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drivers: clk: clk-imx6.c: Don't gate LDB and IPUs 

Depending on CONFIG_DRIVER_VIDEO_IMX_IPUV3 to decide whether to
gate IPU clocks or not is rather fragile. Any inadvertent
dependency on the IPU (like setting the NoC AQoS registers for
i.MX6QP) will result in a freeze if CONFIG_DRIVER_VIDEO_IMX_IPUV3
is disabled.

Signed-off-by: David Jander <david@protonic.nl>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
David Jander 2017-03-03 08:33:53 +01:00 committed by Sascha Hauer
parent 3ca576cc4a
commit 0482159e9a
1 changed files with 1 additions and 4 deletions
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5
drivers/clk/imx/clk-imx6.c
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@ -494,10 +494,7 @@ static int imx6_ccm_probe(struct device_d *dev)
writel(0xffffffff, ccm_base + CCGR0);
writel(0xf0ffffff, ccm_base + CCGR1); /* gate GPU3D, GPU2D */
writel(0xffffffff, ccm_base + CCGR2);
if (IS_ENABLED(CONFIG_DRIVER_VIDEO_IMX_IPUV3))
writel(0x3fffffff, ccm_base + CCGR3); /* gate OpenVG */
else
writel(0x3fff0000, ccm_base + CCGR3); /* gate OpenVG, LDB, IPU1, IPU2 */
writel(0x3fffffff, ccm_base + CCGR3); /* gate OpenVG */
if (IS_ENABLED(CONFIG_PCI_IMX6))
writel(0xffffffff, ccm_base + CCGR4);
else