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path: root/drivers/clocksource/bcm_kona_timer.c
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* clocksource: kona: fix __iomem annotationOlof Johansson2015-01-051-5/+4
| | | | | | | | | | | | | It makes no sense to hide the __iomem annotation from the function that uses it, especially since it causes a sparse warning: drivers/clocksource/bcm_kona_timer.c:118:38: warning: incorrect type in argument 1 (different address spaces) drivers/clocksource/bcm_kona_timer.c:118:38: expected void *timer_base drivers/clocksource/bcm_kona_timer.c:118:38: got void [noderef] <asn:2>*static [toplevel] tmr_regs Signed-off-by: Olof Johansson <olof@lixom.net> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
* clocksource: Kona: Print warning rather than panicTim Kryger2014-02-061-26/+28
| | | | | | | | | | | | | | | Since there may be other clocksources available, this driver should not trigger a panic simply because it can not determine the frequency of an external clock. This change refactors the driver to allow a warning to be printed in this case instead. Signed-off-by: Tim Kryger <tim.kryger@linaro.org> Reviewed-by: Markus Mayer <markus.mayer@linaro.org> Reviewed-by: Matt Porter <matt.porter@linaro.org> Cc: Christian Daudt <bcm@fixthebug.org> Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Link: http://lkml.kernel.org/r/1391559304-26558-1-git-send-email-tim.kryger@linaro.org Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* clocksource: kona: Add basic use of external clockTim Kryger2014-01-311-3/+11
| | | | | | | | | | | | | When an clock is specified in the device tree, enable it and use it to determine the external clock frequency. Signed-off-by: Tim Kryger <tim.kryger@linaro.org> Reviewed-by: Markus Mayer <markus.mayer@linaro.org> Reviewed-by: Matt Porter <matt.porter@linaro.org> Reviewed-by: Christian Daudt <bcm@fixthebug.org> Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Christian Daudt <bcm@fixthebug.org> Signed-off-by: Olof Johansson <olof@lixom.net>
* clocksource: bcm_kona_timer: Remove unused bcm_timer_idsAxel Lin2013-12-111-6/+0
| | | | | | | bcm_timer_ids is no longer used after converting to CLOCKSOURCE_OF_DECLARE. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
* ARM: DT: binding fixup to align with vendor-prefixes.txt (drivers)Christian Daudt2013-08-201-1/+7
| | | | | | | | | | | | | | [ this is a follow-up to this discussion: http://archive.arm.linux.org.uk/lurker/message/20130730.230827.a1ceb12a.en.html ] This patchset renames all uses of "bcm," name bindings to "brcm," as they were done prior to knowing that brcm had already been standardized as Broadcom vendor prefix (in Documentation/devicetree/bindings/vendor-prefixes.txt). This will not cause any churn on devices because none of these bindings have made it into production yet. Signed-off-by: Christian Daudt <csd@broadcom.com> Acked-by: Stephen Warren <swarren@nvidia.com>
* clocksource: kona: adapt to CLOCKSOURCE_OF_DECLARE changeArnd Bergmann2013-06-191-11/+4
| | | | | | | | | | The CLOCKSOURCE_OF_DECLARE functions now take a device_node pointer as their argument, as of the clksrc/cleanup branch in arm-soc. This patch adapts the bcm_kona_timer driver to the new interface. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Christian Daudt <csd@broadcom.com> Cc: John Stultz <john.stultz@linaro.org>
* ARM: bcm281xx: Add timer driver (driver portion)Christian Daudt2013-03-281-0/+211
This adds support for the Broadcom timer, used in the following SoCs: BCM11130, BCM11140, BCM11351, BCM28145, BCM28155 Updates from V6: - Split DT portion into a separate patch Updates from V5: - Rebase to latest arm-soc/for-next Updates from V4: - Switch code to use CLOCKSOURCE_OF_DECLARE Updates from V3: - Migrate to 3.9 timer framework updates Updates from V2: - prepend static fns + fields with kona_ Updates from V1: - Rename bcm_timer.c to bcm_kona_timer.c - Pull .h into bcm_kona_timer.c - Make timers static - Clean up comment block - Switched to using clockevents_config_and_register - Added an error to the get_timer loop if it repeats too much - Added to Documentation/devicetree/bindings/arm/bcm/bcm,kona-timer.txt - Added missing readl to timer_disable_and_clear Note: bcm,kona-timer was kept as the 'compatible' field to make it specific enough for when there are multiple bcm timers (bcm,timer is too generic). Signed-off-by: Christian Daudt <csd@broadcom.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: John Stultz <john.stultz@linaro.org> Reviewed-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: John Stultz <john.stultz@linaro.org>
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