From patchwork Fri Nov 9 22:00:39 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matheus Tavares X-Patchwork-Id: 10676593 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1DD1F14DB for ; Fri, 9 Nov 2018 22:01:54 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0BC342ECCE for ; Fri, 9 Nov 2018 22:01:54 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EF3192F2F4; Fri, 9 Nov 2018 22:01:53 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8C1E42ECCE for ; Fri, 9 Nov 2018 22:01:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728419AbeKJHoW (ORCPT ); Sat, 10 Nov 2018 02:44:22 -0500 Received: from mail-qk1-f194.google.com ([209.85.222.194]:42662 "EHLO mail-qk1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726885AbeKJHnr (ORCPT ); Sat, 10 Nov 2018 02:43:47 -0500 Received: by mail-qk1-f194.google.com with SMTP id m5so4349213qka.9 for ; Fri, 09 Nov 2018 14:01:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=usp-br.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=p/X2wTrJ6gYWDUzneo6iXqbAQE6eHh9pqWoFFxc0EC0=; b=wmoUDSzotsDenF8P/rn6XCX+3Nvyw/DHS1nSNmLnZhKNDT//HdfFX+D2iNyL3j2qnw V1QSd7PegcnNJyRqQk45n9JXjsRm25AYoG8sbD1E8oBc80DqX584aVSWDVws+LfruM5o Yzy5WvQrHThJqlRM/+iGwx8zqmBlKTjWVCq4tZrDHRekGhQy+pGMaXXwbxI6hJl85AXT gjOcJbdpjd0Kxmi1nWfPOkgO0UycZv341ZaXNEI7zML370or5ZhdqBcmKbesspcK67h3 IVwEmyhnrOBsPHUQkyB4YALHYi+hcjjrcNMqHJAFlM35pvU0uKsvjoBO+STb2DDC9KS+ 8drQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=p/X2wTrJ6gYWDUzneo6iXqbAQE6eHh9pqWoFFxc0EC0=; b=Vz2NPoeEcbUyCaiBDvZz8mYyTZ4XF37R/2Oo11f/ThQ+9NISjN67lBTvxUCZJETBZn HMrBvLprMcUpbmoPiBcmpwMto3bSFlwic8YIVQ12nygpncYchfpg9a1KVXUceDf9L/kL 69MZn1WdGB4ormSOtYMO0CJPi1uB28kvg7mXxWIRZCllVZ9jB79nL4aE451kj5yvii8D qJEYqFPdV5j4hz/o5QSZe4i9mjbN+hTj7+IEHKtlQdNP+CW9Xtk1RleOjAms4+R4KchD C15CnkQL8xizTjcXWOKnfR8ZhbO9m/xekwpaXabJIF5YCtPRf+LEoQtqcQpMiEQfzxE+ JUBA== X-Gm-Message-State: AGRZ1gKVbu90qGXOLP19fO6LuO9tDmy32xBe2utikz9eKF1flJpfPLMv SfVb9w1JLvO7YQnCwASNZ27CcA== X-Google-Smtp-Source: AJdET5c4499jCQYATZXq5CRhTmGFUouxLzNMM3xSDS6kbgsFFUifZUFIKbZPqH16Y0+g2RUWTjEk7A== X-Received: by 2002:a0c:89e9:: with SMTP id 38mr10609001qvs.31.1541800876402; Fri, 09 Nov 2018 14:01:16 -0800 (PST) Received: from mango.spo.virtua.com.br ([2804:14c:81:942d::1]) by smtp.gmail.com with ESMTPSA id k6sm6082723qtk.41.2018.11.09.14.01.11 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 09 Nov 2018 14:01:15 -0800 (PST) From: Matheus Tavares To: Lars-Peter Clausen , Michael Hennerich , Jonathan Cameron , Hartmut Knaack , Peter Meerwald-Stadler , Greg Kroah-Hartman , Rob Herring , Mark Rutland Cc: linux-iio@vger.kernel.org, devel@driverdev.osuosl.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Alexandru Ardelean , kernel-usp@googlegroups.com, victorcolombo@gmail.com Subject: [PATCH 1/6] staging:iio:ad2s90: Add device tree support Date: Fri, 9 Nov 2018 20:00:39 -0200 Message-Id: <20181109220044.24843-2-matheus.bernardino@usp.br> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20181109220044.24843-1-matheus.bernardino@usp.br> References: <20181109220044.24843-1-matheus.bernardino@usp.br> Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds device tree support to ad2s90 with standard device tree id table. Signed-off-by: Matheus Tavares --- drivers/staging/iio/resolver/ad2s90.