On Thu, Jul 27, 2023 at 03:39:27PM +0200, Lorenzo Pieralisi wrote: > On Mon, Jul 17, 2023 at 07:33:45PM +0800, Guanghui Feng wrote: > > According to the ARM IORT specifications DEN 0049 issue E, > > the "Number of IDs" field in the ID mapping format reports > > the number of IDs in the mapping range minus one. > > > > In iort_node_get_rmr_info(), we erroneously skip ID mappings > > whose "Number of IDs" equal to 0, resulting in valid mapping > > nodes with a single ID to map being skipped, which is wrong. > > > > Fix iort_node_get_rmr_info() by removing the bogus id_count > > check. > > > > Fixes: 491cf4a6735a ("ACPI/IORT: Add support to retrieve IORT RMR reserved regions") > > Signed-off-by: Guanghui Feng <guanghuifeng@xxxxxxxxxxxxxxxxx> > > --- > > drivers/acpi/arm64/iort.c | 3 --- > > 1 file changed, 3 deletions(-) > > Acked-by: Lorenzo Pieralisi <lpieralisi@xxxxxxxxxx> > > Catalin/Will, > > can you pick this up please ? Would you like it merged in 6.5 or 6.6 is fine? Thanks. -- Catalin