"ext Kalle Jokiniemi" <ext-kalle.jokiniemi@xxxxxxxxx> writes:
> This patch enables MStandby smart-idle mode, autoidle smartidle mode,
> and the autoidle bit for DMA4_OCP_SYSCONFIG.
>
> Signed-off-by: Kalle Jokiniemi <ext-kalle.jokiniemi@xxxxxxxxx>
> ---
> arch/arm/plat-omap/dma.c | 13 +++++++++++++
> arch/arm/plat-omap/include/mach/dma.h | 15 +++++++++++++++
> 2 files changed, 28 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
> index c4e5ba3..9d8d28c 100644
> --- a/arch/arm/plat-omap/dma.c
> +++ b/arch/arm/plat-omap/dma.c
> @@ -2420,6 +2420,19 @@ static int __init omap_init_dma(void)
> if (cpu_class_is_omap2())
> setup_irq(INT_24XX_SDMA_IRQ0, &omap24xx_dma_irq);
>
> + /* Enable smartidle idlemodes and autoidle */
> + if (cpu_is_omap34xx()) {
I think this can be done for omap2 also.
> + u32 v = dma_read(OCP_SYSCONFIG);
> + v &= ~(DMA_SYSCONFIG_MIDLEMODE_MASK |
> + DMA_SYSCONFIG_SIDLEMODE_MASK |
> + DMA_SYSCONFIG_AUTOIDLE);
> + v |= (DMA_SYSCONFIG_MIDLEMODE(DMA_IDLEMODE_SMARTIDLE) |
> + DMA_SYSCONFIG_SIDLEMODE(DMA_IDLEMODE_SMARTIDLE) |
> + DMA_SYSCONFIG_AUTOIDLE);
> + dma_write(v , OCP_SYSCONFIG);
> + }
> +
> +
> /* FIXME: Update LCD DMA to work on 24xx */
> if (cpu_class_is_omap1()) {
> r = request_irq(INT_DMA_LCD, lcd_dma_irq_handler, 0,
> diff --git a/arch/arm/plat-omap/include/mach/dma.h
> b/arch/arm/plat-omap/include/mach/dma.h
--
Jouni Högander
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