On Thu, Oct 30, 2014 at 04:09:13PM +0200, Laurent Pinchart wrote:
> Now that all platforms instantiate the VSP1 through DT, platform data
> support isn't needed anymore.
>
> Signed-off-by: Laurent Pinchart <laurent.pinchart+rene...@ideasonboard.com>
Very nice :)
Acked-by: Simon Horman <horms+rene...@verge.net.au>
> ---
> drivers/media/platform/Kconfig | 2 +-
> drivers/media/platform/vsp1/vsp1.h | 14 +++++-
> drivers/media/platform/vsp1/vsp1_drv.c | 81
> ++++++++++++----------------------
> drivers/media/platform/vsp1/vsp1_wpf.c | 2 +-
> include/linux/platform_data/vsp1.h | 27 ------------
> 5 files changed, 43 insertions(+), 83 deletions(-)
> delete mode 100644 include/linux/platform_data/vsp1.h
>
> diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig
> index 0c61155699f7..0c301d8ded7f 100644
> --- a/drivers/media/platform/Kconfig
> +++ b/drivers/media/platform/Kconfig
> @@ -231,7 +231,7 @@ config VIDEO_SH_VEU
> config VIDEO_RENESAS_VSP1
> tristate "Renesas VSP1 Video Processing Engine"
> depends on VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API && HAS_DMA
> - depends on ARCH_SHMOBILE || COMPILE_TEST
> + depends on (ARCH_SHMOBILE && OF) || COMPILE_TEST
> select VIDEOBUF2_DMA_CONTIG
> ---help---
> This is a V4L2 driver for the Renesas VSP1 video processing engine.
> diff --git a/drivers/media/platform/vsp1/vsp1.h
> b/drivers/media/platform/vsp1/vsp1.h
> index 12467191dff4..989e96f7e360 100644
> --- a/drivers/media/platform/vsp1/vsp1.h
> +++ b/drivers/media/platform/vsp1/vsp1.h
> @@ -16,7 +16,6 @@
> #include <linux/io.h>
> #include <linux/list.h>
> #include <linux/mutex.h>
> -#include <linux/platform_data/vsp1.h>
>
> #include <media/media-device.h>
> #include <media/v4l2-device.h>
> @@ -40,9 +39,20 @@ struct vsp1_uds;
> #define VSP1_MAX_UDS 3
> #define VSP1_MAX_WPF 4
>
> +#define VSP1_HAS_LIF (1 << 0)
> +#define VSP1_HAS_LUT (1 << 1)
> +#define VSP1_HAS_SRU (1 << 2)
> +
> +struct vsp1_platform_data {
> + unsigned int features;
> + unsigned int rpf_count;
> + unsigned int uds_count;
> + unsigned int wpf_count;
> +};
> +
> struct vsp1_device {
> struct device *dev;
> - struct vsp1_platform_data *pdata;
> + struct vsp1_platform_data pdata;
>
> void __iomem *mmio;
> struct clk *clock;
> diff --git a/drivers/media/platform/vsp1/vsp1_drv.c
> b/drivers/media/platform/vsp1/vsp1_drv.c
> index 3e6601b5b4de..d1911f8f1d55 100644
> --- a/drivers/media/platform/vsp1/vsp1_drv.c
> +++ b/drivers/media/platform/vsp1/vsp1_drv.c
> @@ -40,7 +40,7 @@ static irqreturn_t vsp1_irq_handler(int irq, void *data)
> irqreturn_t ret = IRQ_NONE;
> unsigned int i;
>
> - for (i = 0; i < vsp1->pdata->wpf_count; ++i) {
> + for (i = 0; i < vsp1->pdata.wpf_count; ++i) {
> struct vsp1_rwpf *wpf = vsp1->wpf[i];
> struct vsp1_pipeline *pipe;
> u32 status;
> @@ -181,7 +181,7 @@ static int vsp1_create_entities(struct vsp1_device *vsp1)
>
> list_add_tail(&vsp1->hst->entity.list_dev, &vsp1->entities);
>
> - if (vsp1->pdata->features & VSP1_HAS_LIF) {
> + if (vsp1->pdata.features & VSP1_HAS_LIF) {
> vsp1->lif = vsp1_lif_create(vsp1);
> if (IS_ERR(vsp1->lif)) {
> ret = PTR_ERR(vsp1->lif);
> @@ -191,7 +191,7 @@ static int vsp1_create_entities(struct vsp1_device *vsp1)
> list_add_tail(&vsp1->lif->entity.list_dev, &vsp1->entities);
> }
>
> - if (vsp1->pdata->features & VSP1_HAS_LUT) {
> + if (vsp1->pdata.features & VSP1_HAS_LUT) {
> vsp1->lut = vsp1_lut_create(vsp1);
> if (IS_ERR(vsp1->lut)) {
> ret = PTR_ERR(vsp1->lut);
> @@ -201,7 +201,7 @@ static int vsp1_create_entities(struct vsp1_device *vsp1)
> list_add_tail(&vsp1->lut->entity.list_dev, &vsp1->entities);
