RISC-V: Remove N-extension related defines

The RISC-V N-extension is still in draft state hence remove
N-extension related defines from asm/csr.h.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>

diff --git a/arch/riscv/include/asm/csr.h b/arch/riscv/include/asm/csr.h
index 8e18d2c..cec462e 100644 (file)
--- a/arch/riscv/include/asm/csr.h
+++ b/arch/riscv/include/asm/csr.h
@@ -51,13 +51,10 @@
 #define CAUSE_IRQ_FLAG         (_AC(1, UL) << (__riscv_xlen - 1))
 
 /* Interrupt causes (minus the high bit) */
-#define IRQ_U_SOFT             0
 #define IRQ_S_SOFT             1
 #define IRQ_M_SOFT             3
-#define IRQ_U_TIMER            4
 #define IRQ_S_TIMER            5
 #define IRQ_M_TIMER            7
-#define IRQ_U_EXT              8
 #define IRQ_S_EXT              9
 #define IRQ_M_EXT              11