Re: [PATCH v6 1/7] tpm: tpm_tis: Make implementation of read16 read32 write32 optional

From: Jarkko Sakkinen
Date: Wed Apr 08 2020 - 12:46:37 EST


On Tue, Apr 07, 2020 at 07:20:38PM +0300, amirmizi6@xxxxxxxxx wrote:
> From: Amir Mizinski <amirmizi6@xxxxxxxxx>
>
> Only tpm_tis can use memory mapped I/O, which is truly mapped into
> the kernel's memory space. So using ioread16/ioread32/iowrite32 turn into a
> straightforward pointer dereference.
> Every other driver require more complicated operations to read more than 1
> byte at a time and will just fall back to read_bytes/write_bytes.
> Therefore, move this common code out of tpm_tis_spi into tpm_tis_core, so
> that it is automatically used when low-level drivers do not implement the
> specialized methods.
>
> Co-developed-by: Alexander Steffen <Alexander.Steffen@xxxxxxxxxxxx>
> Signed-off-by: Alexander Steffen <Alexander.Steffen@xxxxxxxxxxxx>
> Signed-off-by: Amir Mizinski <amirmizi6@xxxxxxxxx>
> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx>

Just noticed that the short summary is still wrong. As far as I remember
I asked to fix it.

tpm: tpm_tis: Make implementation of read16 read32 write32 optional

In English you put comma between enumerated things except for the last
thing where you use and-conjuction. How hard is it seriously to write
legit sentences?

/Jarkko