From patchwork Sun Sep 11 01:40:44 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matt Ranostay X-Patchwork-Id: 12972744 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 76795C6FA8B for ; Sun, 11 Sep 2022 01:41:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229531AbiIKBlM (ORCPT ); Sat, 10 Sep 2022 21:41:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44060 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229589AbiIKBlJ (ORCPT ); Sat, 10 Sep 2022 21:41:09 -0400 Received: from mail-qv1-xf31.google.com (mail-qv1-xf31.google.com [IPv6:2607:f8b0:4864:20::f31]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CBB6732DA4 for ; Sat, 10 Sep 2022 18:41:07 -0700 (PDT) Received: by mail-qv1-xf31.google.com with SMTP id l5so4230637qvs.13 for ; Sat, 10 Sep 2022 18:41:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=konsulko.com; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date; bh=TVCgLHI6doxJO+C8xmrBxNy2DyFsnEYY2dswoZKE5JM=; b=oeoaIkxV0Fuf+OqJSjW+T81ab/aP9Fg5NTRvgrXw7z46AbDt4qN44e050xDr2FKgIZ FwYJjVPvdalFc2rVV/OPkhuxaVm9CFHHwL0BsHGR4/9APHGFMZMSimDl6GyIqKPTgEMQ +k33C3tcZ9S8IlnS0Kl11cWBGccWB7LtOfayE= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date; bh=TVCgLHI6doxJO+C8xmrBxNy2DyFsnEYY2dswoZKE5JM=; b=oSzf9yYJvdKP4UKgP3UrAdJ4ledQuepPGStw+0xZumpdL2mog9gpO4Agvj0SCg84ko SWzu6U7o/YIXr+8Gbr57nM0wLtD448kVyOGfeZIDGNj1htyFym7zGcAwpMg0kx8iCha1 Ww7n/hTbDPNhrCNt+vST36VRFsHIJnnM789+/CUrwa4dUYG4Zl8eEEZKI8/DG5dd/FSN Nn+AlF+zVTUD7XyBMpMUSPy8bsBEvGeQomfA+oJWA7UwzP8hJCNkDXeIUzUjuzuxAhz7 PeE/Zy6fe2O4glL0nUv82T67zLn02dmlgsYr/49vRED7z6l0OnOy1PbGo0rX5P1LpBaT wCtg== X-Gm-Message-State: ACgBeo2Te0USopN4f6e/KDCAJtVGTd9RYPuLjluI8CuPIT2zkylVGN5z yrcRupG/Ny3gkjaKv5ImOfHpH3CavuPD3s+xarQ= X-Google-Smtp-Source: AA6agR6dbbSLsAlHCay/8aZh/7yY8ZouRstyZCThCYHwwTqxn4RetkzUX74LqLnee1WzVt6w3HVDsg== X-Received: by 2002:a05:6214:2a81:b0:473:af82:9a95 with SMTP id jr1-20020a0562142a8100b00473af829a95mr17908794qvb.44.1662860467002; Sat, 10 Sep 2022 18:41:07 -0700 (PDT) Received: from localhost.localdomain ([159.65.38.31]) by smtp.gmail.com with ESMTPSA id q26-20020ac8451a000000b003438a8e842fsm3542973qtn.44.2022.09.10.18.41.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 10 Sep 2022 18:41:06 -0700 (PDT) From: Matt Ranostay To: jic23@kernel.org, gupt21@gmail.com Cc: linux-input@vger.kernel.org, linux-i2c@vger.kernel.org, Matt Ranostay Subject: [PATCH v2 1/5] i2c: muxes: ltc4306: fix future recursive dependencies Date: Sat, 10 Sep 2022 18:40:44 -0700 Message-Id: <20220911014048.64235-2-matt.ranostay@konsulko.com> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20220911014048.64235-1-matt.ranostay@konsulko.com> References: <20220911014048.64235-1-matt.ranostay@konsulko.