From 27966ffe43d412483f0823b15b8c035db04969c7 Mon Sep 17 00:00:00 2001
From: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Date: Wed, 4 Sep 2013 14:21:18 +0200
Subject: [PATCH] clk: prima2: declare OF clock provider
Common clock framework allows to register clock providers to get called
on of_clk_init() by using CLK_OF_DECLARE. This converts prima2 clock
provider to make use of it and get rid of the mach specific clk init
call.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Barry Song <baohua.song@csr.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
---
arch/arm/mach-prima2/common.c | 4 ++--
arch/arm/mach-prima2/common.h | 1 -
drivers/clk/clk-prima2.c | 29 ++++++-----------------------
3 files changed, 8 insertions(+), 26 deletions(-)
diff --git a/arch/arm/mach-prima2/common.c b/arch/arm/mach-prima2/common.c
index e110b6d4ae8cd..9b7663d9096f7 100644
--- a/arch/arm/mach-prima2/common.c
+++ b/arch/arm/mach-prima2/common.c
@@ -6,6 +6,7 @@
* Licensed under GPLv2 or later.
*/
+#include <linux/clk-provider.h>
#include <linux/clocksource.h>
#include <linux/init.h>
#include <linux/kernel.h>
@@ -23,8 +24,7 @@ void __init sirfsoc_init_late(void)
static __init void sirfsoc_init_time(void)
{
- /* initialize clocking early, we want to set the OS timer */
- sirfsoc_of_clk_init();
+ of_clk_init(NULL);
clocksource_of_init();
}
diff --git a/arch/arm/mach-prima2/common.h b/arch/arm/mach-prima2/common.h
index a6304858474aa..4b768060a858e 100644
--- a/arch/arm/mach-prima2/common.h
+++ b/arch/arm/mach-prima2/common.h
@@ -23,7 +23,6 @@ extern void sirfsoc_secondary_startup(void);
extern void sirfsoc_cpu_die(unsigned int cpu);
extern void __init sirfsoc_of_irq_init(void);
-extern void __init sirfsoc_of_clk_init(void);
extern void sirfsoc_restart(enum reboot_mode, const char *);
extern asmlinkage void __exception_irq_entry sirfsoc_handle_irq(struct pt_regs *regs);
diff --git a/drivers/clk/clk-prima2.c b/drivers/clk/clk-prima2.c
index 5ab95f1ad5792..6c15e3316137b 100644
--- a/drivers/clk/clk-prima2.c
+++ b/drivers/clk/clk-prima2.c
@@ -1015,16 +1015,6 @@ static struct clk_std clk_usb1 = {
},
};
-static struct of_device_id clkc_ids[] = {
- { .compatible = "sirf,prima2-clkc" },
- {},
-};
-
-static struct of_device_id rsc_ids[] = {
- { .compatible = "sirf,prima2-rsc" },
- {},
-};
-
enum prima2_clk_index {
/* 0 1 2 3 4 5 6 7 8 9 */
rtc, osc, pll1, pll2, pll3, mem, sys, security, dsp, gps,
@@ -1082,24 +1072,16 @@ static struct clk_hw *prima2_clk_hw_array[maxclk] __initdata = {
static struct clk *prima2_clks[maxclk];
static struct clk_onecell_data clk_data;
-void __init sirfsoc_of_clk_init(void)
+static void __init sirfsoc_clk_init(struct device_node *np)
{
- struct device_node *np;
+ struct device_node *rscnp;
int i;
- np = of_find_matching_node(NULL, rsc_ids);
- if (!np)
- panic("unable to find compatible rsc node in dtb\n");
-
- sirfsoc_rsc_vbase = of_iomap(np, 0);
+ rscnp = of_find_compatible_node(NULL, NULL, "sirf,prima2-rsc");
+ sirfsoc_rsc_vbase = of_iomap(rscnp, 0);
if (!sirfsoc_rsc_vbase)
panic("unable to map rsc registers\n");
-
- of_node_put(np);
-
- np = of_find_matching_node(NULL, clkc_ids);
- if (!np)
- return;
+ of_node_put(rscnp);
sirfsoc_clk_vbase = of_iomap(np, 0);
if (!sirfsoc_clk_vbase)
@@ -1124,3 +1106,4 @@ void __init sirfsoc_of_clk_init(void)
of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
}
+CLK_OF_DECLARE(sirfsoc_clk, "sirf,prima2-clkc", sirfsoc_clk_init);
--
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