mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

crypto: ccp - Drop TEE support for IRQ handler 

The only PSP mailbox that currently supports interrupt on completion
is the SEV mailbox.  Drop the dead code for the TEE subdriver to
potentially call it.

Acked-by: Rijo Thomas <Rijo-john.Thomas@amd.com>
Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Mario Limonciello 2023-03-10 15:19:44 -06:00 committed by Herbert Xu
parent f69ef19f10
commit a7ca7bbdb5
2 changed files with 0 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
drivers/crypto/ccp/psp-dev.c
View File

@ -46,9 +46,6 @@ static irqreturn_t psp_irq_handler(int irq, void *data)
if (status) {
if (psp->sev_irq_handler)
psp->sev_irq_handler(irq, psp->sev_irq_data, status);
if (psp->tee_irq_handler)
psp->tee_irq_handler(irq, psp->tee_irq_data, status);
}
/* Clear the interrupt status by writing the same value we read. */
@ -219,18 +216,6 @@ void psp_clear_sev_irq_handler(struct psp_device *psp)
psp_set_sev_irq_handler(psp, NULL, NULL);
}
void psp_set_tee_irq_handler(struct psp_device *psp, psp_irq_handler_t handler,
void *data)
{
psp->tee_irq_data = data;
psp->tee_irq_handler = handler;
}
void psp_clear_tee_irq_handler(struct psp_device *psp)
{
psp_set_tee_irq_handler(psp, NULL, NULL);
}
struct psp_device *psp_get_master_device(void)
{
struct sp_device *sp = sp_get_psp_master_device();

7
drivers/crypto/ccp/psp-dev.h
View File

@ -40,9 +40,6 @@ struct psp_device {
psp_irq_handler_t sev_irq_handler;
void *sev_irq_data;
psp_irq_handler_t tee_irq_handler;
void *tee_irq_data;
void *sev_data;
void *tee_data;
@ -53,10 +50,6 @@ void psp_set_sev_irq_handler(struct psp_device *psp, psp_irq_handler_t handler,
void *data);
void psp_clear_sev_irq_handler(struct psp_device *psp);
void psp_set_tee_irq_handler(struct psp_device *psp, psp_irq_handler_t handler,
void *data);
void psp_clear_tee_irq_handler(struct psp_device *psp);
struct psp_device *psp_get_master_device(void);
#define PSP_CAPABILITY_SEV BIT(0)