Re: [PATCH 08/13] tpm: Pull everything related to /dev/tpmX into tpm-dev.c

[Peter Hüwe]

Am Mittwoch, 2. Oktober 2013, 00:57:33 schrieb Jason Gunthorpe:
> > When compiling the tpm drivers as modules I get
> > ERROR: "tpm_sysfs_del_device" [drivers/char/tpm/tpm.ko] undefined!
> > ERROR: "tpm_dev_add_device" [drivers/char/tpm/tpm.ko] undefined!
> > ERROR: "tpm_dev_del_device" [drivers/char/tpm/tpm.ko] undefined!
> > ERROR: "tpm_sysfs_add_device" [drivers/char/tpm/tpm.ko] undefined!
> > ERROR: "tpm_transmit" [drivers/char/tpm/tpm-sysfs.ko] undefined!
> > ERROR: "tpm_pcr_read_dev" [drivers/char/tpm/tpm-sysfs.ko] undefined!
> > ERROR: "tpm_getcap" [drivers/char/tpm/tpm-sysfs.ko] undefined!
> > ERROR: "tpm_transmit" [drivers/char/tpm/tpm-dev.ko] undefined!
> 
> Oh, I am glad you can test modules..
> 
> I botched the makefile changes for the new .c files.
> 
> I believe it should be like this:
> 
> obj-$(CONFIG_TCG_TPM) += tpm-core.o
> tpm-core-y := tpm.o tpm-dev.o tpm-sysfs.o
> 
> > I added a suitable patch with the appropriate EXPORT_SYMBOL_GPL
> > declarations to my testing branch. (also see next message)
> 
> EXPORT_SYMBOL_GPL is not correct, these are in-module references, not
> cross module references, and I've deliberately not exported them to
> prevent drivers from trying to use them inappropriately.
Of course you're right - I just wanted to get it compile as fast as possible 
;)

The makefile patch did fix it.

Staged here 
https://github.com/PeterHuewe/linux-tpmdd/tree/testing-and-review
(along with a small fix for the tpm_i2c_atmel driver ;)


Thanks,
Peter
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