diff options
author | Mario Limonciello <mario.limonciello@amd.com> | 2023-09-07 21:48:45 +0300 |
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committer | Herbert Xu <herbert@gondor.apana.org.au> | 2023-09-15 13:29:46 +0300 |
commit | 3d5845e18066990ede565ffe2975e6d89786da50 (patch) | |
tree | 8880e6550489a81cf40a092bca27a50eaf459419 /drivers/crypto/ccp/psp-dev.c | |
parent | 2ac85e22e1473775020ef6850c993bcb43957741 (diff) | |
download | linux-3d5845e18066990ede565ffe2975e6d89786da50.tar.xz |
crypto: ccp - Add a macro to check capabilities register
Offsets are checked by the capabilities register in multiple places.
To make the code more readable add a macro.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/ccp/psp-dev.c')
-rw-r--r-- | drivers/crypto/ccp/psp-dev.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/crypto/ccp/psp-dev.c b/drivers/crypto/ccp/psp-dev.c index f9f3b3404f87..5f61b23695d5 100644 --- a/drivers/crypto/ccp/psp-dev.c +++ b/drivers/crypto/ccp/psp-dev.c @@ -157,7 +157,7 @@ static unsigned int psp_get_capability(struct psp_device *psp) psp->capability = val; /* Detect if TSME and SME are both enabled */ - if (psp->capability & PSP_CAPABILITY_PSP_SECURITY_REPORTING && + if (PSP_CAPABILITY(psp, PSP_SECURITY_REPORTING) && psp->capability & (PSP_SECURITY_TSME_STATUS << PSP_CAPABILITY_PSP_SECURITY_OFFSET) && cc_platform_has(CC_ATTR_HOST_MEM_ENCRYPT)) dev_notice(psp->dev, "psp: Both TSME and SME are active, SME is unnecessary when TSME is active.\n"); @@ -168,7 +168,7 @@ static unsigned int psp_get_capability(struct psp_device *psp) static int psp_check_sev_support(struct psp_device *psp) { /* Check if device supports SEV feature */ - if (!(psp->capability & PSP_CAPABILITY_SEV)) { + if (!PSP_CAPABILITY(psp, SEV)) { dev_dbg(psp->dev, "psp does not support SEV\n"); return -ENODEV; } @@ -179,7 +179,7 @@ static int psp_check_sev_support(struct psp_device *psp) static int psp_check_tee_support(struct psp_device *psp) { /* Check if device supports TEE feature */ - if (!(psp->capability & PSP_CAPABILITY_TEE)) { + if (!PSP_CAPABILITY(psp, TEE)) { dev_dbg(psp->dev, "psp does not support TEE\n"); return -ENODEV; } |