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org When using 'imply IIO' for other configurations which have 'select GPIOLIB' the following recursive dependency detected happens for I2C_MUX_LTC4306 Switch from 'select GPIOLIB' to 'depends on GPIOLIB' to avoid this per recommendation in kconfig-language.rst drivers/gpio/Kconfig:14:error: recursive dependency detected! drivers/gpio/Kconfig:14: symbol GPIOLIB is selected by I2C_MUX_LTC4306 drivers/i2c/muxes/Kconfig:47: symbol I2C_MUX_LTC4306 depends on I2C_MUX drivers/i2c/Kconfig:62: symbol I2C_MUX is selected by MPU3050_I2C drivers/iio/gyro/Kconfig:127: symbol MPU3050_I2C depends on IIO drivers/iio/Kconfig:6: symbol IIO is implied by HID_MCP2221 drivers/hid/Kconfig:1227: symbol HID_MCP2221 depends on GPIOLIB Signed-off-by: Matt Ranostay --- drivers/i2c/muxes/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/i2c/muxes/Kconfig b/drivers/i2c/muxes/Kconfig index ea838dbae32e..7b6a68df4a39 100644 --- a/drivers/i2c/muxes/Kconfig +++ b/drivers/i2c/muxes/Kconfig @@ -46,7 +46,7 @@ config I2C_MUX_GPMUX config I2C_MUX_LTC4306 tristate "LTC LTC4306/5 I2C multiplexer" - select GPIOLIB + depends on GPIOLIB select REGMAP_I2C help If you say yes here you get support for the Analog Devices From patchwork Sun Sep 11 01:40:45 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matt Ranostay X-Patchwork-Id: 12972745 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 21A30ECAAD5 for ; Sun, 11 Sep 2022 01:41:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229622AbiIKBlM (ORCPT ); Sat, 10 Sep 2022 21:41:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44106 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229635AbiIKBlK (ORCPT ); Sat, 10 Sep 2022 21:41:10 -0400 Received: from mail-qv1-xf2b.google.com (mail-qv1-xf2b.google.com [IPv6:2607:f8b0:4864:20::f2b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5B3F533414 for ; Sat, 10 Sep 2022 18:41:09 -0700 (PDT) Received: by mail-qv1-xf2b.google.com with SMTP id m9so4247677qvv.7 for ; Sat, 10 Sep 2022 18:41:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=konsulko.com; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date; bh=YEluTMkVQhnCulwc8lwLW2vyLgQvDTIQ3djmLSBHRwA=; b=PGqMJMAvDWyttgnWm0pTyDnKcUYAigL+jt5p10BN4nhxbUYKdD0mM5Sx9Rb9coaNMp GKCLFsWg9iZYxt9eHTvm4Y2SLxZH+N1+wqPM103T6qU3fZ9nBxLqeUYBfT3iOV2exiTm Y2O2bNywBgw1+A6PD5S/PmdQEw8xmt+iLK36Q= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date; bh=YEluTMkVQhnCulwc8lwLW2vyLgQvDTIQ3djmLSBHRwA=; b=Mf1jPsA/Im2AnkjUwUQHGF7yog/lZJovKymIx8HjZ0CQRdpniREYqsMOuiLQuh2odt 9RgMjhz5PTc53PhPRZZPqGLrJZkBAr47hXYBoPzN0j5prqJyNlkt8DwRrHkCeLqZZTOV YxsbQT0EWpw73zG346nOfR2xESHIghpmMmmYhtgMAx+QNFEljhaTvaeadq60GB1G8vQF EdyYoGZanDAPjEgzAuanOui9GwqTHC59g9W7yu2PaYdTiFT4JgSxPXl5sobidEklAMuu a+Mgv2CfaW7+ei0BVbfGf8JLYXFCXf7NcSpCLOuKKaey708FCZavnef/qTxQ8gVHmk6A z05w== X-Gm-Message-State: ACgBeo3J5DlJkmHmi8BftWuVIzyCqrvBLS4WuWceQ7/2xOXUwaj4IrqK Dja6nK1HdSlYMtDnTae9vlo0zw== X-Google-Smtp-Source: AA6agR49EZ9pGn5pO7p824CWVfWBv3bH2r7zOT5v+m9hhUjZTTPRCXQBLcb0Ut+1YsJi8/fnL/E4fA== X-Received: by 2002:a05:6214:2588:b0:49e:5dea:8e66 with SMTP id fq8-20020a056214258800b0049e5dea8e66mr17942488qvb.21.1662860468523; Sat, 10 Sep 2022 18:41:08 -0700 (PDT) Received: from localhost.localdomain ([159.65.38.31]) by smtp.gmail.com with ESMTPSA id q26-20020ac8451a000000b003438a8e842fsm3542973qtn.44.2022.09.10.18.41.