public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Jeya R <jeyr@codeaurora.org>
To: linux-arm-msm@vger.kernel.org, srinivas.kandagatla@linaro.org
Cc: Jeya R <jeyr@codeaurora.org>,
	gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org,
	fastrpc.upstream@qti.qualcomm.com
Subject: [PATCH 3/5] misc: fastrpc: Set channel as secure
Date: Thu, 25 Nov 2021 19:45:42 +0530	[thread overview]
Message-ID: <1637849744-24844-4-git-send-email-jeyr@codeaurora.org> (raw)
In-Reply-To: <1637849744-24844-1-git-send-email-jeyr@codeaurora.org>

Set all DSP channel as secure for which non-secure DT property is not added.

Signed-off-by: Jeya R <jeyr@codeaurora.org>
---
 drivers/misc/fastrpc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c
index 0775554e..a4e2e86 100644
--- a/drivers/misc/fastrpc.c
+++ b/drivers/misc/fastrpc.c
@@ -216,6 +216,7 @@ struct fastrpc_channel_ctx {
 	struct miscdevice miscdev;
 	struct miscdevice securedev;
 	struct kref refcount;
+	bool secure;
 };
 
 struct fastrpc_user {
@@ -1650,6 +1651,7 @@ static int fastrpc_rpmsg_probe(struct rpmsg_device *rpdev)
 	if (!data)
 		return -ENOMEM;
 
+	data->secure = !(of_property_read_bool(rdev->of_node, "qcom,non-secure-domain"));
 	data->miscdev.minor = MISC_DYNAMIC_MINOR;
 	data->miscdev.name = devm_kasprintf(rdev, GFP_KERNEL, "fastrpc-%s",
 					    domains[domain_id]);
-- 
2.7.4


  parent reply	other threads:[~2021-11-25 14:20 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-25 14:15 [PATCH 0/5] Add secure domains support Jeya R
2021-11-25 14:15 ` [PATCH 1/5] dt-bindings: misc: convert fastrpc bindings to yaml and add property Jeya R
2021-11-25 14:41   ` Srinivas Kandagatla
2021-11-26  4:54     ` jeyr
2021-11-25 14:15 ` [PATCH 2/5] misc: fastrpc: Add secure device node support Jeya R
2021-11-25 14:55   ` Srinivas Kandagatla
2021-11-25 15:45   ` Greg KH
2021-11-25 14:15 ` Jeya R [this message]
2021-11-25 14:15 ` [PATCH 4/5] misc: fastrpc: reject non-secure node for secure domain Jeya R
2021-11-25 14:15 ` [PATCH 5/5] arm64: dts: qcom: add non-secure domain property to fastrpc nodes Jeya R

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1637849744-24844-4-git-send-email-jeyr@codeaurora.org \
    --to=jeyr@codeaurora.org \
    --cc=fastrpc.upstream@qti.qualcomm.com \
    --cc=gregkh@linuxfoundation.org \
    --cc=linux-arm-msm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=srinivas.kandagatla@linaro.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox