Hi Michael, Matthias Behr wrote:
to be safe you should call request_irq() after and only if all initialisations and buffer allocations were successfully...Hi Michael,By looking at code, this should not happen. But I'm not sure, perhaps I missed something. Follow the function calls by yourself. saa7146_init_module() calls pci_module_init(), which *should* call saa7146_init_one() (and therefore request_irq()) way before any extension (and the av7110) can handle anything related to the saa7146...I just feared that there might be an interrupt pending on the saa7146 and inside configure_saa7146 (called from saa7146_init_one()) request_irq is called before the saa is reset and ints disabled. So I fear that between the call "request_irq" and "saa7146_write( saa->mem, MC1, 0xbfff0000)" an interrupt might happen.
Holger
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