linux-kernel - [PATCH 12/22] staging: vc04_services: Get rid of vchiq_arm

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Message-Id: <20200124144617.2213-13-nsaenzjulienne@suse.de>
Date:   Fri, 24 Jan 2020 15:46:06 +0100
From:   Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
To:     gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org
Cc:     Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        bcm-kernel-feedback-list@...adcom.com,
        linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, devel@...verdev.osuosl.org
Subject: [PATCH 12/22] staging: vc04_services: Get rid of vchiq_arm_vcsuspend()

It's not used.

Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
---
 .../interface/vchiq_arm/vchiq_arm.c           | 51 -------------------
 .../interface/vchiq_arm/vchiq_arm.h           |  3 --
 2 files changed, 54 deletions(-)

diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
index dbe403f9291b..55a5b77e7abd 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
@@ -2500,57 +2500,6 @@ need_resume(struct vchiq_state *state)
 			(arm_state->vc_resume_state < VC_RESUME_REQUESTED);
 }
 
-/* Initiate suspend via slot handler. Should be called with the write lock
- * held */
-enum vchiq_status
-vchiq_arm_vcsuspend(struct vchiq_state *state)
-{
-	enum vchiq_status status = VCHIQ_ERROR;
-	struct vchiq_arm_state *arm_state = vchiq_platform_get_arm_state(state);
-
-	if (!arm_state)
-		goto out;
-
-	vchiq_log_trace(vchiq_susp_log_level, "%s", __func__);
-	status = VCHIQ_SUCCESS;
-
-	switch (arm_state->vc_suspend_state) {
-	case VC_SUSPEND_REQUESTED:
-		vchiq_log_info(vchiq_susp_log_level, "%s: suspend already "
-			"requested", __func__);
-		break;
-	case VC_SUSPEND_IN_PROGRESS:
-		vchiq_log_info(vchiq_susp_log_level, "%s: suspend already in "
-			"progress", __func__);
-		break;
-
-	default:
-		/* We don't expect to be in other states, so log but continue
-		 * anyway */
-		vchiq_log_error(vchiq_susp_log_level,
-			"%s unexpected suspend state %s", __func__,
-			suspend_state_names[arm_state->vc_suspend_state +
-						VC_SUSPEND_NUM_OFFSET]);
-		/* fall through */
-	case VC_SUSPEND_REJECTED:
-	case VC_SUSPEND_FAILED:
-		/* Ensure any idle state actions have been run */
-		set_suspend_state(arm_state, VC_SUSPEND_IDLE);
-		/* fall through */
-	case VC_SUSPEND_IDLE:
-		vchiq_log_info(vchiq_susp_log_level,
-			"%s: suspending", __func__);
-		set_suspend_state(arm_state, VC_SUSPEND_REQUESTED);
-		/* kick the slot handler thread to initiate suspend */
-		request_poll(state, NULL, 0);
-		break;
-	}
-
-out:
-	vchiq_log_trace(vchiq_susp_log_level, "%s exit %d", __func__, status);
-	return status;
-}
-
 void
 vchiq_platform_check_suspend(struct vchiq_state *state)
 {
diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h
index beac1469d54d..0f69956c221e 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h
@@ -88,9 +88,6 @@ int vchiq_platform_init(struct platform_device *pdev,
 extern struct vchiq_state *
 vchiq_get_state(void);
 
-extern enum vchiq_status
-vchiq_arm_vcsuspend(struct vchiq_state *state);
-
 extern enum vchiq_status
 vchiq_arm_vcresume(struct vchiq_state *state);
 
-- 
2.25.0