Re: Fwd: Mounting MMC card

From: Hans-Jürgen Koch
Date: Fri Jun 29 2007 - 06:02:15 EST

Am Freitag 29 Juni 2007 11:45 schrieb Midhun Agnihotram:
> >
> > This all looks correct. How about /proc/partitions? And what's in /sys/block?
> >
>
> Both of them show no sign of MMC.
>
> / # cat /proc/partitions
> major minor #blocks name
>
> 31 0 8192 mtdblock0
> 31 1 384 mtdblock1
> 31 2 1664 mtdblock2
> 31 3 2048 mtdblock3
> 31 4 4096 mtdblock4
>
>
>
> / # cd /sys/block/
> /sys/block # ls -l
> drwxr-xr-x 3 0 0 0 Jan 1 00:00 mtdblock0
> drwxr-xr-x 3 0 0 0 Jan 1 00:00 mtdblock1
> drwxr-xr-x 3 0 0 0 Jan 1 00:00 mtdblock2
> drwxr-xr-x 3 0 0 0 Jan 1 00:00 mtdblock3
> drwxr-xr-x 3 0 0 0 Jan 1 00:00 mtdblock4
> drwxr-xr-x 2 0 0 0 Jan 1 00:00 ram0
> drwxr-xr-x 2 0 0 0 Jan 1 00:00 ram1
> drwxr-xr-x 2 0 0 0 Jan 1 00:00 ram10
> drwxr-xr-x 2 0 0 0 Jan 1 00:00 ram11
> drwxr-xr-x 2 0 0 0 Jan 1 00:00 ram12
> drwxr-xr-x 2 0 0 0 Jan 1 00:00 ram13
> drwxr-xr-x 2 0 0 0 Jan 1 00:00 ram14
> drwxr-xr-x 2 0 0 0 Jan 1 00:00 ram15
> drwxr-xr-x 2 0 0 0 Jan 1 00:00 ram2
> drwxr-xr-x 2 0 0 0 Jan 1 00:00 ram3
> drwxr-xr-x 2 0 0 0 Jan 1 00:00 ram4
> drwxr-xr-x 2 0 0 0 Jan 1 00:00 ram5
> drwxr-xr-x 2 0 0 0 Jan 1 00:00 ram6
> drwxr-xr-x 2 0 0 0 Jan 1 00:00 ram7
> drwxr-xr-x 2 0 0 0 Jan 1 00:00 ram8
> drwxr-xr-x 2 0 0 0 Jan 1 00:00 ram9

For comparison, here's what it looks like here (kernel 2.6.21.5, udev):

# cat /proc/partitions
major minor #blocks name

31 0 512 mtdblock0
31 1 4096 mtdblock1
31 2 28160 mtdblock2
254 0 250880 mmcblk0
254 1 250697 mmcblk0p1
# ls -l /sys/block/
drwxr-xr-x 6 root root 0 Jun 29 08:41 mmcblk0
drwxr-xr-x 5 root root 0 Jun 29 08:41 mtdblock0
drwxr-xr-x 5 root root 0 Jun 29 08:41 mtdblock1
drwxr-xr-x 5 root root 0 Jun 29 08:41 mtdblock2
# ls -l /sys/block/mmcblk0
-r--r--r-- 1 root root 4096 Jun 29 08:41 dev
lrwxrwxrwx 1 root root 0 Jun 29 10:07 device -> ../../class/mmc_host/mmc0/mmc0:0002
drwxr-xr-x 2 root root 0 Jan 1 1970 holders
drwxr-xr-x 3 root root 0 Jun 29 08:41 mmcblk0p1
drwxr-xr-x 3 root root 0 Jan 1 1970 queue
-r--r--r-- 1 root root 4096 Jun 29 08:41 range
-r--r--r-- 1 root root 4096 Jun 29 08:41 removable
-r--r--r-- 1 root root 4096 Jun 29 08:41 size
drwxr-xr-x 2 root root 0 Jan 1 1970 slaves
-r--r--r-- 1 root root 4096 Jun 29 08:41 stat
lrwxrwxrwx 1 root root 0 Jun 29 08:41 subsystem -> ../../block
--w------- 1 root root 4096 Jun 29 08:41 uevent
# ls -l mmcblk0p1
ls: mmcblk0p1: No such file or directory
# ls -l /sys/block/mmcblk0/mmcblk0p1
-r--r--r-- 1 root root 4096 Jun 29 10:08 dev
drwxr-xr-x 2 root root 0 Jan 1 1970 holders
-r--r--r-- 1 root root 4096 Jun 29 10:08 size
-r--r--r-- 1 root root 4096 Jun 29 10:08 start
-r--r--r-- 1 root root 4096 Jun 29 10:08 stat
lrwxrwxrwx 1 root root 0 Jun 29 10:08 subsystem -> ../../../block
--w------- 1 root root 4096 Jun 29 08:41 uevent
# cat /sys/block/mmcblk0/mmcblk0p1/size
501394
#

Hans



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