From nobody Mon Feb 9 02:37:57 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4ADA02E888A; Thu, 29 Jan 2026 06:43:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769669018; cv=none; b=ewwzrxMeSQzajKkM8wcAYOYKCUJtvHIui2E+YCL8RqlHDox7PpzNfY2UTTMczbKpk7xktJkDSzJ4L2ptM5+JGeWQKvntJsSiFHtsyVNeJxmBIjjq3RdIjZNdspD1PpxGRRzlW/LP7ZsbuCtFfu7Gh4D9d5ozt99uO/FC8YqxAFM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769669018; c=relaxed/simple; bh=CMjtTTUatcT7K+NpjWC4jF/hJ/aoTIExTcNHTL8lV7w=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=TO7F+bxnwFgyup0KezHA9tLHN+8HYMqB2IJGgABCTyGZ9lyZCoTbXlBPBj3hkhHilMjqsl9P6i4d2pV7iUhKYJqXCZPLkyOm2p1SZy9cYbOB2/578hSnMdAV5BfHu31JBhNp8u6hokhXq0nxkcR9tvvm6myXGjGiPYJOyQYrYTo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=AwyCfy2g; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="AwyCfy2g" Received: by smtp.kernel.org (Postfix) with ESMTPS id D0FDBC116D0; Thu, 29 Jan 2026 06:43:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1769669017; bh=CMjtTTUatcT7K+NpjWC4jF/hJ/aoTIExTcNHTL8lV7w=; h=From:Date:Subject:To:Cc:Reply-To:From; b=AwyCfy2gBB22iA851qaspo6i0erYZXgxJ3DS++tgYkx8BrKFowEw3DbMBirGb77dE Fk58B9hk29UdD8kofrDIBtNNssiD4BrgolVvvwizkOZHaJeJUeq2apicp1O7oUIIrq DZ4vj6LNf5TZHdv6c995Ua5PVB2/KfY9IZba+2vqHLiJSbnao42z2pnP10Ks+yvhme Zm/GZdu00a6YZNHmSN3huZsNmkeWE0sZiEtUpSyCj7HKKx+KiRmyAoKz8XGjXi16iF 0P3ZNZ1/iax7ZnyrtDN1EMO9HIOdLRHOjIlwlUnHQkaKIVP+EedGLeEKhdvcuz+qQa RN1FrGUcR3mug== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id BECF3D358CF; Thu, 29 Jan 2026 06:43:37 +0000 (UTC) From: Ben Zong-You Xie via B4 Relay Date: Thu, 29 Jan 2026 14:43:34 +0800 Subject: [PATCH] drivers: pwm: remove redundant check in pwm_ops_check() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260129-fix-pwm-ops-check-v1-1-6f0b7952c875@andestech.com> X-B4-Tracking: v=1; b=H4sIAJUBe2kC/yXM0QqCQBCF4VeRuW5gXWnFXiW6sPGkU6TLTmUgv rubXX5wzr+QISmMTsVCCR81ncaM8lCQDO3Yg7XLJu98cKVv+KZfjvOTp2gsA+TBAVUQuKarjy3 lX0zIo715vvxt7+sd8vqFaF03ID1zUnUAAAA= X-Change-ID: 20260129-fix-pwm-ops-check-6e36ce09d75a To: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= Cc: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , linux-pwm@vger.kernel.org, linux-kernel@vger.kernel.org, Ben Zong-You Xie X-Mailer: b4 0.15-dev-47773 X-Developer-Signature: v=1; a=ed25519-sha256; t=1769669016; l=921; i=ben717@andestech.com; s=20260120; h=from:subject:message-id; bh=a9RiAo/8R5Tlj69Vgjm25sELpahOvVfSyEKanqMOV6w=; b=Nrmpy0YBi+qTZA1mdEGrL7qlV12ahfdGG6oB2rJsfhbhY+RsXosr35fGWTQ+l0Rvj4JIorvaq 8X+fdBpMZ+uAxJorkkke1Cq+oZDPY755nr65xlhmsLXz9wfMI4X5oxz X-Developer-Key: i=ben717@andestech.com; a=ed25519; pk=nb8L7zQKGJpYk0yvrYKjViOZ34A36g1ZIsCmCsP518s= X-Endpoint-Received: by B4 Relay for ben717@andestech.com/20260120 with auth_id=610 X-Original-From: Ben Zong-You Xie Reply-To: ben717@andestech.com From: Ben Zong-You Xie Drop the redundant check for the existence of 'ops->write_waveform'. Fixes: 17e40c25158f ("pwm: New abstraction for PWM waveforms") Signed-off-by: Ben Zong-You Xie --- drivers/pwm/core.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c index ec8731515333..450aedd32c81 100644 --- a/drivers/pwm/core.c +++ b/drivers/pwm/core.c @@ -1699,8 +1699,7 @@ static bool pwm_ops_check(const struct pwm_chip *chip) =20 if (ops->write_waveform) { if (!ops->round_waveform_tohw || - !ops->round_waveform_fromhw || - !ops->write_waveform) + !ops->round_waveform_fromhw) return false; =20 if (PWM_WFHWSIZE < ops->sizeof_wfhw) { --- base-commit: 63faf32666e03a78cc985bcbae196418cf7d7938 change-id: 20260129-fix-pwm-ops-check-6e36ce09d75a Best regards, -- =20 Ben Zong-You Xie