More than 7 partitions on the SD

Timo Juhani Lindfors timo.lindfors at
Mon Mar 9 22:48:25 CET 2009

"Pietro \"m0nt0\" Montorfano" <monto84 at> writes:
> Sooo, how it's that possible?? Why can't we simply patch the driver
> which make the mmcblk device to let us create all the devices?

drivers/mmc/block.c has the limit:

 * max 8 partitions per card
#define MMC_SHIFT       3
#define MMC_NUM_MINORS  (256 >> MMC_SHIFT)

Feel free to change but I doubt this will be accepted upstream.

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