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-rw-r--r--arch/arc/boot/dts/axs10x_mb.dtsi1
-rw-r--r--arch/arc/boot/dts/vdk_axs10x_mb.dtsi1
-rw-r--r--arch/arc/include/asm/atomic.h2
-rw-r--r--arch/arc/include/asm/futex.h40
-rw-r--r--arch/arc/include/asm/spinlock.h5
-rw-r--r--arch/arc/kernel/Makefile1
-rw-r--r--arch/arc/kernel/intc-arcv2.c11
-rw-r--r--arch/arc/kernel/intc-compact.c2
-rw-r--r--arch/arc/kernel/pcibios.c22
9 files changed, 17 insertions, 68 deletions
diff --git a/arch/arc/boot/dts/axs10x_mb.dtsi b/arch/arc/boot/dts/axs10x_mb.dtsi
index 0ff7e07edcd4..2367a67c5f10 100644
--- a/arch/arc/boot/dts/axs10x_mb.dtsi
+++ b/arch/arc/boot/dts/axs10x_mb.dtsi
@@ -101,7 +101,6 @@
mmc@0x15000 {
compatible = "altr,socfpga-dw-mshc";
reg = < 0x15000 0x400 >;
- num-slots = < 1 >;
fifo-depth = < 16 >;
card-detect-delay = < 200 >;
clocks = <&apbclk>, <&mmcclk>;
diff --git a/arch/arc/boot/dts/vdk_axs10x_mb.dtsi b/arch/arc/boot/dts/vdk_axs10x_mb.dtsi
index 459fc656b759..48bb4b4cd234 100644
--- a/arch/arc/boot/dts/vdk_axs10x_mb.dtsi
+++ b/arch/arc/boot/dts/vdk_axs10x_mb.dtsi
@@ -104,7 +104,6 @@
mmc@0x15000 {
compatible = "snps,dw-mshc";
reg = <0x15000 0x400>;
- num-slots = <1>;
fifo-depth = <1024>;
card-detect-delay = <200>;
clocks = <&apbclk>, <&mmcclk>;
diff --git a/arch/arc/include/asm/atomic.h b/arch/arc/include/asm/atomic.h
index 54b54da6384c..11859287c52a 100644
--- a/arch/arc/include/asm/atomic.h
+++ b/arch/arc/include/asm/atomic.h
@@ -123,6 +123,8 @@ static inline void atomic_set(atomic_t *v, int i)
atomic_ops_unlock(flags);
}
+#define atomic_set_release(v, i) atomic_set((v), (i))
+
#endif
/*
diff --git a/arch/arc/include/asm/futex.h b/arch/arc/include/asm/futex.h
index 11e1b1f3acda..eb887dd13e74 100644
--- a/arch/arc/include/asm/futex.h
+++ b/arch/arc/include/asm/futex.h
@@ -73,20 +73,11 @@
#endif
-static inline int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr)
+static inline int arch_futex_atomic_op_inuser(int op, int oparg, int *oval,
+ u32 __user *uaddr)
{
- int op = (encoded_op >> 28) & 7;
- int cmp = (encoded_op >> 24) & 15;
- int oparg = (encoded_op << 8) >> 20;
- int cmparg = (encoded_op << 20) >> 20;
int oldval = 0, ret;
- if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
- oparg = 1 << oparg;
-
- if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int)))
- return -EFAULT;
-
#ifndef CONFIG_ARC_HAS_LLSC
preempt_disable(); /* to guarantee atomic r-m-w of futex op */
#endif
@@ -118,30 +109,9 @@ static inline int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr)
preempt_enable();
#endif
- if (!ret) {
- switch (cmp) {
- case FUTEX_OP_CMP_EQ:
- ret = (oldval == cmparg);
- break;
- case FUTEX_OP_CMP_NE:
- ret = (oldval != cmparg);
- break;
- case FUTEX_OP_CMP_LT:
- ret = (oldval < cmparg);
- break;
- case FUTEX_OP_CMP_GE:
- ret = (oldval >= cmparg);
- break;
- case FUTEX_OP_CMP_LE:
- ret = (oldval <= cmparg);
- break;
- case FUTEX_OP_CMP_GT:
- ret = (oldval > cmparg);
- break;
- default:
- ret = -ENOSYS;
- }
- }
+ if (!ret)
+ *oval = oldval;
+
return ret;
}
diff --git a/arch/arc/include/asm/spinlock.h b/arch/arc/include/asm/spinlock.h
index 193c9eb5a803..47efc8451b70 100644
