From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CC495C433DF for ; Tue, 19 May 2020 18:25:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C1377207D3 for ; Tue, 19 May 2020 18:25:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727798AbgESSZw (ORCPT ); Tue, 19 May 2020 14:25:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37268 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726161AbgESSZv (ORCPT ); Tue, 19 May 2020 14:25:51 -0400 Received: from mail.bugwerft.de (mail.bugwerft.de [IPv6:2a03:6000:1011::59]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id B46D4C08C5C0 for ; Tue, 19 May 2020 11:25:51 -0700 (PDT) Received: from zenbar.fritz.box (pd95ef292.dip0.t-ipconnect.de [217.94.242.146]) by mail.bugwerft.de (Postfix) with ESMTPSA id 493DC298AD5; Tue, 19 May 2020 18:22:54 +0000 (UTC) From: Daniel Mack To: linux-input@vger.kernel.org Cc: dmitry.torokhov@gmail.com, m.felsch@pengutronix.de, Daniel Mack Subject: [PATCH v4 2/3] Input: ads7846: Remove custom filter handling functions from pdata Date: Tue, 19 May 2020 20:25:39 +0200 Message-Id: <20200519182540.219027-3-daniel@zonque.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200519182540.219027-1-daniel@zonque.org> References: <20200519182540.219027-1-daniel@zonque.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org The functions in the platform data struct to initialize, cleanup and apply custom filters are not in use by any mainline board. Remove support for them to pave the road for more cleanups to come. The enum was moved as it has no users outside of the driver code itself. Signed-off-by: Daniel Mack Reviewed-by: Marco Felsch --- drivers/input/touchscreen/ads7846.c | 25 ++++++++----------------- include/linux/spi/ads7846.h | 15 --------------- 2 files changed, 8 insertions(+), 32 deletions(-) diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c index 0fd0037ef226..4635e8867d10 100644 --- a/drivers/input/touchscreen/ads7846.c +++ b/drivers/input/touchscreen/ads7846.c @@ -139,13 +139,18 @@ struct ads7846 { int (*filter)(void *data, int data_idx, int *val); void *filter_data; - void (*filter_cleanup)(void *data); int (*get_pendown_state)(void); int gpio_pendown; void (*wait_for_sync)(void); }; +enum ads7846_filter { + ADS7846_FILTER_OK, + ADS7846_FILTER_REPEAT, + ADS7846_FILTER_IGNORE, +}; + /* leave chip selected when we're done, for quicker re-select? */ #if 0 #define CS_CHANGE(xfer) ((xfer).cs_change = 1) @@ -1325,15 +1330,7 @@ static int ads7846_probe(struct spi_device *spi) ts->x_plate_ohms = pdata->x_plate_ohms ? : 400; ts->vref_mv = pdata->vref_mv; - if (pdata->filter != NULL) { - if (pdata->filter_init != NULL) { - err = pdata->filter_init(pdata, &ts->filter_data); - if (err < 0) - goto err_free_mem; - } - ts->filter = pdata->filter; - ts->filter_cleanup = pdata->filter_cleanup; - } else if (pdata->debounce_max) { + if (pdata->debounce_max) { ts->debounce_max = pdata->debounce_max; if (ts->debounce_max < 2) ts->debounce_max = 2; @@ -1347,7 +1344,7 @@ static int ads7846_probe(struct spi_device *spi) err = ads7846_setup_pendown(spi, ts, pdata); if (err) - goto err_cleanup_filter; + goto err_free_mem; if (pdata->penirq_recheck_delay_usecs) ts->penirq_recheck_delay_usecs = @@ -1473,9 +1470,6 @@ static int ads7846_probe(struct spi_device *spi) err_free_gpio: if (!ts->get_pendown_state) gpio_free(ts->gpio_pendown); - err_cleanup_filter: - if (ts->filter_cleanup) - ts->filter_cleanup(ts->filter_data); err_free_mem: input_free_device(input_dev); kfree(packet); @@ -1506,9 +1500,6 @@ static int ads7846_remove(struct spi_device *spi) gpio_free(ts->gpio_pendown); } - if (ts->filter_cleanup) - ts->filter_cleanup(ts->filter_data); - kfree(ts->packet); kfree(ts); diff --git a/include/linux/spi/ads7846.h b/include/linux/spi/ads7846.h index 1a5eaef3b7f2..d424c1aadf38 100644 --- a/include/linux/spi/ads7846.h +++ b/include/linux/spi/ads7846.h @@ -1,17 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 */ /* linux/spi/ads7846.h */ -/* Touchscreen characteristics vary between boards and models. The - * platform_data for the device's "struct device" holds this information. - * - * It's OK if the min/max values are zero. - */ -enum ads7846_filter { - ADS7846_FILTER_OK, - ADS7846_FILTER_REPEAT, - ADS7846_FILTER_IGNORE, -}; - struct ads7846_platform_data { u16 model; /* 7843, 7845, 7846, 7873. */ u16 vref_delay_usecs; /* 0 for external vref; etc */ @@ -51,10 +40,6 @@ struct ads7846_platform_data { int gpio_pendown_debounce; /* platform specific debounce time for * the gpio_pendown */ int (*get_pendown_state)(void); - int (*filter_init) (const struct ads7846_platform_data *pdata, - void **filter_data); - int (*filter) (void *filter_data, int data_idx, int *val); - void (*filter_cleanup)(void *filter_data); void (*wait_for_sync)(void); bool wakeup; unsigned long irq_flags; -- 2.26.2