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=-19.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 9B7B2C11F66 for ; Sat, 10 Jul 2021 23:55:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 85A2961057 for ; Sat, 10 Jul 2021 23:55:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233183AbhGJX6d (ORCPT ); Sat, 10 Jul 2021 19:58:33 -0400 Received: from mail.kernel.org ([198.145.29.99]:47600 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233103AbhGJX5k (ORCPT ); Sat, 10 Jul 2021 19:57:40 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 21F40613D2; Sat, 10 Jul 2021 23:52:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1625961162; bh=lwqM6PvVga1wrNPdaKICIzDas3E2Hl7kjyv++ULeiNA=; h=From:To:Cc:Subject:Date:From; b=MHsRiEeilE0S/rWZrBaJPAB7kEZAoS3f05ECZE+SJd66Beva9EU1Lj2e9fe8IRbZ3 KdNzRWznYXrd1cHP/GjzjPTe/Xudh4c+nAljqXR1s7zRVBhvadGRmQIgEHQQpOcUdb Pl2n9CqWSfAGQxkzIYiTZ5QPNm/+VCHmkMaBwXKR8yOUoT0A4pOBmEBy1ibH0S7IV5 DeuS0A7PyVjNwD7d7sTE5/yTZ10AHrEL3LnE2cPmmqdKL7qkgrNzg6ZfykmHu//Z7F 74GaK6twZOLmYEsqT6jA49EOvz/IDPpDyTw4YBreqhGtws/WKiHkyB64MT/zUOW9hS tfmd0CtG2AeJA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= , Thierry Reding , Sasha Levin , linux-pwm@vger.kernel.org Subject: [PATCH AUTOSEL 4.9 01/16] pwm: spear: Don't modify HW state in .remove callback Date: Sat, 10 Jul 2021 19:52:25 -0400 Message-Id: <20210710235240.3222618-1-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-pwm@vger.kernel.org From: Uwe Kleine-König [ Upstream commit b601a18f12383001e7a8da238de7ca1559ebc450 ] A consumer is expected to disable a PWM before calling pwm_put(). And if they didn't there is hopefully a good reason (or the consumer needs fixing). Also if disabling an enabled PWM was the right thing to do, this should better be done in the framework instead of in each low level driver. So drop the hardware modification from the .remove() callback. Signed-off-by: Uwe Kleine-König Signed-off-by: Thierry Reding Signed-off-by: Sasha Levin --- drivers/pwm/pwm-spear.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/pwm/pwm-spear.c b/drivers/pwm/pwm-spear.c index 6c6b44fd3f43..2d11ac277de8 100644 --- a/drivers/pwm/pwm-spear.c +++ b/drivers/pwm/pwm-spear.c @@ -231,10 +231,6 @@ static int spear_pwm_probe(struct platform_device *pdev) static int spear_pwm_remove(struct platform_device *pdev) { struct spear_pwm_chip *pc = platform_get_drvdata(pdev); - int i; - - for (i = 0; i < NUM_PWM; i++) - pwm_disable(&pc->chip.pwms[i]); /* clk was prepared in probe, hence unprepare it here */ clk_unprepare(pc->clk); -- 2.30.2