On Mon, Aug 20, 2018 at 11:25:45PM -0700, Andrey Smirnov wrote:
> Since imx_bbu_check_prereq() already uses file_detect_type() and we've
> extended it to understand i.MX boot image file type, we can simplify a
> bunch of repetitive code as follows:
>
> 1. Convert all checks from IVT_BARKER to filetype_imx_image_v2
> check
>
> 2. Move all of the checking to be a part of imx_bbu_check_prereq()
>
> Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx>
> ---
> arch/arm/mach-imx/imx-bbu-internal.c | 64 +++++++++++++++++-----------
> 1 file changed, 39 insertions(+), 25 deletions(-)
>
> diff --git a/arch/arm/mach-imx/imx-bbu-internal.c b/arch/arm/mach-imx/imx-bbu-internal.c
> index 67ae2961c..ea57b2772 100644
> --- a/arch/arm/mach-imx/imx-bbu-internal.c
> +++ b/arch/arm/mach-imx/imx-bbu-internal.c
> @@ -106,11 +106,39 @@ err_close:
> return ret;
> }
>
> -static int imx_bbu_check_prereq(const char *devicefile, struct bbu_data *data)
> +static int imx_bbu_check_prereq(struct imx_internal_bbu_handler *imx_handler,
> + const char *devicefile, struct bbu_data *data,
> + enum filetype expected_type)
> {
> int ret;
> -
> - if (file_detect_type(data->image, data->len) != filetype_arm_barebox) {
> + const void *blob;
> + size_t len;
> + enum filetype type;
> +
> + type = file_detect_type(data->image, data->len);
> +
> + switch (type) {
> + case filetype_arm_barebox:
> + /*
> + * Specifying expected_type as unknow will disable the
> + * inner image type check
> + */
> + if (expected_type == filetype_unknown)
> + break;
> +
> + blob = data->image + imx_handler->flash_header_offset;
> + len = data->len - imx_handler->flash_header_offset;
> + type = file_detect_type(blob, len);
> +
> + if (type != expected_type) {
> + pr_err("Expected image type: %s, "
> + "detected image type: %s\n",
> + file_type_to_string(expected_type),
> + file_type_to_string(type));
> + return -EINVAL;
> + }
> + break;
> + default:
> if (!bbu_force(data, "Not an ARM barebox image"))
> return -EINVAL;
> }
> @@ -137,7 +165,8 @@ static int imx_bbu_internal_v1_update(struct bbu_handler *handler, struct bbu_da
> container_of(handler, struct imx_internal_bbu_handler, handler);
> int ret;
>
> - ret = imx_bbu_check_prereq(data->devicefile, data);
> + ret = imx_bbu_check_prereq(imx_handler, data->devicefile, data,
> + filetype_unknown);
Why filetype_unknown here? in the v2 version we have
filetype_imx_image_v2. I would expect filetype_imx_image_v1 here.
Sascha
--
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