hi all,
I am doing my academic project on embedded
systems. I am having a board having PXA255 processor
and ISP1582 philips usb chip and i am porting
linux2.6.9 into the board. I have written the class
driver for usb mass storage ie hardisk(ATA).After
inserting the driver modules when i connect my board
which is having usb chip and harddisk to the windows
system through usb cable i am able to detect
the usb but the harddisk is not detecting it is giving
that unknown device.
when i am trying to insert the my driver modules
the warning message came
############################################################
irq96: bogus retval mask 2d
PC is at pdc_connect+0x160/0x374 [usb]
LR is at 0xf2e00000
pc : [<bf006890>] lr : [<f2e00000>] Not tainted
sp : c1813f30 ip : 60000093 fp : 00000011
r10: 00000014 r9 : 00000010 r8 : 0000000d
r7 : 0000000c r6 : 00000000 r5 : 00000001 r4 :
bf009a90
r3 : bf001aac r2 : c280c002 r1 : c280c002 r0 :
bf0081b8
Flags: nZCv IRQs on FIQs on Mode SVC_32 Segment
user
Control: 397F Table: A02F0000 DAC: 00000015
handlers:
[<bf000000>] (phhal_Isp1582_PCI_DC_Isr+0x0/0x1e4
[hal_x86])
iam in interrupt service routine
#################################################################
I am attaching my code with this mail can you please
help me where iam going wrong.The code was actually
written for the usb on the pci bus but in my board i
am not having the pci bus i have changed this
according the requirement. waiting for the reply
regards
deepak
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