On 30.03.2023 03:50, Shawn Guo wrote: > On Wed, Mar 29, 2023 at 03:30:12PM +0200, Konrad Dybcio wrote: >>> Otherwise, I do not understand why devm_ioremap_resource() cannot be >>> used. >> drivers/rpmsg/qcom_glink_rpm.c calls devm_ioremap on the entire >> RPM MSG RAM. > > qcom_glink_rpm driver remaps the entire RPM MSG RAM, but it doesn't seem > to request any region. So MPM can still call devm_ioremap_resource() on > its slice, no? FWIW, I did get a 'can't request resource error'. Konrad > > Shawn
