In omap4, there is no explicit configuration register to enable mailbox clocks.
Defining dummy clock for mailbox clock module to keep the mailbox driver
backward compatible with previous omaps.

Signed-off-by: Hari Kanigeri <h-kanige...@ti.com>
---
 arch/arm/mach-omap2/clock44xx_data.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-omap2/clock44xx_data.c 
b/arch/arm/mach-omap2/clock44xx_data.c
index e10db7a..bdd9b85 100644
--- a/arch/arm/mach-omap2/clock44xx_data.c
+++ b/arch/arm/mach-omap2/clock44xx_data.c
@@ -2687,6 +2687,7 @@ static struct omap_clk omap44xx_clks[] = {
        CLK(NULL,       "uart3_ick",                    &dummy_ck,      
CK_443X),
        CLK(NULL,       "uart4_ick",                    &dummy_ck,      
CK_443X),
        CLK("omap_wdt", "ick",                          &dummy_ck,      
CK_443X),
+       CLK(NULL,       "mailboxes_ick",        &dummy_ck,      CK_443X),
 };
 
 int __init omap4xxx_clk_init(void)
-- 
1.7.0

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