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linux_dsm_epyc7002/arch/mips
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David VomLehn 010c108d7a MIPS: PowerTV: Fix support for timer interrupts with > 64 external IRQs 
The MIPS processor is limited to 64 external interrupt sources. Using a
greater number without IRQ sharing requires reading platform-specific
registers. On such platforms, reading the IntCtl register to determine
which interrupt corresponds to a timer interrupt will not work.

On MIPSR2 systems there is a solution - the TI bit in the Cause register,
specifically indicates that a timer interrupt has occured. This patch uses
that bit to detect interrupts for MIPSR2 processors, which may be expected
to work regardless of how the timer interrupt may be routed in the hardware.

Signed-off-by: David VomLehn (dvomlehn@cisco.com)
To: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/804/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-01-28 00:03:31 +01:00
..
alchemy MIPS: Alchemy: Correct code taking the size of a pointer 2010-01-12 18:19:31 +01:00
ar7 MIPS: AR7: Remove unused prom_getchar() 2010-01-12 18:19:36 +01:00
bcm47xx MIPS: Replace all usages of CL_SIZE by COMMAND_LINE_SIZE 2009-12-17 01:56:56 +00:00
bcm63xx MIPS: BCM63xx: Remove duplicate CONFIG_CMDLINE. 2010-01-12 18:19:36 +01:00
boot MIPS: Fix vmlinuz build for 32bit-only math shells 2010-01-28 00:03:30 +01:00
cavium-octeon MIPS: Octeon: Use non-overflowing arithmetic in sched_clock 2010-01-12 18:19:36 +01:00
cobalt MIPS: Cobalt use strlcat() for the command line arguments 2010-01-12 18:19:34 +01:00
configs MIPS: Fix and enhance built-in kernel command line 2009-12-17 01:57:35 +00:00
dec Merge branch 'timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-09-18 09:15:24 -07:00
emma MIPS: Remove useless zero initializations. 2009-09-17 20:07:51 +02:00
fw MIPS: IP22: Remove an unused function 2009-12-17 01:56:56 +00:00
gt64120/wrppmc Update Yoichi Yuasa's e-mail address 2009-07-03 15:45:29 +01:00
include/asm MIPS: PowerTV: Fix support for timer interrupts with > 64 external IRQs 2010-01-28 00:03:31 +01:00
jazz MIPS: Add IRQF_TIMER flag for timer interrupts 2009-11-02 12:00:02 +01:00
kernel MIPS: PowerTV: Fix support for timer interrupts with > 64 external IRQs 2010-01-28 00:03:31 +01:00
lasat MIPS: Lasat: Fix botched changes to sysctl code. 2009-12-17 01:57:37 +00:00
lib MIPS: Fix __ndelay build error and add 'ull' suffix for 32-bit kernel 2009-06-17 11:06:24 +01:00
loongson MIPS: Loongson: Cleanups of serial port support 2009-12-17 01:57:34 +00:00
math-emu MIPS: Collect FPU emulator statistics per-CPU. 2009-12-17 01:57:08 +00:00
mipssim MIPS: Malta, PowerTV: Remove unnecessary "Linux started" 2010-01-12 18:19:36 +01:00
mm MIPS: Cleanup forgotten label_module_alloc in tlbex.c 2010-01-12 18:19:29 +01:00
mti-malta MIPS: Malta, PowerTV: Remove unnecessary "Linux started" 2010-01-12 18:19:36 +01:00
nxp MIPS: Fixup last users of irq_chip->typename 2009-12-17 01:57:21 +00:00
oprofile MIPS: oprofile: Only do performance counter handling for counter interrupts 2009-12-17 01:57:10 +00:00
pci MIPS: eXcite: Remove platform. 2009-12-17 01:57:35 +00:00
pmc-sierra cpumask: arch_send_call_function_ipi_mask: mips 2009-09-24 09:34:45 +09:30
power MIPS: Use PAGE_SIZE in assembly instead of _PAGE_SIZE. 2009-09-17 20:07:48 +02:00
powertv MIPS: PowerTV: Streamline access to platform device registers 2010-01-28 00:03:31 +01:00
rb532 MIPS: Replace all usages of CL_SIZE by COMMAND_LINE_SIZE 2009-12-17 01:56:56 +00:00
sgi-ip22 MIPS: Move several variables from .bss to .init.data 2009-12-17 01:57:27 +00:00
sgi-ip27 mm: make totalhigh_pages unsigned long 2010-01-11 09:34:03 -08:00
sgi-ip32 MIPS: Move several variables from .bss to .init.data 2009-12-17 01:57:27 +00:00
sibyte MIPS: Replace all usages of CL_SIZE by COMMAND_LINE_SIZE 2009-12-17 01:56:56 +00:00
sni MIPS: Move several variables from .bss to .init.data 2009-12-17 01:57:27 +00:00
txx9 MIPS: TXx9: Cleanup builtin-cmdline processing 2010-01-12 18:19:34 +01:00
vr41xx MIPS: VR41xx: Use strlcat() for the command line arguments 2010-01-12 18:19:30 +01:00
Kconfig MIPS: Add support of LZO-compressed kernels 2010-01-28 00:03:30 +01:00
Kconfig.debug MIPS: Fix and enhance built-in kernel command line 2009-12-17 01:57:35 +00:00
Makefile MIPS: eXcite: Remove platform. 2009-12-17 01:57:35 +00:00