> }
>
> - for (i = 0; i < vsp1->pdata->rpf_count; ++i) {
> + for (i = 0; i < vsp1->pdata.rpf_count; ++i) {
> struct vsp1_rwpf *rpf;
>
> rpf = vsp1_rpf_create(vsp1, i);
> @@ -214,7 +214,7 @@ static int vsp1_create_entities(struct vsp1_device *vsp1)
> list_add_tail(&rpf->entity.list_dev, &vsp1->entities);
> }
>
> - if (vsp1->pdata->features & VSP1_HAS_SRU) {
> + if (vsp1->pdata.features & VSP1_HAS_SRU) {
> vsp1->sru = vsp1_sru_create(vsp1);
> if (IS_ERR(vsp1->sru)) {
> ret = PTR_ERR(vsp1->sru);
> @@ -224,7 +224,7 @@ static int vsp1_create_entities(struct vsp1_device *vsp1)
> list_add_tail(&vsp1->sru->entity.list_dev, &vsp1->entities);
> }
>
> - for (i = 0; i < vsp1->pdata->uds_count; ++i) {
> + for (i = 0; i < vsp1->pdata.uds_count; ++i) {
> struct vsp1_uds *uds;
>
> uds = vsp1_uds_create(vsp1, i);
> @@ -237,7 +237,7 @@ static int vsp1_create_entities(struct vsp1_device *vsp1)
> list_add_tail(&uds->entity.list_dev, &vsp1->entities);
> }
>
> - for (i = 0; i < vsp1->pdata->wpf_count; ++i) {
> + for (i = 0; i < vsp1->pdata.wpf_count; ++i) {
> struct vsp1_rwpf *wpf;
>
> wpf = vsp1_wpf_create(vsp1, i);
> @@ -261,7 +261,7 @@ static int vsp1_create_entities(struct vsp1_device *vsp1)
> goto done;
> }
>
> - if (vsp1->pdata->features & VSP1_HAS_LIF) {
> + if (vsp1->pdata.features & VSP1_HAS_LIF) {
> ret = media_entity_create_link(
> &vsp1->wpf[0]->entity.subdev.entity, RWPF_PAD_SOURCE,
> &vsp1->lif->entity.subdev.entity, LIF_PAD_SINK, 0);
> @@ -294,7 +294,7 @@ static int vsp1_device_init(struct vsp1_device *vsp1)
> /* Reset any channel that might be running. */
> status = vsp1_read(vsp1, VI6_STATUS);
>
> - for (i = 0; i < vsp1->pdata->wpf_count; ++i) {
> + for (i = 0; i < vsp1->pdata.wpf_count; ++i) {
> unsigned int timeout;
>
> if (!(status & VI6_STATUS_SYS_ACT(i)))
> @@ -318,10 +318,10 @@ static int vsp1_device_init(struct vsp1_device *vsp1)
> vsp1_write(vsp1, VI6_CLK_DCSWT, (8 << VI6_CLK_DCSWT_CSTPW_SHIFT) |
> (8 << VI6_CLK_DCSWT_CSTRW_SHIFT));
>
> - for (i = 0; i < vsp1->pdata->rpf_count; ++i)
> + for (i = 0; i < vsp1->pdata.rpf_count; ++i)
> vsp1_write(vsp1, VI6_DPR_RPF_ROUTE(i), VI6_DPR_NODE_UNUSED);
>
> - for (i = 0; i < vsp1->pdata->uds_count; ++i)
> + for (i = 0; i < vsp1->pdata.uds_count; ++i)
> vsp1_write(vsp1, VI6_DPR_UDS_ROUTE(i), VI6_DPR_NODE_UNUSED);
>
> vsp1_write(vsp1, VI6_DPR_SRU_ROUTE, VI6_DPR_NODE_UNUSED);
> @@ -428,28 +428,36 @@ static const struct dev_pm_ops vsp1_pm_ops = {
> * Platform Driver
> */
>
> -static int vsp1_validate_platform_data(struct platform_device *pdev,
> - struct vsp1_platform_data *pdata)
> +static int vsp1_parse_dt(struct vsp1_device *vsp1)
> {
> - if (pdata == NULL) {
> - dev_err(&pdev->dev, "missing platform data\n");
> - return -EINVAL;
> - }
> + struct device_node *np = vsp1->dev->of_node;
> + struct vsp1_platform_data *pdata = &vsp1->pdata;
> +
> + if (of_property_read_bool(np, "renesas,has-lif"))
> + pdata->features |= VSP1_HAS_LIF;
> + if (of_property_read_bool(np, "renesas,has-lut"))
> + pdata->features |= VSP1_HAS_LUT;
> + if (of_property_read_bool(np, "renesas,has-sru"))
> + pdata->features |= VSP1_HAS_SRU;
> +
> + of_property_read_u32(np, "renesas,#rpf", &pdata->rpf_count);
> + of_property_read_u32(np, "renesas,#uds", &pdata->uds_count);
> + of_property_read_u32(np, "renesas,#wpf", &pdata->wpf_count);
>
> if (pdata->rpf_count <= 0 || pdata->rpf_count > VSP1_MAX_RPF) {
> - dev_err(&pdev->dev, "invalid number of RPF (%u)\n",
> + dev_err(vsp1->dev, "invalid number of RPF (%u)\n",
> pdata->rpf_count);
> return -EINVAL;
> }
>
> if (pdata->uds_count <= 0 || pdata->uds_count > VSP1_MAX_UDS) {
