On Tue, Jul 9, 2019 at 12:42 PM Marcel Ziswiler marcel@ziswiler.com wrote:
From: Stefan Agner stefan.agner@toradex.com
If the module is in serial downloader mode, we do no longer read the environment from eMMC. Therefor, the eMMC is unitialized when trying to read the config block. Use mmc_init to initialize the selected MMC device before using it.
Note: In case the MMC has already been initialized, the mmc_init detects that and returns immediately.
Signed-off-by: Stefan Agner stefan.agner@toradex.com Acked-by: Max Krummenacher max.krummenacher@toradex.com
board/toradex/common/tdx-cfg-block.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/board/toradex/common/tdx-cfg-block.c b/board/toradex/common/tdx-cfg-block.c index f69c4433b2..67e0557f67 100644 --- a/board/toradex/common/tdx-cfg-block.c +++ b/board/toradex/common/tdx-cfg-block.c @@ -129,6 +129,10 @@ static int tdx_cfg_block_mmc_storage(u8 *config_block, int write) ret = -ENODEV; goto out; }
if (mmc_init(mmc)) {puts("MMC init failed\n");return -EINVAL;} if (part != mmc_get_blk_desc(mmc)->hwpart) { if (blk_select_hwpart_devnum(IF_TYPE_MMC, dev, part)) { puts("MMC partition switch failed\n");-- 2.21.0
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Reviewed-by: Igor Opaniuk igor.opaniuk@toradex.com