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device_tree: qemu_fdt_getprop_cell converted to use the error API

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This patch aligns the prototype with qemu_fdt_getprop. The caller
can choose whether the function self-asserts on error (passing
&error_fatal as Error ** argument, corresponding to the legacy behavior),
or behaves differently such as simply output a message.

In this later case the caller can use the new lenp parameter to interpret
the error if any.

Signed-off-by: Eric Auger <eric.auger@linaro.org>
Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Eric Auger 2016-02-19 09:42:30 -07:00 • committed by Alex Williamson
parent 78e24f235e
commit 58e71097ce
4 changed files with 35 additions and 12 deletions
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6
hw/arm/vexpress.c
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@ -478,8 +478,10 @@ static void vexpress_modify_dtb(const struct arm_boot_info *info, void *fdt)
uint32_t acells, scells, intc;
const VEDBoardInfo *daughterboard = (const VEDBoardInfo *)info;
acells = qemu_fdt_getprop_cell(fdt, "/", "#address-cells");
scells = qemu_fdt_getprop_cell(fdt, "/", "#size-cells");
acells = qemu_fdt_getprop_cell(fdt, "/", "#address-cells",
NULL, &error_fatal);
scells = qemu_fdt_getprop_cell(fdt, "/", "#size-cells",
NULL, &error_fatal);
intc = find_int_controller(fdt);
if (!intc) {
/* Not fatal, we just won't provide virtio. This will