sh: use common clock framework with device tree boards

Enable common clk framework for DT-based boards and disable code that
depends on the legacy sh clk framework when common clk is enabled.
Once legacy drivers are converted over, the old code can be removed
entirely.

Signed-off-by: Rich Felker <dalias@libc.org>

diff --git a/arch/sh/boards/Kconfig b/arch/sh/boards/Kconfig
index e0db046..e9c2c42 100644 (file)
--- a/arch/sh/boards/Kconfig
+++ b/arch/sh/boards/Kconfig
@@ -11,6 +11,7 @@ config SH_DEVICE_TREE
        select OF
        select OF_EARLY_FLATTREE
        select CLKSRC_OF
+       select COMMON_CLK
        select GENERIC_CALIBRATE_DELAY
        help
          Select Board Described by Device Tree to build a kernel that

diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c
index 4187cf4..fca9b1e 100644 (file)
--- a/arch/sh/kernel/cpu/clock.c
+++ b/arch/sh/kernel/cpu/clock.c
@@ -24,11 +24,13 @@ int __init clk_init(void)
 {
        int ret;
 
+#ifndef CONFIG_COMMON_CLK
        ret = arch_clk_init();
        if (unlikely(ret)) {
                pr_err("%s: CPU clock registration failed.\n", __func__);
                return ret;
        }
+#endif
 
        if (sh_mv.mv_clk_init) {
                ret = sh_mv.mv_clk_init();
@@ -39,11 +41,13 @@ int __init clk_init(void)
                }
        }
 
+#ifndef CONFIG_COMMON_CLK
        /* Kick the child clocks.. */
        recalculate_root_clocks();
 
        /* Enable the necessary init clocks */
        clk_enable_init_clocks();
+#endif
 
        return ret;
 }