From: Magnus Damm <magnus.damm@gmail.com>
To: linux-sh@vger.kernel.org
Subject: [PATCH 01/09] sh: div4 reparent workaround
Date: Tue, 11 May 2010 07:05:09 +0000 [thread overview]
Message-ID: <20100511070509.20792.80390.sendpatchset@t400s> (raw)
From: Magnus Damm <damm@opensource.se>
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>
---
arch/sh/kernel/cpu/clock-cpg.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
--- 0001/arch/sh/kernel/cpu/clock-cpg.c
+++ work/arch/sh/kernel/cpu/clock-cpg.c 2010-05-11 14:38:56.000000000 +0900
@@ -168,7 +168,12 @@ static int sh_clk_div4_set_parent(struct
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);
reply other threads:[~2010-05-11 7:05 UTC|newest]
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