From patchwork Sat Apr 8 11:46:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Patrik_Dahlstr=C3=B6m?= X-Patchwork-Id: 13205654 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 CF568C77B61 for ; Sat, 8 Apr 2023 11:46:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230327AbjDHLqz (ORCPT ); Sat, 8 Apr 2023 07:46:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33036 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230338AbjDHLqw (ORCPT ); Sat, 8 Apr 2023 07:46:52 -0400 Received: from ste-pvt-msa2.bahnhof.se (ste-pvt-msa2.bahnhof.se [213.80.101.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6EECDEFBD; Sat, 8 Apr 2023 04:46:46 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by ste-pvt-msa2.bahnhof.se (Postfix) with ESMTP id 5E1954040D; Sat, 8 Apr 2023 13:46:44 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at bahnhof.se Authentication-Results: ste-ftg-msa2.bahnhof.se (amavisd-new); dkim=pass (2048-bit key) header.d=dalakolonin.se Received: from ste-pvt-msa2.bahnhof.se ([127.0.0.1]) by localhost (ste-ftg-msa2.bahnhof.se [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id An0gfqvTNGqE; Sat, 8 Apr 2023 13:46:43 +0200 (CEST) Received: by ste-pvt-msa2.bahnhof.se (Postfix) with ESMTPA id 6F2663FF56; Sat, 8 Apr 2023 13:46:43 +0200 (CEST) Authentication-Results: ste-pvt-msa2.bahnhof.se; dkim=pass (2048-bit key; unprotected) header.d=dalakolonin.se header.i=@dalakolonin.se header.b="TRv4YgPc"; dkim-atps=neutral Received: from localhost (localhost [127.0.0.1]) by zimbra.dalakolonin.se (Postfix) with ESMTP id 4D6EA95F1B; Sat, 8 Apr 2023 11:46:43 +0000 (UTC) Received: from zimbra.dalakolonin.se ([127.0.0.1]) by localhost (zimbra.dalakolonin.se [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id 5mKt8oYuwbOU; Sat, 8 Apr 2023 11:46:42 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by zimbra.dalakolonin.se (Postfix) with ESMTP id 07E4C95F17; Sat, 8 Apr 2023 11:46:42 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.10.3 zimbra.dalakolonin.se 07E4C95F17 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dalakolonin.se; s=D374B428-D0A7-11ED-A657-75977B426508; t=1680954402; bh=QpAkz8NzyhCd80cX7C/EMbSMfNw/jsM+n+BufT6T6ZU=; h=From:To:Date:Message-Id:MIME-Version; b=TRv4YgPc7jqopecowqYjGjGoeWm1CoI0t24YbuY8l50kb4p3lkiq4FTRS+35E+xSB ZxeFlTzB7sqBiI5Ezfe5vkMpN9x8ua9OcZgnncUFnqlgcbcSs00Qh2ry6ZkIAnb9dW gZ5JpVr0cPpGEGNptdmEKStdkqIX1VcWm2GJ+rxQ7iDvzwnbH2R29u6L73wHQtWSya QL5luJwfQ/EFaaXJICz5uPXgFVvVoWAxNq36PlpDcTsduc1wAErfOgBge2dDHbScDn FuESHpgGscoW5qg3IxFBqeEyu8XOqz9QWSCZHnoxiPXUOS1CRYnFZPVbJPTtNHUuzH PcvFZwuk7K2Hg== X-Virus-Scanned: amavisd-new at dalakolonin.se Received: from zimbra.dalakolonin.se ([127.0.0.1]) by localhost (zimbra.dalakolonin.se [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id XovZAKi-2bup; Sat, 8 Apr 2023 11:46:41 +0000 (UTC) Received: from rack-server-1.dalakolonin.se (unknown [172.17.0.1]) by zimbra.dalakolonin.se (Postfix) with ESMTPSA id C0F7995F14; Sat, 8 Apr 2023 11:46:41 +0000 (UTC) From: =?utf-8?q?Patrik_Dahlstr=C3=B6m?= To: linux-iio@vger.kernel.org Cc: linux-kernel@vger.kernel.org, letux-kernel@openphoenux.org, kernel@pyra-handheld.com, pgoudagunta@nvidia.com, hns@goldelico.com, jic23@kernel.org, lars@metafoo.de, linux-omap@vger.kernel.org, =?utf-8?q?Pa?= =?utf-8?q?trik_Dahlstr=C3=B6m?