From mboxrd@z Thu Jan  1 00:00:00 1970
From: Fabio Estevam <festevam@gmail.com>
Date: Wed, 22 May 2019 11:23:11 -0300
Subject: [U-Boot] Cannot boot mx6qsabred with 2019.07-rc2
In-Reply-To: <20190522023410.GS22232@bill-the-cat>
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On Tue, May 21, 2019 at 11:34 PM Tom Rini <trini@konsulko.com> wrote:

> As came up in another thread, CONFIG_MMC_TINY may be more widely useable
> and should help with space.

How it can be used exactly?

I tried it like this:

--- a/configs/mx6sabresd_defconfig
+++ b/configs/mx6sabresd_defconfig
@@ -6,7 +6,6 @@ CONFIG_SPL_LIBCOMMON_SUPPORT=y
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
 CONFIG_SYS_MALLOC_F_LEN=0x4000
 CONFIG_TARGET_MX6SABRESD=y
-CONFIG_SPL_MMC_SUPPORT=y
 CONFIG_SPL_SERIAL_SUPPORT=y
 CONFIG_NR_DRAM_BANKS=1
 CONFIG_SPL=y
@@ -100,3 +99,4 @@ CONFIG_USB_HOST_ETHER=y
 CONFIG_USB_ETHER_ASIX=y
 CONFIG_DM_VIDEO=y
 CONFIG_VIDEO_IPUV3=y
+CONFIG_SPL_MMC_TINY=y

, but the board does not boot:

U-Boot SPL 2019.07-rc2-00164-ge1a2ed7180-dirty (May 22 2019 - 11:19:41 -0300)
SPL: Unsupported Boot Device!
SPL: failed to boot from all boot devices
### ERROR ### Please RESET the board ###