Received-SPF: Pass (protection.outlook.com: domain of amd.com designates
 165.204.84.17 as permitted sender) receiver=protection.outlook.com;
 client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C
From:   Mario Limonciello <mario.limonciello@amd.com>
To:     =?UTF-8?q?Jan=20D=C4=85bro=C5=9B?= <jsd@semihalf.com>,
        Grzegorz Bernacki <gjb@semihalf.com>,
        <Rijo-john.Thomas@amd.com>, <Thomas.Lendacky@amd.com>,
        <herbert@gondor.apana.org.au>,
        Tom Lendacky <thomas.lendacky@amd.com>,
        "John Allen" <john.allen@amd.com>
CC:     <Felix.Held@amd.com>,
        Mario Limonciello <mario.limonciello@amd.com>,
        "David S. Miller" <davem@davemloft.net>,
        <linux-crypto@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: [PATCH v4 1/8] crypto: ccp: Drop TEE support for IRQ handler
Date:   Fri, 10 Mar 2023 15:19:44 -0600
Message-ID: <20230310211954.2490-2-mario.limonciello@amd.com>
In-Reply-To: <20230310211954.2490-1-mario.limonciello@amd.com>
References: <20230310211954.2490-1-mario.limonciello@amd.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Content-Type: text/plain
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Mar 2023 21:22:23.4035
 (UTC)
X-MS-Exchange-CrossTenant-Network-Message-Id: bd19742a-1fb3-48cc-91f7-08db21ad8a34
X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d
X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com]
X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT033.eop-nam11.prod.protection.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Anonymous
X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem
X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL1PR12MB5730
Precedence: bulk
List-ID: <linux-crypto.vger.kernel.org>
X-Mailing-List: linux-crypto@vger.kernel.org

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>
---
v3->v4:
 * Pick up tags
v2->v3:
 * Pick up tags
---
 drivers/crypto/ccp/psp-dev.c | 15 ---------------
 drivers/crypto/ccp/psp-dev.h |  7 -------
 2 files changed, 22 deletions(-)

diff --git a/drivers/crypto/ccp/psp-dev.c b/drivers/crypto/ccp/psp-dev.c
index c9c741ac8442..cd8d1974726a 100644
--- a/drivers/crypto/ccp/psp-dev.c
+++ b/drivers/crypto/ccp/psp-dev.c
@@ -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();
diff --git a/drivers/crypto/ccp/psp-dev.h b/drivers/crypto/ccp/psp-dev.h
index d528eb04c3ef..06e1f317216d 100644
--- a/drivers/crypto/ccp/psp-dev.h
+++ b/drivers/crypto/ccp/psp-dev.h
@@ -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)
-- 
2.34.1