From: Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx> Date: Wed, 03 Jan 2018 20:09:49 +0300 > When switching the driver to the managed device API, I managed to break > the case of a dual Ether devices sharing a single TSU: the 2nd Ether port > wouldn't probe. Iwamatsu-san has tried to fix this but his patch was buggy > and he then dropped the ball... > > The solution is to limit calling devm_request_mem_region() to the first > of the two ports sharing the same TSU, so devm_ioremap_resource() can't > be used anymore for the TSU resource... > > Fixes: d5e07e69218f ("sh_eth: use managed device API") > Reported-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@xxxxxxxxxxx> > Signed-off-by: Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx> Applied and queued up for -stable, thanks.