On 15/03/2021 10:44, Ian Abbott wrote: > On 14/03/2021 03:57, Tong Zhang wrote: >> request_irq() wont accept a name which contains slash so we need to >> repalce it with something else -- otherwise it will trigger a warning >> and the entry in /proc/irq/ will not be created >> >> [ 1.565966] name 'pci-das6402/16' >> [ 1.566149] WARNING: CPU: 0 PID: 184 at fs/proc/generic.c:180 __xlate_proc_name+0x93/0xb0 >> [ 1.568923] RIP: 0010:__xlate_proc_name+0x93/0xb0 >> [ 1.574200] Call Trace: >> [ 1.574722] proc_mkdir+0x18/0x20 >> [ 1.576629] request_threaded_irq+0xfe/0x160 >> [ 1.576859] auto_attach+0x60a/0xc40 [cb_pcidas64] >> >> Signed-off-by: Tong Zhang <ztong0001@xxxxxxxxx> [snip] > Userspace applications can use these strings to determine the board > type, so changing the strings would break those applications. > > I suggest passing the comedi driver name "cb_pcidas" to request_irq() > for now. Oops, I meant "cb_pcidas64". But you could reach that via dev->driver->driver_name if you want (where dev is the struct comedi_device * parameter). -- -=( Ian Abbott <abbotti@xxxxxxxxx> || MEV Ltd. is a company )=- -=( registered in England & Wales. Regd. number: 02862268. )=- -=( Regd. addr.: S11 & 12 Building 67, Europa Business Park, )=- -=( Bird Hall Lane, STOCKPORT, SK3 0XA, UK. || www.mev.co.uk )=- _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
