From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ozlabs.org (ozlabs.org [103.22.144.67]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3wJCHG0vFxzDqBH for ; Thu, 4 May 2017 08:18:50 +1000 (AEST) In-Reply-To: <1469171795-9879-1-git-send-email-andrew.donnellan@au1.ibm.com> To: Andrew Donnellan , linuxppc-dev@lists.ozlabs.org From: Michael Ellerman Cc: gwshan@linux.vnet.ibm.com, imunsie@au1.ibm.com Subject: Re: powerpc/powernv: document cxl dependency on special case in pnv_eeh_reset() Message-Id: <3wJCHG05KZz9rxm@ozlabs.org> Date: Thu, 4 May 2017 08:18:49 +1000 (AEST) List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Fri, 2016-07-22 at 07:16:35 UTC, Andrew Donnellan wrote: > pnv_eeh_reset() has special handling for PEs whose primary bus is the root > bus or the bus immediately underneath the root port. > > The cxl bi-modal card support added in b0b5e5918ad1 ("cxl: Add > cxl_check_and_switch_mode() API to switch bi-modal cards") relies on this > behaviour when hot-resetting the CAPI adapter following a mode switch. > Document this in pnv_eeh_reset() so we don't accidentally break it. > > Suggested-by: Gavin Shan > Signed-off-by: Andrew Donnellan > Reviewed-by: Gavin Shan Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/b7da1230532984fc00962b2c8be94a cheers