linux.git/arch/xtensa/Kconfig, branch v4.4.20

xtensa: add FORCE_MAX_ZONEORDER to Kconfig

2015-11-03T14:19:37+00:00

Make maximal memory allocation order configurable, so that drivers could
allocate huge buffers when they need to.

Signed-off-by: Max Filippov

xtensa: nommu: select HAVE_FUTEX_CMPXCHG

2015-11-02T15:03:07+00:00

Not having HAVE_FUTEX_CMPXCHG makes futex_detect_cmpxchg probe
cmpxchg_futex_value_locked with NULL address. It's not guaranteed to
fault without MMU, instead it locks up on Xtensa when there's no RAM at
address 0.

Select HAVE_FUTEX_CMPXCHG in noMMU Xtensa configurations.

Signed-off-by: Max Filippov

xtensa: nommu: fix default memory start address

2015-11-02T15:03:05+00:00

RAM starts at 0x60000000 on noMMU cores, not at 0x40000000. Fix the
default.

Signed-off-by: Max Filippov

xtensa: implement counting and sampling perf events

2015-08-17T04:33:30+00:00

Xtensa Performance Monitor Module has up to 8 32 bit wide performance
counters. Each counter may be enabled independently and can count any
single type of hardware performance events. Event counting may be enabled
and disabled globally (per PMM).
Each counter has status register with bits indicating if the counter has
been overflown and may be programmed to raise profiling IRQ on overflow.
This IRQ is used to rewind counters and allow for counting more than 2^32
samples for counting events and to report samples for sampling events.

For more details see Tensilica Debug User's Guide, chapter 8
"Performance monitor module".

Cc: Peter Zijlstra 
Cc: Paul Mackerras 
Cc: Ingo Molnar 
Cc: Arnaldo Carvalho de Melo 
Signed-off-by: Max Filippov

xtensa: select PERF_USE_VMALLOC for cache-aliasing configurations

2015-08-17T04:32:51+00:00

Signed-off-by: Max Filippov

xtensa: clean up Kconfig dependencies for custom cores

2015-08-17T04:32:46+00:00

Signed-off-by: Max Filippov

xtensa: reimplement DMA API using common helpers

2015-08-17T04:31:00+00:00

- keep existing functionality: don't handle attributes, don't support
  high memory;
- implement scatterlist primitives (map/unmap/sync);
- enable DMA API debug.

Signed-off-by: Max Filippov

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial

2015-06-23T21:08:54+00:00

Pull trivial tree updates from Jiri Kosina:
 "As usual, mostly comment, kerneldoc and printk() fixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial:
  lpfc: Grammar s/an negative/a negative/
  ARM: lib/lib1funcs.S: fix typo s/substractions/subtractions/
  cx25821: cx25821-medusa-reg.h: fix 0x0x prefix
  lib: crc-itu-t.[ch] fix 0x0x prefix in integer constants
  rapidio: Fix kerneldoc and comment
  qla4xxx: Fix printk() in qla4_83xx_read_reset_template() and qla4_83xx_pre_loopback_config()
  treewide: Kconfig: fix wording / spelling
  usb/serial: fix grammar in Kconfig help text for FTDI_SIO
  megaraid_sas: fix kerneldoc
  netfilter: ebtables: fix comment grammar
  drm/radeon: fix comment
  isdn: fix grammar in comment
  ARM: KVM: fix comment

treewide: Kconfig: fix wording / spelling

2015-05-26T13:17:35+00:00

This patch fix spelling typos in Kconfig.

Signed-off-by: Masanari Iida 
Signed-off-by: Jiri Kosina

xtensa: xtfpga: fix hardware lockup caused by LCD driver

2015-02-27T04:55:29+00:00

LCD driver is always built for the XTFPGA platform, but its base address
is not configurable, and is wrong for ML605/KC705. Its initialization
locks up KC705 board hardware.

Make the whole driver optional, and its base address and bus width
configurable. Implement 4-bit bus access method.

Cc: stable@vger.kernel.org
Signed-off-by: Max Filippov