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/staging/iio/resolver/ad2s90.c b/drivers/staging/iio/resolver/ad2s90.c index 3e257ac46f7a..ff32ca76ca00 100644 --- a/drivers/staging/iio/resolver/ad2s90.c +++ b/drivers/staging/iio/resolver/ad2s90.c @@ -107,6 +107,12 @@ static int ad2s90_probe(struct spi_device *spi) return devm_iio_device_register(indio_dev->dev.parent, indio_dev); } +static const struct of_device_id ad2s90_of_match[] = { + { .compatible = "adi,ad2s90", }, + {} +}; +MODULE_DEVICE_TABLE(of, ad2s90_of_match); + static const struct spi_device_id ad2s90_id[] = { { "ad2s90" }, {} @@ -116,6 +122,7 @@ MODULE_DEVICE_TABLE(spi, ad2s90_id); static struct spi_driver ad2s90_driver = { .driver = { .name = "ad2s90", + .of_match_table = of_match_ptr(ad2s90_of_match), }, .probe = ad2s90_probe, .id_table = ad2s90_id, From patchwork Fri Nov 9 22:00:40 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matheus Tavares X-Patchwork-Id: 10676583 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1FC57175A for ; Fri, 9 Nov 2018 22:01:25 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 10EC02F222 for ; Fri, 9 Nov 2018 22:01:25 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 00A622F1FA; Fri, 9 Nov 2018 22:01:24 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5D5632F1FA for ; Fri, 9 Nov 2018 22:01:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728490AbeKJHnw (ORCPT ); Sat, 10 Nov 2018 02:43:52 -0500 Received: from mail-qk1-f196.google.com ([209.85.222.196]:36967 "EHLO mail-qk1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728492AbeKJHnv (ORCPT ); Sat, 10 Nov 2018 02:43:51 -0500 Received: by mail-qk1-f196.google.com with SMTP id 131so4349169qkd.4 for ; Fri, 09 Nov 2018 14:01:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=usp-br.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=PypJCBItqAHhZtAV1pEt8q1mShtNp5yrZpvXlh8zIpA=; b=n8ECNe8XttM1lMFHrmoGegTYTbaS/vHXlJjOm1fEylbHqjTWqs2UwCRP7hLlqVsTGL XWvdnmUkTSSk/atBSubz482ZwKky/kKjn3LK75TPs2cnx7OrMd8R5akuNKs7sSxKa2Eg I6I6YZz1Eff1YYCq2A6INCqQbMg4siz2lOT1qwwa2w0AbhkoP9BQ3ihF5w/fYucmdw+i 2SISTRl6myfUHjG/0I9fAt8ip2A+QNPo1UNerhShDrbXuu/icrK+F7y6wM+Zw4afMEa2 LjLt/7JvvEdjZrmqtQpKk4jdfjTZguwBlPE6vqWu2UcySAyv9uSlyCNWVReLuYKFkhpZ vYWA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=PypJCBItqAHhZtAV1pEt8q1mShtNp5yrZpvXlh8zIpA=; b=YsfrYKmubcLAr2/dfTv7XIEo5eqkqrPIZLC0mbdO6+c3bb90CV/hscdHxmEko5/S0r azYAVIJMdyGZsh8SXulnkYuEcnujSx79WGiE2ewC0Bdx9VrC/RHcRDsVvcob2xwT0LWY sNlfUIMRSa2YTUOkquUD4NTDKo069VHcnDMxywubp0bXzQlzp/ElmXfUpx13h96nVz8o ixZmcp6B6Kswnjwbfcy3A1Cq9Jhf96p3pMQ10pr8wjaKfAnYUUR4qdhnWBlhesb3LaIy QwqVWtCuJT9P7PVQBl8aAXT/plcLebxNR1FbbmR4tJooi1ZvSQkr3bc++8+hD9kFpxsI 9rzA== X-Gm-Message-State: AGRZ1gIlBF39dRRM37lIc7PXPS0B9ZPCRZ7mOkNtbUrzkyv7B9AkJqBi 5hAEAoZtIOsvUuUiQejgNehPoQ== X-Google-Smtp-Source: AJdET5eaLOI9WM3k8hO+ymflInkgXSQpXJ9eoBHh9r2G+92J4eCOErwGMcUAzuR/sQASkrWUFjHraQ== X-Received: by 2002:aed:384a:: with SMTP id j68mr10289681qte.171.1541800880829; Fri, 09 Nov 2018 14:01:20 -0800 (PST) Received: from mango.spo.virtua.com.br ([2804:14c:81:942d::1]) by smtp.gmail.com with ESMTPSA id k6sm6082723qtk.41.2018.11.09.14.01.16 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 09 Nov 2018 14:01:20 -0800 (PST) From: Matheus Tavares To: Lars-Peter Clausen , Michael Hennerich , Jonathan Cameron , Hartmut Knaack , Peter Meerwald-Stadler , Greg Kroah-Hartman , Rob Herring , Mark Rutland Cc: linux-iio@vger.kernel.org, devel@driverdev.osuosl.