All your drivers are belong to us [was WARNING: mutexes are preferredfor single holder semaphores]

Sean MacLennan smaclennan at
Thu May 8 07:42:51 EST 2008

On Wed, 07 May 2008 16:36:30 +0200
"Detlev Zundel" <dzu at> wrote:

> It also happened that a driver once posted for what the customer
> thought was a completely specific device of his own today supports
> lots of different boards from at least four different manufacturers."
> The wording is of course not exact but I hope I caught the spirit of
> what Greg wanted to say.  So yes, please post the driver - maybe Greg
> KH will tunnel it into mainline...

I agree with the sentiment. However, it is hard enough to get
legitimate drivers into the kernel. The drivers I mentioned do not
come close to following the Linux kernel coding spec.

Just to start, they use 2 character spaces for indentation :( They are
full of ifdefs since we need to support the whole gamut of 2.6 kernels
plus windows. We also must support multiple board versions in the same


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