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* ARM: imx: Remove epit supportFabio Estevam2018-02-121-228/+0
| | | | | | | | | | | | Currently there is no user of EPIT, so remove such unused code. If someone wants to add EPIT support back, then the person needs to create a proper support into drivers/clocksource/ and add device tree support, proper bindings, etc. Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
* ARM: imx: use endian-safe readl/readw/writel/writewJohannes Berg2016-02-021-11/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instead of __raw_*, define imx_* to *_relaxed and use those. Using imx_* was requested by Arnd because *_relaxed tends to indicate that the code was carefully reviewed to not require any synchronisation and otherwise be safe, which isn't the case here with the automatic conversion. The conversion itself was done using the following spatch (since that automatically adjusts the coding style unlike a simple search&replace). @@ expression E1, E2; @@ -__raw_writel(E1, E2) +imx_writel(E1, E2) @@ expression E1, E2; @@ -__raw_writew(E1, E2) +imx_writew(E1, E2) @@ expression E1; @@ -__raw_readl(E1) +imx_readl(E1) @@ expression E1; @@ -__raw_readw(E1) +imx_readw(E1) Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
* ARM/imx/epit: Migrate to new 'set-state' interfaceViresh Kumar2015-07-171-32/+35
| | | | | | | | | | | | | | | | | | Migrate imx 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. Also drop 'clockevent_mode': It was caching the last state of the clockevent device. The same behavior can be achieved by using clockevents state helpers. These helpers are only required for oneshot mode as shutdown/resume wouldn't be done twice by the core. Cc: Shawn Guo <shawnguo@kernel.org> Cc: Sascha Hauer <kernel@pengutronix.de> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
* ARM: imx: remove IRQF_DISABLEDMichael Opdenacker2013-10-211-1/+1
| | | | | | | | | | This flag is a NOOP since 2.6.35 and can be removed. This is an update for 3.11 of a patch already sent for 3.10 Signed-off-by: Michael Opdenacker <michael.opdenacker@free-electrons.com> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
* ARM: use clockevents_config_and_register() where possibleShawn Guo2013-01-141-12/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The clockevent core is able to figure out the best mult and shift, calculate min_delta_ns and max_delta_ns, with the necessary info passed into clockevents_config_and_register(). Use this combined configure and register function where possible to make the codes less error prone and gain some positive diff stat. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Cc: Nicolas Ferre <nicolas.ferre@atmel.com> Reviewed-by: Anton Vorontsov <cbouatmailru@gmail.com> Acked-by: Kukjin Kim <kgene.kim@samsung.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Jason Cooper <jason@lakedaemon.net> Tested-by: Roland Stigge <stigge@antcom.de> Acked-by: Eric Miao <eric.y.miao@gmail.com> Cc: Haojian Zhuang <haojian.zhuang@gmail.com> Cc: David Brown <davidb@codeaurora.org> Tested-by: Tony Lindgren <tony@atomide.com> Acked-by: Barry Song <baohua.song@csr.com> Tested-by: Stephen Warren <swarren@nvidia.com> Acked-by: Tony Prisk <linux@prisktech.co.nz> Cc: Lennert Buytenhek <buytenh@wantstofly.org> Cc: Wan ZongShun <mcuos.com@gmail.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Jason Cooper <jason@lakedaemon.net> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Olof Johansson <olof@lixom.net>
* ARM: imx: include hardware.h rather than mach/hardware.hShawn Guo2012-10-151-2/+1
| | | | | | | | | | | It moves a bunch of header files included in hardware.h and itself from mach-imx/include/mach to mach-imx, and updates users to include hardware.h rather than mach/hardware.h. The files in mach-imx/devices will need to include "../hardware.h". Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Acked-by: Arnd Bergmann <arnd@arndb.de>
* ARM: imx: include common.h rather than mach/common.hShawn Guo2012-10-151-1/+2
| | | | | | | | | | | | Rename mach-imx/include/mach/common.h to mach-imx/common.h and update all users to include common.h rather than mach/common.h. It also removes an unneeded inclusion to common.h in mach-imx/devices/devices.c. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Acked-by: Arnd Bergmann <arnd@arndb.de>
* ARM: imx: merge plat-mxc into mach-imxShawn Guo2012-10-151-0/+234
It's really unnecessary to have plat-mxc, and let's merge it into mach-imx. It's pretty much just a bunch of file renaming and Kconfig/Makefile merge. To make the change less invasive, we keep using Kconfig symbol CONFIG_ARCH_MXC for mach-imx sub-architecture. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Acked-by: Arnd Bergmann <arnd@arndb.de>