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authorNicholas Piggin <npiggin@gmail.com>2020-09-15 13:46:47 +0200
committerMichael Ellerman <mpe@ellerman.id.au>2020-10-06 14:22:23 +0200
commit012a9a97a8fd6c96d5ec64eb0583220490d95e73 (patch)
tree784f3e2a6fece1a03b1a0e94666e4704aa89b519 /arch
parentpowerpc/64: fix irq replay pt_regs->softe value (diff)
downloadlinux-012a9a97a8fd6c96d5ec64eb0583220490d95e73.tar.xz
linux-012a9a97a8fd6c96d5ec64eb0583220490d95e73.zip
powerpc/64e: remove PACA_IRQ_EE_EDGE
This is not used anywhere. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200915114650.3980244-3-npiggin@gmail.com
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/include/asm/hw_irq.h5
-rw-r--r--arch/powerpc/kernel/exceptions-64e.S1
-rw-r--r--arch/powerpc/kernel/irq.c23
3 files changed, 2 insertions, 27 deletions
diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h
index 538698facb80..2034f9590a8c 100644
--- a/arch/powerpc/include/asm/hw_irq.h
+++ b/arch/powerpc/include/asm/hw_irq.h
@@ -25,9 +25,8 @@
#define PACA_IRQ_DBELL 0x02
#define PACA_IRQ_EE 0x04
#define PACA_IRQ_DEC 0x08 /* Or FIT */
-#define PACA_IRQ_EE_EDGE 0x10 /* BookE only */
-#define PACA_IRQ_HMI 0x20
-#define PACA_IRQ_PMI 0x40
+#define PACA_IRQ_HMI 0x10
+#define PACA_IRQ_PMI 0x20
/*
* Some soft-masked interrupts must be hard masked until they are replayed
diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S
index d9ed79415100..ca444ca82b8d 100644
--- a/arch/powerpc/kernel/exceptions-64e.S
+++ b/arch/powerpc/kernel/exceptions-64e.S
@@ -988,7 +988,6 @@ kernel_dbg_exc:
.endm
masked_interrupt_book3e_0x500:
- // XXX When adding support for EPR, use PACA_IRQ_EE_EDGE
masked_interrupt_book3e PACA_IRQ_EE 1
masked_interrupt_book3e_0x900:
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 3fdad9336885..736a6b56e7d6 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -181,16 +181,6 @@ notrace unsigned int __check_irq_replay(void)
return 0x500;
}
- /*
- * Check if an EPR external interrupt happened this bit is typically
- * set if we need to handle another "edge" interrupt from within the
- * MPIC "EPR" handler.
- */
- if (happened & PACA_IRQ_EE_EDGE) {
- local_paca->irq_happened &= ~PACA_IRQ_EE_EDGE;
- return 0x500;
- }
-
if (happened & PACA_IRQ_DBELL) {
local_paca->irq_happened &= ~PACA_IRQ_DBELL;
return 0x280;
@@ -270,19 +260,6 @@ again:
hard_irq_disable();
}
- /*
- * Check if an EPR external interrupt happened this bit is typically
- * set if we need to handle another "edge" interrupt from within the
- * MPIC "EPR" handler.
- */
- if (IS_ENABLED(CONFIG_PPC_BOOK3E) && (happened & PACA_IRQ_EE_EDGE)) {
- local_paca->irq_happened &= ~PACA_IRQ_EE_EDGE;
- regs.trap = 0x500;
- do_IRQ(&regs);
- if (!(local_paca->irq_happened & PACA_IRQ_HARD_DIS))
- hard_irq_disable();
- }
-
if (IS_ENABLED(CONFIG_PPC_DOORBELL) && (happened & PACA_IRQ_DBELL)) {
local_paca->irq_happened &= ~PACA_IRQ_DBELL;
if (IS_ENABLED(CONFIG_PPC_BOOK3E))