From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793136434; b=O6a1OhWjatX+/5O7ummpFkdViP4lR8zZPa8RyfCW0SJzeJ9VupfQTk1glvkQRRNs4Hr6 LJeAG+WbOpYQ+S0e425RY0vbe/eDjUIpLzpMfu+iIjlvVUq+LLHm4lhjlo2X2exHpwyat YspnkBkhll+QjgiebVWYAspQ+VtJkUwYvjfjO8SzH23HQlpfqhpR1DDlrhBKCmIu1fUDs bBrkWapaYGsC2WEhy4owT/XS5vg9rnLvLRGDLnSd9nVzkXt+/PLILFD0f/5R0Q3l7uxrm jHA4Gr1Z91GAoWhcvA2Ed0Y9J3xpF35lE2kmGFny//B2JefGXR1aPw+KAtGaSfqKXOg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793136434; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-ID: In-Reply-To:References:MIME-Version:Content-Type: Content-Transfer-Encoding; bh=kESwSTGC/FOWEdvQippRMdRenOboGaWNTRd7jgw6cOg=; b=3m3HNKiG2f8KPgCMQCK6QxNciby2R6IMk7FZ19mS6CHPUPMjgJRingtGprDr0dXSOrOQ t0AB1y5mxekmmyHpOF01Sm/shJ8FOVynLA6UxdYkOsdOEnbTtjBw6UsXUEikB275TgVXD BNScYwPfytOh5RxgzM/QtcigedQt665ogg7lueCXfn8Z7t7QaXnO8hslrL5TKO0Pd12Fg vgSIZWrtgJPlp/eMdeBTbU31/Vx4Ldlly3TzvofuX6fpeF6JPHrOzl7t9i2dIRIWSJNDA bPRFenotWVmgqQKrR35Vt7tcDiW0feXrreZBu4X0HzJGpgIt8uen2PwIP77tXRSsSSA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=NFfoSiky; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 91759606A31A; Tue, 27 Oct 2026 21:27:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=NFfoSiky Received: by smtp.kernel.org (Postfix) with ESMTPSA id C41E11F01825; Tue, 27 Oct 2026 21:27:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793136434; bh=kESwSTGC/FOWEdvQippRMdRenOboGaWNTRd7jgw6cOg=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=NFfoSiky1ZEnDDq3KMO0a3U7/6jgcMEXup4NtpE6hfOL+ubUr+0YF5aMw7KafAtQN 54Prid+YQ421EjJolvdBnjf+GoMrBIGQxShkeppwF+gf9+UrX8pGdJ1eC5e4vxIl3U S+lODW6WsFAhlNmuseE9eaFQ5SSWl1h/c6erQ6cX+iDRgUqUUF2UEWU0C0ENVR5/x0 WSwrp1171WirTr+BD5LNvM5jIc2VDl6Yh/tl0wTvrNjsovAVcM6sJKq0bDktUes7x1 1aVLrznR5atMwv+dplpwhOJVCLQ6ejLrSANjorFZbm8H0DFbc2cXoMielkE8FxAe+v HtzgslMrCGLig== Date: Tue, 27 Oct 2026 14:27:13 -0700 From: Jakub Kicinski To: ChunYuZhiQiang Cc: netdev-bot+sinfo@kernel.org, netdev@vger.kernel.org, linux-can@vger.kernel.org, mkl@pengutronix.de, mailhol@kernel.org, kernel@pengutronix.de, haibo.chen@oss.nxp.com, shawnguo@kernel.org, imx@lists.linux.dev, stable@vger.kernel.org Subject: Re: [PATCH v8 1/2] can: dev: can_fill_info(): don't wake up controller if interface is down Message-ID: <20261027142713.5fdd318b@kernel.org> In-Reply-To: <20261027065012.191348-1-chunyuzhiqiang@yinhe.ht> References: <20261027065012.191348-1-chunyuzhiqiang@yinhe.ht> X-Mailing-List: imx@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Tue, 27 Oct 2026 14:50:11 +0800 ChunYuZhiQiang wrote: > If the interface is down, the CAN controller might be powered down and > its clocks gated. Don't call do_get_berr_counter() to read the bus error > counters if the interface is down, and adjust can_get_size() to match. Please don't CC netdev@ on run-of-the-mill CAN patches. Follow to MAINTAINERS / get_maintainers.pl