From nobody Tue Feb 10 00:45:07 2026 Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [185.203.201.7]) (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 B149E208B9 for ; Mon, 19 Feb 2024 07:46:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.203.201.7 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708328802; cv=none; b=o9SwOayLXY3Y1h/b6wwxzqtOvxDGadWqcSxoR0z6c3N/B05boAZiRu+8AkqGsvGArNlRcd0I9QgfuvSTsFURu+Pj9JMkQDwUXI+ib90w8Xw2+ralRvUqHklJa/MgmICOS4Ww47LBlhzpNmDlo8HKZR8kxpGB5DPfYjErOAgAmdo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708328802; c=relaxed/simple; bh=QZqbPBhPYmmHIl+LVwHKgs3Du4oSnfjsBLIeKUtJ4R0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=mW7YMM7pn2JAX6TCZLthJwciU8ECbrBwIzXB5tEHq4x7htDffTVd/WLqUh4iS8uyGt8Qb88Tzv3RtbGNWrHO5D0p375Xex0dPLHuYQVefSkVQa+B3cDET+ALHuHjDIr51mR+yKnouN+PvhaknmtNG3h0buOLkdv/q1oiL5Zi5W8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de; spf=pass smtp.mailfrom=pengutronix.de; arc=none smtp.client-ip=185.203.201.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=pengutronix.de 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 1rbyMH-0000QD-TM; Mon, 19 Feb 2024 08:46:37 +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 1rbyMH-001bHu-Gb; Mon, 19 Feb 2024 08:46:37 +0100 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.96) (envelope-from ) id 1rbyMH-007bvV-1P; Mon, 19 Feb 2024 08:46:37 +0100 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= To: Thorsten Scherer Cc: Pengutronix Kernel Team , linux-kernel@vger.kernel.org Subject: [PATCH 1/4] siox: Don't pass the reference on a master in siox_master_register() Date: Mon, 19 Feb 2024 08:46:29 +0100 Message-ID: <1e8d09d17848e58e8fc6a46278b5e8fb0cf4618a.1708328466.git.u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: 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" X-Developer-Signature: v=1; a=openpgp-sha256; l=1309; i=u.kleine-koenig@pengutronix.de; h=from:subject:message-id; bh=QZqbPBhPYmmHIl+LVwHKgs3Du4oSnfjsBLIeKUtJ4R0=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBl0wdWQIu5tDnIFdc4N1sCtCpl7yfMajaokhN6X zhaCNQH6vaJATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZdMHVgAKCRCPgPtYfRL+ TmucCACzAy5qlIT/7W4Sm4FWw3zBPiSj1dbaIYxgNHhkg4SB+a8KSq2XtyAx2Rl76t1DKcrrohc oqlSrwKqMOJ5+bW7uRZArvofTevc3xNiGPLsUHOYuRqWUMEDRHo+8wo//phN3noWK7j0IQaW+A/ BytMKxoYFadNh99eR8l1b49XiQKAJRuLIZar6dAFAAohwT50v8oKYBhCfh8D4EO2DHrPZLqPvYF RzgrcPvZwQyHbvrgcDOCPDKdDicPZsraXEhCepcpOJyHXmy4QZGffp9eiQDPIAJ5PtAenaLrNCX I5iKqhL/1cCcmZO9Myf6pHypVYQO86Xn4BsqGZCsBa7OCa9K X-Developer-Key: i=u.kleine-koenig@pengutronix.de; a=openpgp; fpr=0D2511F322BFAB1C1580266BE2DCDD9132669BD6 Content-Transfer-Encoding: quoted-printable 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-kernel@vger.kernel.org While it's technically fine to pass the ownership of the reference on a struct siox_master from the caller of siox_master_register() to the framework this is hard to use. Instead let the framework take its own reference (that is freed in siox_master_unregister()) and drop the bus driver's reference in its remove callback. Signed-off-by: Uwe Kleine-K=C3=B6nig --- drivers/siox/siox-bus-gpio.c | 2 ++ drivers/siox/siox-core.c | 2 ++ 2 files changed, 4 insertions(+) diff --git a/drivers/siox/siox-bus-gpio.c b/drivers/siox/siox-bus-gpio.c index aeefeb725524..fdf20fe80059 100644 --- a/drivers/siox/siox-bus-gpio.c +++ b/drivers/siox/siox-bus-gpio.c @@ -149,6 +149,8 @@ static int siox_gpio_remove(struct platform_device *pde= v) =20 siox_master_unregister(master); =20 + siox_master_put(master); + return 0; } =20 diff --git a/drivers/siox/siox-core.c b/drivers/siox/siox-core.c index 561408583b2b..d4acab7036d6 100644 --- a/drivers/siox/siox-core.c +++ b/drivers/siox/siox-core.c @@ -717,6 +717,8 @@ int siox_master_register(struct siox_master *smaster) if (!smaster->pushpull) return -EINVAL; =20 + get_device(&smaster->dev); + dev_set_name(&smaster->dev, "siox-%d", smaster->busno); =20 mutex_init(&smaster->lock); --=20 2.43.0