C++ (Cpp) msm_rpm_set_exclusiveの例

コード例 #1

ファイル: rpm.c プロジェクト: lolhi/ef52-kernel

/* Upon return, the <req> array will contain values from the ack page.
 *
 * Return value:
 *   0: success
 *   -EINVAL: invalid <ctx> or invalid id in <req> array
 *   -ENOSPC: request rejected
 *   -ENODEV: RPM driver not initialized
 */
static int msm_rpm_set_common(
	int ctx, struct msm_rpm_iv_pair *req, int count, bool noirq)
{
	uint32_t sel_masks[SEL_MASK_SIZE] = {};
	int rc;

	if (ctx >= MSM_RPM_CTX_SET_COUNT) {
		rc = -EINVAL;
		goto set_common_exit;
	}

	rc = msm_rpm_fill_sel_masks(sel_masks, req, count);
	if (rc)
		goto set_common_exit;

	if (noirq) {
		unsigned long flags;

		spin_lock_irqsave(&msm_rpm_lock, flags);
		rc = msm_rpm_set_exclusive_noirq(ctx, sel_masks, req, count);
		spin_unlock_irqrestore(&msm_rpm_lock, flags);
	} else {
		mutex_lock(&msm_rpm_mutex);
		rc = msm_rpm_set_exclusive(ctx, sel_masks, req, count);
		mutex_unlock(&msm_rpm_mutex);
	}

set_common_exit:
	return rc;
}

コード例 #2

ファイル: rpm.c プロジェクト: Kernel-Saram/CLUSTER_Kernel_VR

/*
 * Return value:
 *   0: success
 *   -EINVAL: invalid <ctx> or invalid id in <req> array
 *   -ENODEV: RPM driver not initialized.
 */
static int msm_rpm_clear_common(
	int ctx, struct msm_rpm_iv_pair *req, int count, bool noirq)
{
	uint32_t sel_masks[MSM_RPM_SEL_MASK_SIZE] = {};
	struct msm_rpm_iv_pair r[MSM_RPM_SEL_MASK_SIZE];
	int rc;
	int i;

	if (!msm_rpm_platform) {
		if (cpu_is_apq8064())
			return 0;
		else
			return -ENODEV;
	}

	if (ctx >= MSM_RPM_CTX_SET_COUNT) {
		rc = -EINVAL;
		goto clear_common_exit;
	}

	rc = msm_rpm_fill_sel_masks(sel_masks, req, count);
	if (rc)
		goto clear_common_exit;

	for (i = 0; i < ARRAY_SIZE(r); i++) {
		r[i].id = MSM_RPM_ID_INVALIDATE_0 + i;
		r[i].value = sel_masks[i];
	}

	memset(sel_masks, 0, sizeof(sel_masks));
	sel_masks[msm_rpm_get_sel_mask_reg(MSM_RPM_SEL_INVALIDATE)] |=
		msm_rpm_get_sel_mask(MSM_RPM_SEL_INVALIDATE);

	if (noirq) {
		unsigned long flags;

		spin_lock_irqsave(&msm_rpm_lock, flags);
		rc = msm_rpm_set_exclusive_noirq(ctx, sel_masks, r,
			ARRAY_SIZE(r));
		spin_unlock_irqrestore(&msm_rpm_lock, flags);
		BUG_ON(rc);
	} else {
		mutex_lock(&msm_rpm_mutex);
		rc = msm_rpm_set_exclusive(ctx, sel_masks, r, ARRAY_SIZE(r));
		mutex_unlock(&msm_rpm_mutex);
		BUG_ON(rc);
	}

clear_common_exit:
	return rc;
}

コード例 #3

ファイル: rpm.c プロジェクト: IAmTheOneTheyCallNeo/sultan-kernel-pyramid

/*
 * Note: assumes caller has acquired <msm_rpm_mutex>.
 */
static void msm_rpm_update_notification(uint32_t ctx,
	struct msm_rpm_notif_config *curr_cfg,
	struct msm_rpm_notif_config *new_cfg)
{
	if (memcmp(curr_cfg, new_cfg, sizeof(*new_cfg))) {
		uint32_t sel_masks[MSM_RPM_SEL_MASK_SIZE] = {};
		int rc;

		sel_masks[msm_rpm_get_sel_mask_reg(MSM_RPM_SEL_NOTIFICATION)]
			|= msm_rpm_get_sel_mask(MSM_RPM_SEL_NOTIFICATION);

		rc = msm_rpm_set_exclusive(ctx,
			sel_masks, new_cfg->iv, ARRAY_SIZE(new_cfg->iv));
		BUG_ON(rc);

		memcpy(curr_cfg, new_cfg, sizeof(*new_cfg));
	}
}

コード例 #4

ファイル: rpm.c プロジェクト: lolhi/ef52-kernel

/*
 * Note: assumes caller has acquired <msm_rpm_mutex>.
 */
static void msm_rpm_update_notification(uint32_t ctx,
	struct msm_rpm_notif_config *curr_cfg,
	struct msm_rpm_notif_config *new_cfg)
{
	unsigned int sel_notif = msm_rpm_data.sel_notification;

	if (memcmp(curr_cfg, new_cfg, sizeof(*new_cfg))) {
		uint32_t sel_masks[SEL_MASK_SIZE] = {};
		int rc;

		sel_masks[msm_rpm_get_sel_mask_reg(sel_notif)]
			|= msm_rpm_get_sel_mask(sel_notif);

		rc = msm_rpm_set_exclusive(ctx,
			sel_masks, new_cfg->iv, ARRAY_SIZE(new_cfg->iv));
		BUG_ON(rc);

		memcpy(curr_cfg, new_cfg, sizeof(*new_cfg));
	}
}