[PULL 18/22] hw/arm/virt: Drop #size-cells and #address-cells from gpio-keys dtb node

Maintainers: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, Alistair Francis <alistair@alistair23.me>, Peter Maydell <peter.maydell@linaro.org>, Jan Kiszka <jan.kiszka@web.de>, Eduardo Habkost <eduardo@habkost.net>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, "Philippe Mathieu-Daudé" <f4bug@amsat.org>, Yanan Wang <wangyanan55@huawei.com>, Thomas Huth <huth@tuxfamily.org>, Pavel Pisa <pisa@cmp.felk.cvut.cz>, Vikram Garhwal <fnu.vikram@xilinx.com>, Francisco Iglesias <francisco.iglesias@xilinx.com>, Jason Wang <jasowang@redhat.com>, Igor Mitsyanko <i.mitsyanko@gmail.com>, Beniamino Galvani <b.galvani@gmail.com>, Antony Pavlov <antonynpavlov@gmail.com>, Fabien Chouteau <chouteau@adacore.com>, Frederic Konrad <konrad.frederic@yahoo.fr>, Subbaraya Sundeep <sundeep.lkml@gmail.com>, Yoshinori Sato <ysato@users.sourceforge.jp>, Magnus Damm <magnus.damm@gmail.com>, Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, Paolo Bonzini <pbonzini@redhat.com>
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[PULL 18/22] hw/arm/virt: Drop #size-cells and #address-cells from gpio-keys dtb node
Posted by Peter Maydell 2 years, 10 months ago
The virt board generates a gpio-keys node in the dtb, but it
incorrectly gives this node #size-cells and #address-cells
properties. If you dump the dtb with 'machine dumpdtb=file.dtb'
and run it through dtc, dtc will warn about this:

Warning (avoid_unnecessary_addr_size): /gpio-keys: unnecessary #address-cells/#size-cells without "ranges" or child "reg" property

Remove the bogus properties.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220513131316.4081539-3-peter.maydell@linaro.org
---
 hw/arm/virt.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 587e885a98c..097238faa7a 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -925,8 +925,6 @@ static void create_gpio_keys(char *fdt, DeviceState *pl061_dev,
 
     qemu_fdt_add_subnode(fdt, "/gpio-keys");
     qemu_fdt_setprop_string(fdt, "/gpio-keys", "compatible", "gpio-keys");
-    qemu_fdt_setprop_cell(fdt, "/gpio-keys", "#size-cells", 0);
-    qemu_fdt_setprop_cell(fdt, "/gpio-keys", "#address-cells", 1);
 
     qemu_fdt_add_subnode(fdt, "/gpio-keys/poweroff");
     qemu_fdt_setprop_string(fdt, "/gpio-keys/poweroff",
-- 
2.25.1