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tpm: spi: cr50: using tpm irq to sync tpm transaction

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BUG=b:35647967
TEST=boot from bob

Change-Id: Ib64107b17fb6e93dbe626ce92f3bc9da8b84784e
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Reviewed-on: https://chromium-review.googlesource.com/452284
Commit-Ready: Caesar Wang <wxt@rock-chips.com>
Tested-by: Caesar Wang <wxt@rock-chips.com>
Reviewed-by: Julius Werner <jwerner@chromium.org>
This commit is contained in:
Jeffy Chen 2017-03-03 18:24:02 +08:00 • committed by chrome-bot
commit abe212ffb0
2 changed files with 49 additions and 5 deletions
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9
src/include/tpm.h
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@ -64,4 +64,13 @@ int tis_sendrecv(const u8 *sendbuf, size_t send_size, u8 *recvbuf,
void init_tpm(int s3resume);
/*
* tis_plat_irq_status()
*
* Check tpm irq and clear it.
*
* Returns 1 when irq pending or 0 when not.
*/
int tis_plat_irq_status(void);
#endif /* TPM_H_ */