On 10/18/18 11:13, Rob Herring wrote: > On Mon, Oct 15, 2018 at 07:37:29PM -0700, frowand.list@xxxxxxxxx wrote: >> From: Frank Rowand <frank.rowand@xxxxxxxx> >> >> If overlay properties #address-cells or #size-cells are already in >> the live devicetree for any given node, then the values in the >> overlay must match the values in the live tree. >> >> If the properties are already in the live tree then there is no >> need to create a changeset entry to add them since they must >> have the same value. This reduces the memory used by the >> changeset and eliminates a possible memory leak. This is >> verified by 12 fewer warnings during the devicetree unittest, >> as the possible memory leak warnings about #address-cells and > > Still missing the rest... > > And what about my other comments too? Apologies, paper bag. Will fix all. -Frank > >> >> Signed-off-by: Frank Rowand <frank.rowand@xxxxxxxx> >> --- >> Changes since v3: >> - for errors of an overlay changing the value of #size-cells or >> #address-cells, return -EINVAL so that overlay apply will fail >> - for errors of an overlay changing the value of #size-cells or >> #address-cells, make the message more direct. >> Old message: >> OF: overlay: ERROR: overlay and/or live tree #size-cells invalid in node /soc/base_fpga_region >> New message: >> OF: overlay: ERROR: changing value of /soc/base_fpga_region/#size-cells not allowed >> >> drivers/of/overlay.c | 42 +++++++++++++++++++++++++++++++++++++++--- >> 1 file changed, 39 insertions(+), 3 deletions(-) >
