Hi Prabhakar,
On Wed, Nov 28, 2012 at 04:25:33PM +0530, Prabhakar Lad wrote:
> From: Manjunath Hadli <manjunath.hadli@xxxxxx>
>
> request_mem_region for VPSS_CLK_CTRL register and ioremap.
> and enable clocks appropriately.
>
> Signed-off-by: Manjunath Hadli <manjunath.hadli@xxxxxx>
> Signed-off-by: Lad, Prabhakar <prabhakar.lad@xxxxxx>
> ---
> drivers/media/platform/davinci/vpss.c | 14 ++++++++++++++
> 1 files changed, 14 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/media/platform/davinci/vpss.c b/drivers/media/platform/davinci/vpss.c
> index 34ad7bd..a36d694 100644
> --- a/drivers/media/platform/davinci/vpss.c
> +++ b/drivers/media/platform/davinci/vpss.c
> @@ -103,6 +103,7 @@ struct vpss_hw_ops {
> struct vpss_oper_config {
> __iomem void *vpss_regs_base0;
> __iomem void *vpss_regs_base1;
> + resource_size_t *vpss_regs_base2;
> enum vpss_platform_type platform;
> spinlock_t vpss_lock;
> struct vpss_hw_ops hw_ops;
> @@ -484,11 +485,24 @@ static struct platform_driver vpss_driver = {
>
> static void vpss_exit(void)
> {
> + iounmap(oper_cfg.vpss_regs_base2);
> + release_mem_region(*oper_cfg.vpss_regs_base2, 4);
release_mem_region(VPSS_CLK_CTRL, 4);?
> platform_driver_unregister(&vpss_driver);
> }
>
> +#define VPSS_CLK_CTRL 0x01c40044
> +#define VPSS_CLK_CTRL_VENCCLKEN BIT(3)
> +#define VPSS_CLK_CTRL_DACCLKEN BIT(4)
> +
> static int __init vpss_init(void)
> {
> + if (request_mem_region(VPSS_CLK_CTRL, 4, "vpss_clock_control")) {
if (!request_mem_region())
return -EBUSY;
...
> + oper_cfg.vpss_regs_base2 = ioremap(VPSS_CLK_CTRL, 4);
> + __raw_writel(VPSS_CLK_CTRL_VENCCLKEN |
> + VPSS_CLK_CTRL_DACCLKEN, oper_cfg.vpss_regs_base2);
> + } else {
> + return -EBUSY;
> + }
> return platform_driver_register(&vpss_driver);
> }
> subsys_initcall(vpss_init);
--
Sakari Ailus
e-mail: sakari.ailus@xxxxxx XMPP: sailus@xxxxxxxxxxxxxx
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