diff mbox

drm/sti: remove deprecated sti_vtac.c file

Message ID 1483522006-24382-1-git-send-email-vincent.abriou@st.com (mailing list archive)
State New, archived
Headers show

Commit Message

Vincent Abriou Jan. 4, 2017, 9:26 a.m. UTC
sti_vtac.c file is deprecated since stih416 chip family is not
supported anymore.

Signed-off-by: Vincent Abriou <vincent.abriou@st.com>
---
 drivers/gpu/drm/sti/Makefile   |   1 -
 drivers/gpu/drm/sti/sti_drv.c  |   1 -
 drivers/gpu/drm/sti/sti_drv.h  |   1 -
 drivers/gpu/drm/sti/sti_vtac.c | 223 -----------------------------------------
 4 files changed, 226 deletions(-)
 delete mode 100644 drivers/gpu/drm/sti/sti_vtac.c

Comments

Daniel Vetter Jan. 4, 2017, 9:40 a.m. UTC | #1
On Wed, Jan 04, 2017 at 10:26:46AM +0100, Vincent Abriou wrote:
> sti_vtac.c file is deprecated since stih416 chip family is not
> supported anymore.
> 
> Signed-off-by: Vincent Abriou <vincent.abriou@st.com>

Ehrm, removing existing support is Not Cool. This either needs more
explanation, or it can't be merged.
-Daniel

