From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Tue, 03 May 2022 11:13:59 +0200 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1nlobX-000QS1-Hw for lore@lore.pengutronix.de; Tue, 03 May 2022 11:13:59 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nlobV-0002c4-RU for lore@pengutronix.de; Tue, 03 May 2022 11:13:58 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=nlUakCzP9YSyBb1v9A5Hib83b8LPAYI0IaUTFSbHcQo=; b=mCSvVihA7lofnx veF/UOKgV/7MIHFq1GgFuNzNtjSfRZTZftd40gbVLxtKn69LqGQ8Jodi8lxHXzq9rUdQkyrWaUl4i LHtRE49js+GwhDV+YSOIJzrlVEGeWUekkjGI4/GIbShdpRFPWMVRn2oh4AnO/vG30sKPYT2mge39O Kh4SuDgy78/ikv3c43hfi28RFxn9HT875tDITpbq81wE1KZ9bhu72ASDhbt0P3zUSiiGqm/teIrXf smIUyjErqxDnHgYZ9GWsVowNa27Dlswf8WGZuWVVhXcyUXsipMkzh49BxJZgcvCVRshL0YDSVuxpT vvQJmjhv9ntyqSjxBCDw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nloaA-004lpf-Jw; Tue, 03 May 2022 09:12:34 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nloa0-004ll5-Lo for barebox@lists.infradead.org; Tue, 03 May 2022 09:12:27 +0000 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 1nloZz-00027x-DU; Tue, 03 May 2022 11:12:23 +0200 Received: from [2a0a:edc0:0:1101:1d::ac] (helo=dude04.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1nloZz-0005FN-9t; Tue, 03 May 2022 11:12:21 +0200 Received: from ore by dude04.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1nloZx-00GFCk-1q; Tue, 03 May 2022 11:12:21 +0200 From: Oleksij Rempel To: barebox@lists.infradead.org Cc: Oleksij Rempel Date: Tue, 3 May 2022 11:12:18 +0200 Message-Id: <20220503091220.3871612-4-o.rempel@pengutronix.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220503091220.3871612-1-o.rempel@pengutronix.de> References: <20220503091220.3871612-1-o.rempel@pengutronix.de> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220503_021224_804618_9B07B265 X-CRM114-Status: GOOD ( 13.76 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:e::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.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.3 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, T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH v6 3/5] of: add generic of_prepend_machine_compatible() X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) Add generic function to extend/fixup machine compatible. Signed-off-by: Oleksij Rempel --- common/misc.c | 23 +++++++++++++++++++++++ common/oftree.c | 36 ++++++++++++++++++++++++++++++++++++ include/common.h | 3 +++ include/of.h | 6 ++++++ 4 files changed, 68 insertions(+) diff --git a/common/misc.c b/common/misc.c index 3b3bc05bfd..0f6de3e9e5 100644 --- a/common/misc.c +++ b/common/misc.c @@ -150,6 +150,7 @@ BAREBOX_MAGICVAR(global.model, "Product name of this hardware"); static char *hostname; static char *serial_number; +static char *of_machine_compatible; /* * The hostname is supposed to be the shortname of a board. It should @@ -195,6 +196,28 @@ const char *barebox_get_serial_number(void) BAREBOX_MAGICVAR(global.serial_number, "Board serial number"); +void barebox_set_of_machine_compatible(const char *__compatible) +{ + free(of_machine_compatible); + of_machine_compatible = xstrdup(__compatible); +} + +const char *barebox_get_of_machine_compatible(void) +{ + return of_machine_compatible; +} + +static int of_kernel_init(void) +{ + globalvar_add_simple_string("of.kernel.add_machine_compatible", + &of_machine_compatible); + + return 0; +} +device_initcall(of_kernel_init); + +BAREBOX_MAGICVAR(global.of.kernel.add_machine_compatible, "Additional machine/board compatible"); + void __noreturn panic(const char *fmt, ...) { va_list args; diff --git a/common/oftree.c b/common/oftree.c index 51f825c3f3..91b3fcc9fa 100644 --- a/common/oftree.c +++ b/common/oftree.c @@ -207,11 +207,16 @@ static int of_fixup_bootargs(struct device_node *root, void *unused) int instance = reset_source_get_instance(); struct device_d *dev; const char *serialno; + const char *compat; serialno = barebox_get_serial_number(); if (serialno) of_property_write_string(root, "serial-number", serialno); + compat = barebox_get_of_machine_compatible(); + if (compat) + of_prepend_machine_compatible(root, compat); + node = of_create_node(root, "/chosen"); if (!node) return -ENOMEM; @@ -483,3 +488,34 @@ int of_autoenable_i2c_by_component(char *path) return ret; } + +int of_prepend_machine_compatible(struct device_node *root, const char *compat) +{ + int cclen = 0, clen = strlen(compat) + 1; + const char *curcompat; + void *buf; + + if (!root) { + root = of_get_root_node(); + if (!root) + return -ENODEV; + } + + if (of_device_is_compatible(root, compat)) + return 0; + + curcompat = of_get_property(root, "compatible", &cclen); + + buf = xzalloc(cclen + clen); + + memcpy(buf, compat, clen); + + if (curcompat) + memcpy(buf + clen, curcompat, cclen); + + of_set_property(root, "compatible", buf, cclen + clen, true); + + free(buf); + + return 0; +} diff --git a/include/common.h b/include/common.h index 967502a7ab..bd12035688 100644 --- a/include/common.h +++ b/include/common.h @@ -129,4 +129,7 @@ void barebox_set_hostname_no_overwrite(const char *); const char *barebox_get_serial_number(void); void barebox_set_serial_number(const char *); +void barebox_set_of_machine_compatible(const char *); +const char *barebox_get_of_machine_compatible(void); + #endif /* __COMMON_H_ */ diff --git a/include/of.h b/include/of.h index cf9950e9b3..3a8e32f69c 100644 --- a/include/of.h +++ b/include/of.h @@ -316,6 +316,7 @@ struct device_node *of_find_node_by_path_or_alias(struct device_node *root, const char *str); int of_autoenable_device_by_path(char *path); int of_autoenable_i2c_by_component(char *path); +int of_prepend_machine_compatible(struct device_node *root, const char *compat); #else static inline bool of_node_name_eq(const struct device_node *np, const char *name) { @@ -834,6 +835,11 @@ static inline int of_autoenable_i2c_by_component(char *path) return -ENODEV; } +static int of_prepend_machine_compatible(struct device_node *root, + const char *compat) +{ + return -ENODEV; +} #endif -- 2.30.2 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox