linux-kernel - [PATCH v9 2/7] remoteproc: qcom: Add flag in adsp private data structure

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Date:   Tue, 27 Sep 2022 19:26:38 +0530
From:   Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
To:     <linux-remoteproc@...r.kernel.org>, <agross@...nel.org>,
        <andersson@...nel.org>, <lgirdwood@...il.com>,
        <broonie@...nel.org>, <robh+dt@...nel.org>,
        <quic_plai@...cinc.com>, <bgoswami@...cinc.com>, <perex@...ex.cz>,
        <tiwai@...e.com>, <srinivas.kandagatla@...aro.org>,
        <quic_rohkumar@...cinc.com>, <linux-arm-msm@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <swboyd@...omium.org>,
        <judyhsiao@...omium.org>, <devicetree@...r.kernel.org>,
        <krzysztof.kozlowski@...aro.org>
CC:     Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
Subject: [PATCH v9 2/7] remoteproc: qcom: Add flag in adsp private data structure

Add flag in qcom_adsp private data structure and initialize
it to distinguish ADSP modules, which has iommu requirement,
for using iommu selectively.

Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
Reviewed-by: Stephen Boyd <swboyd@...omium.org>
Reviewed-by: Sibi Sankar <quic_sibis@...cinc.com>
---
Changes since V6:
	-- Update commit message.
Changes since V5:
	-- Rename adsp_sandbox_needed to has_iommu.
Changes since V3:
	-- Rename is_adsp_sb_needed to adsp_sandbox_needed.
Changes since V2:
	-- Add is_adsp_sb_needed flag instead of is_wpss.

 drivers/remoteproc/qcom_q6v5_adsp.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/remoteproc/qcom_q6v5_adsp.c b/drivers/remoteproc/qcom_q6v5_adsp.c
index 4c9a1b9..fe385e8 100644
--- a/drivers/remoteproc/qcom_q6v5_adsp.c
+++ b/drivers/remoteproc/qcom_q6v5_adsp.c
@@ -62,6 +62,7 @@ struct adsp_pil_data {
 	const char *sysmon_name;
 	int ssctl_id;
 	bool is_wpss;
+	bool has_iommu;
 	bool auto_boot;
 
 	const char **clk_ids;
@@ -99,6 +100,7 @@ struct qcom_adsp {
 	phys_addr_t mem_reloc;
 	void *mem_region;
 	size_t mem_size;
+	bool has_iommu;
 
 	struct device *proxy_pds[QCOM_Q6V5_RPROC_PROXY_PD_MAX];
 	size_t proxy_pd_count;
@@ -595,12 +597,15 @@ static int adsp_probe(struct platform_device *pdev)
 	}
 
 	rproc->auto_boot = desc->auto_boot;
+	rproc->has_iommu = desc->has_iommu;
 	rproc_coredump_set_elf_info(rproc, ELFCLASS32, EM_NONE);
 
 	adsp = (struct qcom_adsp *)rproc->priv;
 	adsp->dev = &pdev->dev;
 	adsp->rproc = rproc;
 	adsp->info_name = desc->sysmon_name;
+	adsp->has_iommu = desc->has_iommu;
+
 	platform_set_drvdata(pdev, adsp);
 
 	if (desc->is_wpss)
-- 
2.7.4