diff mbox series

[02/13] spl: usb: Only init usb once

Message ID 20200702080233.27582-3-faiz_abbas@ti.com
State Changes Requested
Delegated to: Lokesh Vutla
Headers show
Series Add support for USB host and peripheral bootmodes on am65x-idk | expand

Commit Message

Faiz Abbas July 2, 2020, 8:02 a.m. UTC 
usb_init() may be called multiple times for fetching multiple images
from SPL. Skip reinitializing USB if its already been done

Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
---
 common/spl/spl_usb.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/common/spl/spl_usb.c b/common/spl/spl_usb.c
index 92ae96f66e..3648de3492 100644
--- a/common/spl/spl_usb.c
+++ b/common/spl/spl_usb.c
@@ -22,11 +22,16 @@  int spl_usb_load(struct spl_image_info *spl_image,
 		 struct spl_boot_device *bootdev, int partition,
 		 const char *filename)
 {
-	int err;
+	int err = 0;
 	struct blk_desc *stor_dev;
+	static bool usb_init_pending = true;
+
+	if (usb_init_pending) {
+		usb_stop();
+		err = usb_init();
+		usb_init_pending = false;
+	}
 
-	usb_stop();
-	err = usb_init();
 	if (err) {
 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
 		printf("%s: usb init failed: err - %d\n", __func__, err);