Commit graph

12 commits

Author SHA1 Message Date
Thomas Gleixner a5a1d1c291 clocksource: Use a plain u64 instead of cycle_t
There is no point in having an extra type for extra confusion. u64 is
unambiguous.

Conversion was done with the following coccinelle script:

@rem@
@@
-typedef u64 cycle_t;

@fix@
typedef cycle_t;
@@
-cycle_t
+u64

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: John Stultz <john.stultz@linaro.org>
2016-12-25 11:04:12 +01:00
Arnd Bergmann 069013a9e2 nios2: fix timer initcall return value
When called more than twice, the nios2_time_init() function return an
uninitialized value, as detected by gcc -Wmaybe-uninitialized

  arch/nios2/kernel/time.c: warning: 'ret' may be used uninitialized in this function

This makes it return '0' here, matching the comment above the function.

Acked-by: Ley Foon Tan <lftan@altera.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-11-11 08:45:08 -08:00
Daniel Lezcano 177cf6e52b clocksources: Switch back to the clksrc table
All the clocksource drivers's init function are now converted to return
an error code. CLOCKSOURCE_OF_DECLARE is no longer used as well as the
clksrc-of table.

Let's convert back the names:
 - CLOCKSOURCE_OF_DECLARE_RET => CLOCKSOURCE_OF_DECLARE
 - clksrc-of-ret              => clksrc-of

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>

For exynos_mct and samsung_pwm_timer:
Acked-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>

For arch/arc:
Acked-by: Vineet Gupta <vgupta@synopsys.com>

For mediatek driver:
Acked-by: Matthias Brugger <matthias.bgg@gmail.com>

For the Rockchip-part
Acked-by: Heiko Stuebner <heiko@sntech.de>

For STi :
Acked-by: Patrice Chotard <patrice.chotard@st.com>

For the mps2-timer.c and versatile.c changes:
Acked-by: Liviu Dudau <Liviu.Dudau@arm.com>

For the OXNAS part :
Acked-by: Neil Armstrong <narmstrong@baylibre.com>

For LPC32xx driver:
Acked-by: Sylvain Lemieux <slemieux.tyco@gmail.com>

For Broadcom Kona timer change:
Acked-by: Ray Jui <ray.jui@broadcom.com>

For Sun4i and Sun5i:
Acked-by: Chen-Yu Tsai <wens@csie.org>

For Meson6:
Acked-by: Carlo Caione <carlo@caione.org>

For Keystone:
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>

For NPS:
Acked-by: Noam Camus <noamca@mellanox.com>

For bcm2835:
Acked-by: Eric Anholt <eric@anholt.net>
2016-06-28 10:19:35 +02:00
Daniel Lezcano dd1364a743 clocksource/drivers/nios2: Convert init function to return error
The init functions do not return any error. They behave as the following:

  - panic, thus leading to a kernel crash while another timer may work and
       make the system boot up correctly

  or

  - print an error and let the caller unaware if the state of the system

Change that by converting the init functions to return an error conforming
to the CLOCKSOURCE_OF_RET prototype.

Proper error handling (rollback, errno value) will be changed later case
by case, thus this change just return back an error or success in the init
function.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2016-06-28 10:19:34 +02:00
Marc Zyngier 3722ed2380 clocksource: cosmetic: Drop OF 'dependency' from symbols
Seeing the 'of' characters in a symbol that is being called from
ACPI seems to freak out people. So let's do a bit of pointless
renaming so that these folks do feel at home.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-10-01 02:18:39 +02:00
Viresh Kumar 549a14c14b nios2/time: Migrate to new 'set-state' interface
Migrate nios2 driver to the new 'set-state' interface provided by clockevents core, the earlier 'set-mode' interface is marked obsolete now.

This also enables us to implement callbacks for new states of clockevent devices, for example: ONESHOT_STOPPED.

Cc: Ley Foon Tan <lftan@altera.com>
Cc: Tobias Klauser <tklauser@distanz.ch>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Dmitry Torokhov <dtor@chromium.org>
Cc: nios2-dev@lists.rocketboards.org
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Ley Foon Tan <lftan@altera.com>
2015-09-08 01:30:30 +08:00
Linus Torvalds 31351f73ea nios2 update for v4.2
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Merge tag 'nios2-v4.2' of git://git.rocketboards.org/linux-socfpga-next

Pull nios2 update from Ley Foon Tan:
 "Check number of timer instances"

* tag 'nios2-v4.2' of git://git.rocketboards.org/linux-socfpga-next:
  nios2: check number of timer instances
2015-07-03 12:22:49 -07:00
Ley Foon Tan a8955cc3a5 nios2: check number of timer instances
Display error message if number of timers is less than 2.

Signed-off-by: Ley Foon Tan <lftan@altera.com>
2015-06-24 17:52:44 +08:00
Herbert Xu 05dee9c7eb nios2: Export get_cycles
nios2 is the only architecture that does not inline get_cycles
and does not export it.  This breaks crypto as it uses get_cycles
in a number of modules.

Reported-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-06-09 22:26:00 +08:00
Tobias Klauser 90f49c9da0 nios2: Remove write-only struct member from nios2_timer
The irq member of struct nios2_timer is only written to but
never read, thus it can be removed.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Ley Foon Tan <lftan@altera.com>
2014-12-08 12:56:12 +08:00
Dmitry Torokhov b29438f22c nios2: fix error handling of irq_of_parse_and_map
Return value of irq_of_parse_and_map() is unsigned int, with 0
indicating failure, so testing for negative result never works.

Signed-off-by: Dmitry Torokhov <dtor@chromium.org>
Reviewed-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Ley Foon Tan <lftan@altera.com>
2014-12-08 12:56:08 +08:00
Ley Foon Tan 4182de9e63 nios2: Time keeping
Add time keeping code for nios2.

Signed-off-by: Ley Foon Tan <lftan@altera.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2014-12-08 12:56:01 +08:00