From: Gavin Shan <gwshan@linux.vnet.ibm.com>
To: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org, gwshan@linux.vnet.ibm.com,
imunsie@au1.ibm.com
Subject: Re: [PATCH] powerpc/powernv: document cxl dependency on special case in pnv_eeh_reset()
Date: Mon, 25 Jul 2016 10:13:41 +1000 [thread overview]
Message-ID: <20160725001341.GA10154@gwshan> (raw)
In-Reply-To: <1469171795-9879-1-git-send-email-andrew.donnellan@au1.ibm.com>
On Fri, Jul 22, 2016 at 05:16:35PM +1000, 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 <gwshan@linux.vnet.ibm.com>
>Signed-off-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
>
Reviewed-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
next prev parent reply other threads:[~2016-07-25 0:13 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-22 7:16 [PATCH] powerpc/powernv: document cxl dependency on special case in pnv_eeh_reset() Andrew Donnellan
2016-07-25 0:13 ` Gavin Shan [this message]
2017-05-03 22:18 ` Michael Ellerman
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