On Wed, 27 Jul 2016 08:59:34 +0200
Maxime Ripard [off-list ref] wrote:

On Tue, Jul 26, 2016 at 07:43:06PM +0200, Jean-Francois Moine wrote:

quoted

On Tue, 26 Jul 2016 15:04:26 +0800
Chen-Yu Tsai [off-list ref] wrote:

quoted

Some clock muxes have holes, i.e. invalid or unconnected inputs,
between parent mux values.

Add support for specifying a mux table to map clock parents to
mux values.

Putting empty strings in the holes should work. No?
Ex:

static const char * const csi_mclk_parents[] =
	{ "pll-video0", "pll-video1", "", "", "", "osc24M" };

Not really. The clock would be declared as orphan, while it's really
not.

Parenting functions would also not work as expected,
clk_hw_get_parent_by_index being the obvious example, in that case
returning the empty string for an invalid parent, while it should
really return NULL.

I don't see why the clock should be orphan.
Then, when a parent is "", clk_hw_get_parent_by_index() returns NULL.

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