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Alexandru Ardelean , kernel-usp@googlegroups.com, victorcolombo@gmail.com Subject: [PATCH 2/6] staging:iio:ad2s90: Remove spi setup that should be done via dt Date: Fri, 9 Nov 2018 20:00:40 -0200 Message-Id: <20181109220044.24843-3-matheus.bernardino@usp.br> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20181109220044.24843-1-matheus.bernardino@usp.br> References: <20181109220044.24843-1-matheus.bernardino@usp.br> Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The ad2s90 driver currently sets some spi settings (max_speed_hz and mode) at ad2s90_probe. This should, instead, be handled via device tree. This patch removes these configurations from the probe function. Note: The way in which the mentioned spi settings need to be specified on the ad2s90's node of a device tree will be documented in the future patch "dt-bindings:iio:resolver: Add docs for ad2s90". Signed-off-by: Matheus Tavares --- drivers/staging/iio/resolver/ad2s90.c | 11 ----------- 1 file changed, 11 deletions(-) diff --git a/drivers/staging/iio/resolver/ad2s90.c b/drivers/staging/iio/resolver/ad2s90.c index ff32ca76ca00..95c118c48400 100644 --- a/drivers/staging/iio/resolver/ad2s90.c +++ b/drivers/staging/iio/resolver/ad2s90.c @@ -77,7 +77,6 @@ static int ad2s90_probe(struct spi_device *spi) { struct iio_dev *indio_dev; struct ad2s90_state *st; - int ret; indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st)); if (!indio_dev) @@ -94,16 +93,6 @@ static int ad2s90_probe(struct spi_device *spi) indio_dev->num_channels = 1; indio_dev->name = spi_get_device_id(spi)->name; - /* need 600ns between CS and the first falling edge of SCLK */ - spi->max_speed_hz = 830000; - spi->mode = SPI_MODE_3; - ret = spi_setup(spi); - - if (ret < 0) { - dev_err(&spi->dev, "spi_setup failed!\n"); - return ret; - } - return devm_iio_device_register(indio_dev->dev.parent, indio_dev); } From patchwork Fri Nov 9 22:00:41 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matheus Tavares X-Patchwork-Id: 10676585 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id EF80214DB for ; Fri, 9 Nov 2018 22:01:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DDAD12F1FA for ; Fri, 9 Nov 2018 22:01:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D18AC2F2F4; Fri, 9 Nov 2018 22:01:27 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 734B72F1FA for ; Fri, 9 Nov 2018 22:01:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728329AbeKJHn4 (ORCPT ); Sat, 10 Nov 2018 02:43:56 -0500 Received: from mail-qk1-f195.google.com ([209.85.222.195]:45338 "EHLO mail-qk1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728492AbeKJHn4 (ORCPT ); Sat, 10 Nov 2018 02:43:56 -0500 Received: by mail-qk1-f195.google.com with SMTP id d135so4341704qkc.12 for ; Fri, 09 Nov 2018 14:01:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=usp-br.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=gyA4qzOls2dsDUjH6ST4e0OKCIbB05c/8v+y7nhk1V4=; b=HGwpQeCLEUulEQrOBOVKkjGIqghtUITOC0ckE/3SfPwmVOobwnI32YUbh85q0awaBQ J+KI1prFWJ98s0gcXVtKOxj/de+HEo+maYiAwDD8g17xuRZQNdZkxqzs55kpE97rWo+R bty1WvAgGS70IJlhXRI4rBWBoIhIGbgFn+shZQMIHMIMIcX3w3c+PYtPLUzR0ywXRp9O 8A2I5r4l0TaCUn1vQn9SufQKeZ3qfBZ5B5tAqvHHwXz10V0O2W+9rvE9tTxKHFDvFZZm bOSyjHRrqGomfR7bIZyjpuAqi+9z7iTFc/xqJoknzS50lmtDwjCBynp/Jobvv8swNAWU n8+Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=gyA4qzOls2dsDUjH6ST4e0OKCIbB05c/8v+y7nhk1V4=; b=M3ijcjh8+GHOK4GZys9k3eMTY3Y2KZNU1R6xS7nV+LZDf0xJBH3xMLoynrYUaIdbj/ rF6BeDngoY4frtpMAahOGaEeqOVYTg3Zg2WVJnoGd6h/ifnGEelPXsMoE7lqAWgrQqBX bftkNi26SZFvWdGykRjSI9+zYTbTkYD5qzKIyLmPf1G9dI65QGBOp41wGceYL9O21M3D