Am Donnerstag, den 24.08.2017, 14:05 +0200 schrieb Massimo Burcheri:
>
> Bus 004 Device 005: ID 174c:5106 ASMedia Technology Inc. ASM1051 SATA 3Gb/s bridge
> Device Descriptor:
> bLength 18
> bDescriptorType 1
> bcdUSB 3.00
> bDeviceClass 0
> bDeviceSubClass 0
> bDeviceProtocol 0
> bMaxPacketSize0 9
> idVendor 0x174c ASMedia Technology Inc.
> idProduct 0x5106 ASM1051 SATA 3Gb/s bridge
Good
> bcdDevice 80.00
> iManufacturer 2 StoreJet Transcend
> iProduct 3 StoreJet Transcend
> iSerial 1 S36VJ9CH307FOO
> bNumConfigurations 1
> Configuration Descriptor:
> bLength 9
> bDescriptorType 2
> wTotalLength 44
> bNumInterfaces 1
> bConfigurationValue 1
> iConfiguration 0
> bmAttributes 0xc0
> Self Powered
> MaxPower 0mA
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 0
> bAlternateSetting 0
> bNumEndpoints 2
> bInterfaceClass 8 Mass Storage
> bInterfaceSubClass 6 SCSI
> bInterfaceProtocol 80 Bulk-Only
> iInterface 0
This device advertises itself as Bulk-only, not UAS.
We can try, but I am not confident of the outcome. Is this the full
descriptor?
Regards
Oliver
From d836d367bf8ee7138a61c603b27cd5edf81ffae2 Mon Sep 17 00:00:00 2001
From: Oliver Neukum <oneukum@xxxxxxxx>
Date: Mon, 28 Aug 2017 17:06:58 +0200
Subject: [PATCH] USB: uas: force UAS probing for ASMedia 1153
This forces the device into uas with a sledge hammer.
---
drivers/usb/storage/uas-detect.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/usb/storage/uas-detect.h b/drivers/usb/storage/uas-detect.h
index f58caa9e6a27..0287b03e2d48 100644
--- a/drivers/usb/storage/uas-detect.h
+++ b/drivers/usb/storage/uas-detect.h
@@ -4,6 +4,12 @@
static int uas_is_interface(struct usb_host_interface *intf)
{
+ struct usb_device *udev = interface_to_usbdev(intf);
+
+ if (le16_to_cpu(udev->descriptor.idVendor) == 0x174c &&
+ le16_to_cpu(udev->descriptor.idProduct) == 0x5106)
+ return 1;
+
return (intf->desc.bInterfaceClass == USB_CLASS_MASS_STORAGE &&
intf->desc.bInterfaceSubClass == USB_SC_SCSI &&
intf->desc.bInterfaceProtocol == USB_PR_UAS);
--
2.12.3
