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Altera_Forum
Honored Contributor
20 years agoIRQ mapping in SOPC builder
I fixed up the device address (na_usb - to the address assigned to ISP1362 in SOPC builder) and irq (na_usb_irq - IRQ 4 when viewed in SOPC builder) and corrected the chip id so linux recognizes the ...
Altera_Forum
Honored Contributor
20 years agothanks, i've traced down the problem using the trace and printks to an msleep call in drivers/usb/core/hub.c in the 2.6.x kernel
Just tried compiling 2.6.16 kernel but it seems some of the data structures aren't complete or don't match up. the isp116x_platform_data data structure seems to be missing some things that usb.c assumes are there and is trying to initialize.