From 5b718407ed937fdcd1beeab9f62e42158dee9fa6 Mon Sep 17 00:00:00 2001 From: John Tobias Date: Thu, 7 Apr 2016 16:49:03 -0700 Subject: [PATCH] USB: g_dnl: Change device class The USB Mass Storage (ums) works in Windows, Linux and OS X (EL Capitan). But, not in OS X (Yosemite). By applying the said patch, it extends the ums support. Signed-off-by: John Tobias Tested-by: Lukasz Majewski Test HW: Odroid XU3 (./test/py UMS + DFU tests) Tested-by: John Tobias Linux: - Run ums to expose all my eMMC partition - shows all correctly - Run ums to expose only 1 partition of my eMMC - show correctly Windows: - Run ums to expose all my eMMC partition - it detects but it prompts, if I want to format it (due to a non windows partition) - Run ums to expose only the FAT32 partition - it show the partition correctly. --- drivers/usb/gadget/g_dnl.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/usb/gadget/g_dnl.c b/drivers/usb/gadget/g_dnl.c index 2fa6da4091..bd3aad927b 100644 --- a/drivers/usb/gadget/g_dnl.c +++ b/drivers/usb/gadget/g_dnl.c @@ -58,8 +58,8 @@ static struct usb_device_descriptor device_desc = { .bDescriptorType = USB_DT_DEVICE, .bcdUSB = __constant_cpu_to_le16(0x0200), - .bDeviceClass = USB_CLASS_COMM, - .bDeviceSubClass = 0x02, /*0x02:CDC-modem , 0x00:CDC-serial*/ + .bDeviceClass = USB_CLASS_PER_INTERFACE, + .bDeviceSubClass = 0, /*0x02:CDC-modem , 0x00:CDC-serial*/ .idVendor = __constant_cpu_to_le16(CONFIG_G_DNL_VENDOR_NUM), .idProduct = __constant_cpu_to_le16(CONFIG_G_DNL_PRODUCT_NUM), -- 2.25.1