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authorLinus Torvalds <torvalds@linux-foundation.org>2018-04-03 05:41:08 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2018-04-03 05:41:08 +0300
commitc9297d284126b80c9cfd72c690e0da531c99fc48 (patch)
treebec7ce343f2a37def4e99ec556deb3998dbeb041 /arch/nds32/include/asm/irqflags.h
parent17e3cd222af1c72a750cd83565bb8dfc7bc12335 (diff)
parent6fc61ee69433e7e0433cabd36f78bb5fb3b26524 (diff)
downloadlinux-c9297d284126b80c9cfd72c690e0da531c99fc48.tar.xz
Merge tag 'nds32-for-linus-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/greentime/linux
Pull nds32 architecture support from Greentime Hu: "This contains the core nds32 Linux port (including interrupt controller driver and timer driver), which has been through seven rounds of review on mailing list. It is able to boot to shell and passes most LTP-2017 testsuites in nds32 AE3XX platform: Total Tests: 1901 Total Skipped Tests: 618 Total Failures: 78" Reviewed-by: Arnd Bergmann <arnd@arndb.de> * tag 'nds32-for-linus-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/greentime/linux: (44 commits) nds32: To use the generic dump_stack() nds32: fix building failed if using elf toolchain. nios2: add ioremap_nocache declaration before include asm-generic/io.h. nds32: fix building failed if using older version gcc. dt-bindings: timer: Add andestech atcpit100 timer binding doc clocksource/drivers/atcpit100: VDSO support clocksource/drivers/atcpit100: Add andestech atcpit100 timer net: faraday add nds32 support. irqchip: Andestech Internal Vector Interrupt Controller driver dt-bindings: interrupt-controller: Andestech Internal Vector Interrupt Controller dt-bindings: nds32 SoC Bindings dt-bindings: nds32 L2 cache controller Bindings dt-bindings: nds32 CPU Bindings MAINTAINERS: Add nds32 nds32: Build infrastructure nds32: defconfig nds32: Miscellaneous header files nds32: Device tree support nds32: Generic timers support nds32: Loadable modules ...
Diffstat (limited to 'arch/nds32/include/asm/irqflags.h')
-rw-r--r--arch/nds32/include/asm/irqflags.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/nds32/include/asm/irqflags.h b/arch/nds32/include/asm/irqflags.h
new file mode 100644
index 000000000000..2bfd00f8bc48
--- /dev/null
+++ b/arch/nds32/include/asm/irqflags.h
@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2005-2017 Andes Technology Corporation
+
+#include <asm/nds32.h>
+#include <nds32_intrinsic.h>
+
+#define arch_local_irq_disable() \
+ GIE_DISABLE();
+
+#define arch_local_irq_enable() \
+ GIE_ENABLE();
+static inline unsigned long arch_local_irq_save(void)
+{
+ unsigned long flags;
+ flags = __nds32__mfsr(NDS32_SR_PSW) & PSW_mskGIE;
+ GIE_DISABLE();
+ return flags;
+}
+
+static inline unsigned long arch_local_save_flags(void)
+{
+ unsigned long flags;
+ flags = __nds32__mfsr(NDS32_SR_PSW) & PSW_mskGIE;
+ return flags;
+}
+
+static inline void arch_local_irq_restore(unsigned long flags)
+{
+ if(flags)
+ GIE_ENABLE();
+}
+
+static inline int arch_irqs_disabled_flags(unsigned long flags)
+{
+ return !flags;
+}