AvJ6bjx2OWSTVbc4ABI9B7X33l0oEkWzve1QbSPpmhZsi5ctYI33wty4nUz4MlNHSk22 QF8iPDZXg5MulAOKx7B2CJlyv9C0ZOHwq3EcmRZwTq18xEClySxBC5ghN6Rc/qc1DZl5 imwQ== X-Gm-Message-State: AGRZ1gIiUhdRtIZ7e2yR2C1a7JfYAcVnRHiJGS27BGqRv8yEfkd7etca Uw3lRCEyrdUm4hTq0hudSPKdmcnlCJd9sg== X-Google-Smtp-Source: AJdET5f/KLCnyHZgNED3vTKjaHsL92kTxzZbo0naegSsvxqoT1sye/7PBziFZKD7fn84V6S3TfMUWQ== X-Received: by 2002:ac8:2b99:: with SMTP id m25mr7214545qtm.36.1541800885112; Fri, 09 Nov 2018 14:01:25 -0800 (PST) Received: from mango.spo.virtua.com.br ([2804:14c:81:942d::1]) by smtp.gmail.com with ESMTPSA id k6sm6082723qtk.41.2018.11.09.14.01.21 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 09 Nov 2018 14:01:24 -0800 (PST) From: Matheus Tavares To: Lars-Peter Clausen , Michael Hennerich , Jonathan Cameron , Hartmut Knaack , Peter Meerwald-Stadler , Greg Kroah-Hartman , Rob Herring , Mark Rutland Cc: linux-iio@vger.kernel.org, devel@driverdev.osuosl.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Alexandru Ardelean , kernel-usp@googlegroups.com, victorcolombo@gmail.com Subject: [PATCH 3/6] staging:iio:ad2s90: Add max frequency check at probe Date: Fri, 9 Nov 2018 20:00:41 -0200 Message-Id: <20181109220044.24843-4-matheus.bernardino@usp.br> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20181109220044.24843-1-matheus.bernardino@usp.br> References: <20181109220044.24843-1-matheus.bernardino@usp.br> Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds a max frequency check at the beginning of ad2s90_probe function so that when it is set to a value above 0.83Mhz, dev_err is called with an appropriate message and -EINVAL is returned. The defined limit is 0.83Mhz instead of 2Mhz, which is the chip's max frequency as specified in the datasheet, because, as also specified in the datasheet, a 600ns delay is expected between the application of a logic LO to CS and the application of SCLK. Since the delay is not implemented in the spi code, to satisfy it, SCLK's period should be at most 2 * 600ns, so the max frequency should be 1 / (2 * 6e-7), which gives roughly 830000Hz. Signed-off-by: Matheus Tavares Signed-off-by: Alexandru Ardelean --- Alex's S-o-B was added because he gave the code suggestion for this patch. drivers/staging/iio/resolver/ad2s90.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/staging/iio/resolver/ad2s90.c b/drivers/staging/iio/resolver/ad2s90.c index 95c118c48400..949ff55ac6b0 100644 --- a/drivers/staging/iio/resolver/ad2s90.c +++ b/drivers/staging/iio/resolver/ad2s90.c @@ -19,6 +19,12 @@ #include #include +/* + * Although chip's max frequency is 2Mhz, it needs 600ns between CS and the + * first falling edge of SCLK, so frequency should be at most 1 / (2 * 6e-7) + */ +#define AD2S90_MAX_SPI_FREQ_HZ 830000 + struct ad2s90_state { struct mutex lock; struct spi_device *sdev; @@ -78,6 +84,12 @@ static int ad2s90_probe(struct spi_device *spi) struct iio_dev *indio_dev; struct ad2s90_state *st; + if (spi->max_speed_hz > AD2S90_MAX_SPI_FREQ_HZ) { + dev_err(&spi->dev, "SPI CLK, %d Hz exceeds %d Hz\n", + spi->max_speed_hz, AD2S90_MAX_SPI_FREQ_HZ); + return -EINVAL; + } + indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st)); if (!indio_dev) return -ENOMEM; From patchwork Fri Nov 9 22:00:42 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matheus Tavares X-Patchwork-Id: 10676587 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0BE1914DB for ; Fri, 9 Nov 2018 22:01:33 