On Thu, Oct 24, 2019 at 08:49:00PM +0000, Heinrich Schuchardt wrote:
> Copy the block size from the block IO protocol to the U-Boot block device
> descriptor. This information is used by the ext4 file system driver.
> 
> Signed-off-by: Heinrich Schuchardt <xypron.g...@gmx.de>
> ---
>  lib/efi_driver/efi_block_device.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/lib/efi_driver/efi_block_device.c 
> b/lib/efi_driver/efi_block_device.c
> index cf02341931..9de526a95b 100644
> --- a/lib/efi_driver/efi_block_device.c
> +++ b/lib/efi_driver/efi_block_device.c
> @@ -137,6 +137,7 @@ static int efi_bl_bind(efi_handle_t handle, void 
> *interface)
>       struct efi_block_io *io = interface;
>       int disks;
>       struct efi_blk_platdata *platdata;
> +     struct blk_desc *desc;
> 
>       EFI_PRINT("%s: handle %p, interface %p\n", __func__, handle, io);
> 
> @@ -174,6 +175,11 @@ static int efi_bl_bind(efi_handle_t handle, void 
> *interface)
>               return ret;
>       EFI_PRINT("%s: block device '%s' created\n", __func__, bdev->name);
> 
> +     /* Set block size */
> +     desc = dev_get_uclass_platdata(bdev);
> +     desc->blksz = io->media->block_size;
> +     desc->log2blksz = LOG2(desc->blksz);

I don't think that this is the best place to put them.
Better to initialise log2blksz in blk_create_device().

-Takahiro Akashi


>       /* Create handles for the partions of the block device */
>       disks = efi_bl_bind_partitions(handle, bdev);
>       EFI_PRINT("Found %d partitions\n", disks);
> --
> 2.20.1
> 
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