diff options
| author | Prashant Gaikwad <pgaikwad@nvidia.com> | 2013-01-04 12:30:52 +0530 |
|---|---|---|
| committer | Mike Turquette <mturquette@linaro.org> | 2013-01-24 11:09:28 -0800 |
| commit | f2f6c2556dcc432e50003bc8fa4d62d95906f149 (patch) | |
| tree | b0ffefa1b14c1c9a0435adbd81753cca9b6fed97 /drivers/clk/clk.c | |
| parent | 4cfe54e57910b59444d34a05284db27df416f20b (diff) | |
| download | lwn-f2f6c2556dcc432e50003bc8fa4d62d95906f149.tar.gz lwn-f2f6c2556dcc432e50003bc8fa4d62d95906f149.zip | |
clk: add common of_clk_init() function
Modify of_clk_init function so that it will determine which
driver to initialize based on device tree instead of each driver
registering to it.
Based on a similar patch for drivers/irqchip by Thomas Petazzoni and
drivers/clocksource by Stephen Warren.
Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Tested-by: Tony Prisk <linux@prisktech.co.nz>
Tested-by: Pawel Moll <pawel.moll@arm.com>
Tested-by: Rob Herring <rob.herring@calxeda.com>
Tested-by: Josh Cartwright <josh.cartwright@ni.com>
Reviewed-by: Josh Cartwright <josh.cartwright@ni.com>
Acked-by: Maxime Ripard <maxime.ripard@anandra.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
[mturquette@linaro.org: merge conflict from missing CLKSRC_OF_TABLES()]
Signed-off-by: Mike Turquette <mturquette@linaro.org>
Diffstat (limited to 'drivers/clk/clk.c')
| -rw-r--r-- | drivers/clk/clk.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index ad2ac94fede8..fabbfe1a9253 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -18,6 +18,7 @@ #include <linux/slab.h> #include <linux/of.h> #include <linux/device.h> +#include <linux/init.h> static DEFINE_SPINLOCK(enable_lock); static DEFINE_MUTEX(prepare_lock); @@ -1803,6 +1804,11 @@ struct of_clk_provider { void *data; }; +extern struct of_device_id __clk_of_table[]; + +static const struct of_device_id __clk_of_table_sentinel + __used __section(__clk_of_table_end); + static LIST_HEAD(of_clk_providers); static DEFINE_MUTEX(of_clk_lock); @@ -1931,6 +1937,9 @@ void __init of_clk_init(const struct of_device_id *matches) { struct device_node *np; + if (!matches) + matches = __clk_of_table; + for_each_matching_node(np, matches) { const struct of_device_id *match = of_match_node(matches, np); of_clk_init_cb_t clk_init_cb = match->data; |