From patchwork Fri Apr 16 14:20:41 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 423594 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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, 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 BE000C43460 for ; Fri, 16 Apr 2021 14:20:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 88E02610F7 for ; Fri, 16 Apr 2021 14:20:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244613AbhDPOVH (ORCPT ); Fri, 16 Apr 2021 10:21:07 -0400 Received: from mga05.intel.com ([192.55.52.43]:58573 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244572AbhDPOVG (ORCPT ); Fri, 16 Apr 2021 10:21:06 -0400 IronPort-SDR: cFbW7orWKL2rW5S2l9NzG+cukxfC0p9/gjPDXiKPx/txQ7AbrThf5lv4Zf3OJ42t3vCl1cYH3o G4myVGGOgBSg== X-IronPort-AV: E=McAfee;i="6200,9189,9956"; a="280364116" X-IronPort-AV: E=Sophos;i="5.82,226,1613462400"; d="scan'208";a="280364116" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Apr 2021 07:20:41 -0700 IronPort-SDR: B7Ib3nZkSHvV9A+S3y+55TbrrjAUe0wBDXBvsv5N1anIo+a7dYHaSg6HUm7bj65D/3U4205g+5 DemFaL/Q9pbg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,226,1613462400"; d="scan'208";a="522722964" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga001.fm.intel.com with ESMTP; 16 Apr 2021 07:20:30 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 14D9D12A; Fri, 16 Apr 2021 17:20:46 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman Subject: [PATCH v2 1/4] fbtft: Replace custom ->reset() with generic one Date: Fri, 16 Apr 2021 17:20:41 +0300 Message-Id: <20210416142044.17766-1-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org The custom ->reset() repeats the generic one, replace it. Note, in newer kernels the context of the function is a sleeping one, it's fine to switch over to the sleeping functions. Keeping the reset line asserted longer than 20 microseconds is also okay, it's an idling state of the hardware. Fixes: b2ebd4be6fa1 ("staging: fbtft: add fb_agm1264k-fl driver") Signed-off-by: Andy Shevchenko --- v2: new patch split from the bigger fix (Greg) drivers/staging/fbtft/fb_agm1264k-fl.c | 14 -------------- 1 file changed, 14 deletions(-) diff --git a/drivers/staging/fbtft/fb_agm1264k-fl.c b/drivers/staging/fbtft/fb_agm1264k-fl.c index eeeeec97ad27..4dfc22d05a40 100644 --- a/drivers/staging/fbtft/fb_agm1264k-fl.c +++ b/drivers/staging/fbtft/fb_agm1264k-fl.c @@ -77,19 +77,6 @@ static int init_display(struct fbtft_par *par) return 0; } -static void reset(struct fbtft_par *par) -{ - if (!par->gpio.reset) - return; - - dev_dbg(par->info->device, "%s()\n", __func__); - - gpiod_set_value(par->gpio.reset, 0); - udelay(20); - gpiod_set_value(par->gpio.reset, 1); - mdelay(120); -} - /* Check if all necessary GPIOS defined */ static int verify_gpios(struct fbtft_par *par) { @@ -439,7 +426,6 @@ static struct fbtft_display display = { .set_addr_win = set_addr_win, .verify_gpios = verify_gpios, .request_gpios_match = request_gpios_match, - .reset = reset, .write = write, .write_register = write_reg8_bus8, .write_vmem = write_vmem,