From mboxrd@z Thu Jan 1 00:00:00 1970 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 4EE81302CA6; Tue, 26 Aug 2025 14:04:04 +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=1756217045; cv=none; b=Itf3Griyx8uZj3Ae3RCyA6lt7gv0anfXoGgCx5iX8VLRRwBieJcsG+QE/HbtYqLnEgTCEKje254CT0P76gTrQCnM17RyPPlkU/vVy1l62sMuPQF47vHvm0i1dG9nAS6mAd92/YVyPBwu6dcDf5VQRIf+Xuxwm2iUCiyksJdu0V0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756217045; c=relaxed/simple; bh=T/B76OhovgdMVEyOkDhrURQqtNYkcrvzyV1KPJlPFJk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=JWJhKZOrjUIazIv4fTe2Q+ZP7vYcIEI0mbz0Ck29w8+NJ6fYdRghqgjHvMbOthtRdrMIML0BYpiVvTZ4q25R1FynpdmNi60bINdqZ323pk/4K7RT3RD4EkvlHFRUUFBLsKrXwKfBYVNzTPitoSiS4cjjgKARrk8eR6lWtjtKxZI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=BjRVVBd7; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="BjRVVBd7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 87328C113CF; Tue, 26 Aug 2025 14:04:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1756217044; bh=T/B76OhovgdMVEyOkDhrURQqtNYkcrvzyV1KPJlPFJk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BjRVVBd7IDOwaRrnPLRoWhhD2PzMpazWdCO629xTslYkJmKNx22LlGgBJcxYS6I0F 4E0GkGOqIdZjG+76gGudpVFQD5+6a+0IszaYInJAtRpz4nCdp4V7Vs2eHnsL9l/ycq FQrzYHLtW11i/OH4PDyYs90Z35pumPjq42ludQQg= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= , AngeloGioacchino Del Regno , Thierry Reding , Sasha Levin Subject: [PATCH 5.15 608/644] pwm: mediatek: Implement .apply() callback Date: Tue, 26 Aug 2025 13:11:39 +0200 Message-ID: <20250826111001.617622443@linuxfoundation.org> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250826110946.507083938@linuxfoundation.org> References: <20250826110946.507083938@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Uwe Kleine-König [ Upstream commit 758de66f4bd2cac2b1d71db917c65c3d611d4e74 ] To eventually get rid of all legacy drivers convert this driver to the modern world implementing .apply(). This just pushed a variant of pwm_apply_legacy() into the driver that was slightly simplified because the driver doesn't provide a .set_polarity() callback. Signed-off-by: Uwe Kleine-König Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Thierry Reding Stable-dep-of: f21d136caf81 ("pwm: mediatek: Fix duty and period setting") Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/pwm/pwm-mediatek.c | 29 ++++++++++++++++++++++++++--- 1 file changed, 26 insertions(+), 3 deletions(-) --- a/drivers/pwm/pwm-mediatek.c +++ b/drivers/pwm/pwm-mediatek.c @@ -205,10 +205,33 @@ static void pwm_mediatek_disable(struct pwm_mediatek_clk_disable(chip, pwm); } +static int pwm_mediatek_apply(struct pwm_chip *chip, struct pwm_device *pwm, + const struct pwm_state *state) +{ + int err; + + if (state->polarity != PWM_POLARITY_NORMAL) + return -EINVAL; + + if (!state->enabled) { + if (pwm->state.enabled) + pwm_mediatek_disable(chip, pwm); + + return 0; + } + + err = pwm_mediatek_config(pwm->chip, pwm, state->duty_cycle, state->period); + if (err) + return err; + + if (!pwm->state.enabled) + err = pwm_mediatek_enable(chip, pwm); + + return err; +} + static const struct pwm_ops pwm_mediatek_ops = { - .config = pwm_mediatek_config, - .enable = pwm_mediatek_enable, - .disable = pwm_mediatek_disable, + .apply = pwm_mediatek_apply, .owner = THIS_MODULE, };