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    SubjectRe: [PATCH v3 2/3] davinci: vpss: dm365: set vpss clk ctrl
    Hi Prabhakar,

    On Wed, Nov 28, 2012 at 04:25:33PM +0530, Prabhakar Lad wrote:
    > From: Manjunath Hadli <manjunath.hadli@ti.com>
    >
    > request_mem_region for VPSS_CLK_CTRL register and ioremap.
    > and enable clocks appropriately.
    >
    > Signed-off-by: Manjunath Hadli <manjunath.hadli@ti.com>
    > Signed-off-by: Lad, Prabhakar <prabhakar.lad@ti.com>
    > ---
    > 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@iki.fi XMPP: sailus@retiisi.org.uk


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