Re: [PATCH 04/14] reset: Add reset_controller_of_init() function
From: Philipp Zabel <p.zabel@pengutronix.de>
Date: 2015-02-13 11:49:47
Also in:
linux-api, linux-arch, linux-arm-kernel, linux-gpio, linux-serial, lkml
Hi Maxime, Am Donnerstag, den 12.02.2015, 18:45 +0100 schrieb Maxime Coquelin:
quoted hunk ↗ jump to hunk
Some platforms need to initialize the reset controller before the timers. This patch introduces a reset_controller_of_init() function that can be called before the timers intialization. Signed-off-by: Maxime Coquelin <mcoquelin.stm32@gmail.com> --- drivers/reset/core.c | 20 ++++++++++++++++++++ include/asm-generic/vmlinux.lds.h | 4 +++- include/linux/reset-controller.h | 6 ++++++ 3 files changed, 29 insertions(+), 1 deletion(-)diff --git a/drivers/reset/core.c b/drivers/reset/core.c index 7955e00..18ee579 100644 --- a/drivers/reset/core.c +++ b/drivers/reset/core.c@@ -86,6 +86,26 @@ void reset_controller_unregister(struct reset_controller_dev *rcdev) } EXPORT_SYMBOL_GPL(reset_controller_unregister); +extern struct of_device_id __reset_ctrl_of_table[]; + +static const struct of_device_id __reset_ctrl_of_table_sentinel + __used __section(__reset_ctrl_of_table_end); + +void __init reset_controller_of_init(void)
The patch looks fine to me, but this function is missing a kerneldoc comment.
+{
+ struct device_node *np;
+ const struct of_device_id *match;
+ of_init_fn_1 init_func;
+
+ for_each_matching_node_and_match(np, __reset_ctrl_of_table, &match) {
+ if (!of_device_is_available(np))
+ continue;
+
+ init_func = match->data;
+ init_func(np);
+ }
+}
+
/**
* reset_control_reset - reset the controlled device
* @rstc: reset controllerregards Philipp