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>

diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c
index 8e63ccd..e6d6eac 100644 (file)
--- 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 2e08cb0..2e7e9d9 100644 (file)
--- 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);