ -454,7 +454,9 @@ static int ks8851_probe_spi(struct spi_device *spi) static int ks8851_remove_spi(struct spi_device *spi) { - return ks8851_remove_common(&spi->dev); + ks8851_remove_common(&spi->dev); + + return 0; } static const struct of_device_id ks8851_match_table[] = { From patchwork Fri Oct 15 06:56:15 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= X-Patchwork-Id: 12560179 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5B745C433EF for ; Fri, 15 Oct 2021 06:56:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 371066108B for ; Fri, 15 Oct 2021 06:56:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230183AbhJOG6l (ORCPT ); Fri, 15 Oct 2021 02:58:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35320 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230045AbhJOG6j (ORCPT ); Fri, 15 Oct 2021 02:58:39 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E16E8C061570 for ; Thu, 14 Oct 2021 23:56:33 -0700 (PDT) Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mbH8g-0004rO-LK; Fri, 15 Oct 2021 08:56:22 +0200 Received: from [2a0a:edc0:0:900:1d::77] (helo=ptz.office.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1mbH8d-0000DR-9Q; Fri, 15 Oct 2021 08:56:19 +0200 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1mbH8d-0006tc-8O; Fri, 15 Oct 2021 08:56:19 +0200 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: "David S. Miller" , Jakub Kicinski Cc: Andrew Lunn , Michael Walle , Yang Yingliang , Mark Brown , kernel@pengutronix.de, linux-spi@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH v2 2/2] net: w5100: Make w5100_remove() return void Date: Fri, 15 Oct 2021 08:56:15 +0200 Message-Id: <20211015065615.2795190-3-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20211015065615.2795190-1-u.kleine-koenig@pengutronix.de> References: <20211015065615.2795190-1-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 X-Patch-Hashes: v=1; h=sha256; i=qOKdcEzT5D3cL8yT5vVwJxWKkQM/bocuKt8FqfnAEeA=; m=Ezz7f4wAMqUR1gnsufXetNNs5oJh9WoyoJVHIj9UQgQ=; p=4JSsRnpCSBJICfJelRlKyvGh64Hyp5Dm1xpwUXPuc/w=; g=6eac849136787d0d5d7001765ce4dda41051e842 X-Patch-Sig: m=pgp; i=u.kleine-koenig@pengutronix.de; s=0x0D2511F322BFAB1C1580266BE2DCDD9132669BD6; b=iQEzBAABCgAdFiEEfnIqFpAYrP8+dKQLwfwUeK3K7AkFAmFpJgUACgkQwfwUeK3K7AkFnQf7Bz+ +o3Gfd/MRKoUFJ2nCymUEZ49ufJtf2DBKOzA+1nHHBCq+t2+ZYL0obcjnWC7JZGaeyTeZ7Ko3n7Yy 51GMLL5KrJmso74I5CBciu+notS9iZo3QD/Yt+TaTcwxthcfVOCuvxKhaIHqmym7XWYv2SyLwmmGN Df8vBkqOVHXkAIY8HxNEOiTEO5hM6r3qpexawRHKhD7t2WnWJf6z5lbejaqvypm4zv3WU0C6Y5k1g Jgo3IbbfBjdOQSOTenEEFYNnxUsh/7headrJwu39+D15hSFkTzRkGaAVzGyyUwIYwINbiIgtmbZDQ j+ZzBBgDpQKyilit0LMmCdE/43q+Ugw== X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: ukl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-spi@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org Up to now w5100_remove() returns zero unconditionally. Make it return void instead which makes it easier to see in the callers that there is no error to handle. Also the return value of platform and spi remove callbacks is ignored anyway. Signed-off-by: Uwe Kleine-König --- drivers/net/ethernet/wiznet/w5100-spi.c | 4 +++- drivers/net/ethernet/wiznet/w5100.c | 7 ++++--- drivers/net/ethernet/wiznet/w5100.h | 2 +- 3 files changed, 8 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/wiznet/w5100-spi.c b/drivers/net/ethernet/wiznet/w5100-spi.c index 2b84848dc26a..7779a36da3c8 100644 --- a/drivers/net/ethernet/wiznet/w5100-spi.c +++ b/drivers/net/ethernet/wiznet/w5100-spi.c @@ -463,7 +463,9 @@ static int w5100_spi_probe(struct spi_device *spi) static int w5100_spi_remove(struct spi_device *spi) { - return w5100_remove(&spi->dev); + w5100_remove(&spi->dev); + + return 0; } static const struct spi_device_id w5100_spi_ids[] = { diff --git a/drivers/net/ethernet/wiznet/w5100.c b/drivers/net/ethernet/wiznet/w5100.c index f974e70a82e8..c49e12da0f4d 100644 --- a/drivers/net/ethernet/wiznet/w5100.c +++ b/drivers/net/ethernet/wiznet/w5100.c @@ -1064,7 +1064,9 @@ static int w5100_mmio_probe(struct platform_device *pdev) static int w5100_mmio_remove(struct platform_device *pdev) { - return w5100_remove(&pdev->dev); + w5100_remove(&pdev->dev); + + return 0; } void *w5100_ops_priv(const struct net_device *ndev) @@ -1210,7 +1212,7 @@ int w5100_probe(struct device *dev, const struct w5100_ops *ops, } EXPORT_SYMBOL_GPL(w5100_probe); -int w5100_remove(struct device *dev) +void w5100_remove(struct device *dev) { struct net_device *ndev = dev_get_drvdata(dev); struct w5100_priv *priv = netdev_priv(ndev); @@ -1226,7 +1228,6 @@ int w5100_remove(struct device *dev) unregister_netdev(ndev); free_netdev(ndev); - return 0; } EXPORT_SYMBOL_GPL(w5100_remove); diff --git a/drivers/net/ethernet/wiznet/w5100.h b/drivers/net/ethernet/wiznet/w5100.h index 5d3d4b541fec..481af3b6d9e8 100644 --- a/drivers/net/ethernet/wiznet/w5100.h +++ b/drivers/net/ethernet/wiznet/w5100.h @@ -31,6 +31,6 @@ void *w5100_ops_priv(const struct net_device *ndev); int w5100_probe(struct device *dev, const struct w5100_ops *ops, int sizeof_ops_priv, const void *mac_addr, int irq, int link_gpio); -int w5100_remove(struct device *dev); +void w5100_remove(struct device *dev); extern const struct dev_pm_ops w5100_pm_ops;