= Subject: [PATCH v3 1/7] iio: adc: palmas: remove adc_wakeupX_data Date: Sat, 8 Apr 2023 13:46:18 +0200 Message-Id: <20230408114624.824144-2-risca@dalakolonin.se> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230408114624.824144-1-risca@dalakolonin.se> References: <20230408114624.824144-1-risca@dalakolonin.se> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org It does not seem to be used by anyone and later patches in this series are made simpler by first removing this. There is now a lot of dead code that cannot be reached, until later patches revive it. Arguably, this is preferred over removing the code only to add it again. Signed-off-by: Patrik Dahlström --- drivers/iio/adc/palmas_gpadc.c | 50 ++++------------------------------ include/linux/mfd/palmas.h | 8 ------ 2 files changed, 6 insertions(+), 52 deletions(-) diff --git a/drivers/iio/adc/palmas_gpadc.c b/drivers/iio/adc/palmas_gpadc.c index 2921186458e0..03af6cd73ec8 100644 --- a/drivers/iio/adc/palmas_gpadc.c +++ b/drivers/iio/adc/palmas_gpadc.c @@ -76,6 +76,12 @@ static struct palmas_gpadc_info palmas_gpadc_info[] = { PALMAS_ADC_INFO(IN15, 0, 0, 0, 0, INVALID, INVALID, true), }; +struct palmas_adc_wakeup_property { + int adc_channel_number; + int adc_high_threshold; + int adc_low_threshold; +}; + /* * struct palmas_gpadc - the palmas_gpadc structure * @ch0_current: channel 0 current source setting @@ -493,11 +499,6 @@ static int palmas_gpadc_get_adc_dt_data(struct platform_device *pdev, return 0; } -static void palmas_disable_wakeup(void *dev) -{ - device_wakeup_disable(dev); -} - static int palmas_gpadc_probe(struct platform_device *pdev) { struct palmas_gpadc *adc; @@ -548,36 +549,6 @@ static int palmas_gpadc_probe(struct platform_device *pdev) return dev_err_probe(adc->dev, ret, "request irq %d failed\n", adc->irq); - if (gpadc_pdata->adc_wakeup1_data) { - memcpy(&adc->wakeup1_data, gpadc_pdata->adc_wakeup1_data, - sizeof(adc->wakeup1_data)); - adc->wakeup1_enable = true; - adc->irq_auto_0 = platform_get_irq(pdev, 1); - ret = devm_request_threaded_irq(&pdev->dev, adc->irq_auto_0, - NULL, palmas_gpadc_irq_auto, - IRQF_ONESHOT, - "palmas-adc-auto-0", adc); - if (ret < 0) - return dev_err_probe(adc->dev, ret, - "request auto0 irq %d failed\n", - adc->irq_auto_0); - } - - if (gpadc_pdata->adc_wakeup2_data) { - memcpy(&adc->wakeup2_data, gpadc_pdata->adc_wakeup2_data, - sizeof(adc->wakeup2_data)); - adc->wakeup2_enable = true; - adc->irq_auto_1 = platform_get_irq(pdev, 2); - ret = devm_request_threaded_irq(&pdev->dev, adc->irq_auto_1, - NULL, palmas_gpadc_irq_auto, - IRQF_ONESHOT, - "palmas-adc-auto-1", adc); - if (ret < 0) - return dev_err_probe(adc->dev, ret, - "request auto1 irq %d failed\n", - adc->irq_auto_1); - } - /* set the current source 0 (value 0/5/15/20 uA => 0..3) */ if (gpadc_pdata->ch0_current <= 1) adc->ch0_current = PALMAS_ADC_CH0_CURRENT_SRC_0; @@ -617,15 +588,6 @@ static int palmas_gpadc_probe(struct platform_device *pdev) palmas_gpadc_calibrate(adc, i); } - if (adc->wakeup1_enable || adc->wakeup2_enable) { - device_wakeup_enable(&pdev->dev); - ret = devm_add_action_or_reset(&pdev->dev, - palmas_disable_wakeup, - &pdev->dev); - if (ret) - return ret; - } - return 0; } diff --git a/include/linux/mfd/palmas.h b/include/linux/mfd/palmas.h index 117d02708439..eda1ffd99c1a 100644 --- a/include/linux/mfd/palmas.h +++ b/include/linux/mfd/palmas.h @@ -128,12 +128,6 @@ struct palmas_pmic_driver_data { struct regulator_config config); }; -struct palmas_adc_wakeup_property { - int adc_channel_number; - int adc_high_threshold; - int