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 10 Sep 2022 18:41:08 -0700 (PDT) From: Matt Ranostay To: jic23@kernel.org, gupt21@gmail.com Cc: linux-input@vger.kernel.org, linux-i2c@vger.kernel.org, Matt Ranostay Subject: [PATCH v2 2/5] iio: addac: stx104: fix future recursive dependencies Date: Sat, 10 Sep 2022 18:40:45 -0700 Message-Id: <20220911014048.64235-3-matt.ranostay@konsulko.com> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20220911014048.64235-1-matt.ranostay@konsulko.com> References: <20220911014048.64235-1-matt.ranostay@konsulko.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org When using 'imply IIO' for other configurations which have 'select GPIOLIB' the following recursive dependency detected happens for STX1040 Switch from 'select GPIOLIB' to 'depends on GPIOLIB' to avoid this per recommendation in kconfig-language.rst drivers/gpio/Kconfig:14:error: recursive dependency detected! drivers/gpio/Kconfig:14: symbol GPIOLIB is selected by STX104 drivers/iio/addac/Kconfig:20: symbol STX104 depends on IIO drivers/iio/Kconfig:6: symbol IIO is implied by HID_MCP2221 drivers/hid/Kconfig:1227: symbol HID_MCP2221 depends on GPIOLIB Signed-off-by: Matt Ranostay --- drivers/iio/addac/Kconfig | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/iio/addac/Kconfig b/drivers/iio/addac/Kconfig index fcf6d2269bfc..494790816ac7 100644 --- a/drivers/iio/addac/Kconfig +++ b/drivers/iio/addac/Kconfig @@ -19,9 +19,8 @@ config AD74413R config STX104 tristate "Apex Embedded Systems STX104 driver" - depends on PC104 && X86 + depends on PC104 && X86 && GPIOLIB select ISA_BUS_API - select GPIOLIB help Say yes here to build support for the Apex Embedded Systems STX104 integrated analog PC/104 card. From patchwork Sun Sep 11 01:40:46 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matt Ranostay X-Patchwork-Id: 12972746 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5979CC6FA8E for ; Sun, 11 Sep 2022 01:41:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229764AbiIKBlN (ORCPT ); Sat, 10 Sep 2022 21:41:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44134 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229872AbiIKBlL (ORCPT ); Sat, 10 Sep 2022 21:41:11 -0400 Received: from mail-qk1-x734.google.com (mail-qk1-x734.google.com [IPv6:2607:f8b0:4864:20::734]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C2ECD33424 for ; Sat, 10 Sep 2022 18:41:10 -0700 (PDT) Received: by mail-qk1-x734.google.com with SMTP id c19so1961689qkm.7 for ; Sat, 10 Sep 2022 18:41:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=konsulko.com; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date; bh=wUfUODMZKfU/KRMGIPcJ/EprHfUIajE7CfzqJDq54Sc=; b=X/wGV2VLKPM41GBNPVmj/Ik9dl6bKc59iC9TiPfHcpc9QgI8SbLKntgeQCqoA7MqgV g1zOHz7umwNdtI6zKQiKh8JOftpweA418DhQmaGp5+OPfME2mCYYl7B9fwE2iNnud3vl XYdECviAx0Nci2jpYOOCS8wnuD4vYFRXSz3ZA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date; bh=wUfUODMZKfU/KRMGIPcJ/EprHfUIajE7CfzqJDq54Sc=; b=dEAqBSgmNnMxRw2ZdK4N+Ymb2kSbVd6lw5EkFjAu/eBqUauxSSSYnpezjQD2hc33W4 bJU+loyx+RYj0ARSmfZtNga8XadOCU+pnMJXhgfEm7mSV7FstypRvNE0qzRcxDmkiZeG C8uNAXCKzW7NcPLbEqe3bTWqIrWHYKBkxuKbyWFzcaKDDJiqmym92uz6eQs/ePyj2LcV mM9iGqgaVebk6xSOYxYUOw9IJjZBn/j/lXN3sMM8olLBF0hOjltcvkb815zMcdhYzoDB 4Mj88Aov6eVeh/dXn4l9bNfE6Sm26DkeYhtQKdW6gB3F4T46qIS1ykPtEt7Ivw7U9QPe w8Zg== X-Gm-Message-State: ACgBeo3e+TZHIksEJIc5Ope3GSoE4ClNBhRH2CteIlWnEUY4HvWp8yH7 UNT4jtY9wSb7UH8uqlOEGmu/ZA== X-Google-Smtp-Source: AA6agR7gtrVhQaNCx+8D8JtPVoCa7mQHb9j8E6uOWozp39f7/GAVTA8jFLa/bqQYpCgkpB1zm3OQWw== X-Received: by 2002:a37:68c6:0:b0:6cd:e798:f07c with SMTP id d189-20020a3768c6000000b006cde798f07cmr5503925qkc.596.1662860469940; Sat, 10 Sep 2022 18:41:09 -0700 (PDT) Received: from localhost.localdomain ([159.65.38.31]) by smtp.gmail.com with ESMTPSA id q26-20020ac8451a000000b003438a8e842fsm3542973qtn.44.2022.09.10.18.41.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 10 Sep 2022 18:41:09 -0700 (PDT) From: Matt Ranostay To: jic23@kernel.org, gupt21@gmail.com Cc: linux-input@vger.kernel.org, linux-i2c@vger.kernel.org, Matt Ranostay Subject: [PATCH v2 3/5] iio: dac: fix future recursive dependencies Date: Sat, 10 Sep 2022 18:40:46 -0700 Message-Id: <20220911014048.64235-4-matt.ranostay@konsulko.com> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20220911014048.64235-1-matt.ranostay@konsulko.com> References: <20220911014048.64235-1-matt.ranostay@konsulko.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org When using 'imply IIO' for other configurations which have 'select GPIOLIB' the following recursive dependency detected happens for AD5592R and AD5593R. Switch from 'select GPIOLIB' to 'depends on GPIOLIB' to avoid this per recommendation in kconfig-language.rst drivers/gpio/Kconfig:14:error: recursive dependency detected! drivers/gpio/Kconfig:14: symbol GPIOLIB is selected by AD5592R drivers/iio/dac/Kconfig:93: symbol AD5592R depends on IIO drivers/iio/Kconfig:6: symbol IIO is implied by HID_MCP2221 drivers/hid/Kconfig:1227: symbol HID_MCP2221 depends on GPIOLIB Signed-off-by: Matt Ranostay --- drivers/iio/dac/Kconfig | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/iio/dac/Kconfig b/drivers/iio/dac/Kconfig index 80521bd28d0f..b93003e80b70 100644 --- a/drivers/iio/dac/Kconfig +++ b/drivers/iio/dac/Kconfig @@ -92,8 +92,7 @@ config AD5592R_BASE config AD5592R tristate "Analog Devices AD5592R ADC/DAC driver" - depends on SPI_MASTER - select GPIOLIB + depends on SPI_MASTER && GPIOLIB select AD5592R_BASE help Say yes here to build support for Analog Devices AD5592R @@ -104,8 +103,7 @@ config AD5592R config AD5593R tristate "Analog Devices AD5593R ADC/DAC driver" - depends on I2C - select GPIOLIB + depends on I2C && GPIOLIB select AD5592R_BASE help Say yes here to build support for Analog Devices AD5593R From patchwork Sun Sep 11 01:40:47 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matt Ranostay X-Patchwork-Id: 12972747 X-Patchwork-Delegate: jikos@jikos.cz Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6AD7AC6FA86 for ; Sun, 11 Sep 2022 01:41:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229862AbiIKBlO (ORCPT ); Sat, 10 Sep 2022 21:41:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44182 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229629AbiIKBlN (ORCPT ); Sat, 10 Sep 2022 21:41:13 -0400 Received: from mail-qk1-x72e.google.com (mail-qk1-x72e.google.com [IPv6:2607:f8b0:4864:20::72e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4F9583054E for ; Sat, 10 Sep 2022 