On Thu, Sep 15, 2022 at 3:17 AM Sughosh Ganu <sughosh.g...@linaro.org> wrote:
....
> diff --git a/include/fwu.h b/include/fwu.h
> index 484289ed4f..d5f77ce83c 100644
> --- a/include/fwu.h
> +++ b/include/fwu.h
> @@ -256,4 +256,17 @@ int fwu_plat_get_update_index(uint *update_idx);
> *
> */
> void fwu_plat_get_bootidx(uint *boot_idx);
>
Or simply return the boot_idx instead of modifying the pointed variable
.....
> diff --git a/lib/efi_loader/efi_setup.c b/lib/efi_loader/efi_setup.c
> index c633fcd91e..557e97de4a 100644
> --- a/lib/efi_loader/efi_setup.c
> +++ b/lib/efi_loader/efi_setup.c
> @@ -199,6 +199,7 @@ static efi_status_t __efi_init_early(void)
> goto out;
>
> ret = efi_disk_init();
> +
> out:
> return ret;
> }
We can do without this change in this patchset :)
.....
> +static int fwu_trial_state_check(struct udevice *dev)
> +{
> + int ret;
> + efi_status_t status;
> + efi_uintn_t var_size;
> + u16 trial_state_ctr;
> + u32 var_attributes;
> + struct fwu_mdata mdata = { 0 };
> +
> + ret = fwu_get_mdata(dev, &mdata);
> + if (ret)
> + return ret;
> +
> + if ((trial_state = in_trial_state(&mdata))) {
>
This may raise warnings on code checkers. So maybe move the assignment
out of the check.
.....
> +static int fwu_boottime_checks(void *ctx, struct event *event)
> +{
> + int ret;
> + struct udevice *dev;
> + u32 boot_idx, active_idx;
> +
> + ret = fwu_get_dev_mdata(&dev, NULL);
> + if (ret)
> + return ret;
> +
> + ret = fwu_mdata_check(dev);
> + if (ret) {
> + return 0;
> + }
> +
> + /*
> + * Get the Boot Index, i.e. the bank from
> + * which the platform has booted. This value
> + * gets passed from the ealier stage bootloader
> + * which booted u-boot, e.g. tf-a. If the
> + * boot index is not the same as the
> + * active_index read from the FWU metadata,
> + * update the active_index.
> + */
> + fwu_plat_get_bootidx(&boot_idx);
> + if (boot_idx >= CONFIG_FWU_NUM_BANKS) {
> + log_err("Received incorrect value of boot_index\n");
> + return 0;
> + }
> +
> + ret = fwu_get_active_index(&active_idx);
> + if (ret) {
> + log_err("Unable to read active_index\n");
> + return 0;
> + }
> +
> + if (boot_idx != active_idx) {
> + log_info("Boot idx %u is not matching active idx %u, changing
> active_idx\n",
> + boot_idx, active_idx);
> + ret = fwu_update_active_index(boot_idx);
> + if (!ret)
> + boottime_check = 1;
>
We may not want to do anything FWU (accept, reject, modify mdata)
until we reboot, if we are recovering from last bad upgrade. So maybe
not set boottime_check
cheers
