the b) case doesnt apply for imx51 at least, where the sahara crypto device is built into the kernel:
root@ubuntu:/# grep SAHARA boot/config-2.6.31-601-imx51
CONFIG_MXC_SAHARA=y
# CONFIG_MXC_SAHARA_POLL_MODE is not set
# CONFIG_MXC_SAHARA_USER_MODE is not set
root@ubuntu:/#
the b) case doesnt apply for imx51 at least, where the sahara crypto device is built into the kernel:
root@ubuntu:/# grep SAHARA boot/config- 2.6.31- 601-imx51 MXC_SAHARA_ POLL_MODE is not set MXC_SAHARA_ USER_MODE is not set
CONFIG_MXC_SAHARA=y
# CONFIG_
# CONFIG_
root@ubuntu:/#