linux-kernel - [PATCH v4 1/2] remoteproc: imx_dsp_rproc: add mandatory find_loaded_rsc

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Message-Id: <20231013152731.23471-2-iuliana.prodan@oss.nxp.com>
Date:   Fri, 13 Oct 2023 18:27:30 +0300
From:   "Iuliana Prodan (OSS)" <iuliana.prodan@....nxp.com>
To:     Mathieu Poirier <mathieu.poirier@...aro.org>, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        Shawn Guo <shawnguo@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        alexander.stein@...tq-group.com,
        "S.J. Wang" <shengjiu.wang@....com>,
        Fabio Estevam <festevam@...il.com>, devicetree@...r.kernel.org,
        Daniel Baluta <daniel.baluta@....com>,
        Mpuaudiosw <Mpuaudiosw@....com>,
        Iuliana Prodan <iuliana.prodan@....com>
Cc:     linux-imx <linux-imx@....com>, linux-remoteproc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        LnxRevLi <LnxRevLi@....com>
Subject: [PATCH v4 1/2] remoteproc: imx_dsp_rproc: add mandatory find_loaded_rsc_table op

From: Iuliana Prodan <iuliana.prodan@....com>

Add the .find_loaded_rsc_table operation for i.MX DSP.
We need it for inter-process communication between DSP
and main core.

This callback is used to find the resource table (defined
in remote processor linker script) where the address of the
vrings along with the other allocated resources (carveouts etc)
are stored.
If this is not found, the vrings are not allocated and
the IPC between cores will not work.

Signed-off-by: Iuliana Prodan <iuliana.prodan@....com>
Reviewed-by: Daniel Baluta <daniel.baluta@....com>
---
 drivers/remoteproc/imx_dsp_rproc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/remoteproc/imx_dsp_rproc.c b/drivers/remoteproc/imx_dsp_rproc.c
index 8fcda9b74545..a1c62d15f16c 100644
--- a/drivers/remoteproc/imx_dsp_rproc.c
+++ b/drivers/remoteproc/imx_dsp_rproc.c
@@ -940,6 +940,7 @@ static const struct rproc_ops imx_dsp_rproc_ops = {
 	.kick		= imx_dsp_rproc_kick,
 	.load		= imx_dsp_rproc_elf_load_segments,
 	.parse_fw	= imx_dsp_rproc_parse_fw,
+	.find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table,
 	.sanity_check	= rproc_elf_sanity_check,
 	.get_boot_addr	= rproc_elf_get_boot_addr,
 };
-- 
2.17.1