> - dev_err(&pdev->dev, "invalid number of UDS (%u)\n",
> + dev_err(vsp1->dev, "invalid number of UDS (%u)\n",
> pdata->uds_count);
> return -EINVAL;
> }
>
> if (pdata->wpf_count <= 0 || pdata->wpf_count > VSP1_MAX_WPF) {
> - dev_err(&pdev->dev, "invalid number of WPF (%u)\n",
> + dev_err(vsp1->dev, "invalid number of WPF (%u)\n",
> pdata->wpf_count);
> return -EINVAL;
> }
> @@ -457,33 +465,6 @@ static int vsp1_validate_platform_data(struct
> platform_device *pdev,
> return 0;
> }
>
> -static struct vsp1_platform_data *
> -vsp1_get_platform_data(struct platform_device *pdev)
> -{
> - struct device_node *np = pdev->dev.of_node;
> - struct vsp1_platform_data *pdata;
> -
> - if (!IS_ENABLED(CONFIG_OF) || np == NULL)
> - return pdev->dev.platform_data;
> -
> - pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
> - if (pdata == NULL)
> - return NULL;
> -
> - if (of_property_read_bool(np, "renesas,has-lif"))
> - pdata->features |= VSP1_HAS_LIF;
> - if (of_property_read_bool(np, "renesas,has-lut"))
> - pdata->features |= VSP1_HAS_LUT;
> - if (of_property_read_bool(np, "renesas,has-sru"))
> - pdata->features |= VSP1_HAS_SRU;
> -
> - of_property_read_u32(np, "renesas,#rpf", &pdata->rpf_count);
> - of_property_read_u32(np, "renesas,#uds", &pdata->uds_count);
> - of_property_read_u32(np, "renesas,#wpf", &pdata->wpf_count);
> -
> - return pdata;
> -}
> -
> static int vsp1_probe(struct platform_device *pdev)
> {
> struct vsp1_device *vsp1;
> @@ -499,11 +480,7 @@ static int vsp1_probe(struct platform_device *pdev)
> mutex_init(&vsp1->lock);
> INIT_LIST_HEAD(&vsp1->entities);
>
> - vsp1->pdata = vsp1_get_platform_data(pdev);
> - if (vsp1->pdata == NULL)
> - return -ENODEV;
> -
> - ret = vsp1_validate_platform_data(pdev, vsp1->pdata);
> + ret = vsp1_parse_dt(vsp1);
> if (ret < 0)
> return ret;
>
> diff --git a/drivers/media/platform/vsp1/vsp1_wpf.c
> b/drivers/media/platform/vsp1/vsp1_wpf.c
> index 6e057762c933..b1089d05583a 100644
> --- a/drivers/media/platform/vsp1/vsp1_wpf.c
> +++ b/drivers/media/platform/vsp1/vsp1_wpf.c
> @@ -280,7 +280,7 @@ struct vsp1_rwpf *vsp1_wpf_create(struct vsp1_device
> *vsp1, unsigned int index)
> * except for the WPF0 source link if a LIF is present.
> */
> flags = MEDIA_LNK_FL_ENABLED;
> - if (!(vsp1->pdata->features & VSP1_HAS_LIF) || index != 0)
> + if (!(vsp1->pdata.features & VSP1_HAS_LIF) || index != 0)
> flags |= MEDIA_LNK_FL_IMMUTABLE;
>
> ret = media_entity_create_link(&wpf->entity.subdev.entity,
> diff --git a/include/linux/platform_data/vsp1.h
> b/include/linux/platform_data/vsp1.h
> deleted file mode 100644
> index 63170e2614b3..000000000000
> --- a/include/linux/platform_data/vsp1.h
> +++ /dev/null
> @@ -1,27 +0,0 @@
> -/*
> - * vsp1.h -- R-Car VSP1 Platform Data
> - *
> - * Copyright (C) 2013 Renesas Corporation
> - *
> - * Contact: Laurent Pinchart (laurent.pinch...@ideasonboard.com)
> - *
> - * This program is free software; you can redistribute it and/or modify
> - * it under the terms of the GNU General Public License as published by
> - * the Free Software Foundation; either version 2 of the License, or
> - * (at your option) any later version.
> - */
> -#ifndef __PLATFORM_VSP1_H__
> -#define __PLATFORM_VSP1_H__
> -
> -#define VSP1_HAS_LIF (1 << 0)
> -#define VSP1_HAS_LUT (1 << 1)
> -#define VSP1_HAS_SRU (1 << 2)
> -
> -struct vsp1_platform_data {
> - unsigned int features;
> - unsigned int rpf_count;
> - unsigned int uds_count;
> - unsigned int wpf_count;
> -};
> -
> -#endif /* __PLATFORM_VSP1_H__ */
> --
> Regards,
>
> Laurent Pinchart
>
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