adc_low_threshold; -}; - struct palmas_gpadc_platform_data { /* Channel 3 current source is only enabled during conversion */ int ch3_current; /* 0: off; 1: 10uA; 2: 400uA; 3: 800 uA */ @@ -152,8 +146,6 @@ struct palmas_gpadc_platform_data { int start_polarity; int auto_conversion_period_ms; - struct palmas_adc_wakeup_property *adc_wakeup1_data; - struct palmas_adc_wakeup_property *adc_wakeup2_data; }; struct palmas_reg_init { From patchwork Sat Apr 8 11:46:19 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Patrik_Dahlstr=C3=B6m?= X-Patchwork-Id: 13205655 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 14346C7619A for ; Sat, 8 Apr 2023 11:47:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229696AbjDHLrF (ORCPT ); Sat, 8 Apr 2023 07:47:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32992 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230294AbjDHLrD (ORCPT ); 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Sat, 8 Apr 2023 11:46:47 +0000 (UTC) Received: from rack-server-1.dalakolonin.se (unknown [172.17.0.1]) by zimbra.dalakolonin.se (Postfix) with ESMTPSA id 16A3295F29; Sat, 8 Apr 2023 11:46:47 +0000 (UTC) From: =?utf-8?q?Patrik_Dahlstr=C3=B6m?= To: linux-iio@vger.kernel.org Cc: linux-kernel@vger.kernel.org, letux-kernel@openphoenux.org, kernel@pyra-handheld.com, pgoudagunta@nvidia.com, hns@goldelico.com, jic23@kernel.org, lars@metafoo.de, linux-omap@vger.kernel.org, =?utf-8?q?Pa?= =?utf-8?q?trik_Dahlstr=C3=B6m?= Subject: [PATCH v3 2/7] iio: adc: palmas: replace "wakeup" with "event" Date: Sat, 8 Apr 2023 13:46:19 +0200 Message-Id: <20230408114624.824144-3-risca@dalakolonin.se> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230408114624.824144-1-risca@dalakolonin.se> References: <20230408114624.824144-1-risca@dalakolonin.se> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org The palmas gpadc block has support for monitoring up to 2 ADC channels and issue an interrupt if they reach past a set threshold. This is currently used to wake up the system from sleep, but the functionality is more generic than that. As such, change the naming of functions and variables to refer to it as events instead, except during suspend and resume where wakeup still make sense. Signed-off-by: Patrik Dahlström --- drivers/iio/adc/palmas_gpadc.c | 50 +++++++++++++++++----------------- 1 file changed, 25 insertions(+), 25 deletions(-) diff --git a/drivers/iio/adc/palmas_gpadc.c b/drivers/iio/adc/palmas_gpadc.c index 03af6cd73ec8..55fdf59ef711 100644 --- a/drivers/iio/adc/palmas_gpadc.c +++ b/drivers/iio/adc/palmas_gpadc.c @@ -76,7 +76,7 @@ static struct palmas_gpadc_info palmas_gpadc_info[] = { PALMAS_ADC_INFO(IN15, 0, 0, 0, 0, INVALID, INVALID, true), }; -struct palmas_adc_wakeup_property { +struct palmas_adc_event { int adc_channel_number; int adc_high_threshold; int adc_low_threshold; @@ -117,10 +117,10 @@ struct palmas_gpadc { int irq_auto_1; struct palmas_gpadc_info *adc_info; struct completion conv_completion; - struct palmas_adc_wakeup_property wakeup1_data; - struct palmas_adc_wakeup_property wakeup2_data; - bool wakeup1_enable; - bool wakeup2_enable; + struct palmas_adc_event event0; + struct palmas_adc_event event1; + bool event0_enable; + bool event1_enable; int auto_conversion_period; struct mutex lock; }; @@ -591,7 +591,7 @@ static int palmas_gpadc_probe(struct platform_device *pdev) return 0; } -static int palmas_adc_wakeup_configure(struct palmas_gpadc *adc) +static int palmas_adc_configure_events(struct palmas_gpadc *adc) { int adc_period, conv; int i; @@ -617,16 +617,16 @@ static int palmas_adc_wakeup_configure(struct palmas_gpadc *adc) } conv = 0; - if (adc->wakeup1_enable) { + if (adc->event0_enable) { int polarity; - ch0 = adc->wakeup1_data.adc_channel_number; + ch0 = adc->event0.adc_channel_number; conv |= PALMAS_GPADC_AUTO_CTRL_AUTO_CONV0_EN; - if (adc->wakeup1_data.adc_high_threshold > 0) { - thres = adc->wakeup1_data.adc_high_threshold; + if (adc->event0.adc_high_threshold > 0) { + thres = adc->event0.adc_high_threshold; polarity = 0; } else { - thres = adc->wakeup1_data.adc_low_threshold; + thres = adc->event0.adc_low_threshold; polarity = PALMAS_GPADC_THRES_CONV0_MSB_THRES_CONV0_POL; } @@ -648,16 +648,16 @@ static int palmas_adc_wakeup_configure(struct palmas_gpadc *adc) } } - if (adc->wakeup2_enable) { + if (adc->event1_enable) { int polarity; - ch1 = adc->wakeup2_data.adc_channel_number; + ch1 = adc->event1.adc_channel_number; conv |= PALMAS_GPADC_AUTO_CTRL_AUTO_CONV1_EN; - if (adc->wakeup2_data.adc_high_threshold > 0) { - thres = adc->wakeup2_data.adc_high_threshold; + if (adc->event1.adc_high_threshold > 0) { + thres = adc->event1.adc_high_threshold; polarity = 0; } else { - thres = adc->wakeup2_data.adc_low_threshold; + thres = adc->event1.adc_low_threshold; polarity = PALMAS_GPADC_THRES_CONV1_MSB_THRES_CONV1_POL; } @@ -696,7 +696,7 @@ static int palmas_adc_wakeup_configure(struct palmas_gpadc *adc) return ret; } -static int palmas_adc_wakeup_reset(struct palmas_gpadc *adc) +static int palmas_adc_reset_events(struct palmas_gpadc *adc) { int ret; @@ -718,20 +718,20 @@ static int palmas_gpadc_suspend(struct device *dev) { struct iio_dev *indio_dev = dev_get_drvdata(dev); struct palmas_gpadc *adc = iio_priv(indio_dev); - int wakeup = adc->wakeup1_enable || adc->wakeup2_enable; + int wakeup = adc->event0_enable || adc->event1_enable; int ret; if (!device_may_wakeup(dev) || !wakeup) return 0; - ret = palmas_adc_wakeup_configure(adc); + ret = palmas_adc_configure_events(adc); if (ret < 0) return ret; - if (adc->wakeup1_enable) + if (adc->event0_enable) enable_irq_wake(adc->irq_auto_0); - if (adc->wakeup2_enable) + if (adc->event1_enable) enable_irq_wake(adc->irq_auto_1); return 0; @@ -741,20 +741,20 @@ static int palmas_gpadc_resume(struct device *dev) { struct iio_dev *indio_dev = dev_get_drvdata(dev); struct palmas_gpadc *adc = iio_priv(indio_dev); - int wakeup = adc->wakeup1_enable || adc->wakeup2_enable; + int wakeup = adc->event0_enable || adc->event1_enable; int ret; if (!device_may_wakeup(dev) || !wakeup) return 0; - ret = palmas_adc_wakeup_reset(adc); + ret = palmas_adc_reset_events(adc); if (ret < 0) return ret; - if (adc->wakeup1_enable) + if (adc->event0_enable) disable_irq_wake(adc->irq_auto_0); - if (adc->wakeup2_enable) + if (adc->event1_enable) disable_irq_wake(adc->irq_auto_1); return 0; From patchwork Sat Apr 8 11:46:20 2023 Content-Type: text/plain; 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a=rsa-sha256; c=relaxed/relaxed; d=dalakolonin.se; s=D374B428-D0A7-11ED-A657-75977B426508; t=1680954413; bh=8oCsKoWj+OT4dqdz4wKUl0ESprUGM0ZozVBAf1AeyA0=; h=From:To:Date:Message-Id:MIME-Version; b=nDIG0lmBvcF8jmEvZZF4zN/YChcDQWKTGKZxmoUU5VlV3iwKWGmTlkhr/QHgBkOsr 3qp2Uq8to6NteGqWK4NuXUBg4pDpLmkn/KtUUcYFISboofE9D4LTODCTRXYtgShxgM 3rSRUGBFpw1QN8YV29YCpueTAVqQPLSwLmsHMIju3oVCndb4L+WQOLCaXdpbKUMWIX