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Sun, 17 Jan 2021 22:23:12 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id BFF07F8029B; Sun, 17 Jan 2021 22:23:10 +0100 (CET) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 274B4F80255 for ; Sun, 17 Jan 2021 22:23:03 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 274B4F80255 Authentication-Results: alsa1.perex.cz; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="EywRnJ+U" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1610918582; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=dwWb/jzvcF0HeOiU902re41Et7/qhlMHI34fzUY/I1I=; b=EywRnJ+U28uzcsIoOnUp4/K+zfnRFPoAwkPDWuqsmvPo2IFnbMoMRKJqE2c+REuZvOCJSX 3O6MZa9q4NBaBSquVlFvs6MrNy4VgO4tADLZyn2VWKvaKSAT9umOhJ9+gZ6rthivbRAMk5 kgFqBsINkj1ATSDHlUSXO4ZS+VDRgj4= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-179-pTfRKgE2MXats6hnn75YFQ-1; Sun, 17 Jan 2021 16:23:00 -0500 X-MC-Unique: pTfRKgE2MXats6hnn75YFQ-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id CEC9910054FF; Sun, 17 Jan 2021 21:22:58 +0000 (UTC) Received: from x1.localdomain.com (ovpn-112-7.ams2.redhat.com [10.36.112.7]) by smtp.corp.redhat.com (Postfix) with ESMTP id A997D1002388; Sun, 17 Jan 2021 21:22:56 +0000 (UTC) From: Hans de Goede To: Lee Jones , Cezary Rojewski , Pierre-Louis Bossart , Liam Girdwood , Jie Yang , Mark Brown Subject: [PATCH v3 1/5] mfd: arizona: Add MODULE_SOFTDEP("pre: arizona_ldo1") Date: Sun, 17 Jan 2021 22:22:48 +0100 Message-Id: <20210117212252.206115-2-hdegoede@redhat.com> In-Reply-To: <20210117212252.206115-1-hdegoede@redhat.com> References: <20210117212252.206115-1-hdegoede@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Cc: alsa-devel@alsa-project.org, Charles Keepax , patches@opensource.cirrus.com, linux-kernel@vger.kernel.org, Hans de Goede , Andy Shevchenko X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" The (shared) probing code of the arizona-i2c and arizona-spi modules takes the following steps during init: 1. Call mfd_add_devices() for a set of early child-devices, this includes the arizona_ldo1 device which provides one of the core-regulators. 2. Bulk enable the core-regulators. 3. Read the device id. 4. Call mfd_add_devices() for the other child-devices. This sequence depends on 1. leading to not only the child-device being created, but also the driver for the child-device binding to it and registering its regulator. This requires the arizona_ldo1 driver to be loaded before the shared probing code runs. Add a softdep for this to both modules to ensure that this requirement is met. Note this mirrors the existing MODULE_SOFTDEP("pre: wm8994_regulator") in the wm8994 code, which has a similar init sequence. Reviewed-by: Andy Shevchenko Acked-by: Charles Keepax Signed-off-by: Hans de Goede --- drivers/mfd/arizona-i2c.c | 1 + drivers/mfd/arizona-spi.c | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/mfd/arizona-i2c.c b/drivers/mfd/arizona-i2c.c index 4b58e3ad6eb6..2a4a3a164d0a 100644 --- a/drivers/mfd/arizona-i2c.c +++ b/drivers/mfd/arizona-i2c.c @@ -115,6 +115,7 @@ static struct i2c_driver arizona_i2c_driver = { module_i2c_driver(arizona_i2c_driver); +MODULE_SOFTDEP("pre: arizona_ldo1"); MODULE_DESCRIPTION("Arizona I2C bus interface"); MODULE_AUTHOR("Mark Brown "); MODULE_LICENSE("GPL"); diff --git a/drivers/mfd/arizona-spi.c b/drivers/mfd/arizona-spi.c index 2633e147b76c..704f214d2614 100644 --- a/drivers/mfd/arizona-spi.c +++ b/drivers/mfd/arizona-spi.c @@ -110,6 +110,7 @@ static struct spi_driver arizona_spi_driver = { module_spi_driver(arizona_spi_driver); +MODULE_SOFTDEP("pre: arizona_ldo1"); MODULE_DESCRIPTION("Arizona SPI bus interface"); MODULE_AUTHOR("Mark Brown "); MODULE_LICENSE("GPL");