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id ECD7B2ECCE for ; Fri, 9 Nov 2018 22:01:32 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DFAF72F2F4; Fri, 9 Nov 2018 22:01:32 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 844CC2ECCE for ; Fri, 9 Nov 2018 22:01:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728586AbeKJHoA (ORCPT ); Sat, 10 Nov 2018 02:44:00 -0500 Received: from mail-qk1-f173.google.com ([209.85.222.173]:39754 "EHLO mail-qk1-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728565AbeKJHoA (ORCPT ); Sat, 10 Nov 2018 02:44:00 -0500 Received: by mail-qk1-f173.google.com with SMTP id e4so4340183qkh.6 for ; Fri, 09 Nov 2018 14:01:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=usp-br.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=LhpxHGS44Lcj5Lch5D6YJeYb8TZ7ZrrJRAOf+39PfYk=; b=ahqEazFPXrR326X1+ybyRmOJ54W6cO27ZGRlOy4Nn929cxSXbcA6ac+BrYxLEZkiQW bCGG/IbrQo3dkvj3h9xmZSzoPKrE5ArMVbTuMoo8hg83QvLFkcF7rjoimSM9zjoazo2G /8dL8/WQVmkUIyboPHNj7Nv5wIC5zQosAZd58BMNGEelZ3KzC+EFfkUMGQVn8BD0L87w l9C3uYJD5dpLf4PM0QgmWwaLRMSg0FyNgYxbv8bTwVzijdXsRmUfTPQUHvZjDetKBw76 vZoGEE0HL+JQJOCtU4OrTpdr255YHCecMUfdEHB+05mgD4dppvY5F6BGI8SEHQv6WvZz QNrQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=LhpxHGS44Lcj5Lch5D6YJeYb8TZ7ZrrJRAOf+39PfYk=; b=SxIoaEg/N5QhyNkAxuaFpVSx81wyPWgzAYxBni5rDMOcCUbWj+5McrPRnmqAKZaFf/ J5XKGT6KlJOVqu7N3VdfK3egbj7Nho/qTWO/WV5QDnXd7JOTpx+0X5l/7cF2BraxTMED sOZd8XzhEYKLAjc2T77f28DseGFPQUpSk5RAu4VPgTkkZwfcFp1SGi7pcPV0JEEFx8C4 X2AiwZFHCf+Ucwqr7R/3O14al1p7hiyDBMVnmpFfHH+Ww9LAdCMlFXZv6s6/kb/iWBNV MxLw5UajhaMiOJuBPJm6dY25M76XrJdAscKLnktOzUfU3oYocwgr3bUHuqjMcbQYo7AK CP2A== X-Gm-Message-State: AGRZ1gJfD4tKgsgUQBzL0BIMY+vxbC4ni4EPq6I1zRSHZlGG2cYKjlDQ ylrwFO1rVLH5PwCVuRBSm9d23w== X-Google-Smtp-Source: AJdET5dfosKORZMJ/SXRBPjaQAUx4+GjI4d149fU+6gZ0txwAQIOts5VEfXZOUAkOX06qgBHKfvbQg== X-Received: by 2002:a37:2008:: with SMTP id g8mr9822709qkg.120.1541800889594; Fri, 09 Nov 2018 14:01:29 -0800 (PST) Received: from mango.spo.virtua.com.br ([2804:14c:81:942d::1]) by smtp.gmail.com with ESMTPSA id k6sm6082723qtk.41.2018.11.09.14.01.25 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 09 Nov 2018 14:01:29 -0800 (PST) From: Matheus Tavares To: Lars-Peter Clausen , Michael Hennerich , Jonathan Cameron , Hartmut Knaack , Peter Meerwald-Stadler , Greg Kroah-Hartman , Rob Herring , Mark Rutland Cc: linux-iio@vger.kernel.org, devel@driverdev.osuosl.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Alexandru Ardelean , kernel-usp@googlegroups.com, victorcolombo@gmail.com Subject: [PATCH 4/6] dt-bindings:iio:resolver: Add docs for ad2s90 Date: Fri, 9 Nov 2018 20:00:42 -0200 Message-Id: <20181109220044.24843-5-matheus.bernardino@usp.br> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20181109220044.24843-1-matheus.bernardino@usp.br> References: <20181109220044.24843-1-matheus.bernardino@usp.br> Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds the device tree binding documentation for the ad2s90 resolver-to-digital converter. Signed-off-by: Matheus Tavares --- .../bindings/iio/resolver/ad2s90.txt | 26 +++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/resolver/ad2s90.txt diff --git a/Documentation/devicetree/bindings/iio/resolver/ad2s90.txt b/Documentation/devicetree/bindings/iio/resolver/ad2s90.txt new file mode 100644 index 000000000000..b42cc7752ffd --- /dev/null +++ b/Documentation/devicetree/bindings/iio/resolver/ad2s90.txt @@ -0,0 +1,26 @@ +Analog Devices AD2S90 