From patchwork Wed Nov 4 15:48:52 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Andrew Lunn X-Patchwork-Id: 11881153 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=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 59E09C2D0A3 for ; Wed, 4 Nov 2020 15:49:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1C4E920735 for ; Wed, 4 Nov 2020 15:49:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730841AbgKDPtk (ORCPT ); Wed, 4 Nov 2020 10:49:40 -0500 Received: from vps0.lunn.ch ([185.16.172.187]:35298 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727013AbgKDPtY (ORCPT ); Wed, 4 Nov 2020 10:49:24 -0500 Received: from andrew by vps0.lunn.ch with local (Exim 4.94) (envelope-from ) id 1kaL2F-005EbY-Ut; Wed, 04 Nov 2020 16:49:19 +0100 From: Andrew Lunn To: Jakub Kicinski Cc: netdev , Nicolas Pitre , David Laight , Lee Jones , Andrew Lunn Subject: [PATCH net-next v2 1/7] drivers: net: smc91x: Fix set but unused W=1 warning Date: Wed, 4 Nov 2020 16:48:52 +0100 Message-Id: <20201104154858.1247725-2-andrew@lunn.ch> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20201104154858.1247725-1-andrew@lunn.ch> References: <20201104154858.1247725-1-andrew@lunn.ch> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org drivers/net/ethernet/smsc/smc91x.c:706:51: warning: variable ‘pkt_len’ set but not used [-Wunused-but-set-variable] 706 | unsigned int saved_packet, packet_no, tx_status, pkt_len; Add a new macro for getting fields out of the header, which only gets the status, not the length which in this case is not needed. Signed-off-by: Andrew Lunn --- drivers/net/ethernet/smsc/smc91x.c | 4 ++-- drivers/net/ethernet/smsc/smc91x.h | 10 ++++++++++ 2 files changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/smsc/smc91x.c b/drivers/net/ethernet/smsc/smc91x.c index f6b73afd1879..61333939a73e 100644 --- a/drivers/net/ethernet/smsc/smc91x.c +++ b/drivers/net/ethernet/smsc/smc91x.c @@ -703,7 +703,7 @@ static void smc_tx(struct net_device *dev) { struct smc_local *lp = netdev_priv(dev); void __iomem *ioaddr = lp->base; - unsigned int saved_packet, packet_no, tx_status, pkt_len; + unsigned int saved_packet, packet_no, tx_status; DBG(3, dev, "%s\n", __func__); @@ -720,7 +720,7 @@ static void smc_tx(struct net_device *dev) /* read the first word (status word) from this packet */ SMC_SET_PTR(lp, PTR_AUTOINC | PTR_READ); - SMC_GET_PKT_HDR(lp, tx_status, pkt_len); + SMC_GET_PKT_HDR_STATUS(lp, tx_status); DBG(2, dev, "TX STATUS 0x%04x PNR 0x%02x\n", tx_status, packet_no); diff --git a/drivers/net/ethernet/smsc/smc91x.h b/drivers/net/ethernet/smsc/smc91x.h index 387539a8094b..705d9d6ebaa5 100644 --- a/drivers/net/ethernet/smsc/smc91x.h +++ b/drivers/net/ethernet/smsc/smc91x.h @@ -1056,6 +1056,16 @@ static const char * chip_ids[ 16 ] = { } \ } while (0) +#define SMC_GET_PKT_HDR_STATUS(lp, status) \ + do { \ + if (SMC_32BIT(lp)) { \ + unsigned int __val = SMC_inl(ioaddr, DATA_REG(lp)); \ + (status) = __val & 0xffff; \ + } else { \ + (status) = SMC_inw(ioaddr, DATA_REG(lp)); \ + } \ + } while (0) + #define SMC_PUSH_DATA(lp, p, l) \ do { \ if (SMC_32BIT(lp)) { \ From patchwork Wed Nov 4 15:48:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Lunn X-Patchwork-Id: 11881145 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=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 4EB17C2D0A3 for ; Wed, 4 Nov 2020 15:49:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 08C4920735 for ; Wed, 4 Nov 2020 15:49:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730712AbgKDPtY (ORCPT ); Wed, 4 Nov 2020 10:49:24 -0500 Received: from vps0.lunn.ch ([185.16.172.187]:35294 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726919AbgKDPtX (ORCPT ); Wed, 4 Nov 2020 10:49:23 -0500 Received: from andrew by vps0.lunn.ch with local (Exim 4.94) (envelope-from ) id 1kaL2F-005Ebb-W2; Wed, 04 Nov 2020 16:49:19 +0100 From: Andrew Lunn To: Jakub Kicinski Cc: netdev , Nicolas Pitre , David Laight , Lee Jones , Andrew Lunn Subject: [PATCH net-next v2 2/7] drivers: net: smc91x: Fix missing kerneldoc reported by W=1 Date: Wed, 4 Nov 2020 16:48:53 +0100 Message-Id: <20201104154858.1247725-3-andrew@lunn.ch> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20201104154858.1247725-1-andrew@lunn.ch> References: <20201104154858.1247725-1-andrew@lunn.ch> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org drivers/net/ethernet/smsc/smc91x.c:2199: warning: Function parameter or member 'dev' not described in 'try_toggle_control_gpio' drivers/net/ethernet/smsc/smc91x.c:2199: warning: Function parameter or member 'desc' not described in 'try_toggle_control_gpio' drivers/net/ethernet/smsc/smc91x.c:2199: warning: Function parameter or member 'name' not described in 'try_toggle_control_gpio' drivers/net/ethernet/smsc/smc91x.c:2199: warning: Function parameter or member 'index' not described in 'try_toggle_control_gpio' drivers/net/ethernet/smsc/smc91x.c:2199: warning: Function parameter or member 'value' not described in 'try_toggle_control_gpio' drivers/net/ethernet/smsc/smc91x.c:2199: warning: Function parameter or member 'nsdelay' not described in 'try_toggle_control_gpio' Document these parameters. Signed-off-by: Andrew Lunn --- drivers/net/ethernet/smsc/smc91x.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/ethernet/smsc/smc91x.c b/drivers/net/ethernet/smsc/smc91x.c index 61333939a73e..83dde7db0851 100644 --- a/drivers/net/ethernet/smsc/smc91x.c +++ b/drivers/net/ethernet/smsc/smc91x.c @@ -2191,6 +2191,12 @@ MODULE_DEVICE_TABLE(of, smc91x_match); /** * of_try_set_control_gpio - configure a gpio if it exists + * @dev: net device + * @desc: where to store the GPIO descriptor, if it exists + * @name: name of the GPIO in DT + * @index: index of the GPIO in DT + * @value: set the GPIO to this value + * @nsdelay: delay before setting the GPIO */ static int try_toggle_control_gpio(struct device *dev, struct gpio_desc **desc, From patchwork Wed Nov 4 15:48:54 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Andrew Lunn X-Patchwork-Id: 11881157 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=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 049E5C388F9 for ; Wed, 4 Nov 2020 15:49:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BF8212075E for ; Wed, 4 Nov 2020 15:49:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730826AbgKDPtb (ORCPT ); Wed, 4 Nov 2020 10:49:31 -0500 Received: from vps0.lunn.ch ([185.16.172.187]:35314 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730424AbgKDPtZ (ORCPT ); Wed, 4 Nov 2020 10:49:25 -0500 Received: from andrew by vps0.lunn.ch with local (Exim 4.94) (envelope-from ) id 1kaL2G-005Ebe-0y; Wed, 04 Nov 2020 16:49:20 +0100 From: Andrew Lunn To: Jakub Kicinski Cc: netdev , Nicolas Pitre , David Laight , Lee Jones , Andrew Lunn Subject: [PATCH net-next v2 3/7] drivers: net: smc911x: Work around set but unused status Date: Wed, 4 Nov 2020 16:48:54 +0100 Message-Id: <20201104154858.1247725-4-andrew@lunn.ch> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20201104154858.1247725-1-andrew@lunn.ch> References: <20201104154858.1247725-1-andrew@lunn.ch> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org drivers/net/ethernet/smsc/smc911x.c: In function ‘smc911x_phy_interrupt’: drivers/net/ethernet/smsc/smc911x.c:976:6: warning: variable ‘status’ set but not used [-Wunused-but-set-variable] 976 | int status; A comment indicates the status needs to be read from the PHY, otherwise bad things happen. But due to the macro magic, it is hard to perform the read without assigning it to a variable. So add _always_unused attribute to status to tell the compiler we don't expect to use the value. Signed-off-by: Andrew Lunn --- drivers/net/ethernet/smsc/smc911x.