From patchwork Mon Jan 24 18:46:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 535285 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 1D893C433F5 for ; Mon, 24 Jan 2022 21:54:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1575050AbiAXVu7 (ORCPT ); Mon, 24 Jan 2022 16:50:59 -0500 Received: from dfw.source.kernel.org ([139.178.84.217]:60708 "EHLO dfw.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1352128AbiAXVnE (ORCPT ); Mon, 24 Jan 2022 16:43:04 -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 2EAA7612E5; Mon, 24 Jan 2022 21:43:04 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 17D7DC340E4; Mon, 24 Jan 2022 21:43:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1643060583; bh=qUzPwoD8luyL20rDQ9zTz7gFj1WnVztB4linAqs+gbM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=yxcMkqH0v2u0S4FUmM2bK8IJK9hDvOnQWg/g+x6c4yTdkbri6VQDY4IstRCLm0ENy AO0MSVxv27hsgqNg9uKyqREB8Jdq4fm98xSWffByStILP0dOZ3LiN1wXTCgu4ZM135 AzXw0TV8pg7s2dgUPp1wiVWVGBuvvILOZu7ksVnk= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Tudor Ambarus , Vinod Koul Subject: [PATCH 5.16 0996/1039] dmaengine: at_xdmac: Print debug message after realeasing the lock Date: Mon, 24 Jan 2022 19:46:25 +0100 Message-Id: <20220124184158.767643944@linuxfoundation.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220124184125.121143506@linuxfoundation.org> References: <20220124184125.121143506@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; }