--- a/arch/arc/include/asm/spinlock.h
+++ b/arch/arc/include/asm/spinlock.h
@@ -16,11 +16,6 @@
#define arch_spin_is_locked(x) ((x)->slock != __ARCH_SPIN_LOCK_UNLOCKED__)
#define arch_spin_lock_flags(lock, flags) arch_spin_lock(lock)
-static inline void arch_spin_unlock_wait(arch_spinlock_t *lock)
-{
- smp_cond_load_acquire(&lock->slock, !VAL);
-}
-
#ifdef CONFIG_ARC_HAS_LLSC
static inline void arch_spin_lock(arch_spinlock_t *lock)
diff --git a/arch/arc/kernel/Makefile b/arch/arc/kernel/Makefile
index 8942c5c3b4c5..2dc5f4296d44 100644
--- a/arch/arc/kernel/Makefile
+++ b/arch/arc/kernel/Makefile
@@ -12,7 +12,6 @@ obj-y := arcksyms.o setup.o irq.o reset.o ptrace.o process.o devtree.o
obj-y += signal.o traps.o sys.o troubleshoot.o stacktrace.o disasm.o
obj-$(CONFIG_ISA_ARCOMPACT) += entry-compact.o intc-compact.o
obj-$(CONFIG_ISA_ARCV2) += entry-arcv2.o intc-arcv2.o
-obj-$(CONFIG_PCI) += pcibios.o
obj-$(CONFIG_MODULES) += arcksyms.o module.o
obj-$(CONFIG_SMP) += smp.o
diff --git a/arch/arc/kernel/intc-arcv2.c b/arch/arc/kernel/intc-arcv2.c
index cf90714a676d..067ea362fb3e 100644
--- a/arch/arc/kernel/intc-arcv2.c
+++ b/arch/arc/kernel/intc-arcv2.c
@@ -75,13 +75,20 @@ void arc_init_IRQ(void)
* Set a default priority for all available interrupts to prevent
* switching of register banks if Fast IRQ and multiple register banks
* are supported by CPU.
- * Also disable all IRQ lines so faulty external hardware won't
+ * Also disable private-per-core IRQ lines so faulty external HW won't
* trigger interrupt that kernel is not ready to handle.
*/
for (i = NR_EXCEPTIONS; i < irq_bcr.irqs + NR_EXCEPTIONS; i++) {
write_aux_reg(AUX_IRQ_SELECT, i);
write_aux_reg(AUX_IRQ_PRIORITY, ARCV2_IRQ_DEF_PRIO);
- write_aux_reg(AUX_IRQ_ENABLE, 0);
+
+ /*
+ * Only mask cpu private IRQs here.
+ * "common" interrupts are masked at IDU, otherwise it would
+ * need to be unmasked at each cpu, with IPIs
+ */
+ if (i < FIRST_EXT_IRQ)
+ write_aux_reg(AUX_IRQ_ENABLE, 0);
}
/* setup status32, don't enable intr yet as kernel doesn't want */
diff --git a/arch/arc/kernel/intc-compact.c b/arch/arc/kernel/intc-compact.c
index cef388025adf..47b421fa0147 100644
--- a/arch/arc/kernel/intc-compact.c
+++ b/arch/arc/kernel/intc-compact.c
@@ -27,7 +27,7 @@
*/
void arc_init_IRQ(void)
{
- int level_mask = 0, i;
+ unsigned int level_mask = 0, i;
/* Is timer high priority Interrupt (Level2 in ARCompact jargon) */
level_mask |= IS_ENABLED(CONFIG_ARC_COMPACT_IRQ_LEVELS) << TIMER0_IRQ;
diff --git a/arch/arc/kernel/pcibios.c b/arch/arc/kernel/pcibios.c
deleted file mode 100644
index 72e1d73d0bd6..000000000000
--- a/arch/arc/kernel/pcibios.c
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * Copyright (C) 2014-2015 Synopsys, Inc. (www.synopsys.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/pci.h>
-
-/*
- * We don't have to worry about legacy ISA devices, so nothing to do here
- */
-resource_size_t pcibios_align_resource(void *data, const struct resource *res,
- resource_size_t size, resource_size_t align)
-{
- return res->start;
-}
-
-void pcibios_fixup_bus(struct pci_bus *bus)
-{
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-23 22:22:54 +0000