Resolver-to-Digital Converter + +https://www.analog.com/en/products/ad2s90.html + +Required properties: + - compatible : should be "adi,ad2s90" + - reg : SPI chip select number for the device + - spi-max-frequency : set maximum clock frequency, must be 830000 + - spi-cpol and spi-cpha : must be defined to enable SPI mode 3 + +Note about max frequency: + Chip's max frequency, as specified in its datasheet, is 2Mhz. But a 600ns + delay is expected between the application of a logic LO to CS and the + application of SCLK, as also specified. And since the delay is not + implemented in the spi code, to satisfy it, SCLK's period should be at most + 2 * 600ns, so the max frequency should be 1 / (2 * 6e-7), which gives + roughly 830000Hz. + +Example: +resolver@0 { + compatible = "adi,ad2s90"; + reg = <0>; + spi-max-frequency = <830000>; + spi-cpol; + spi-cpha; +}; From patchwork Fri Nov 9 22:00:43 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matheus Tavares X-Patchwork-Id: 10676589 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4389E15E9 for ; Fri, 9 Nov 2018 22:01:38 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 348492ECCE for ; Fri, 9 Nov 2018 22:01:38 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 25BA72F2F4; Fri, 9 Nov 2018 22:01:38 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 14B7B2ECCE for ; Fri, 9 Nov 2018 22:01:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728627AbeKJHoE (ORCPT ); Sat, 10 Nov 2018 02:44:04 -0500 Received: from mail-qk1-f194.google.com ([209.85.222.194]:34160 "EHLO mail-qk1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728564AbeKJHoE (ORCPT ); Sat, 10 Nov 2018 02:44:04 -0500 Received: by mail-qk1-f194.google.com with SMTP id a132so4352032qkg.1 for ; Fri, 09 Nov 2018 14:01:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=usp-br.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=V8cYmRlqTfNBOdNYMRR81wcszfkAodJ8iKTi/B1OPdc=; b=mW1FtTWZuN9J2aWOjEaZVESgUwH2fQS/c+OPw5pXryIYj6OYo6s3yozhU0eGDH2JbX bwabyj9W9AvNnJlEK45ixwZthKMnklaGms7/pAqKPWnUOwMTivk5x9PEd8W8UWDIsTYY X7ylmZY7qRxvI/VPmFc1C74fOgAX8vFeoC8mMXRS7wkkz37UpIDv9qST3rdD4MNE+Hhl BQpF6CRgdoiC2VTZSh3NLmSbFWaGqrnMr2eijBBwznX0aOFv6Q/DqEB40P2mvwOyIfC3 DMApsHQxc4GRorgXdUAzHA+wOdfXbxiqdEIVHA0hCcJWGw4oySbeETJn0Wd/pHnbdFss aPAA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=V8cYmRlqTfNBOdNYMRR81wcszfkAodJ8iKTi/B1OPdc=; b=LxqOzINzTZf9imiPW5i5fLlzaPH7NiMHFHPcE/XUj2IUBSrqwSA254Mf2T4WvMJNzu 9Cc5JJj9otLCxI1F3/nwBPqE0YHCqTi7Gc2MJ1HfNyuZYnooYPlxF4tJg9ZjhwGo8bxo jZ3w3+GTBW7CF4Jla+pTFAH9788z1p4710fj5SKIiOrNhajjARF3SSoYM1C9IUTE/qnm d8jUBB96Opq03oA7RCZom3lQbhPwAi/12jiVNqm9BhD/LRO8pwignfD+5ivTufihrZ0l a7DzBpnAFHzZlRQOO9CxKIMm3PH/li3ljQa4ZjyWG4OtD4HBzko6IgG+DtN8rB4ob+ya r3dQ== X-Gm-Message-State: AGRZ1gK0f2UzFHlTPasFB8TAYmqjYb0LyRuTrjnuxSXllneAbk4KFRws OTmyLzAgVidqpnPvzBgpc5Luig== X-Google-Smtp-Source: AJdET5daw5Dp20yirmuN36fsNYUVedPH6Zykq7MjCveOXKknyx3V1clEZLAslfj3Y4gwKvp6fyh2cQ== X-Received: by 2002:a0c:8ae3:: with SMTP id 32mr10495853qvw.27.1541800893976; Fri, 09 Nov 2018 14:01:33 -0800 (PST) Received: from mango.spo.virtua.com.br ([2804:14c:81:942d::1]) by smtp.gmail.com with ESMTPSA id k6sm6082723qtk.41.2018.11.09.14.01.29 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 09 Nov 2018 14:01:33 -0800 (PST) From: Matheus Tavares To: Lars-Peter Clausen , Michael Hennerich , Jonathan Cameron , Hartmut Knaack , Peter Meerwald-Stadler , Greg Kroah-Hartman , Rob Herring , Mark Rutland Cc: linux-iio@vger.kernel.org, devel@driverdev.osuosl.