x27;t migrate to 2.6 since I don't have 2.6 kernel sources available
at my home PC and I don't have internet connection there :(
Regards
Mohanlal
- Original Message -
From: "Pete Zaitcev" <[EMAIL PROTECTED]>
To: "mohanlal jangir" <[EMAIL PROTECTED]>
I am writing a driver for USB card reader. Unlike Linux mass storage driver,
it doesn't use SCSI interface. Here is what I did:
I have registered a block device driver. It's request_fn sends READ and
WRITE request to my USB device using USB protocol.
When I try to do raw access to the device, it
Could someone tell me the difference between "dCBWDataTransferLength" field
of CBW and "Transfer Length" field of CBWCB (e.g. READ(10) )?
Another question is; Do we need to have DMA capable memory allocated for
reading data from a USB mass storage device?
Regards
Mohanlal
-
I am using USB8IN1 card reader and have been looking in usb mass storage
driver from some time. Can somebody tell me, name of the function which
performs actual data transfer to/from the device. Is it usb_stor_bulk_msg?
Also where the LUN is stored? For example, my device has 4 LUNs. How and
where
> I hate to say this, but it sounds like you're in _way_ over your head
> But, here are a few pointers:
:-( I am sorry. Being a newbie, my questions might be silly.
I have another question, how driver detects multiple memory slots over
device (for CF, SM etc)?
> The glue with the SCSI layer
I have a USB 8IN1 card reader and when I insert the device, I get following
new entry in /proc/bus/usb/devices
T: Bus=03 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=12 MxCh= 0
D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
P: Vendor=058f ProdID=9360 Rev= 1.00
S: Manufacturer=Generic
S: P
