From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Wed, 16 Oct 2024 11:03:05 +0200 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1t0zvt-005029-1o for lore@lore.pengutronix.de; Wed, 16 Oct 2024 11:03:05 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1t0zvs-000676-40 for lore@pengutronix.de; Wed, 16 Oct 2024 11:03:05 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=LPiP21P1+lGyvlXfIPvqLZdNrOU8JY84hfhxTTpY+Vk=; b=h5ZoeFGxESaH3GVoAPPjq48o8f W7XB/MfHCwlSUTVgsJEOErLC3T08493iZC5GacHEVtzdtxYQxafA0QJnksxCO6ohwxlAU8JxbqBk9 OtFpNBxes8uNdZxfMr8mtE2jFKFA7hN2r+TQGGJJvSeb0b01Vdo4UgMYjB7uf65zc3xm//Olh8BVs 7/CXoX9vRZgTS97wenH+8RC3E8TbgvSLuiprgSu4Psfv05GCRl7PpDRzKrnjnqKoVi7osf8VfPZ1v 0R60K18OshhLgzCrLW2Gbho4W9KbX44wUpgyMvvV9lelfDRYvK0RpcVZy9synTSHo4/Dca1Qcffu9 tw+KfYUA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t0zvK-0000000B9aU-15TL; Wed, 16 Oct 2024 09:02:30 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1t0zuq-0000000B9GA-3yu6 for barebox@lists.infradead.org; Wed, 16 Oct 2024 09:02:06 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1t0zuh-0005Lm-GK; Wed, 16 Oct 2024 11:01:51 +0200 Received: from [2a0a:edc0:0:1101:1d::54] (helo=dude05.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1t0zug-002EMR-U2; Wed, 16 Oct 2024 11:01:50 +0200 Received: from localhost ([::1] helo=dude05.red.stw.pengutronix.de) by dude05.red.stw.pengutronix.de with esmtp (Exim 4.96) (envelope-from ) id 1t0zug-00GdhR-2j; Wed, 16 Oct 2024 11:01:50 +0200 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Wed, 16 Oct 2024 11:01:42 +0200 Message-Id: <20241016090150.3963002-6-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20241016090150.3963002-1-a.fatoum@pengutronix.de> References: <20241016090150.3963002-1-a.fatoum@pengutronix.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241016_020201_236801_3D4E63EC X-CRM114-Status: GOOD ( 11.20 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.1 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH 05/13] cdev: stub out cdev_read/write for PBL X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) To optimize out calls to undefined functions in PBL at compile-time instead of link time, let's define stubs for the functions that are referenced in obj-pbl-y files, but inside function sections that are ultimately unreferenced. We don't use IS_PROPER here as cdev support is always available in barebox proper. Signed-off-by: Ahmad Fatoum --- include/driver.h | 24 ++++++++++++++++++++++-- 1 file changed, 22 insertions(+), 2 deletions(-) diff --git a/include/driver.h b/include/driver.h index c4067d531cc7..04d7125ac786 100644 --- a/include/driver.h +++ b/include/driver.h @@ -14,6 +14,7 @@ #include #include #include +#include #include #define FORMAT_DRIVER_NAME_ID "%s%d" @@ -514,21 +515,40 @@ int devfs_create_link(struct cdev *, const char *name); int devfs_remove(struct cdev *); int cdev_find_free_index(const char *); struct cdev *device_find_partition(struct device *dev, const char *name); -struct cdev *cdev_by_name(const char *filename); struct cdev *lcdev_by_name(const char *filename); struct cdev *cdev_readlink(struct cdev *cdev); struct cdev *cdev_by_device_node(struct device_node *node); struct cdev *cdev_by_partuuid(const char *partuuid); struct cdev *cdev_by_diskuuid(const char *partuuid); -struct cdev *cdev_open_by_name(const char *name, unsigned long flags); struct cdev *cdev_create_loop(const char *path, ulong flags, loff_t offset); void cdev_remove_loop(struct cdev *cdev); int cdev_open(struct cdev *, unsigned long flags); int cdev_fdopen(struct cdev *cdev, unsigned long flags); int cdev_close(struct cdev *cdev); int cdev_flush(struct cdev *cdev); +#ifndef __PBL__ ssize_t cdev_read(struct cdev *cdev, void *buf, size_t count, loff_t offset, ulong flags); ssize_t cdev_write(struct cdev *cdev, const void *buf, size_t count, loff_t offset, ulong flags); +struct cdev *cdev_by_name(const char *filename); +struct cdev *cdev_open_by_name(const char *name, unsigned long flags); +#else +static inline ssize_t cdev_read(struct cdev *cdev, void *buf, size_t count, loff_t offset, ulong flags) +{ + return -ENOSYS; +} +static inline ssize_t cdev_write(struct cdev *cdev, const void *buf, size_t count, loff_t offset, ulong flags) +{ + return -ENOSYS; +} +static inline struct cdev *cdev_by_name(const char *filename) +{ + return NULL; +} +static inline struct cdev *cdev_open_by_name(const char *name, unsigned long flags) +{ + return NULL; +} +#endif int cdev_ioctl(struct cdev *cdev, unsigned int cmd, void *buf); int cdev_erase(struct cdev *cdev, loff_t count, loff_t offset); int cdev_lseek(struct cdev*, loff_t); -- 2.39.5