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Alexandru Ardelean , kernel-usp@googlegroups.com, victorcolombo@gmail.com Subject: [PATCH 5/6] staging:iio:ad2s90: Add SPDX license identifier Date: Fri, 9 Nov 2018 20:00:43 -0200 Message-Id: <20181109220044.24843-6-matheus.bernardino@usp.br> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20181109220044.24843-1-matheus.bernardino@usp.br> References: <20181109220044.24843-1-matheus.bernardino@usp.br> Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds the SPDX GPL-2.0-only license identifier to ad2s90.c, which solves the checkpatch.pl warning: "WARNING: Missing or malformed SPDX-License-Identifier tag in line 1". Signed-off-by: Matheus Tavares --- drivers/staging/iio/resolver/ad2s90.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/staging/iio/resolver/ad2s90.c b/drivers/staging/iio/resolver/ad2s90.c index 949ff55ac6b0..f439da721df8 100644 --- a/drivers/staging/iio/resolver/ad2s90.c +++ b/drivers/staging/iio/resolver/ad2s90.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * ad2s90.c simple support for the ADI Resolver to Digital Converters: AD2S90 * From patchwork Fri Nov 9 22:00:44 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matheus Tavares X-Patchwork-Id: 10676591 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 49F3B15E9 for ; Fri, 9 Nov 2018 22:01:42 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3CDB12ECCE for ; Fri, 9 Nov 2018 22:01:42 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 30A1A2F2F4; Fri, 9 Nov 2018 22:01:42 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BEBD22ECCE for ; Fri, 9 Nov 2018 22:01:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728279AbeKJHoJ (ORCPT ); Sat, 10 Nov 2018 02:44:09 -0500 Received: from mail-qk1-f193.google.com ([209.85.222.193]:44523 "EHLO mail-qk1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728594AbeKJHoJ (ORCPT ); Sat, 10 Nov 2018 02:44:09 -0500 Received: by mail-qk1-f193.google.com with SMTP id n12so4349823qkh.11 for ; Fri, 09 Nov 2018 14:01:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=usp-br.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=MSlin5B0a6rI0+juz072I5/ZS+PXCrHG9HcXDmJFVy0=; b=fffYERGGl4klbiOHWvPifaD8udAr7P8XbIpKfhfLedTudN8DLX333DN/2mKfss8Pqz MWMp1Y3NzfqHmXfeSAhlivp6wpbdjX8eJ5aZr2LvDaAzBawmUEXbc7q0wo53EopmfjCS wFEHEdDc8UwlFLa/vEYpJZYswFW8KwGRIGGEFT7l51seIpfj+GfCGNf3YAMRXvSoIzRZ i9nrmiGfq8AA4FrUDvDFAe6eidNRCeew7FZ/A5KvtDRFscLE+Qi8pTJT5urPAYP+syz6 hbgP5gwA+xVbgVOibqAg4CO0aVqNl8bxssOprj71zNV7O7Wzy+m/8OTeNxvL/cGc6mlP TH5Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=MSlin5B0a6rI0+juz072I5/ZS+PXCrHG9HcXDmJFVy0=; b=TpA176F2xIzWyPJWiObne31TPEkxjE6Ht2rFMiZ+Y3ZNr35eS4DVf0DOwo+iE6p6DG D7kSj9uQaSSSWM97YSpgK9FKb35nB3lCaV3e3RGYfRPhiWiYT1emsT3Nc45a36zkUw9a NKr5w8LfvoVDiN35KNqISS4WHh0o2JKJ7G0vbTfgIiE9unlNaoqQGeg/Wu9AN87/EU9J PyYStYufa6II3WN6qZQG7mVL/IwRXmsUlWvXnOL2+LhuhTVNlMKzaQ527xiGGDHsrS/B 2ZJUWWvNbd+pCiKYPecamCuS9ORbpdjM7x4aTG+f+RafYSBga3ODcieblU0bFG7GA9s2 QORA== X-Gm-Message-State: AGRZ1gL+DLqATztzBYkh2aVI8lDNAM2CFyW+otfjAxAHgY1BCfBAPa6L JBQ8HW0e4j7mZI74Wl0esgwlbQ== X-Google-Smtp-Source: AJdET5c7OjS9+1QzyBibM9oyQ+s23wLvblv+dJDoeja92/0ZbFSUI1ly1SL4hdLRfQudQMwVLK8oOw== X-Received: by 2002:a37:b405:: with SMTP id d5mr9941364qkf.162.1541800898308; Fri, 09 Nov 2018 14:01:38 -0800 (PST) Received: from mango.spo.virtua.com.br ([2804:14c:81:942d::1]) by smtp.gmail.com with ESMTPSA id k6sm6082723qtk.41.2018.11.09.14.01.34 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 09 Nov 2018 14:01:37 -0800 (PST) From: Matheus Tavares To: Lars-Peter Clausen , Michael Hennerich , Jonathan Cameron , Hartmut Knaack , Peter Meerwald-Stadler , Greg Kroah-Hartman , Rob Herring , Mark Rutland Cc: linux-iio@vger.kernel.org, devel@driverdev.osuosl.