From patchwork Mon Jan 24 18:45:34 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 535679 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 50E5CC43217 for ; Mon, 24 Jan 2022 20:54:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1442221AbiAXUxx (ORCPT ); Mon, 24 Jan 2022 15:53:53 -0500 Received: from dfw.source.kernel.org ([139.178.84.217]:42638 "EHLO dfw.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1392244AbiAXUu4 (ORCPT ); Mon, 24 Jan 2022 15:50:56 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 1972660B0B; Mon, 24 Jan 2022 20:50:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D22F0C340E5; Mon, 24 Jan 2022 20:50:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1643057455; bh=qUzPwoD8luyL20rDQ9zTz7gFj1WnVztB4linAqs+gbM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=spNLVKN8+7pkV/fBGCpjOO2GH/thD5O5MBfbhO1MtlG2s2jrjvDZt+AZwYDRxXTfl PNSQTrHc5GbpeJF9vuUfraUcIIMcZME21zO0aUynude+l56OfAxhDQWvQN2IpD8DCw Hys2U8lI+y8mb2xYO9pQmAHNF4L/f6kelOSrE2xA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Tudor Ambarus , Vinod Koul Subject: [PATCH 5.15 817/846] dmaengine: at_xdmac: Print debug message after realeasing the lock Date: Mon, 24 Jan 2022 19:45:34 +0100 Message-Id: <20220124184129.089588433@linuxfoundation.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220124184100.867127425@linuxfoundation.org> References: <20220124184100.867127425@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Tudor Ambarus commit 5edc24ac876a928f36f407a0fcdb33b94a3a210f upstream. It is desirable to do the prints without the lock held if possible, so move the print after the lock is released. Fixes: e1f7c9eee707 ("dmaengine: at_xdmac: creation of the atmel eXtended DMA Controller driver") Signed-off-by: Tudor Ambarus Link: https://lore.kernel.org/r/20211215110115.191749-4-tudor.ambarus@microchip.com Signed-off-by: Vinod Koul Signed-off-by: Greg Kroah-Hartman --- drivers/dma/at_xdmac.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) --- a/drivers/dma/at_xdmac.c +++ b/drivers/dma/at_xdmac.c @@ -473,10 +473,12 @@ static dma_cookie_t at_xdmac_tx_submit(s spin_lock_irqsave(&atchan->lock, irqflags); cookie = dma_cookie_assign(tx); - dev_vdbg(chan2dev(tx->chan), "%s: atchan 0x%p, add desc 0x%p to xfers_list\n", - __func__, atchan, desc); list_add_tail(&desc->xfer_node, &atchan->xfers_list); spin_unlock_irqrestore(&atchan->lock, irqflags); + + dev_vdbg(chan2dev(tx->chan), "%s: atchan 0x%p, add desc 0x%p to xfers_list\n", + __func__, atchan, desc); + return cookie; }