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/smsc/smc911x.c b/drivers/net/ethernet/smsc/smc911x.c index 01069dfaf75c..8f748a0c057e 100644 --- a/drivers/net/ethernet/smsc/smc911x.c +++ b/drivers/net/ethernet/smsc/smc911x.c @@ -879,7 +879,7 @@ static void smc911x_phy_configure(struct work_struct *work) int phyaddr = lp->mii.phy_id; int my_phy_caps; /* My PHY capabilities */ int my_ad_caps; /* My Advertised capabilities */ - int status; + int status __always_unused; unsigned long flags; DBG(SMC_DEBUG_FUNC, dev, "--> %s()\n", __func__); @@ -973,7 +973,7 @@ static void smc911x_phy_interrupt(struct net_device *dev) { struct smc911x_local *lp = netdev_priv(dev); int phyaddr = lp->mii.phy_id; - int status; + int status __always_unused; DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__); From patchwork Wed Nov 4 15:48:55 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Andrew Lunn X-Patchwork-Id: 11881149 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=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 92374C4741F for ; Wed, 4 Nov 2020 15:49:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 51C5B20781 for ; Wed, 4 Nov 2020 15:49:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730803AbgKDPt0 (ORCPT ); Wed, 4 Nov 2020 10:49:26 -0500 Received: from vps0.lunn.ch ([185.16.172.187]:35318 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730625AbgKDPtZ (ORCPT ); Wed, 4 Nov 2020 10:49:25 -0500 Received: from andrew by vps0.lunn.ch with local (Exim 4.94) (envelope-from ) id 1kaL2G-005Ebh-2E; Wed, 04 Nov 2020 16:49:20 +0100 From: Andrew Lunn To: Jakub Kicinski Cc: netdev , Nicolas Pitre , David Laight , Lee Jones , Andrew Lunn Subject: [PATCH net-next v2 4/7] drivers: net: smc911x: Fix set but unused status because of DBG macro Date: Wed, 4 Nov 2020 16:48:55 +0100 Message-Id: <20201104154858.1247725-5-andrew@lunn.ch> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20201104154858.1247725-1-andrew@lunn.ch> References: <20201104154858.1247725-1-andrew@lunn.ch> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org drivers/net/ethernet/smsc/smc911x.c: In function ‘smc911x_timeout’: drivers/net/ethernet/smsc/smc911x.c:1251:6: warning: variable ‘status’ set but not used [-Wunused-but-set-variable] 1251 | int status, mask; The status is read in order to print it via the DBG macro. However, due to the way DBG is disabled, the compiler never sees it being used. Change the DBG macro to actually make use of the passed parameters, and the leave the optimiser to remove the unwanted code inside the while (0). Signed-off-by: Andrew Lunn --- drivers/net/ethernet/smsc/smc911x.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/smsc/smc911x.c b/drivers/net/ethernet/smsc/smc911x.c index 8f748a0c057e..6978050496ac 100644 --- a/drivers/net/ethernet/smsc/smc911x.c +++ b/drivers/net/ethernet/smsc/smc911x.c @@ -102,7 +102,10 @@ MODULE_ALIAS("platform:smc911x"); #define PRINTK(dev, args...) netdev_info(dev, args) #else -#define DBG(n, dev, args...) do { } while (0) +#define DBG(n, dev, args...) \ + while (0) { \ + netdev_dbg(dev, args); \ + } #define PRINTK(dev, args...) netdev_dbg(dev, args) #endif From patchwork Wed Nov 4 15:48:56 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Lunn X-Patchwork-Id: 11881151 