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| author | Markuss Broks <markuss.broks@gmail.com> | 2026-08-20 22:12:05 +0300 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2026-09-24 13:18:02 +0200 |
| commit | edeebbfb6e7b3c28b61bda164702b1433701e3b7 (patch) | |
| tree | d4d4e173c0cef9fe521e88b0af8312e333db4bb4 /rust/kernel/alloc/kvec/errors.rs | |
| parent | 93f51579e7df248780214094418f205253383cc5 (diff) | |
iommu/exynos: detect SysMMUs without BLOCK mode
Newer SysMMU instances may not implement BLOCK mode: writing CTRL_BLOCK
does not stop translation, and MMU_STATUS never reports a blocked
state. The hardware advertises this in CAPA1 bit 15, which the vendor
driver reads as MMU_CAPA1_NO_BLOCK_MODE; the SysMMUs on Exynos8835
are such instances.
Signed-off-by: Markuss Broks <markuss.broks@gmail.com>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'rust/kernel/alloc/kvec/errors.rs')
0 files changed, 0 insertions, 0 deletions