18:41:12 -0700 (PDT) Received: by mail-qk1-x72e.google.com with SMTP id o7so185557qkj.10 for ; Sat, 10 Sep 2022 18:41:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=konsulko.com; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date; bh=oqYENd/2txABU+QCOqmWhZqh5LDN7sKRoTIhe4ZzfVA=; b=DZCYgj2stF5GjFI8rseFm8XHv9/HzWyX8k93XPPfIEZZOEHbLkliP4KHvxCd4vlTIG 213J16NhmLJ7Hd/SNgy09ixa0tJbH5wBcsn5hhaGrhzTiswBHBGXQl/8FulErsjD2Vwc xB3i79WfVqR4yZa1gVKBkx0CL5hBc8uCyT4QM= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date; bh=oqYENd/2txABU+QCOqmWhZqh5LDN7sKRoTIhe4ZzfVA=; b=dJ7wm7InNFuDXndsJhkblJ9CFSJ+h1hYJ9GtkBzxSetoBfBOLUJxE6AJ2iv5uiy99q AkI0sau9JzfjkRhgyJhdWfbQwkDdp7b9FJ6nsmPaDPm546tSfWpo+JNppKB/Q0FzmZFm bgN+Mb5ktGyfOnUkjKzbTuHfL5EirT90loRCXAetmLaoRtz55Muh7GFCwGg4e7vyyTNA h3UodBJ+2NLtQRAypPFtkNhnKofBcZLaNsMDHXCROTEnGW3VmbhSxQ+9+TL0HMrREfx6 wOvkFoPO1eg2hIj5hE4ZyiuJqm6EBdOTkR6J/Dia9Ih+aFGNoAiye8HVvEm2Y9eO2dBw ARwQ== X-Gm-Message-State: ACgBeo0mcDbVap+ow833zDh0PscJRiMPXvDPYUa9Y1rCLv97CFYcT6ce pkzMAmblxhNOAsXJ6SoH7dfCJA== X-Google-Smtp-Source: AA6agR6ywEfecacYTGqZQjCYhDu06PIROl6pvp5Fhx4NxaV5HOMVhE9MSPdDttwtZYdJy+3slTZkIQ== X-Received: by 2002:a05:620a:458a:b0:6bb:c0f:c0ff with SMTP id bp10-20020a05620a458a00b006bb0c0fc0ffmr15455535qkb.78.1662860471535; Sat, 10 Sep 2022 18:41:11 -0700 (PDT) Received: from localhost.localdomain ([159.65.38.31]) by smtp.gmail.com with ESMTPSA id q26-20020ac8451a000000b003438a8e842fsm3542973qtn.44.2022.09.10.18.41.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 10 Sep 2022 18:41:11 -0700 (PDT) From: Matt Ranostay To: jic23@kernel.org, gupt21@gmail.com Cc: linux-input@vger.kernel.org, linux-i2c@vger.kernel.org, Matt Ranostay Subject: [PATCH v2 4/5] HID: mcp2221: switch i2c registration to devm functions Date: Sat, 10 Sep 2022 18:40:47 -0700 Message-Id: <20220911014048.64235-5-matt.ranostay@konsulko.com> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20220911014048.64235-1-matt.ranostay@konsulko.com> References: <20220911014048.64235-1-matt.ranostay@konsulko.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org Switch from i2c_add_adapter() to resource managed devm_i2c_add_adapter() for matching rest of driver initialization, and more concise code. Signed-off-by: Matt Ranostay --- drivers/hid/hid-mcp2221.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/hid/hid-mcp2221.c b/drivers/hid/hid-mcp2221.c index de52e9f7bb8c..29e69576c3d4 100644 --- a/drivers/hid/hid-mcp2221.c +++ b/drivers/hid/hid-mcp2221.c @@ -873,7 +873,7 @@ static int mcp2221_probe(struct hid_device *hdev, "MCP2221 usb-i2c bridge on hidraw%d", ((struct hidraw *)hdev->hidraw)->minor); - ret = i2c_add_adapter(&mcp->adapter); + ret = devm_i2c_add_adapter(&hdev->dev, &mcp->adapter); if (ret) { hid_err(hdev, "can't add usb-i2c adapter: %d\n", ret); goto err_i2c; @@ -884,7 +884,7 @@ static int mcp2221_probe(struct hid_device *hdev, mcp->gc = devm_kzalloc(&hdev->dev, sizeof(*mcp->gc), GFP_KERNEL); if (!mcp->gc) { ret = -ENOMEM; - goto err_gc; + goto err_i2c; } mcp->gc->label = "mcp2221_gpio"; @@ -900,12 +900,10 @@ static int mcp2221_probe(struct hid_device *hdev, ret = devm_gpiochip_add_data(&hdev->dev, mcp->gc, mcp); if (ret) - goto err_gc; + goto err_i2c; return 0; -err_gc: - i2c_del_adapter(&mcp->adapter); err_i2c: hid_hw_close(mcp->hdev); err_hstop: @@ -917,7 +915,6 @@ static void mcp2221_remove(struct hid_device *hdev) { struct mcp2221 *mcp = hid_get_drvdata(hdev); - i2c_del_adapter(&mcp->adapter); hid_hw_close(mcp->hdev); hid_hw_stop(mcp->hdev); } From patchwork Sun Sep 11 01:40:48 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matt Ranostay X-Patchwork-Id: 12972748 X-Patchwork-Delegate: jikos@jikos.cz Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8239FC6FA8B for ; Sun, 11 Sep 2022 01:41:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229904AbiIKBlQ (ORCPT ); Sat, 10 Sep 2022 21:41:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44268 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229891AbiIKBlP (ORCPT ); Sat, 10 Sep 2022 21:41:15 -0400 Received: from mail-qt1-x832.google.com (mail-qt1-x832.google.com [IPv6:2607:f8b0:4864:20::832]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F32F13335F for ; Sat, 10 Sep 2022 18:41:13 -0700 (PDT) Received: by mail-qt1-x832.google.com with SMTP id cr9so3952351qtb.13 for ; Sat, 10 Sep 2022 18:41:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=konsulko.com; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date; bh=MGwVR7KMW7JJIFZssHswgB9KTK6/O+Daft2L6+TvsYk=; b=d3ohxfJQAr1tfy845NI3BHY8FLz05JxvjbpC3ohzGzwkuYHNdEHGI0YQNlg34r1QY2 ylHp0bR7qXr0AN7YxUES7sAgzCPv3cLbMwi9h0r0wOipb9pRG8uFsEQ0fki1F9zWv6ZG c6/YF4GKupfNTrqIIm5TGkPtW9++cahl32Dm4= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date; bh=MGwVR7KMW7JJIFZssHswgB9KTK6/O+Daft2L6+TvsYk=; b=3tG1AfS6erdwTy+t/UuBMAF9L+0X0+2zqZ/+RsqOoytNkSy9rhYztA77W9PizBKHU9 lStOYaJZ+AbXB7YPt2QBCvl+rTG0xbAfjA7WRLtblxK1ztNKuJbSG3t5g4idFcqTDbNn 9jearwjFA6nfXGVAOxIU/mWJrheY44MrDpYB/5dRIxueDBXsA43a0vgbchFLgy5Vmmz5 n3idVLoybL3J/yiMH+5ULa5spFDguFUAghsu3NUoF5dEtEnxWTg/LiazHjrgQ3vO0nSZ 8PI8egU5VXi73nTLTLVylNieJvK3rR+8RI9FLeCl48J4DUlFDQDHpNyW72t31GYoGPh3 uarw== X-Gm-Message-State: ACgBeo10LBzjPLMmz5R0mn/V9jGWiNn3DZfO4ih1mCRVI+8FzHXW94AV GFb/HA52QuGsmNvfLoy9V/OcSg== X-Google-Smtp-Source: AA6agR783G+KnEwWosiImBznkx+mgxw99W0bEjHSjU9PJJVgBYUrgD5j3Ge8whEas0DmXM+6EYYcWw== X-Received: by 2002:ac8:58c4:0:b0:343:731e:7e81 with SMTP id u4-20020ac858c4000000b00343731e7e81mr18140205qta.367.1662860472950; Sat, 10 Sep 2022 18:41:12 -0700 (PDT) Received: from localhost.localdomain ([159.65.38.31]) by smtp.gmail.com with ESMTPSA id q26-20020ac8451a000000b003438a8e842fsm3542973qtn.44.2022.09.10.18.41.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 10 Sep 2022 18:41:12 -0700 (PDT) From: Matt Ranostay To: jic23@kernel.org, gupt21@gmail.com Cc: linux-input@vger.kernel.org, linux-i2c@vger.kernel.org, Matt Ranostay Subject: [PATCH v2 5/5] HID: mcp2221: add ADC/DAC support via iio subsystem Date: Sat, 10 Sep 2022 18:40:48 -0700 Message-Id: <20220911014048.64235-6-matt.ranostay@konsulko.com> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20220911014048.64235-1-matt.ranostay@konsulko.com> References: <20220911014048.64235-1-matt.ranostay@konsulko.