ZQgMQWWN1kXcuZ4TBUQ94R/aUV+F2Kj4MUXx/JXn2UzDq6x0HMzcypM2PNlt3ZSos4 1sUq3DhqcNe78ehfEXNqGAVX/Vk3lMDI0Dc+WMlXxn4f0O64yZPd9cY8MwvPuMy9Qo 7lNxh4gG6YCPw== X-Virus-Scanned: amavisd-new at dalakolonin.se Received: from zimbra.dalakolonin.se ([127.0.0.1]) by localhost (zimbra.dalakolonin.se [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id s7CCfjFJXs7L; Sat, 8 Apr 2023 11:46:53 +0000 (UTC) Received: from rack-server-1.dalakolonin.se (unknown [172.17.0.1]) by zimbra.dalakolonin.se (Postfix) with ESMTPSA id 35F6A95F3F; Sat, 8 Apr 2023 11:46:53 +0000 (UTC) From: =?utf-8?q?Patrik_Dahlstr=C3=B6m?= To: linux-iio@vger.kernel.org Cc: linux-kernel@vger.kernel.org, letux-kernel@openphoenux.org, kernel@pyra-handheld.com, pgoudagunta@nvidia.com, hns@goldelico.com, jic23@kernel.org, lars@metafoo.de, linux-omap@vger.kernel.org, =?utf-8?q?Pa?= =?utf-8?q?trik_Dahlstr=C3=B6m?= Subject: [PATCH v3 3/7] iio: adc: palmas: use iio_event_direction for threshold polarity Date: Sat, 8 Apr 2023 13:46:20 +0200 Message-Id: <20230408114624.824144-4-risca@dalakolonin.se> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230408114624.824144-1-risca@dalakolonin.se> References: <20230408114624.824144-1-risca@dalakolonin.se> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Instead of having high_threshold > 0 as an indicator for upper threshold event and lower threshold event otherwise, use enum iio_event_direction instead. This is hopefully less ambiguous. Signed-off-by: Patrik Dahlström --- drivers/iio/adc/palmas_gpadc.c | 36 ++++++++++++++++++++++------------ 1 file changed, 23 insertions(+), 13 deletions(-) diff --git a/drivers/iio/adc/palmas_gpadc.c b/drivers/iio/adc/palmas_gpadc.c index 55fdf59ef711..205a7628b235 100644 --- a/drivers/iio/adc/palmas_gpadc.c +++ b/drivers/iio/adc/palmas_gpadc.c @@ -77,9 +77,9 @@ static struct palmas_gpadc_info palmas_gpadc_info[] = { }; struct palmas_adc_event { - int adc_channel_number; - int adc_high_threshold; - int adc_low_threshold; + int channel; + int raw_thresh; + enum iio_event_direction direction; }; /* @@ -618,16 +618,21 @@ static int palmas_adc_configure_events(struct palmas_gpadc *adc) conv = 0; if (adc->event0_enable) { + struct palmas_adc_event *ev = &adc->event0; int polarity; - ch0 = adc->event0.adc_channel_number; + ch0 = ev->channel; + thres = ev->raw_thresh; conv |= PALMAS_GPADC_AUTO_CTRL_AUTO_CONV0_EN; - if (adc->event0.adc_high_threshold > 0) { - thres = adc->event0.adc_high_threshold; + switch (ev->direction) { + case IIO_EV_DIR_RISING: polarity = 0; - } else { - thres = adc->event0.adc_low_threshold; + break; + case IIO_EV_DIR_FALLING: polarity = PALMAS_GPADC_THRES_CONV0_MSB_THRES_CONV0_POL; + break; + default: + return -EINVAL; } ret = palmas_write(adc->palmas, PALMAS_GPADC_BASE, @@ -649,16 +654,21 @@ static int palmas_adc_configure_events(struct palmas_gpadc *adc) } if (adc->event1_enable) { + struct palmas_adc_event *ev = &adc->event1; int polarity; - ch1 = adc->event1.adc_channel_number; + ch1 = ev->channel; + thres = ev->raw_thresh; conv |= PALMAS_GPADC_AUTO_CTRL_AUTO_CONV1_EN; - if (adc->event1.adc_high_threshold > 0) { - thres = adc->event1.adc_high_threshold; + switch (ev->direction) { + case IIO_EV_DIR_RISING: polarity = 0; - } else { - thres = adc->event1.adc_low_threshold; + break; + case IIO_EV_DIR_FALLING: polarity = PALMAS_GPADC_THRES_CONV1_MSB_THRES_CONV1_POL; + break; + default: + return -EINVAL; } ret = palmas_write(adc->palmas, PALMAS_GPADC_BASE,