From patchwork Tue Mar 26 14:11:07 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Charles Keepax X-Patchwork-Id: 782846 Received: from mx0b-001ae601.pphosted.com (mx0b-001ae601.pphosted.com [67.231.152.168]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E9671768EA; Tue, 26 Mar 2024 14:11:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=67.231.152.168 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711462290; cv=none; b=jCzFVnw6iCwvPgxdv5JLYxy9XgJSNA2mdUOdSXZ2LMzztdcB8rBMX/MMpars+i+WDh1jgEKKHge9fq8HEEHxWcJAsKBDGh6sg2k7njVXh9VGV0VX06Bt4rFkaF0d1PzKAk6fV59tZpZzYYG7OTvuRR1FsTOtB44BiuyAFb9uOwc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711462290; c=relaxed/simple; bh=Z2rTTZSU9LF30gsK5PsSoDU8bpdOfCujB4gwoQUtkKo=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=LRh4okjLNLS3FoqT5BWqo0NB7ewYkvEri786KYr1RG3BhKmoQbmWRnsjeAyXoGn9F2RGgq54UQZQDzh0efopMduCqRK2GcDbh0xHLDxWJ+oVvBamE8aCw6ULCrLAycVFNbGqmlPG9Ws5lAb0XPe24cIWmy+DziHeuxap0PNljuE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=opensource.cirrus.com; spf=pass smtp.mailfrom=opensource.cirrus.com; dkim=pass (2048-bit key) header.d=cirrus.com header.i=@cirrus.com header.b=o/E3eiY/; arc=none smtp.client-ip=67.231.152.168 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=opensource.cirrus.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=opensource.cirrus.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=cirrus.com header.i=@cirrus.com header.b="o/E3eiY/" Received: from pps.filterd (m0077474.ppops.net [127.0.0.1]) by mx0b-001ae601.pphosted.com (8.17.1.24/8.17.1.24) with ESMTP id 42Q79uU9026416; Tue, 26 Mar 2024 09:11:11 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cirrus.com; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding:content-type; s= PODMain02222019; bh=D/7PiV5SdaQE/yscgv0AI1rUYlFumD75i2QJehq/i8s=; b= o/E3eiY/11gds3BMurXmeF/OM9lGbA2O1uxhUNacMh78P/StVRC5XnQ87fRLqBg8 CT099F8KTjKjBTjgSrRxJsiCJOzwwPGOOvlKSNs7IPd7LtP3+tjvGOx8BUlfdF2+ hk2+u9wD8PUnpxGOwKj6KCiJFXkPHKpditLl9pmr/lWtzQ3yrxxA1hZzGsD0EgoI KRlgO34105islrkrQgZbMvgFyHeTUJi3Cqdjb0otSxngqXE+0ev51cgNfA6kyEui l0Zik6R7moBPr3tnEgZLV35TtStNu3fEgZzuypC9+pKxzBr36cMPOQQlsfytQd3T wlxVARdO4j4QfXWeXdTnVw== Received: from ediex01.ad.cirrus.com ([84.19.233.68]) by mx0b-001ae601.pphosted.com (PPS) with ESMTPS id 3x1ugm5b9y-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 26 Mar 2024 09:11:10 -0500 (CDT) Received: from ediex01.ad.cirrus.com (198.61.84.80) by ediex01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.4; Tue, 26 Mar 2024 14:11:08 +0000 Received: from ediswmail9.ad.cirrus.com (198.61.86.93) by ediex01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.4 via Frontend Transport; Tue, 26 Mar 2024 14:11:08 +0000 Received: from ediswws07.ad.cirrus.com (ediswws07.ad.cirrus.com [198.90.208.14]) by ediswmail9.ad.cirrus.com (Postfix) with ESMTP id 951C0820257; Tue, 26 Mar 2024 14:11:08 +0000 (UTC) From: Charles Keepax To: , , CC: , , Subject: [PATCH 2/3] spi: Add a mechanism to use the fwnode name for the SPI device Date: Tue, 26 Mar 2024 14:11:07 +0000 Message-ID: <20240326141108.1079993-3-ckeepax@opensource.cirrus.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240326141108.1079993-1-ckeepax@opensource.cirrus.com> References: <20240326141108.1079993-1-ckeepax@opensource.cirrus.com> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-ORIG-GUID: WEhIFwz6ndQjn0qNPtjkc2KhZzZB8Kch X-Proofpoint-GUID: WEhIFwz6ndQjn0qNPtjkc2KhZzZB8Kch X-Proofpoint-Spam-Reason: safe Add a mechanism to force the use of the fwnode name for the name of the SPI device itself. This is useful when devices need to be manually added within the kernel. Signed-off-by: Charles Keepax --- drivers/spi/spi.c | 7 +++++++ include/linux/spi/spi.h | 2 ++ 2 files changed, 9 insertions(+) diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index ff75838c1b5d..fae0787beece 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -598,6 +598,12 @@ EXPORT_SYMBOL_GPL(spi_alloc_device); static void spi_dev_set_name(struct spi_device *spi) { struct acpi_device *adev = ACPI_COMPANION(&spi->dev); + struct fwnode_handle *fwnode = dev_fwnode(&spi->dev); + + if (spi->use_fwnode_name && fwnode) { + dev_set_name(&spi->dev, "spi-%s", fwnode_get_name(fwnode)); + return; + } if (adev) { dev_set_name(&spi->dev, "spi-%s", acpi_dev_name(adev)); @@ -830,6 +836,7 @@ struct spi_device *spi_new_device(struct spi_controller *ctlr, * spi->cs_index_mask as 0x01. */ proxy->cs_index_mask = 0x01; + proxy->use_fwnode_name = chip->use_fwnode_name; if (chip->swnode) { status = device_add_software_node(&proxy->dev, chip->swnode); diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index c459809efee4..25461775718d 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -222,6 +222,7 @@ struct spi_device { struct spi_delay cs_setup; struct spi_delay cs_hold; struct spi_delay cs_inactive; + bool use_fwnode_name; /* The statistics */ struct spi_statistics __percpu *pcpu_statistics; @@ -1608,6 +1609,7 @@ struct spi_board_info { char modalias[SPI_NAME_SIZE]; const void *platform_data; const struct software_node *swnode; + bool use_fwnode_name; void *controller_data; int irq;