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org Add support for 3x 10-bit ADC and 1x DAC channels registered via the iio subsystem. To prevent breakage and unexpected dependencies this support only is only built if CONFIG_IIO is enabled, and is only weakly referenced by 'imply IIO' within the respective Kconfig. Additionally the iio device only gets registered if at least one channel is enabled in the power-on configuration read from SRAM. Signed-off-by: Matt Ranostay --- drivers/hid/Kconfig | 1 + drivers/hid/hid-mcp2221.c | 187 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 188 insertions(+) diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 863d1f96ea57..cdae312f4795 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -1228,6 +1228,7 @@ config HID_MCP2221 tristate "Microchip MCP2221 HID USB-to-I2C/SMbus host support" depends on USB_HID && I2C depends on GPIOLIB + imply IIO help Provides I2C and SMBUS host adapter functionality over USB-HID through MCP2221 device. diff --git a/drivers/hid/hid-mcp2221.c b/drivers/hid/hid-mcp2221.c index 29e69576c3d4..923b41eb76b3 100644 --- a/drivers/hid/hid-mcp2221.c +++ b/drivers/hid/hid-mcp2221.c @@ -16,6 +16,7 @@ #include #include #include +#include #include "hid-ids.h" /* Commands codes in a raw output report */ @@ -30,6 +31,8 @@ enum { MCP2221_I2C_CANCEL = 0x10, MCP2221_GPIO_SET = 0x50, MCP2221_GPIO_GET = 0x51, + MCP2221_SET_SRAM_SETTINGS = 0x60, + MCP2221_GET_SRAM_SETTINGS = 0x61, }; /* Response codes in a raw input report */ @@ -89,6 +92,7 @@ struct mcp2221 { struct i2c_adapter adapter; struct mutex lock; struct completion wait_in_report; + struct delayed_work init_work; u8 *rxbuf; u8 txbuf[64]; int rxbuf_idx; @@ -97,6 +101,16 @@ struct mcp2221 { struct gpio_chip *gc; u8 gp_idx; u8 gpio_dir; + u8 mode[4]; +#if IS_REACHABLE(CONFIG_IIO) + struct iio_chan_spec iio_channels[3]; + u16 adc_values[3]; + u8 dac_value; +#endif +}; + +struct mcp2221_iio { + struct mcp2221 *mcp; }; /* @@ -745,6 +759,9 @@ static int mcp2221_raw_event(struct hid_device *hdev, break; } mcp->status = mcp_get_i2c_eng_state(mcp, data, 8); +#if IS_REACHABLE(CONFIG_IIO) + memcpy(&mcp->adc_values, &data[50], sizeof(mcp->adc_values)); +#endif break; default: mcp->status = -EIO; @@ -816,6 +833,32 @@ static int mcp2221_raw_event(struct hid_device *hdev, complete(&mcp->wait_in_report); break; + case MCP2221_SET_SRAM_SETTINGS: + switch (data[1]) { + case MCP2221_SUCCESS: + mcp->status = 0; + break; + default: + mcp->status = -EAGAIN; + } + complete(&mcp->wait_in_report); + break; + + case MCP2221_GET_SRAM_SETTINGS: + switch (data[1]) { + case MCP2221_SUCCESS: + memcpy(&mcp->mode, &data[22], 4); +#if IS_REACHABLE(CONFIG_IIO) + mcp->dac_value = data[6] & GENMASK(4, 0); +#endif + mcp->status = 0; + break; + default: + mcp->status = -EAGAIN; + } + complete(&mcp->wait_in_report); + break; + default: mcp->status = -EIO; complete(&mcp->wait_in_report); @@ -824,6 +867,145 @@ static int mcp2221_raw_event(struct hid_device *hdev, return 1; } +#if IS_REACHABLE(CONFIG_IIO) +static int mcp2221_read_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *channel, int *val, + int *val2, long mask) +{ + struct mcp2221_iio *priv = iio_priv(indio_dev); + struct