Message ID | 20200421181504.415822-3-atish.patra@wdc.com |
---|---|
State | Superseded |
Headers | show |
Series | RISC-V DT related fixes for reserved memory & UEFI | expand |
On Wed, Apr 22, 2020 at 2:15 AM Atish Patra <atish.patra at wdc.com> wrote: > > In U-Boot, the reserved memory end address is considered as a inclusive > address. This notion is followed while adding a reserved memory node to > the DT. > > For example: > end_address = start_address + size - 1 > > Follow the same notion and fix the end address computation while checking > for existing nodes. > > Signed-off-by: Atish Patra <atish.patra at wdc.com> > Reviewed-by: Bin Meng <bmeng.cn at gmail.com> > --- > lib/fdtdec.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > Tested-by: Bin Meng <bmeng.cn at gmail.com>
diff --git a/lib/fdtdec.c b/lib/fdtdec.c index 9ecfa2a2d743..460f0d250b4d 100644 --- a/lib/fdtdec.c +++ b/lib/fdtdec.c @@ -1311,7 +1311,8 @@ int fdtdec_add_reserved_memory(void *blob, const char *basename, continue; } - if (addr == carveout->start && (addr + size) == carveout->end) { + if (addr == carveout->start && (addr + size - 1) == + carveout->end) { if (phandlep) *phandlep = fdt_get_phandle(blob, node); return 0;