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Message-Id: <1665628087-20829-1-git-send-email-shengjiu.wang@nxp.com>
Date:   Thu, 13 Oct 2022 10:28:07 +0800
From:   Shengjiu Wang <shengjiu.wang@....com>
To:     andersson@...nel.org, mathieu.poirier@...aro.org,
        arnaud.pouliquen@...s.st.com
Cc:     linux-remoteproc@...r.kernel.org, linux-kernel@...r.kernel.org,
        shengjiu.wang@...il.com
Subject: [PATCH] remoteproc: core: Auto select rproc-virtio device id

With multiple remoteproc device, there will below error:

sysfs: cannot create duplicate filename '/bus/platform/devices/rproc-virtio.0'

The rvdev_data.index is duplicate, that cause issue, so
need to use the PLATFORM_DEVID_AUTO instead.

Fixes: 1d7b61c06dc3 ("remoteproc: virtio: Create platform device for the remoteproc_virtio")
Signed-off-by: Shengjiu Wang <shengjiu.wang@....com>
---
 drivers/remoteproc/remoteproc_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index 8768cb64f560..03a26498e879 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -509,7 +509,7 @@ static int rproc_handle_vdev(struct rproc *rproc, void *ptr,
 	rvdev_data.rsc_offset = offset;
 	rvdev_data.rsc = rsc;
 
-	pdev = platform_device_register_data(dev, "rproc-virtio", rvdev_data.index, &rvdev_data,
+	pdev = platform_device_register_data(dev, "rproc-virtio", PLATFORM_DEVID_AUTO, &rvdev_data,
 					     sizeof(rvdev_data));
 	if (IS_ERR(pdev)) {
 		dev_err(dev, "failed to create rproc-virtio device\n");
-- 
2.34.1

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