Re: [PATCH v6 3/6] m68k: coldfire: Add clk_get_optional() function

From: Greg Ungerer
Date: Thu Nov 29 2018 - 07:04:01 EST


Hi Phil,

On 17/11/18 12:59 am, Phil Edworthy wrote:
clk_get_optional() returns NULL if not found instead of -ENOENT,
otherwise the behaviour is the same as clk_get().

Signed-off-by: Phil Edworthy <phil.edworthy@xxxxxxxxxxx>

Acked-by: Greg Ungerer <gerg@@linux-m68k.org>

Looks good. Do you want me to take this in the m68knommu git tree?
Or is the whole series going through some other tree?

Regards
Greg



---
arch/m68k/coldfire/clk.c | 11 +++++++++++
1 file changed, 11 insertions(+)

diff --git a/arch/m68k/coldfire/clk.c b/arch/m68k/coldfire/clk.c
index 7bc666e482eb..b221cabc7f54 100644
--- a/arch/m68k/coldfire/clk.c
+++ b/arch/m68k/coldfire/clk.c
@@ -87,6 +87,17 @@ struct clk *clk_get(struct device *dev, const char *id)
}
EXPORT_SYMBOL(clk_get);
+struct clk *clk_get_optional(struct device *dev, const char *id)
+{
+ struct clk *clk = clk_get(dev, id);
+
+ if (clk == ERR_PTR(-ENOENT))
+ clk = NULL;
+
+ return clk;
+}
+EXPORT_SYMBOL(clk_get_optional);
+
int clk_enable(struct clk *clk)
{
unsigned long flags;