I am tring to backport C67x00 driver to kernel 2.6.20 right now. But I can't make it work. I saw there was some discussion before, and it seem's that those discussions were the right thing messing me. I found the discussion in link: http://marc.info/?t=122849175200004&r=1&w=2 But there is no answer how to getover this, just that the problem was in different status handling for older kernel. I am quite newest to Linux. I insert a kernel module that register the platform device for USB, I think the interrupt works well. Register code is like that,: static struct resource c67x00_resources[] = { [0] = { .start = 0x80800000, .end = 0x8080ffff, .flags = IORESOURCE_MEM, }, [1] = { .start = 0, .end = 0, .flags = IORESOURCE_IRQ, }, }; static struct c67x00_platform_data c67x00_data = { .sie_config = C67X00_SIE1_HOST | C67X00_SIE2_HOST, .hpi_regstep = 0x02, }; static struct platform_device c67x00_device = { .name = "c67x00", .id = -1, .num_resources = ARRAY_SIZE(c67x00_resources), .resource = c67x00_resources, .dev.platform_data = &c67x00_data, }; static int __init c67x00_device_reg_init(void) { /* printk("<1>Hello module world.\n"); printk("<1>Module parameters were (0x%08x) and \"%s\"\n", myint, mystr); */ printk("======== Call : c67x00_device_reg_init() ========\n"); /* A non 0 return means init_module failed; module can't be loaded. */ return platform_device_register(&c67x00_device); } static void __exit c67x00_device_reg_exit(void) { printk(KERN_ALERT "======== Goodbye c67x00_device_reg_exit(). ========\n"); platform_device_unregister(&c67x00_device); } module_init(c67x00_device_reg_init); module_exit(c67x00_device_reg_exit); And the log list below: # insmod /lib/modules/kernel/drivers/misc/c67x00_device_reg.ko ======== Call : c67x00_device_reg_init() ======== ============ USB driver : Call c67x00_drv_probe() ============ c67x00 c67x00: Cypress C67X00 Host Controller drivers/usb/core/inode.c: creating file 'devices' drivers/usb/core/inode.c: creating file '001' c67x00 c67x00: new USB bus registered, assigned bus number 1 usb usb1: default language 0x0409 usb usb1: new device strings: Mfr=3, Product=2, SerialNumber=1 usb usb1: Product: Cypress C67X00 Host Controller usb usb1: Manufacturer: Linux 2.6.20-uc0 c67x00-hcd usb usb1: SerialNumber: c67x00_sie usb usb1: usb_probe_device usb usb1: configuration #1 chosen from 1 choice usb usb1: adding 1-0:1.0 (config #1, interface 0) hub 1-0:1.0: usb_probe_interface hub 1-0:1.0: usb_probe_interface - got id hub 1-0:1.0: USB hub found hub 1-0:1.0: 2 ports detected hub 1-0:1.0: standalone hub hub 1-0:1.0: ganged power switching hub 1-0:1.0: global over-current protection hub 1-0:1.0: power on to power good time: 100ms hub 1-0:1.0: local power source is good hub 1-0:1.0: no over-current condition exists hub 1-0:1.0: enabling power on all ports drivers/usb/core/inode.c: creating file '001' hub 1-0:1.0: state 7 ports 2 chg 0000 evt 0000 c67x00 c67x00: Cypress C67X00 Host Controller drivers/usb/core/inode.c: creating file '002' c67x00 c67x00: new USB bus registered, assigned bus number 2 usb usb2: default language 0x0409 usb usb2: new device strings: Mfr=3, Product=2, SerialNumber=1 usb usb2: Product: Cypress C67X00 Host Controller usb usb2: Manufacturer: Linux 2.6.20-uc0 c67x00-hcd usb usb2: SerialNumber: c67x00_sie usb usb2: usb_probe_device usb