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=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 85022C388F9 for ; Wed, 4 Nov 2020 15:49:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4423720781 for ; Wed, 4 Nov 2020 15:49:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730795AbgKDPtZ (ORCPT ); Wed, 4 Nov 2020 10:49:25 -0500 Received: from vps0.lunn.ch ([185.16.172.187]:35302 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729862AbgKDPtY (ORCPT ); Wed, 4 Nov 2020 10:49:24 -0500 Received: from andrew by vps0.lunn.ch with local (Exim 4.94) (envelope-from ) id 1kaL2G-005Ebk-3W; Wed, 04 Nov 2020 16:49:20 +0100 From: Andrew Lunn To: Jakub Kicinski Cc: netdev , Nicolas Pitre , David Laight , Lee Jones , Andrew Lunn Subject: [PATCH net-next v2 5/7] drivers: net: smc911x: Fix passing wrong number of parameters to DBG() macro Date: Wed, 4 Nov 2020 16:48:56 +0100 Message-Id: <20201104154858.1247725-6-andrew@lunn.ch> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20201104154858.1247725-1-andrew@lunn.ch> References: <20201104154858.1247725-1-andrew@lunn.ch> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Now that the compiler always sees the parameters passed to the DBG() macro, it gives an error message about wrong parameters. The comment says it all: /* ndev is not valid yet, so avoid passing it in. */ DBG(SMC_DEBUG_FUNC, "--> %s\n", __func__); You cannot not just pass a parameter! The DBG does not seem to have any real value, to just remove it. Signed-off-by: Andrew Lunn --- drivers/net/ethernet/smsc/smc911x.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/net/ethernet/smsc/smc911x.c b/drivers/net/ethernet/smsc/smc911x.c index 6978050496ac..ac1a764364fb 100644 --- a/drivers/net/ethernet/smsc/smc911x.c +++ b/drivers/net/ethernet/smsc/smc911x.c @@ -2047,8 +2047,6 @@ static int smc911x_drv_probe(struct platform_device *pdev) void __iomem *addr; int ret; - /* ndev is not valid yet, so avoid passing it in. */ - DBG(SMC_DEBUG_FUNC, "--> %s\n", __func__); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) { ret = -ENODEV; From patchwork Wed Nov 4 15:48:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Andrew Lunn X-Patchwork-Id: 11881155 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=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 1B960C388F9 for ; Wed, 4 Nov 2020 15:49:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CF48A2074B for ; Wed, 4 Nov 2020 15:49:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730785AbgKDPtY (ORCPT ); Wed, 4 Nov 2020 10:49:24 -0500 Received: from vps0.lunn.ch ([185.16.172.187]:35306 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730059AbgKDPtY (ORCPT ); Wed, 4 Nov 2020 10:49:24 -0500 Received: from andrew by vps0.lunn.ch with local (Exim 4.94) (envelope-from ) id 1kaL2G-005Ebn-4g; Wed, 04 Nov 2020 16:49:20 +0100 From: Andrew Lunn To: Jakub Kicinski Cc: netdev , Nicolas Pitre , David Laight , Lee Jones , Andrew Lunn Subject: [PATCH net-next v2 6/7] drivers: net: smc911x: Fix cast from pointer to integer of different size Date: Wed, 4 Nov 2020 16:48:57 +0100 Message-Id: <20201104154858.1247725-7-andrew@lunn.ch> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20201104154858.1247725-1-andrew@lunn.ch> References: <20201104154858.1247725-1-andrew@lunn.ch> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org drivers/net/ethernet/smsc/smc911x.c: In function ‘smc911x_hardware_send_pkt’: drivers/net/ethernet/smsc/smc911x.c:471:11: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 471 | cmdA = (((u32)skb->data & 0x3) << 16) | When built on 64bit targets, the skb->data pointer cannot be cast to a u32 in a meaningful way. Use an temporary variable and cast to unsigned long. Suggested-by: David Laight Signed-off-by: Andrew Lunn --- drivers/net/ethernet/smsc/smc911x.