Commit Graph

5 Commits

Author SHA1 Message Date
Shawn Guo c1e31d126b ARM: imx: create mxc_arch_reset_init_dt() for DT boot
The mxc_arch_reset_init() uses static mapping and calls clk_get_sys() to
get clock.  It's suitable for non-DT boot but not for DT boot where
dynamic mapping and of_clk_get() should be used instead.  Create
mxc_arch_reset_init_dt() as the DT variant of mxc_arch_reset_init(),
and change DT platforms to use it.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-06-17 15:45:10 +08:00
Shawn Guo 18cb680f1a ARM: imx: move clk_prepare() out from mxc_restart()
It's inappropriate to call clk_prepare() in mxc_restart(), because the
restart routine could be called in atomic context.  Move clk_get() and
clk_prepare() into mxc_arch_reset_init() and only have the atomic part
clk_enable() be called in mxc_restart().

As a result, mxc_arch_reset_init() needs to be called after clk gets
initialized.

While there, it also changes printk(KERN_ERR ...) to pr_err() and adds
__init annotation for mxc_arch_reset_init().

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-06-17 15:45:10 +08:00
Sascha Hauer 42b8432842 ARM: i.MX25: Fix DT compilation
The i.MX25 DT machine descriptor calls a non existing imx25_timer_init()
function. This patch adds it to fix compilation.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2013-03-14 12:52:39 +01:00
Stephen Warren 6bb27d7349 ARM: delete struct sys_timer
Now that the only field in struct sys_timer is .init, delete the struct,
and replace the machine descriptor .timer field with the initialization
function itself.

This will enable moving timer drivers into drivers/clocksource without
having to place a public prototype of each struct sys_timer object into
include/linux; the intent is to create a single of_clocksource_init()
function that determines which timer driver to initialize by scanning
the device dtree, much like the proposed irqchip_init() at:
http://www.spinics.net/lists/arm-kernel/msg203686.html

Includes mach-omap2 fixes from Igor Grinberg.

Tested-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-12-24 09:36:38 -07:00
Sascha Hauer ef4bac5532 ARM i.MX25: Add devicetree support
This adds a i.MX25 dt machine descriptor and changes the clock
support to optionally initialize from dt.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
2012-11-12 12:11:17 +01:00