On Sun, Jun 29, 2014 at 6:49 PM, Gaurav Minocha
<gaurav.minocha.os@xxxxxxxxx> wrote:
> This patch attaches selftest's device tree data (required by /drivers/of/selftest.c)
> dynamically into live device tree. First, it links selftest device tree data into the
> kernel image and then iterates over all the nodes and attaches them into the live tree.
>
> This patch will remove the manual process of addition and removal of selftest device
> tree data into the machine's dts file.
>
> Tested successfully with current selftest's testcases.
Perhaps a follow-up patch would be to remove the added nodes. I don't
think that would be dependent on the overlay support. One comment
below, otherwise:
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
>
> Signed-off-by: Gaurav Minocha <gaurav.minocha.os@xxxxxxxxx>
> ---
> arch/arm/boot/dts/versatile-pb.dts | 2 -
> drivers/of/Kconfig | 3 +-
> drivers/of/Makefile | 3 +-
> drivers/of/selftest.c | 102 ++++++++++++++++++++
> .../{testcases.dtsi => testcases.dts} | 1 +
> 5 files changed, 107 insertions(+), 4 deletions(-)
> rename drivers/of/testcase-data/{testcases.dtsi => testcases.dts} (92%)
[...]
> +/**
> + * selftest_data_init - Reads, copies data from
> + * linked tree and attaches it to the live tree
> + */
> +static int selftest_data_init(void)
This can be __init.
> +{
> + int size;
> + extern uint8_t __dtb_testcases_begin[];
> + extern uint8_t __dtb_testcases_end[];
> +
> + selftest_data = (void *)__dtb_testcases_begin;
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
