Dear all, I have few basic queries regarding my partition implementation in my Sd driver. Sorry for asking such petty things here. But, somehow it's not working & I am made to ask it here.
I am working on 2.6.10 kernel(x86 architecture). I have a working SD driver for my multimedia controller. I have four interfaces for my board. I call then tfa0, tfa1, tfa2, tfa3 respectively. I defined then as below... mknod /dev/tfa0 b 252 0 //device node for first partition of socket 0 mknod /dev/tfa0p1 b 252 1 mknod /dev/tfa0p2 b 252 2 ..... mknod /dev/tfa1 b 252 4 //device node for first partition of socket 1 .... mknod /dev/tfa2 b 252 8 //device node for first partition of socket 2 ..... mknod /dev/tfa3 b 252 12 //device node for first partition of socket 3 ..... I implemented the gendisk partition support with the following calls in the driver. #define MAX_PARTS 4 // maximum no partitions per device alloc_disk (4); gend.first_minor = (SockNo*MAX_PARTS); // SockNo: Current socket card is // inserted Socket 0 & 3 support SD interfaces. I am able to mount the SD with when inserted in socket 0. At the same time, I am NOT able to mount the SD when inserted in socket 3. It fails as follows. mount /dev/tfa3 /mnt /dev/tfa3: No such device or address sfdisk: cannot open /dev/tfa3 for reading. /proc/Partitions looks ok. Cat/proc/partitions 252 0 14336 tfa3 // first inserted 252 0 14336 tfa0 252 0 14336 tfa2 The updates to the /proc/partitions are done on and when the card is inserted into that particular socket. Can you please update me if I am missing anything that has to be implemented in the driver apart from the above code? Why am I not able to mount card in socket 3? Regards, Mukund Jampala - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
