On Thu, Jun 16, 2011 at 10:14:40AM +0200, Linus Walleij wrote:
> From: Rabin Vincent <[email protected]>
>
> Insert notifiers for the runtime PM API. With this the runtime
> PM layer kicks in to action where used.
>
> Signed-off-by: Rabin Vincent <[email protected]>
> Reviewed-by: Virupax Sadashivpetimath
> <[email protected]>
> Reviewed-by: Jonas Aberg <[email protected]>
> Reviewed-by: Srinidhi Kasagar <[email protected]>
> [Rebased to Linux 3.0-rc3, edit description]
> Signed-off-by: Linus Walleij <[email protected]>
Applied, thanks.
g.
> ---
> drivers/spi/spi-pl022.c | 6 ++++++
> 1 files changed, 6 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c
> index ac7c727..48fa8b0 100644
> --- a/drivers/spi/spi-pl022.c
> +++ b/drivers/spi/spi-pl022.c
> @@ -40,6 +40,7 @@
> #include <linux/dmaengine.h>
> #include <linux/dma-mapping.h>
> #include <linux/scatterlist.h>
> +#include <linux/pm_runtime.h>
>
> /*
> * This macro is used to define some register default values.
> @@ -517,6 +518,7 @@ static void giveback(struct pl022 *pl022)
> clk_disable(pl022->clk);
> amba_pclk_disable(pl022->adev);
> amba_vcore_disable(pl022->adev);
> + pm_runtime_put(&pl022->adev->dev);
> }
>
> /**
> @@ -1542,6 +1544,7 @@ static void pump_messages(struct work_struct *work)
> * and core will be disabled when giveback() is called in each method
> * (poll/interrupt/DMA)
> */
> + pm_runtime_get_sync(&pl022->adev->dev);
> amba_vcore_enable(pl022->adev);
> amba_pclk_enable(pl022->adev);
> clk_enable(pl022->clk);
> @@ -2143,6 +2146,8 @@ pl022_probe(struct amba_device *adev, const struct
> amba_id *id)
> }
> printk(KERN_INFO "pl022: mapped registers from 0x%08x to %p\n",
> adev->res.start, pl022->virtbase);
> + pm_runtime_enable(dev);
> + pm_runtime_resume(dev);
>
> pl022->clk = clk_get(&adev->dev, NULL);
> if (IS_ERR(pl022->clk)) {
> @@ -2204,6 +2209,7 @@ pl022_probe(struct amba_device *adev, const struct
> amba_id *id)
> destroy_queue(pl022);
> pl022_dma_remove(pl022);
> free_irq(adev->irq[0], pl022);
> + pm_runtime_disable(&adev->dev);
> err_no_irq:
> clk_put(pl022->clk);
> err_no_clk:
> --
> 1.7.3.2
>
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