From mboxrd@z Thu Jan 1 00:00:00 1970 From: hanjun.guo@linaro.org (Hanjun Guo) Date: Thu, 5 Jan 2017 16:19:58 +0800 Subject: [PATCH v6 08/14] ACPI: ARM64: IORT: rework iort_node_get_id() In-Reply-To: <20170104175822.GD8604@red-moon> References: <1483363905-2806-1-git-send-email-hanjun.guo@linaro.org> <1483363905-2806-9-git-send-email-hanjun.guo@linaro.org> <20170104175822.GD8604@red-moon> Message-ID: <41ea75c7-e371-a9a6-6143-af34c42ab59e@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Lorenzo, On 2017/1/5 1:58, Lorenzo Pieralisi wrote: > On Mon, Jan 02, 2017 at 09:31:39PM +0800, Hanjun Guo wrote: >> iort_node_get_id() has two output, one is the mapped ids, >> the other is the referenced parent node which is returned >> from the function. >> >> For now we need a API just return its parent node for >> single mapping, so just update this function slightly then >> reuse it later. > > I think we need to fix iort_node_get_id() first though, I am referring > to the index usage in relation to acpi_iort_id_mapping.output_reference > and related parent pointer retrieval as you reported to me, I am happy > to send it upstream independently. Sure, please. > > As for this patch it is ok even though we can create an API that > just retrieve a node parent without fiddling about with passing > a NULL pointer for the id_out to achieve the same. Since you commented "[PATCH v6 05/14] ACPI: platform-msi: retrieve dev id from IORT" which also refer to this API, I will reply in that email. Thanks Hanjun