summaryrefslogtreecommitdiffstats
path: root/include/soc/mediatek
diff options
context:
space:
mode:
authorLinus Walleij <linusw@kernel.org>2026-06-30 18:05:56 +0100
committerRussell King <rmk+kernel@armlinux.org.uk>2026-08-05 16:48:11 +0100
commitbb3b2cfeb206f5b10b859e134651b54120e3f530 (patch)
tree6717fcea088ba5c5f15002a48101fa2537135bf2 /include/soc/mediatek
downloadlinux-stable-bb3b2cfeb206f5b10b859e134651b54120e3f530.tar.gz
linux-stable-bb3b2cfeb206f5b10b859e134651b54120e3f530.zip
ARM: 9480/1: entry: expand comment in __switch_tografted
As per discussion between the developers in the mail thread linked, expand the comment in __switch_to so that readers of the code understand what is going on. Suggested-by: Mark Rutland <mark.rutland@arm.com> Acked-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Linus Walleij <linusw@kernel.org>> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Diffstat (limited to 'include/soc/mediatek')
-rw-r--r--include/soc/mediatek/smi.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/include/soc/mediatek/smi.h b/include/soc/mediatek/smi.h
new file mode 100644
index 000000000..000eb1cf6
--- /dev/null
+++ b/include/soc/mediatek/smi.h
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2015-2016 MediaTek Inc.
+ * Author: Yong Wu <yong.wu@mediatek.com>
+ */
+#ifndef MTK_IOMMU_SMI_H
+#define MTK_IOMMU_SMI_H
+
+#include <linux/bitops.h>
+#include <linux/device.h>
+
+#if IS_ENABLED(CONFIG_MTK_SMI)
+
+enum iommu_atf_cmd {
+ IOMMU_ATF_CMD_CONFIG_SMI_LARB, /* For mm master to en/disable iommu */
+ IOMMU_ATF_CMD_CONFIG_INFRA_IOMMU, /* For infra master to enable iommu */
+ IOMMU_ATF_CMD_MAX,
+};
+
+#define MTK_SMI_MMU_EN(port) BIT(port)
+
+struct mtk_smi_larb_iommu {
+ struct device *dev;
+ unsigned int mmu;
+ unsigned char bank[32];
+};
+
+#endif
+
+#endif