On 01/21/2016 09:41 PM, Thierry Reding wrote: > On Thu, Dec 10, 2015 at 06:11:38PM +0530, Archit Taneja wrote: >> We don't check whether a previously registered mipi_dsi_device under the >> same host shares the same virtual channel. >> >> Before registering, check if any of the registered devices doesn't >> already have the same virtual channel. >> >> This wasn't crucial when all the devices under a host were populated via >> DT. Now that we also support creating devices manually, we could end up >> in a situation where a driver tries to create a device with a virtual >> channel already taken by a device populated in DT. >> >> Reviewed-by: Andrzej Hajda <a.hajda at samsung.com> >> Signed-off-by: Archit Taneja <architt at codeaurora.org> >> --- >> drivers/gpu/drm/drm_mipi_dsi.c | 26 ++++++++++++++++++++++++-- >> 1 file changed, 24 insertions(+), 2 deletions(-) > > I don't think this is necessary. The device name will be composed of the > host's name, a '.' and the virtual channel ID, and the device core will > refuse to create two devices with the same name.
That's a good point. I'll drop this patch. Archit > > Thierry > -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by The Linux Foundation