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/smsc/smc911x.c b/drivers/net/ethernet/smsc/smc911x.c index ac1a764364fb..5b0041996f1f 100644 --- a/drivers/net/ethernet/smsc/smc911x.c +++ b/drivers/net/ethernet/smsc/smc911x.c @@ -448,6 +448,7 @@ static void smc911x_hardware_send_pkt(struct net_device *dev) struct sk_buff *skb; unsigned int cmdA, cmdB, len; unsigned char *buf; + int offset; DBG(SMC_DEBUG_FUNC | SMC_DEBUG_TX, dev, "--> %s\n", __func__); BUG_ON(lp->pending_tx_skb == NULL); @@ -465,9 +466,10 @@ static void smc911x_hardware_send_pkt(struct net_device *dev) TX_CMD_A_INT_FIRST_SEG_ | TX_CMD_A_INT_LAST_SEG_ | skb->len; #else - buf = (char*)((u32)skb->data & ~0x3); - len = (skb->len + 3 + ((u32)skb->data & 3)) & ~0x3; - cmdA = (((u32)skb->data & 0x3) << 16) | + offset = (unsigned long)skb->data & 3; + buf = skb->data - offset; + len = skb->len + offset; + cmdA = (offset << 16) | TX_CMD_A_INT_FIRST_SEG_ | TX_CMD_A_INT_LAST_SEG_ | skb->len; #endif From patchwork Wed Nov 4 15:48:58 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Lunn X-Patchwork-Id: 11881159 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=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 99988C388F9 for ; Wed, 4 Nov 2020 15:49:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 59BD22074B for ; Wed, 4 Nov 2020 15:49:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730832AbgKDPtj (ORCPT ); Wed, 4 Nov 2020 10:49:39 -0500 Received: from vps0.lunn.ch ([185.16.172.187]:35310 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730391AbgKDPtY (ORCPT ); Wed, 4 Nov 2020 10:49:24 -0500 Received: from andrew by vps0.lunn.ch with local (Exim 4.94) (envelope-from ) id 1kaL2G-005Ebq-5v; Wed, 04 Nov 2020 16:49:20 +0100 From: Andrew Lunn To: Jakub Kicinski Cc: netdev , Nicolas Pitre , David Laight , Lee Jones , Andrew Lunn Subject: [PATCH net-next v2 7/7] drivers: net: smsc: Add COMPILE_TEST support Date: Wed, 4 Nov 2020 16:48:58 +0100 Message-Id: <20201104154858.1247725-8-andrew@lunn.ch> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20201104154858.1247725-1-andrew@lunn.ch> References: <20201104154858.1247725-1-andrew@lunn.ch> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Improve the build testing of these SMSC drivers by enabling them when COMPILE_TEST is selected. Signed-off-by: Andrew Lunn --- drivers/net/ethernet/smsc/Kconfig | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/smsc/Kconfig b/drivers/net/ethernet/smsc/Kconfig index b77e427e6729..c52a38df0e0d 100644 --- a/drivers/net/ethernet/smsc/Kconfig +++ b/drivers/net/ethernet/smsc/Kconfig @@ -8,7 +8,7 @@ config NET_VENDOR_SMSC default y depends on ARM || ARM64 || ATARI_ETHERNAT || COLDFIRE || \ ISA || MAC || MIPS || NIOS2 || PCI || \ - PCMCIA || SUPERH || XTENSA || H8300 + PCMCIA || SUPERH || XTENSA || H8300 || COMPILE_TEST help If you have a network (Ethernet) card belonging to this class, say Y. @@ -39,7 +39,7 @@ config SMC91X select MII depends on !OF || GPIOLIB depends on ARM || ARM64 || ATARI_ETHERNAT || COLDFIRE || \ - MIPS || NIOS2 || SUPERH || XTENSA || H8300 + MIPS || NIOS2 || SUPERH || XTENSA || H8300 || COMPILE_TEST help This is a driver for SMC's 91x series of Ethernet chipsets, including the SMC91C94 and the SMC91C111. Say Y if you want it @@ -78,7 +78,7 @@ config SMC911X tristate "SMSC LAN911[5678] support" select CRC32 select MII - depends on (ARM || SUPERH) + depends on (ARM || SUPERH || COMPILE_TEST) help This is a driver for SMSC's LAN911x series of Ethernet chipsets including the new LAN9115, LAN9116, LAN9117, and LAN9118.