clk: at91: propagate rate change on system clks

System clks are just gates, and thus do not provide any rate operations.
Authorize clk rate change to be propagated to system clk parents.

Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>

diff --git a/drivers/clk/at91/clk-system.c b/drivers/clk/at91/clk-system.c
index 8f7c0434a09f6020daf5685a7e07d72190c1a9ca..48c89fe0cfe8cbefacad10049c1bc59156bfa767 100644 (file)
--- a/drivers/clk/at91/clk-system.c
+++ b/drivers/clk/at91/clk-system.c
@@ -84,7 +84,7 @@ at91_clk_register_system(struct at91_pmc *pmc, const char *name,
         * (see drivers/memory) which would request and enable the ddrck clock.
         * When this is done we will be able to remove CLK_IGNORE_UNUSED flag.
         */
-       init.flags = CLK_IGNORE_UNUSED;
+       init.flags = CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED;
 
        sys->id = id;
        sys->hw.init = &init;