u-boot: Fix booting delay

Signed-off-by: Kirill Kapranov <kirill.kapranov@compulab.co.il>

recipes-bsp/u-boot/compulab/imx8mm.inc

@@ -95,4 +95,5 @@ SRC_URI_append = " \
 	file://0094-Fix-mmc_autodetect.patch \
 	file://0095-config-Enable-video.patch \
 	file://0096-readout-some-cleannig.patch \
+	file://0097-mmc-Fix-mmc_switch-workflow-issue.patch \
 "

recipes-bsp/u-boot/compulab/imx8mm/0097-mmc-Fix-mmc_switch-workflow-issue.patch

@@ -0,0 +1,36 @@
+From e6b1432e42c06a2a1200731f91e0be99b70c01cc Mon Sep 17 00:00:00 2001
+From: Kirill Kapranov <kirill.kapranov@compulab.co.il>
+Date: Sun, 3 Oct 2021 01:41:43 +0300
+Subject: [PATCH 97/97] mmc: Fix mmc_switch workflow issue
+
+Revert the patch 9a461acedebe664cf1e557c3b9ec983e6b04e805, that introduces
+premature falling back on a long timeout instead of continuation of the
+initialization.
+Clear the ambiguity of the comment that led this.
+
+Signed-off-by: Kirill Kapranov <kirill.kapranov@compulab.co.il>
+---
+ drivers/mmc/mmc.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
+index 785ebc0cd3..6d9766a697 100644
+--- a/drivers/mmc/mmc.c
++++ b/drivers/mmc/mmc.c
+@@ -819,11 +819,11 @@ static int __mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value,
+ 		return ret;
+ 
+ 	/*
+-	 * In cases when not allowed to poll by using CMD13 or because we aren't
++	 * In cases we aren't allowed to poll by using CMD13, nor are we
+ 	 * capable of polling by using mmc_wait_dat0, then rely on waiting the
+ 	 * stated timeout to be sufficient.
+ 	 */
+-	if (ret == -ENOSYS || !send_status) {
++	if (ret == -ENOSYS && !send_status) {
+ 		mdelay(timeout_ms);
+ 		return 0;
+ 	}
+-- 
+2.11.0
+