mcp2221 *mcp = priv->mcp; + int ret; + + mutex_lock(&mcp->lock); + + if (channel->output) { + *val = mcp->dac_value; + ret = IIO_VAL_INT; + } else { + /* Read ADC values */ + ret = mcp_chk_last_cmd_status(mcp); + + if (!ret) { + *val = le16_to_cpu(mcp->adc_values[channel->address]); + if (*val >= BIT(10)) + ret = -EINVAL; + else + ret = IIO_VAL_INT; + } + } + + mutex_unlock(&mcp->lock); + + return ret; +} + +static int mcp2221_write_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int val, int val2, long mask) +{ + struct mcp2221_iio *priv = iio_priv(indio_dev); + struct mcp2221 *mcp = priv->mcp; + int ret; + + if (val < 0 || val >= BIT(5)) + return -EINVAL; + + mutex_lock(&mcp->lock); + + memset(mcp->txbuf, 0, 12); + mcp->txbuf[0] = MCP2221_SET_SRAM_SETTINGS; + mcp->txbuf[4] = BIT(7) | val; + + ret = mcp_send_data_req_status(mcp, mcp->txbuf, 12); + + if (!ret) + mcp->dac_value = val; + + mutex_unlock(&mcp->lock); + + return ret; +} + +static const struct iio_info mcp2221_info = { + .read_raw = &mcp2221_read_raw, + .write_raw = &mcp2221_write_raw, +}; + +static int mcp_iio_channels(struct mcp2221 *mcp) +{ + int idx, cnt = 0; + bool dac_created = false; + + /* GP0 doesn't have ADC/DAC alternative function */ + for (idx = 1; idx < MCP_NGPIO; idx++) { + struct iio_chan_spec *chan = &mcp->iio_channels[cnt]; + + switch (mcp->mode[idx]) { + case 2: + chan->address = idx - 1; + chan->channel = cnt++; + break; + case 3: + /* GP1 doesn't have DAC alternative function */ + if (idx == 1 || dac_created) + continue; + /* DAC1 and DAC2 outputs are connected to the same DAC */ + dac_created = true; + chan->output = 1; + cnt++; + break; + default: + continue; + }; + + chan->type = IIO_VOLTAGE; + chan->indexed = 1; + chan->info_mask_separate = BIT(IIO_CHAN_INFO_RAW); + chan->scan_index = -1; + } + + return cnt; +} + +static void mcp_init_work(struct work_struct *work) +{ + struct iio_dev *indio_dev; + struct mcp2221 *mcp = container_of(work, struct mcp2221, init_work.work); + struct mcp2221_iio *data; + int ret, num_channels; + + hid_hw_power(mcp->hdev, PM_HINT_FULLON); + mutex_lock(&mcp->lock); + + mcp->txbuf[0] = MCP2221_GET_SRAM_SETTINGS; + ret = mcp_send_data_req_status(mcp, mcp->txbuf, 1); + mutex_unlock(&mcp->lock); + hid_hw_power(mcp->hdev, PM_HINT_NORMAL); + + if (ret) + return; + + num_channels = mcp_iio_channels(mcp); + if (!num_channels) + return; + + indio_dev = devm_iio_device_alloc(&mcp->hdev->dev, sizeof(*data)); + if (!indio_dev) + return; + + data = iio_priv(indio_dev); + data->mcp = mcp; + + indio_dev->name = "mcp2221"; + indio_dev->modes = INDIO_DIRECT_MODE; + indio_dev->info = &mcp2221_info; + indio_dev->channels = mcp->iio_channels; + indio_dev->num_channels = num_channels; + + devm_iio_device_register(&mcp->hdev->dev, indio_dev); +} +#endif + static int mcp2221_probe(struct hid_device *hdev, const struct hid_device_id *id) { @@ -902,6 +1084,11 @@ static int mcp2221_probe(struct hid_device *hdev, if (ret) goto err_i2c; +#if IS_REACHABLE(CONFIG_IIO) + INIT_DELAYED_WORK(&mcp->init_work, mcp_init_work); + schedule_delayed_work(&mcp->init_work, msecs_to_jiffies(500)); +#endif + return 0; err_i2c: