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authorSebastian Hesselbarth <sebastian.hesselbarth@gmail.com>2013-08-27 14:42:06 +0200
committerSebastian Hesselbarth <sebastian.hesselbarth@gmail.com>2013-09-29 21:09:29 +0200
commit26cae166cff9148cd2cab40f64ed548ba1189a8e (patch)
tree0123ea6e21a91d1c10ef6924c8197e3a246b0b72
parentARM: exynos: remove custom .init_time hook (diff)
downloadlinux-26cae166cff9148cd2cab40f64ed548ba1189a8e.tar.xz
linux-26cae166cff9148cd2cab40f64ed548ba1189a8e.zip
ARM: highbank: remove custom .init_time hook
With arch/arm calling of_clk_init(NULL) from time_init(), we can now remove custom .init_time hooks. Highbank clock provider need a reference to system registers, as a workaround current clk driver maps those independent of arch code now. Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Acked-by: Rob Herring <rob.herring@calxeda.com> Acked-by: Mike Turquette <mturquette@linaro.org>
-rw-r--r--arch/arm/mach-highbank/highbank.c23
-rw-r--r--drivers/clk/clk-highbank.c10
2 files changed, 14 insertions, 19 deletions
diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c
index 8e63ccdb0de3..e6d6eacea9d0 100644
--- a/arch/arm/mach-highbank/highbank.c
+++ b/arch/arm/mach-highbank/highbank.c
@@ -24,7 +24,6 @@
#include <linux/of_platform.h>
#include <linux/of_address.h>
#include <linux/amba/bus.h>
-#include <linux/clk-provider.h>
#include <asm/cacheflush.h>
#include <asm/cputype.h>
@@ -83,20 +82,6 @@ static void __init highbank_init_irq(void)
}
}
-static void __init highbank_timer_init(void)
-{
- struct device_node *np;
-
- /* Map system registers */
- np = of_find_compatible_node(NULL, NULL, "calxeda,hb-sregs");
- sregs_base = of_iomap(np, 0);
- WARN_ON(!sregs_base);
-
- of_clk_init(NULL);
-
- clocksource_of_init();
-}
-
static void highbank_power_off(void)
{
highbank_set_pwr_shutdown();
@@ -155,6 +140,13 @@ static struct notifier_block highbank_platform_nb = {
static void __init highbank_init(void)
{
+ struct device_node *np;
+
+ /* Map system registers */
+ np = of_find_compatible_node(NULL, NULL, "calxeda,hb-sregs");
+ sregs_base = of_iomap(np, 0);
+ WARN_ON(!sregs_base);
+
pm_power_off = highbank_power_off;
highbank_pm_init();
@@ -176,7 +168,6 @@ DT_MACHINE_START(HIGHBANK, "Highbank")
#endif
.smp = smp_ops(highbank_smp_ops),
.init_irq = highbank_init_irq,
- .init_time = highbank_timer_init,
.init_machine = highbank_init,
.dt_compat = highbank_match,
.restart = highbank_restart,
diff --git a/drivers/clk/clk-highbank.c b/drivers/clk/clk-highbank.c
index 2e08cb001936..2e7e9d9798cb 100644
--- a/drivers/clk/clk-highbank.c
+++ b/drivers/clk/clk-highbank.c
@@ -20,8 +20,7 @@
#include <linux/clk-provider.h>
#include <linux/io.h>
#include <linux/of.h>
-
-extern void __iomem *sregs_base;
+#include <linux/of_address.h>
#define HB_PLL_LOCK_500 0x20000000
#define HB_PLL_LOCK 0x10000000
@@ -280,6 +279,7 @@ static __init struct clk *hb_clk_init(struct device_node *node, const struct clk
const char *clk_name = node->name;
const char *parent_name;
struct clk_init_data init;
+ struct device_node *srnp;
int rc;
rc = of_property_read_u32(node, "reg", &reg);
@@ -290,7 +290,11 @@ static __init struct clk *hb_clk_init(struct device_node *node, const struct clk
if (WARN_ON(!hb_clk))
return NULL;
- hb_clk->reg = sregs_base + reg;
+ /* Map system registers */
+ srnp = of_find_compatible_node(NULL, NULL, "calxeda,hb-sregs");
+ hb_clk->reg = of_iomap(srnp, 0);
+ BUG_ON(!hb_clk->reg);
+ hb_clk->reg += reg;
of_property_read_string(node, "clock-output-names", &clk_name);