Hi, Le Tue, 1 Aug 2006 12:18:00 -0500, "Thanh Tran" <ttran@xxxxxxxxxxxxx> a écrit : > I am writing a pci device driver in linux to talk to a modem module. > My driver code has detected the modem module using > > pci_find_device() > startAddr = pci_resource_start(pciDev,i); > flags = pci_resource_flags(pciDev,i); > > Now that I have the starting physical address of the pci device, do I > have to use ioremap() on this physical address in order to talk to the > device (in kernel space) ? Can I talk the device using the detected > physical address directly? I don't know anything about PCI, but Linux Device Drivers has a complete chapter about it: http://lwn.net/images/pdf/LDD3/ch12.pdf Sincerly, Thomas -- PETAZZONI Thomas - thomas.petazzoni@xxxxxxxx http://{thomas,sos,kos}.enix.org - Jabber: thomas.petazzoni@xxxxxxxxx http://{agenda,livret}dulibre.org - http://www.toulibre.org Fingerprint : 0BE1 4CF3 CEA4 AC9D CC6E 1624 F653 CB30 98D3 F7A7
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