sh: div4 reparent workaround

Update the div4 set_parent() callback to use the
flags instead of name to determine parent index.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 6 insertions, 1 deletions

diff --git a/arch/sh/kernel/cpu/clock-cpg.c b/arch/sh/kernel/cpu/clock-cpg.c
index 17a73ad7a20d..0b165f6ae08c 100644
--- a/arch/sh/kernel/cpu/clock-cpg.c
+++ b/arch/sh/kernel/cpu/clock-cpg.c
@@ -168,7 +168,12 @@ static int sh_clk_div4_set_parent(struct clk *clk, struct clk *parent)
         u32 value;
         int ret;
 
-        if (!strcmp("pll_clk", parent->name))
+        /* we really need a better way to determine parent index, but for
+         * now assume internal parent comes with CLK_ENABLE_ON_INIT set,
+         * no CLK_ENABLE_ON_INIT means external clock...
+         */
+
+        if (parent->flags & CLK_ENABLE_ON_INIT)
                 value = __raw_readl(clk->enable_reg) & ~(1 << 7);
         else
                 value = __raw_readl(clk->enable_reg) | (1 << 7);