From patchwork Wed Dec 6 11:44:22 2023 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: 13481589 Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [IPv6:2a0a:edc0:2:b01:1d::104]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 216BB10C9 for ; Wed, 6 Dec 2023 03:48:38 -0800 (PST) Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1rAqOI-0006w5-HX; Wed, 06 Dec 2023 12:48:34 +0100 Received: from [2a0a:edc0:0:900:1d::77] (helo=ptz.office.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1rAqOF-00Dwvb-QM; Wed, 06 Dec 2023 12:48:31 +0100 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1rAqOF-00FR0z-HJ; Wed, 06 Dec 2023 12:48:31 +0100 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Thierry Reding Cc: kernel@pengutronix.de, Paul Cercueil , linux-mips@vger.kernel.org, linux-pwm@vger.kernel.org Subject: [PATCH v4 068/115] pwm: jz4740: Make use of devm_pwmchip_alloc() function Date: Wed, 6 Dec 2023 12:44:22 +0100 Message-ID: X-Mailer: git-send-email 2.42.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-mips@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2167; i=u.kleine-koenig@pengutronix.de; h=from:subject:message-id; bh=nriEtKfizy+dLJE8Bx+JHMdROcX/lWIpUsRsawKMsws=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBlcF7YWf59rFTEzI9YxtCtWy0ohjXLQWTbXdH47 sgqhnVYEp+JATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZXBe2AAKCRCPgPtYfRL+ TgYIB/9XzZqB2kjuaOS/qR17/j7e83nwHvSN3TOHPaHG9tSKO3VHGoVC2eR7bGIBRHlGt3YIBlh 02V7uvygq/98/nuCPl029Y4nB7YFuNkHeyn6poKmN5o/C1tp5vou60UUznmAPc9oTAuc3kYZNWS VN4kpAyNo8kgk+Bnoq1/ox7fb+3jgJYXu/ZA1l+pEA7PEjyMsp7TE9WNrDq0LuIwI0dICEJOezZ F84mJrCbdo+P9YiMjUtGkECcFUmmf8FtGNGM7EIdFsGW26DF+nYBeyU2dHCd1ghCmbvDTA3i5PP +bYbr2Gtgyv3yzHSjUKOxADPzwXEP+AW/eja7EaMPQlzmEGA X-Developer-Key: i=u.kleine-koenig@pengutronix.de; a=openpgp; fpr=0D2511F322BFAB1C1580266BE2DCDD9132669BD6 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: ukl@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-mips@vger.kernel.org This prepares the pwm-jz4740 driver to further changes of the pwm core outlined in the commit introducing devm_pwmchip_alloc(). There is no intended semantical change and the driver should behave as before. Acked-by: Paul Cercueil Signed-off-by: Uwe Kleine-König --- drivers/pwm/pwm-jz4740.c | 18 ++++++++---------- 1 file changed, 8 insertions(+), 10 deletions(-) diff --git a/drivers/pwm/pwm-jz4740.c b/drivers/pwm/pwm-jz4740.c index 36763134cd87..5a7cc41df77e 100644 --- a/drivers/pwm/pwm-jz4740.c +++ b/drivers/pwm/pwm-jz4740.c @@ -25,14 +25,13 @@ struct soc_info { }; struct jz4740_pwm_chip { - struct pwm_chip chip; struct regmap *map; struct clk *clk[]; }; static inline struct jz4740_pwm_chip *to_jz4740(struct pwm_chip *chip) { - return container_of(chip, struct jz4740_pwm_chip, chip); + return pwmchip_get_drvdata(chip); } static bool jz4740_pwm_can_use_chn(struct pwm_chip *chip, unsigned int channel) @@ -222,6 +221,7 @@ static const struct pwm_ops jz4740_pwm_ops = { static int jz4740_pwm_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; + struct pwm_chip *chip; struct jz4740_pwm_chip *jz; const struct soc_info *info; @@ -229,10 +229,10 @@ static int jz4740_pwm_probe(struct platform_device *pdev) if (!info) return -EINVAL; - jz = devm_kzalloc(dev, struct_size(jz, clk, info->num_pwms), - GFP_KERNEL); - if (!jz) - return -ENOMEM; + chip = devm_pwmchip_alloc(dev, info->num_pwms, struct_size(jz, clk, info->num_pwms)); + if (IS_ERR(chip)) + return PTR_ERR(chip); + jz = to_jz4740(chip); jz->map = device_node_to_regmap(dev->parent->of_node); if (IS_ERR(jz->map)) { @@ -240,11 +240,9 @@ static int jz4740_pwm_probe(struct platform_device *pdev) return PTR_ERR(jz->map); } - jz->chip.dev = dev; - jz->chip.ops = &jz4740_pwm_ops; - jz->chip.npwm = info->num_pwms; + chip->ops = &jz4740_pwm_ops; - return devm_pwmchip_add(dev, &jz->chip); + return devm_pwmchip_add(dev, chip); } static const struct soc_info jz4740_soc_info = {