lkml.org 
[lkml]   [2018]   [Mar]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] USB: announce bcdDevice as well as idVendor, idProduct.
Date
Print bcdDevice which is used by vendors to identify different versions
of the same product (or different versions of firmware).

Adding this to the logs will be useful for support purposes.

Signed-off-by: Benson Leung <bleung@chromium.org>
---
drivers/usb/core/hub.c | 16 +++++++++-------
1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index aaeef03c0d83..739d599814b6 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -2192,14 +2192,16 @@ static void show_string(struct usb_device *udev, char *id, char *string)

static void announce_device(struct usb_device *udev)
{
- dev_info(&udev->dev, "New USB device found, idVendor=%04x, idProduct=%04x\n",
- le16_to_cpu(udev->descriptor.idVendor),
- le16_to_cpu(udev->descriptor.idProduct));
dev_info(&udev->dev,
- "New USB device strings: Mfr=%d, Product=%d, SerialNumber=%d\n",
- udev->descriptor.iManufacturer,
- udev->descriptor.iProduct,
- udev->descriptor.iSerialNumber);
+ "New USB device found, idVendor=%04x, idProduct=%04x, bcdDevice=%04x\n",
+ le16_to_cpu(udev->descriptor.idVendor),
+ le16_to_cpu(udev->descriptor.idProduct),
+ le16_to_cpu(udev->descriptor.bcdDevice));
+ dev_info(&udev->dev,
+ "New USB device strings: Mfr=%d, Product=%d, SerialNumber=%d\n",
+ udev->descriptor.iManufacturer,
+ udev->descriptor.iProduct,
+ udev->descriptor.iSerialNumber);
show_string(udev, "Product", udev->product);
show_string(udev, "Manufacturer", udev->manufacturer);
show_string(udev, "SerialNumber", udev->serial);
--
2.17.0.rc0.231.g781580f067-goog
\
 
 \ /
  Last update: 2018-03-24 01:34    [W:0.075 / U:12.444 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site