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linux/drivers/crypto/ccp
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Mario Limonciello (AMD) e0f0d708cd crypto: ccp - Add an S4 restore flow 
[ Upstream commit 0ba2035026 ]

The system will have lost power during S4.  The ring used for TEE
communications needs to be initialized before use.

Fixes: f892a21f51 ("crypto: ccp - use generic power management")
Reported-by: Lars Francke <lars.francke@gmail.com>
Closes: https://lore.kernel.org/platform-driver-x86/CAD-Ua_gfJnQSo8ucS_7ZwzuhoBRJ14zXP7s8b-zX3ZcxcyWePw@mail.gmail.com/
Tested-by: Yijun Shen <Yijun.Shen@Dell.com>
Signed-off-by: Mario Limonciello (AMD) <superm1@kernel.org>
Reviewed-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://patch.msgid.link/20260116041132.153674-4-superm1@kernel.org
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2026-03-04 07:19:42 -05:00
..
ccp-crypto-aes-cmac.c crypto: drivers - set the flag CRYPTO_ALG_ALLOCATES_MEMORY 2020-07-16 21:49:10 +10:00
ccp-crypto-aes-galois.c crypto: drivers - set the flag CRYPTO_ALG_ALLOCATES_MEMORY 2020-07-16 21:49:10 +10:00
ccp-crypto-aes-xts.c crypto: drivers - set the flag CRYPTO_ALG_ALLOCATES_MEMORY 2020-07-16 21:49:10 +10:00
ccp-crypto-aes.c crypto: drivers - set the flag CRYPTO_ALG_ALLOCATES_MEMORY 2020-07-16 21:49:10 +10:00
ccp-crypto-des3.c crypto: drivers - set the flag CRYPTO_ALG_ALLOCATES_MEMORY 2020-07-16 21:49:10 +10:00
ccp-crypto-main.c crypto: ccp - Use DEFINE_SPINLOCK() for spinlock 2021-04-09 17:41:06 +10:00
ccp-crypto-rsa.c mm, treewide: rename kzfree() to kfree_sensitive() 2020-08-07 11:33:22 -07:00
ccp-crypto-sha.c crypto: sha - split sha.h into sha1.h and sha2.h 2020-11-20 14:45:33 +11:00
ccp-crypto.h crypto: sha - split sha.h into sha1.h and sha2.h 2020-11-20 14:45:33 +11:00
ccp-debugfs.c crypto: ccp - Fix crash when rebind ccp device for ccp.ko 2025-08-28 16:24:10 +02:00
ccp-dev-v3.c crypto: ccp - set max RSA modulus size for v3 platform devices as well 2019-12-11 16:36:55 +08:00
ccp-dev-v5.c crypto: ccp - Fix sparse warnings 2020-07-09 18:25:22 +10:00
ccp-dev.c crypto: ccp: ccp-dev: Fix a little doc-rot 2021-05-28 15:11:45 +08:00
ccp-dev.h crypto: ccp - Fix sparse warnings 2020-07-09 18:25:22 +10:00
ccp-dmaengine.c crypto: ccp - Failure on re-initialization due to duplicate sysfs filename 2023-03-10 09:39:11 +01:00
ccp-ops.c crypto: ccp - fix memleak in ccp_init_dm_workarea 2024-01-25 14:52:34 -08:00
Kconfig crypto: ccp -- don't "select" CONFIG_DMADEVICES 2020-04-16 16:49:22 +10:00
Makefile crypto: ccp - add TEE support for Raven Ridge 2019-12-20 14:58:32 +08:00
psp-dev.c crypto: ccp - Add an S4 restore flow 2026-03-04 07:19:42 -05:00
psp-dev.h crypto: ccp - add TEE support for Raven Ridge 2019-12-20 14:58:32 +08:00
sev-dev.c crypto: ccp - Properly unregister /dev/sev on sev PLATFORM_STATUS failure 2024-10-17 15:11:13 +02:00
sev-dev.h crypto: ccp: Use the stack and common buffer for INIT command 2021-04-21 12:20:07 -04:00
sp-dev.c crypto: ccp - Add an S4 restore flow 2026-03-04 07:19:42 -05:00
sp-dev.h crypto: ccp - Add an S4 restore flow 2026-03-04 07:19:42 -05:00
sp-pci.c crypto: ccp - Add an S4 restore flow 2026-03-04 07:19:42 -05:00
sp-platform.c crypto: ccp - drop platform ifdef checks 2024-06-16 13:39:16 +02:00
tee-dev.c crypto: ccp - Add an S4 restore flow 2026-03-04 07:19:42 -05:00
tee-dev.h crypto: ccp - Add an S4 restore flow 2026-03-04 07:19:42 -05:00