video: da8xx-fb: clk_get on connection id fck

do clk_get on connection id "fck" to support OMAP based
platforms having multiple clocks for module. Without this
driver change clk_get fails on am335x.

This patch is based on the discussion in community
http://marc.info/?l=linux-kernel&m=135166018907827&w=2

Signed-off-by: Manjunathappa <prakash.pm@ti.com>
Cc: Vaibhav Hiremath <hvaibhav@ti.com>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c
index 3fd9ec5f993a..f2ceb65f523b 100644
--- a/drivers/video/da8xx-fb.c
+++ b/drivers/video/da8xx-fb.c
@@ -1248,7 +1248,7 @@ static int __devinit fb_probe(struct platform_device *device)
                 goto err_request_mem;
         }
 
-        fb_clk = clk_get(&device->dev, NULL);
+        fb_clk = clk_get(&device->dev, "fck");
         if (IS_ERR(fb_clk)) {
                 dev_err(&device->dev, "Can not get device clock\n");
                 ret = -ENODEV;