usb2: configuration #1 chosen from 1 choice usb usb2: adding 2-0:1.0 (config #1, interface 0) hub 2-0:1.0: usb_probe_interface hub 2-0:1.0: usb_probe_interface - got id hub 2-0:1.0: USB hub found hub 2-0:1.0: 2 ports detected hub 2-0:1.0: standalone hub hub 2-0:1.0: ganged power switching hub 2-0:1.0: global over-current protection hub 2-0:1.0: power on to power good time: 100ms hub 2-0:1.0: local power source is good hub 2-0:1.0: no over-current condition exists hub 2-0:1.0: enabling power on all ports drivers/usb/core/inode.c: creating file '001' hub 2-0:1.0: state 7 ports 2 chg 0000 evt 0000 # hub 1-0:1.0: state 7 ports 2 chg 0000 evt 0002 hub 1-0:1.0: port 1, status 0101, change 0001, 12 Mb/s hub 1-0:1.0: debounce: port 1: total 100ms stable 100ms status 0x101 c67x00 c67x00: ClearPortFeature (0): C_RESET usb 1-1: new full speed USB device using c67x00 and address 2 c67x00 c67x00: ClearPortFeature (0): C_RESET c67x00 c67x00: ### TIMEOUT at 0x0500 c67x00 c67x00: urb: 0x902390cc c67x00 c67x00: endpoint: 0 c67x00 c67x00: pipeout: 1 c67x00 c67x00: ly_base_addr: 0x0700 c67x00 c67x00: port_length: 0x0008 c67x00 c67x00: pid_ep: 0xd0 c67x00 c67x00: dev_addr: 0x00 c67x00 c67x00: ctrl_reg: 0x01 c67x00 c67x00: status: 0x14 c67x00 c67x00: retry_cnt: 0x00 c67x00 c67x00: residue: 0x00 c67x00 c67x00: next_td_addr: 0x0000 c67x00 c67x00: data:<3>usb 1-1: device not accepting address 2, error -115 c67x00 c67x00: ClearPortFeature (0): C_RESET usb 1-1: new full speed USB device using c67x00 and address 3 c67x00 c67x00: ClearPortFeature (0): C_RESET c67x00 c67x00: ### TIMEOUT at 0x0500 c67x00 c67x00: urb: 0x902390cc c67x00 c67x00: endpoint: 0 c67x00 c67x00: pipeout: 1 c67x00 c67x00: ly_base_addr: 0x0700 c67x00 c67x00: port_length: 0x0008 c67x00 c67x00: pid_ep: 0xd0 c67x00 c67x00: dev_addr: 0x00 c67x00 c67x00: ctrl_reg: 0x01 c67x00 c67x00: status: 0x14 c67x00 c67x00: retry_cnt: 0x00 c67x00 c67x00: residue: 0x00 c67x00 c67x00: next_td_addr: 0x0000 c67x00 c67x00: data:<3>usb 1-1: device not accepting address 3, error -115 c67x00 c67x00: ClearPortFeature (0): C_RESET usb 1-1: new full speed USB device using c67x00 and address 4 c67x00 c67x00: ### TIMEOUT at 0x0500 c67x00 c67x00: urb: 0x902390cc c67x00 c67x00: endpoint: 0 c67x00 c67x00: pipeout: 1 c67x00 c67x00: ly_base_addr: 0x0700 c67x00 c67x00: port_length: 0x0008 c67x00 c67x00: pid_ep: 0xd0 c67x00 c67x00: dev_addr: 0x00 c67x00 c67x00: ctrl_reg: 0x01 c67x00 c67x00: status: 0x14 c67x00 c67x00: retry_cnt: 0x00 c67x00 c67x00: residue: 0x00 c67x00 c67x00: next_td_addr: 0x0000 c67x00 c67x00: data:<3>usb 1-1: device not accepting address 4, error -115 c67x00 c67x00: ClearPortFeature (0): C_RESET usb 1-1: new full speed USB device using c67x00 and address 5 c67x00 c67x00: ### TIMEOUT at 0x0500 c67x00 c67x00: urb: 0x902390cc c67x00 c67x00: endpoint: 0 c67x00 c67x00: pipeout: 1 c67x00 c67x00: ly_base_addr: 0x0700 c67x00 c67x00: port_length: 0x0008 c67x00 c67x00: pid_ep: 0xd0 c67x00 c67x00: dev_addr: 0x00 c67x00 c67x00: ctrl_reg: 0x01 c67x00 c67x00: status: 0x14 c67x00 c67x00: retry_cnt: 0x00 c67x00 c67x00: residue: 0x00 c67x00 c67x00: next_td_addr: 0x0000 c67x00 c67x00: data:<3>usb 1-1: device not accepting address 5, error -115 -- To unsubscribe from this list: send the line "unsubscribe linux-embedded" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
