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From: Suneel Garapati <suneelglinux@gmail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v3] cmd: usb: add blk devices to ignore list in tree graph
Date: Mon, 18 Sep 2017 22:55:33 -0700	[thread overview]
Message-ID: <1505800533-1623-1-git-send-email-suneelglinux@gmail.com> (raw)

add blk child devices to ignore list while displaying
usb tree graph, otherwise usb tree and info commands
may cause crash treating blk as usb device.

Signed-off-by: Suneel Garapati <suneelglinux@gmail.com>
---

Changes v3:
 - remove 'check on parent uclass' in description
Changes v2:
 - remove check on parent uclass
Changes v1:
 - add separate check on blk uclass
 - modify description
 - add separate check on parent uclass as usb

 cmd/usb.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/cmd/usb.c b/cmd/usb.c
index d95bcf5..3889994 100644
--- a/cmd/usb.c
+++ b/cmd/usb.c
@@ -414,8 +414,12 @@ static void usb_show_tree_graph(struct usb_device *dev, char *pre)
 
 		udev = dev_get_parent_priv(child);
 
-		/* Ignore emulators, we only want real devices */
-		if (device_get_uclass_id(child) != UCLASS_USB_EMUL) {
+		/*
+		 * Ignore emulators and block child devices, we only want
+		 * real devices
+		 */
+		if ((device_get_uclass_id(child) != UCLASS_USB_EMUL) &&
+		    (device_get_uclass_id(child) != UCLASS_BLK)) {
 			usb_show_tree_graph(udev, pre);
 			pre[index] = 0;
 		}
@@ -605,7 +609,8 @@ static void usb_show_info(struct usb_device *udev)
 	for (device_find_first_child(udev->dev, &child);
 	     child;
 	     device_find_next_child(&child)) {
-		if (device_active(child)) {
+		if (device_active(child) &&
+		    (device_get_uclass_id(child) != UCLASS_BLK)) {
 			udev = dev_get_parent_priv(child);
 			usb_show_info(udev);
 		}
-- 
2.7.4

             reply	other threads:[~2017-09-19  5:55 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-19  5:55 Suneel Garapati [this message]
2017-09-19  7:32 ` [U-Boot] [PATCH v3] cmd: usb: add blk devices to ignore list in tree graph Bin Meng
2017-09-19 18:31   ` Suneel Garapati
2017-09-20  3:32     ` Bin Meng
2017-09-20  6:32       ` Suneel Garapati
2017-09-20  7:42         ` Bin Meng
2017-09-21  2:18           ` Suneel Garapati

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