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| author | Ofir Drang <ofir.drang@arm.com> | 2019-04-18 16:39:10 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-05-22 08:39:50 +0300 |
| commit | dd5ce1e391cbc192280e49d968372cdcd8fd12de (patch) | |
| tree | 7ada27406afa8fce9c36a2f6514cd33b7f5f3f4f /drivers | |
| parent | 673046ea9ec335b1b073e06c1b2e65215ec7ae96 (diff) | |
| download | linux-dd5ce1e391cbc192280e49d968372cdcd8fd12de.tar.xz | |
crypto: ccree - handle tee fips error during power management resume
commit 7138377ce10455b7183c6dde4b2c51b33f464c45 upstream.
in order to support cryptocell tee fips error that may occurs while
cryptocell ree is suspended, an cc_tee_handle_fips_error call added
to the cc_pm_resume function.
Signed-off-by: Ofir Drang <ofir.drang@arm.com>
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Cc: stable@vger.kernel.org # v4.19+
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/crypto/ccree/cc_pm.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/crypto/ccree/cc_pm.c b/drivers/crypto/ccree/cc_pm.c index ff217e938c54..638082dff183 100644 --- a/drivers/crypto/ccree/cc_pm.c +++ b/drivers/crypto/ccree/cc_pm.c @@ -11,6 +11,7 @@ #include "cc_ivgen.h" #include "cc_hash.h" #include "cc_pm.h" +#include "cc_fips.h" #define POWER_DOWN_ENABLE 0x01 #define POWER_DOWN_DISABLE 0x00 @@ -50,12 +51,13 @@ int cc_pm_resume(struct device *dev) } cc_iowrite(drvdata, CC_REG(HOST_POWER_DOWN_EN), POWER_DOWN_DISABLE); - rc = init_cc_regs(drvdata, false); if (rc) { dev_err(dev, "init_cc_regs (%x)\n", rc); return rc; } + /* check if tee fips error occurred during power down */ + cc_tee_handle_fips_error(drvdata); rc = cc_resume_req_queue(drvdata); if (rc) { |