Hi Laurent,
On Wed, Jul 31, 2013 at 05:52:32PM +0200, Laurent Pinchart wrote:
...
> +static int vsp1_device_init(struct vsp1_device *vsp1)
> +{
> + unsigned int i;
> + u32 status;
> +
> + /* Reset any channel that might be running. */
> + status = vsp1_read(vsp1, VI6_STATUS);
> +
> + for (i = 0; i < VPS1_MAX_WPF; ++i) {
> + unsigned int timeout;
> +
> + if (!(status & VI6_STATUS_SYS_ACT(i)))
> + continue;
> +
> + vsp1_write(vsp1, VI6_SRESET, VI6_SRESET_SRTS(i));
> + for (timeout = 10; timeout > 0; --timeout) {
> + status = vsp1_read(vsp1, VI6_STATUS);
> + if (!(status & VI6_STATUS_SYS_ACT(i)))
> + break;
> +
> + usleep_range(1000, 2000);
> + }
> +
> + if (timeout) {
As discussed, with s/timeout/!timeout/,
Acked-by: Sakari Ailus <sakari.ai...@iki.fi>
> + dev_err(vsp1->dev, "failed to reset wpf.%u\n", i);
> + return -ETIMEDOUT;
> + }
> + }
> +
> + vsp1_write(vsp1, VI6_CLK_DCSWT, (8 << VI6_CLK_DCSWT_CSTPW_SHIFT) |
> + (8 << VI6_CLK_DCSWT_CSTRW_SHIFT));
> +
> + for (i = 0; i < VPS1_MAX_RPF; ++i)
> + vsp1_write(vsp1, VI6_DPR_RPF_ROUTE(i), VI6_DPR_NODE_UNUSED);
> +
> + for (i = 0; i < VPS1_MAX_UDS; ++i)
> + vsp1_write(vsp1, VI6_DPR_UDS_ROUTE(i), VI6_DPR_NODE_UNUSED);
> +
> + vsp1_write(vsp1, VI6_DPR_SRU_ROUTE, VI6_DPR_NODE_UNUSED);
> + vsp1_write(vsp1, VI6_DPR_LUT_ROUTE, VI6_DPR_NODE_UNUSED);
> + vsp1_write(vsp1, VI6_DPR_CLU_ROUTE, VI6_DPR_NODE_UNUSED);
> + vsp1_write(vsp1, VI6_DPR_HST_ROUTE, VI6_DPR_NODE_UNUSED);
> + vsp1_write(vsp1, VI6_DPR_HSI_ROUTE, VI6_DPR_NODE_UNUSED);
> + vsp1_write(vsp1, VI6_DPR_BRU_ROUTE, VI6_DPR_NODE_UNUSED);
> +
> + vsp1_write(vsp1, VI6_DPR_HGO_SMPPT, (7 << VI6_DPR_SMPPT_TGW_SHIFT) |
> + (VI6_DPR_NODE_UNUSED << VI6_DPR_SMPPT_PT_SHIFT));
> + vsp1_write(vsp1, VI6_DPR_HGT_SMPPT, (7 << VI6_DPR_SMPPT_TGW_SHIFT) |
> + (VI6_DPR_NODE_UNUSED << VI6_DPR_SMPPT_PT_SHIFT));
> +
> + return 0;
> +}
--
Cheers,
Sakari Ailus
e-mail: sakari.ai...@iki.fi XMPP: sai...@retiisi.org.uk
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