From patchwork Sat Aug 24 15:37:01 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= X-Patchwork-Id: 11113031 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5469E912 for ; Sat, 24 Aug 2019 15:37:38 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 25A792133F for ; Sat, 24 Aug 2019 15:37:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="GvPeQO2v" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 25A792133F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kleine-koenig.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=GtlotczkaGSrw50AI01g7jOyx/xKlGObTTkhwr9nO04=; b=GvPeQO2vTVFrEA tyZWtxTPzXgI0TAeIUbOE7Up4+0d/N4A55hisGbpyZ6iu788fQYp9R6IG+P0c4TGttqMCRrxrvEyU FSk2NXqcpn7WE6HrQtFdR4pt8oGefwXp6HgYb5x7Vd5BWBZqk/mhomuI8UuSKQk7A/TJmsy1bkL0Z KpB7Xn8lmoi1pDq9+b992ZJV5JEq8aSBcIz0d4sIvBSfdShTtLQuplDZ2j2peEaDUVejn8EgDIgPv RDSkK+HCKu2c1R6ds2Q9bhaWNdTRu0M9RnmtPj41Q9DcHGtsvsnKAEcOxh+4e4Y7/7vTazInH4dZS GzcF2czEZEan25tjb9Hw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1i1Y6c-0005NV-IO; Sat, 24 Aug 2019 15:37:30 +0000 Received: from antares.kleine-koenig.org ([2a01:4f8:c0c:3a97::2]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1i1Y6Z-0005N7-Dq for linux-rockchip@lists.infradead.org; Sat, 24 Aug 2019 15:37:29 +0000 Received: by antares.kleine-koenig.org (Postfix, from userid 1000) id E152377EAE2; Sat, 24 Aug 2019 17:37:24 +0200 (CEST) From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Thierry Reding , Heiko Stuebner , Maxime Ripard , Chen-Yu Tsai , Patrick Havelange Subject: [PATCH v3 0/6] pwm: ensure pwm_apply_state() doesn't modify the state argument Date: Sat, 24 Aug 2019 17:37:01 +0200 Message-Id: <20190824153707.13746-1-uwe@kleine-koenig.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190824_083727_622933_7FD94A42 X-CRM114-Status: UNSURE ( 7.04 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.0 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-pwm@vger.kernel.org, kernel@pengutronix.de, linux-rockchip@lists.infradead.org Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org Hello, this series eventually changes the prototype of pwm_apply_state to take a const struct pwm_state *, see the last patch for a rationale. Changes since v2 apart from rebasing and so covering a few more drivers is mainly addressing the concern that after state was rounded and applied at least pwm_get_state should return the rounded values. See patch 2. Uwe Kleine-König (6): pwm: introduce local struct pwm_chip in pwm_apply_state() pwm: let pwm_get_state() return the last implemented state pwm: rockchip: Don't update the state for the caller of pwm_apply_state() pwm: sun4i: Don't update the state for the caller of pwm_apply_state() pwm: fsl-ftm: Don't update the state for the caller of pwm_apply_state() pwm: ensure pwm_apply_state() doesn't modify the state argument drivers/pwm/core.c | 39 +++++++++++++++++++++-------------- drivers/pwm/pwm-atmel-hlcdc.c | 2 +- drivers/pwm/pwm-atmel.c | 2 +- drivers/pwm/pwm-bcm-iproc.c | 2 +- drivers/pwm/pwm-cros-ec.c | 2 +- drivers/pwm/pwm-fsl-ftm.c | 8 ++----- drivers/pwm/pwm-hibvt.c | 2 +- drivers/pwm/pwm-imx-tpm.c | 4 ++-- drivers/pwm/pwm-imx27.c | 2 +- drivers/pwm/pwm-jz4740.c | 2 +- drivers/pwm/pwm-lpss.c | 2 +- drivers/pwm/pwm-meson.c | 4 ++-- drivers/pwm/pwm-rcar.c | 2 +- drivers/pwm/pwm-rockchip.c | 10 ++------- drivers/pwm/pwm-sifive.c | 2 +- drivers/pwm/pwm-stm32-lp.c | 2 +- drivers/pwm/pwm-stm32.c | 4 ++-- drivers/pwm/pwm-sun4i.c | 10 ++------- drivers/pwm/pwm-zx.c | 2 +- include/linux/pwm.h | 4 ++-- 20 files changed, 49 insertions(+), 58 deletions(-)