From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Wed, 11 Jan 2023 14:33:00 +0100 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 1pFbDx-008r9q-Ee for lore@lore.pengutronix.de; Wed, 11 Jan 2023 14:33:00 +0100 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1pFbDu-0002tY-Jj for lore@pengutronix.de; Wed, 11 Jan 2023 14:33:00 +0100 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=ajSQQTXzwh1daFOI7Dxfm+8hIYwts4nAvPczJyQYlKg=; b=lYnemabcV7PfE1FtMsFVJlXqin Gr27b1ugR4mi7+5hlO7PsFw2ijEhCbPFYSUVgmVWaO90rKxZ9gnfaP1e1qFpq0EovsWVEeOMeoii+ C//noixVl6PErqUFt8zHY8ai0OImdedGvT7rLL5WYX8A1J22KINF5GpVmVa86bIvH0vlI8l/O/hJp n+PAQvKoop1N12TTxxcXQn/ftYrgA203LSBwGTTJFwIO8AuuL/oChaC/pVl7SN782qDR6K4I2/Nu9 BANi1sZ/Qs1Ocveuukao2uUs76KH2rMcRXD9sNKHXoFtnk7+FWIkCerythZViPzddy3Yl+tE5J3Ll 3mJ7fm4Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pFbCO-00BaHn-MD; Wed, 11 Jan 2023 13:31:24 +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 1pFbBB-00BZb7-G3 for barebox@lists.infradead.org; Wed, 11 Jan 2023 13:30:13 +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 1pFbB5-0001m0-6V; Wed, 11 Jan 2023 14:30:03 +0100 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 1pFbB3-005JQY-Rm; Wed, 11 Jan 2023 14:30:01 +0100 Received: from afa by dude04.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1pFbB1-004rqA-Ix; Wed, 11 Jan 2023 14:29:59 +0100 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Wed, 11 Jan 2023 14:29:53 +0100 Message-Id: <20230111132956.1153359-9-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230111132956.1153359-1-a.fatoum@pengutronix.de> References: <20230111132956.1153359-1-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-20230111_053009_586993_7D73D105 X-CRM114-Status: GOOD ( 11.33 ) 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.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.7 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 v2 08/11] dev: add dev_bus_is_spi/i2c helpers 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) These will simplify writing drivers that can probe via either I2C or SPI like the SSD1307FB and upcoming KSZ I2C switch support. Signed-off-by: Ahmad Fatoum --- drivers/video/ssd1307fb.c | 4 ++-- include/i2c/i2c.h | 5 +++++ include/spi/spi.h | 5 +++++ 3 files changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/video/ssd1307fb.c b/drivers/video/ssd1307fb.c index c2b5cd9b3481..7d2769a228af 100644 --- a/drivers/video/ssd1307fb.c +++ b/drivers/video/ssd1307fb.c @@ -451,12 +451,12 @@ static int ssd1307fb_probe(struct device *dev) par->device_info = (struct ssd1307fb_deviceinfo *)match->data; - if (IS_ENABLED(CONFIG_I2C) && dev->bus == &i2c_bus) { + if (dev_bus_is_i2c(dev)) { par->client = to_i2c_client(dev); i2c_set_clientdata(par->client, par); par->write_array = ssd1307fb_i2c_write_array; } - if (IS_ENABLED(CONFIG_SPI) && dev->bus == &spi_bus) { + if (dev_bus_is_spi(dev)) { par->spi = to_spi_device(dev); par->dc = of_get_named_gpio(node, "dc-gpios", 0); if (!gpio_is_valid(par->dc)) { diff --git a/include/i2c/i2c.h b/include/i2c/i2c.h index 5cca73a2f86d..b1ab72850c75 100644 --- a/include/i2c/i2c.h +++ b/include/i2c/i2c.h @@ -330,6 +330,11 @@ extern int i2c_write_reg(struct i2c_client *client, u32 addr, const u8 *buf, u16 extern struct bus_type i2c_bus; +static inline bool dev_bus_is_i2c(struct device *dev) +{ + return IS_ENABLED(CONFIG_I2C) && dev->bus == &i2c_bus; +} + static inline int i2c_driver_register(struct driver *drv) { drv->bus = &i2c_bus; diff --git a/include/spi/spi.h b/include/spi/spi.h index 7591d0ff3b26..5071dd69650b 100644 --- a/include/spi/spi.h +++ b/include/spi/spi.h @@ -556,6 +556,11 @@ static inline ssize_t spi_w8r8(struct spi_device *spi, u8 cmd) extern struct bus_type spi_bus; +static inline bool dev_bus_is_spi(struct device_d *dev) +{ + return IS_ENABLED(CONFIG_SPI) && dev->bus == &spi_bus; +} + struct spi_controller *spi_get_controller(int bus); static inline int spi_driver_register(struct driver *drv) -- 2.30.2