Messages in this thread | | | Date | Thu, 13 Oct 2022 18:15:27 +0530 | Subject | Re: [PATCH] remoteproc: core: Auto select rproc-virtio device id | From | Mukesh Ojha <> |
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Hi,
On 10/13/2022 1:57 PM, Arnaud POULIQUEN wrote: > Hi Shengju, > > On 10/13/22 04:28, Shengjiu Wang wrote: >> With multiple remoteproc device, there will below error: >> >> sysfs: cannot create duplicate filename '/bus/platform/devices/rproc-virtio.0' > > Good catch! > Previously the device created was > /sys/class/remoteproc/remoteproc0/remoteproc0#vdev0buffer/ > > So with your fix it become something like > /bus/platform/devices/rproc-virtio.2.auto > > > This works fine on my platform, also when creating two virtio devices for one > remoteproc device. > > Just a remark, could be nice to indicate in the commit message the result of > your patch, means the name of the files created.
Agree with the suggestion of putting the output in commit message.
LGTM. Reviewed-by: Mukesh Ojha <quic_mojha@quicinc.com>
-Mukesh
> > With that: > Reviewed-by: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com> > > Thanks, > Arnaud > > >> >> 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@nxp.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");
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