Messages in this thread | | | Date | Wed, 22 Feb 2017 23:19:24 +0200 | From | Jarkko Sakkinen <> | Subject | Re: [PATCH 0/5] Fix whole native SPI TPM driver |
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On Thu, Feb 16, 2017 at 04:08:21PM +0000, Peter Huewe wrote: > During our testing it showed that unfortunately the whole native spi tpm driver > was more or less non-functional since it was merged, e.g. the wrong byte for > waitstate handling was used and transfers larger than 64 bytes did not work at all. > > This was probably caused by the merging of the different approaches back then, > as the initial RFC patch did not have these problems, and also my sudden lack > of time/commitment back then. > I'm sorry that the final driver code went untested for that long time. > > This patch set fixes these issues one by one. > In order to avoid duplication the read/write function was consolidated to one > transfer function, so we do not have to apply the same fix at two locations. > Maybe consider squashing it - we splitted it for easier review. > > Affected Kernels: 4.8, 4.9, 4.10 > Patchset was tested on Raspberry Pi2 with SLB9670 (TPM1.2 and TPM2.0) > > Peter Huewe (5): > tpm_tis_spi: Use single function to transfer data > tpm_tis_spi: Abort transfer when too many wait states are signaled > tpm_tis_spi: Check correct byte for wait state indicator > tpm_tis_spi: Remove limitation of transfers to MAX_SPI_FRAMESIZE bytes > tpm_tis_spi: Add small delay after last transfer > > drivers/char/tpm/tpm_tis_spi.c | 163 +++++++++++++++++------------------------ > 1 file changed, 69 insertions(+), 94 deletions(-) > > -- > 2.7.4 >
I also found type errors a whilea ago:
https://patchwork.kernel.org/patch/9547993/
Do this take care of these issues?
/JArkko
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