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Alexandru Ardelean , kernel-usp@googlegroups.com, victorcolombo@gmail.com Subject: [PATCH 6/6] staging:iio:ad2s90: Move out of staging Date: Fri, 9 Nov 2018 20:00:44 -0200 Message-Id: <20181109220044.24843-7-matheus.bernardino@usp.br> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20181109220044.24843-1-matheus.bernardino@usp.br> References: <20181109220044.24843-1-matheus.bernardino@usp.br> Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Move ad2s90 resolver driver out of staging to the main tree. Signed-off-by: Matheus Tavares Signed-off-by: Victor Colombo --- drivers/iio/resolver/Kconfig | 10 ++++++++++ drivers/iio/resolver/Makefile | 1 + drivers/{staging => }/iio/resolver/ad2s90.c | 0 drivers/staging/iio/resolver/Kconfig | 10 ---------- drivers/staging/iio/resolver/Makefile | 1 - 5 files changed, 11 insertions(+), 11 deletions(-) rename drivers/{staging => }/iio/resolver/ad2s90.c (100%) diff --git a/drivers/iio/resolver/Kconfig b/drivers/iio/resolver/Kconfig index 2ced9f22aa70..786801be54f6 100644 --- a/drivers/iio/resolver/Kconfig +++ b/drivers/iio/resolver/Kconfig @@ -3,6 +3,16 @@ # menu "Resolver to digital converters" +config AD2S90 + tristate "Analog Devices ad2s90 driver" + depends on SPI + help + Say yes here to build support for Analog Devices spi resolver + to digital converters, ad2s90, provides direct access via sysfs. + + To compile this driver as a module, choose M here: the + module will be called ad2s90. + config AD2S1200 tristate "Analog Devices ad2s1200/ad2s1205 driver" depends on SPI diff --git a/drivers/iio/resolver/Makefile b/drivers/iio/resolver/Makefile index 4e1dccae07e7..398d82d50028 100644 --- a/drivers/iio/resolver/Makefile +++ b/drivers/iio/resolver/Makefile @@ -2,4 +2,5 @@ # Makefile for Resolver/Synchro drivers # +obj-$(CONFIG_AD2S90) += ad2s90.o obj-$(CONFIG_AD2S1200) += ad2s1200.o diff --git a/drivers/staging/iio/resolver/ad2s90.c b/drivers/iio/resolver/ad2s90.c similarity index 100% rename from drivers/staging/iio/resolver/ad2s90.c rename to drivers/iio/resolver/ad2s90.c diff --git a/drivers/staging/iio/resolver/Kconfig b/drivers/staging/iio/resolver/Kconfig index 6a469ee6101f..4a727c17bb8f 100644 --- a/drivers/staging/iio/resolver/Kconfig +++ b/drivers/staging/iio/resolver/Kconfig @@ -3,16 +3,6 @@ # menu "Resolver to digital converters" -config AD2S90 - tristate "Analog Devices ad2s90 driver" - depends on SPI - help - Say yes here to build support for Analog Devices spi resolver - to digital converters, ad2s90, provides direct access via sysfs. - - To compile this driver as a module, choose M here: the - module will be called ad2s90. - config AD2S1210 tristate "Analog Devices ad2s1210 driver" depends on SPI diff --git a/drivers/staging/iio/resolver/Makefile b/drivers/staging/iio/resolver/Makefile index 8d901dc7500b..b2049f2ce36e 100644 --- a/drivers/staging/iio/resolver/Makefile +++ b/drivers/staging/iio/resolver/Makefile @@ -2,5 +2,4 @@ # Makefile for Resolver/Synchro drivers # -obj-$(CONFIG_AD2S90) += ad2s90.o obj-$(CONFIG_AD2S1210) += ad2s1210.o