Hi Bin, On Wed, Sep 20, 2017 at 8:35 PM, Bin Meng <bmeng...@gmail.com> wrote: > Hi Suneel, > > On Thu, Sep 21, 2017 at 10:17 AM, Suneel Garapati > <suneelgli...@gmail.com> wrote: >> 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 <suneelgli...@gmail.com> >> --- >> >> Changes v4: >> - do not set preamble if child is block device for mass storage > > Thanks for working on this. > >> 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 | 21 ++++++++++++++++++--- >> 1 file changed, 18 insertions(+), 3 deletions(-) >> >> diff --git a/cmd/usb.c b/cmd/usb.c >> index d95bcf5..d64561e 100644 >> --- a/cmd/usb.c >> +++ b/cmd/usb.c >> @@ -349,6 +349,16 @@ static void usb_show_tree_graph(struct usb_device *dev, >> char *pre) >> printf(" %s", pre); >> #ifdef CONFIG_DM_USB >> has_child = device_has_active_children(dev->dev); >> + if (device_get_uclass_id(dev->dev) == UCLASS_MASS_STORAGE) { >> + struct udevice *child; >> + >> + for (device_find_first_child(dev->dev, &child); >> + child; >> + device_find_next_child(&child)) { >> + if (device_get_uclass_id(child) == UCLASS_BLK) >> + has_child = 0; >> + } >> + } >> #else >> /* check if the device has connected children */ >> int i; >> @@ -414,8 +424,12 @@ 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 +619,8 @@ 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)) { > > I hate this, but sorry I just managed to test this patch on Sandbox. > This should also check UCLASS_USB_EMUL otherwise sandbox 'usb info' > still crashes. > > diff --git a/cmd/usb.c b/cmd/usb.c > index d64561e..907debe 100644 > --- a/cmd/usb.c > +++ b/cmd/usb.c > @@ -620,6 +620,7 @@ static void usb_show_info(struct usb_device *udev) > child; > device_find_next_child(&child)) { > if (device_active(child) && > + (device_get_uclass_id(child) != UCLASS_USB_EMUL) && > (device_get_uclass_id(child) != UCLASS_BLK)) { > udev = dev_get_parent_priv(child); > usb_show_info(udev); > >> udev = dev_get_parent_priv(child); >> usb_show_info(udev); >> } >> -- > > With the above changes, I tested on both Intel MinnowMax and Sandbox, > it works fine. Thanks for quick testing.
> > You can include my tags: > > Reviewed-by: Bin Meng <bmeng...@gmail.com> > Tested-by: Bin Meng <bmeng...@gmail.com> > > to the v5. Really sorry about that! Will send v5. Regards, Suneel > > Regards, > Bin _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot