diff options
| author | Benjamin Gaignard <benjamin.gaignard@linaro.org> | 2018-11-27 13:49:50 +0100 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2018-12-06 23:26:32 -0500 |
| commit | 7f84fc670b17fca3d8d1b7c9472a19bb8085c890 (patch) | |
| tree | 5af913847507ee1d58408c5f053bcdb2731b0133 /arch/sandbox | |
| parent | 3b074fb22b8f09178200b969395fa9f3d97a67e6 (diff) | |
dm: Add Hardware Spinlock class
This is uclass for Hardware Spinlocks.
It implements two mandatory operations: lock and unlock
and one optional relax operation.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
Diffstat (limited to 'arch/sandbox')
| -rw-r--r-- | arch/sandbox/dts/test.dts | 4 | ||||
| -rw-r--r-- | arch/sandbox/include/asm/state.h | 1 |
2 files changed, 5 insertions, 0 deletions
diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts index 6722e18bc3..12d39d8d5c 100644 --- a/arch/sandbox/dts/test.dts +++ b/arch/sandbox/dts/test.dts @@ -742,6 +742,10 @@ pinctrl { compatible = "sandbox,pinctrl"; }; + + hwspinlock@0 { + compatible = "sandbox,hwspinlock"; + }; }; #include "sandbox_pmic.dtsi" diff --git a/arch/sandbox/include/asm/state.h b/arch/sandbox/include/asm/state.h index 5a14485102..c724827f6c 100644 --- a/arch/sandbox/include/asm/state.h +++ b/arch/sandbox/include/asm/state.h @@ -101,6 +101,7 @@ struct sandbox_state { ulong next_tag; /* Next address tag to allocate */ struct list_head mapmem_head; /* struct sandbox_mapmem_entry */ + bool hwspinlock; /* Hardware Spinlock status */ }; /* Minimum space we guarantee in the state FDT when calling read/write*/ |