Commit a7ca7bbd authored by Mario Limonciello's avatar Mario Limonciello Committed by Herbert Xu
Browse files

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: default avatarRijo Thomas <Rijo-john.Thomas@amd.com>
Acked-by: default avatarTom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: default avatarMario Limonciello <mario.limonciello@amd.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent f69ef19f

drivers/crypto/ccp/psp-dev.c

+0 −15
Original line number Diff line number Diff line
@@ -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();

drivers/crypto/ccp/psp-dev.h

+0 −7
Original line number Diff line number Diff line
@@ -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)