From patchwork Tue Dec 12 17:26:38 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: 13489723 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 ABE278E for ; Tue, 12 Dec 2023 09:27:05 -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 1rD6X0-0001uN-S6; Tue, 12 Dec 2023 18:26:54 +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 1rD6Ww-00FOPG-CS; Tue, 12 Dec 2023 18:26:50 +0100 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1rD6Ww-001nbZ-3C; Tue, 12 Dec 2023 18:26:50 +0100 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Michael Turquette , Stephen Boyd , Russell King Cc: linux-clk@vger.kernel.org, MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, kernel@pengutronix.de Subject: [PATCH 1/5] PM / devfreq: sun8i-a33-mbus: Simplify usage of clk_rate_exclusive_get() Date: Tue, 12 Dec 2023 18:26:38 +0100 Message-ID: <5ef585a3d7bee42bac5be0e40efcfbc6e75adfff.1702400947.git.u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.42.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1602; i=u.kleine-koenig@pengutronix.de; h=from:subject:message-id; bh=BWEEMlbdk3cKjZWyjUvI7IytAUTTT/WV9gCP1GmZcvI=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBleJfOPmhzoDA5sG4qdhrM/sUvX0qCREHgSRiU7 27S9foq6kCJATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZXiXzgAKCRCPgPtYfRL+ Thb/B/4w7Bw3FZfecp+Y/PyOwb2XfViWXvM2i2f8tgwva1QajIak9kWuF0ZP1djzjPmArx0WOgi YUd/05PoXflA6sbaolfQrr4uKIRiukF7cs3ohwBjLwCfdVM8FroeP9KIXAcvi3qyX783jicwxzz fLisYqpkTtYsnKPzHhLumHKKIMV4fmWgYpWm9cE8bIVn//IUWOwN5Of3ighdH0PZqg4CKWEuNSW APNEhWEhPIc1XPW5xsBB1SSTPRTRAlVvyFjO1JEO8LIYr1azhNzgV1YWEeWY9A0JKQXaYwNW8Sl 9L6/ctC/RrM5mOka4woknUF4DKZbyZ3GNUf/9rwQwdyWwYUv 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-clk@vger.kernel.org clk_rate_exclusive_get() returns 0 unconditionally. So remove error handling. This prepares making clk_rate_exclusive_get() return void. Signed-off-by: Uwe Kleine-König Reviewed-by: Andre Przywara --- drivers/devfreq/sun8i-a33-mbus.c | 14 ++------------ 1 file changed, 2 insertions(+), 12 deletions(-) diff --git a/drivers/devfreq/sun8i-a33-mbus.c b/drivers/devfreq/sun8i-a33-mbus.c index 13d32213139f..bbc577556944 100644 --- a/drivers/devfreq/sun8i-a33-mbus.c +++ b/drivers/devfreq/sun8i-a33-mbus.c @@ -381,18 +381,10 @@ static int sun8i_a33_mbus_probe(struct platform_device *pdev) "failed to enable bus clock\n"); /* Lock the DRAM clock rate to keep priv->nominal_bw in sync. */ - ret = clk_rate_exclusive_get(priv->clk_dram); - if (ret) { - err = "failed to lock dram clock rate\n"; - goto err_disable_bus; - } + clk_rate_exclusive_get(priv->clk_dram); /* Lock the MBUS clock rate to keep MBUS_TMR_PERIOD in sync. */ - ret = clk_rate_exclusive_get(priv->clk_mbus); - if (ret) { - err = "failed to lock mbus clock rate\n"; - goto err_unlock_dram; - } + clk_rate_exclusive_get(priv->clk_mbus); priv->gov_data.upthreshold = 10; priv->gov_data.downdifferential = 5; @@ -450,9 +442,7 @@ static int sun8i_a33_mbus_probe(struct platform_device *pdev) dev_pm_opp_remove_all_dynamic(dev); err_unlock_mbus: clk_rate_exclusive_put(priv->clk_mbus); -err_unlock_dram: clk_rate_exclusive_put(priv->clk_dram); -err_disable_bus: clk_disable_unprepare(priv->clk_bus); return dev_err_probe(dev, ret, err);