> ---
>  drivers/gpu/drm/sti/Makefile   |   1 -
>  drivers/gpu/drm/sti/sti_drv.c  |   1 -
>  drivers/gpu/drm/sti/sti_drv.h  |   1 -
>  drivers/gpu/drm/sti/sti_vtac.c | 223 -----------------------------------------
>  4 files changed, 226 deletions(-)
>  delete mode 100644 drivers/gpu/drm/sti/sti_vtac.c
> 
> diff --git a/drivers/gpu/drm/sti/Makefile b/drivers/gpu/drm/sti/Makefile
> index d20f7c0..c35db12 100644
> --- a/drivers/gpu/drm/sti/Makefile
> +++ b/drivers/gpu/drm/sti/Makefile
> @@ -13,7 +13,6 @@ sti-drm-y := \
>  	sti_dvo.o \
>  	sti_awg_utils.o \
>  	sti_vtg.o \
> -	sti_vtac.o \
>  	sti_hda.o \
>  	sti_tvout.o \
>  	sti_hqvdp.o \
> diff --git a/drivers/gpu/drm/sti/sti_drv.c b/drivers/gpu/drm/sti/sti_drv.c
> index c584d4d..278a63f 100644
> --- a/drivers/gpu/drm/sti/sti_drv.c
> +++ b/drivers/gpu/drm/sti/sti_drv.c
> @@ -477,7 +477,6 @@ static struct platform_driver sti_platform_driver = {
>  
>  static struct platform_driver * const drivers[] = {
>  	&sti_tvout_driver,
> -	&sti_vtac_driver,
>  	&sti_hqvdp_driver,
>  	&sti_hdmi_driver,
>  	&sti_hda_driver,
> diff --git a/drivers/gpu/drm/sti/sti_drv.h b/drivers/gpu/drm/sti/sti_drv.h
> index 78ebe5e..4c75845 100644
> --- a/drivers/gpu/drm/sti/sti_drv.h
> +++ b/drivers/gpu/drm/sti/sti_drv.h
> @@ -34,7 +34,6 @@ struct sti_private {
>  };
>  
>  extern struct platform_driver sti_tvout_driver;
> -extern struct platform_driver sti_vtac_driver;
>  extern struct platform_driver sti_hqvdp_driver;
>  extern struct platform_driver sti_hdmi_driver;
>  extern struct platform_driver sti_hda_driver;
> diff --git a/drivers/gpu/drm/sti/sti_vtac.c b/drivers/gpu/drm/sti/sti_vtac.c
> deleted file mode 100644
> index cf7fe8a..0000000
> --- a/drivers/gpu/drm/sti/sti_vtac.c
> +++ /dev/null
> @@ -1,223 +0,0 @@
> -/*
> - * Copyright (C) STMicroelectronics SA 2014
> - * Author: Benjamin Gaignard <benjamin.gaignard@st.com> for STMicroelectronics.
> - * License terms:  GNU General Public License (GPL), version 2
> - */
> -
> -#include <linux/clk.h>
> -#include <linux/io.h>
> -#include <linux/module.h>
> -#include <linux/of.h>
> -#include <linux/platform_device.h>
> -
> -#include <drm/drmP.h>
> -
> -#include "sti_drv.h"
> -
> -/* registers offset */
> -#define VTAC_CONFIG                     0x00
> -#define VTAC_RX_FIFO_CONFIG             0x04
> -#define VTAC_FIFO_CONFIG_VAL            0x04
> -
> -#define VTAC_SYS_CFG8521                0x824
> -#define VTAC_SYS_CFG8522                0x828
> -
> -/* Number of phyts per pixel */
> -#define VTAC_2_5_PPP                    0x0005
> -#define VTAC_3_PPP                      0x0006
> -#define VTAC_4_PPP                      0x0008
> -#define VTAC_5_PPP                      0x000A
> -#define VTAC_6_PPP                      0x000C
> -#define VTAC_13_PPP                     0x001A
> -#define VTAC_14_PPP                     0x001C
> -#define VTAC_15_PPP                     0x001E
> -#define VTAC_16_PPP                     0x0020
> -#define VTAC_17_PPP                     0x0022
> -#define VTAC_18_PPP                     0x0024
> -
> -/* enable bits */
> -#define VTAC_ENABLE                     0x3003
> -
> -#define VTAC_TX_PHY_ENABLE_CLK_PHY      BIT(0)
> -#define VTAC_TX_PHY_ENABLE_CLK_DLL      BIT(1)
> -#define VTAC_TX_PHY_PLL_NOT_OSC_MODE    BIT(3)
> -#define VTAC_TX_PHY_RST_N_DLL_SWITCH    BIT(4)
> -#define VTAC_TX_PHY_PROG_N3             BIT(9)
> -
> -
> -/**
> - * VTAC mode structure
> - *
> - * @vid_in_width: Video Data Resolution
> - * @phyts_width: Width of phyt buses(phyt low and phyt high).
> - * @phyts_per_pixel: Number of phyts sent per pixel
> - */
> -struct sti_vtac_mode {
> -	u32 vid_in_width;
> -	u32 phyts_width;
> -	u32 phyts_per_pixel;
> -};
> -
> -static const struct sti_vtac_mode vtac_mode_main = {
> -	.vid_in_width = 0x2,
> -	.phyts_width = 0x2,
> -	.phyts_per_pixel = VTAC_5_PPP,
> -};
> -static const struct sti_vtac_mode vtac_mode_aux = {
> -	.vid_in_width = 0x1,
> -	.phyts_width = 0x0,
> -	.phyts_per_pixel = VTAC_17_PPP,
> -};
> -
> -/**
> - * VTAC structure
> - *
> - * @dev: pointer to device structure
> - * @regs: ioremapped registers for RX and TX devices
> - * @phy_regs: phy registers for TX device
> - * @clk: clock
> - * @mode: main or auxillary configuration mode
> - */
> -struct sti_vtac {
> -	struct device *dev;
> -	void __iomem *regs;
> -	void __iomem *phy_regs;
> -	struct clk *clk;
> -	const struct sti_vtac_mode *mode;
> -};
> -
> -static void sti_vtac_rx_set_config(struct sti_vtac *vtac)
> -{
> -	u32 config;
> -
> -	/* Enable VTAC clock */
> -	if (clk_prepare_enable(vtac->clk))
> -		DRM_ERROR("Failed to prepare/enable vtac_rx clock.\n");
> -
> -	writel(VTAC_FIFO_CONFIG_VAL, vtac->regs + VTAC_RX_FIFO_CONFIG);
> -
> -	config = VTAC_ENABLE;
> -	config |= vtac->mode->vid_in_width << 4;
> -	config |= vtac->mode->phyts_width << 16;
> -	config |= vtac->mode->phyts_per_pixel << 23;
> -	writel(config, vtac->regs + VTAC_CONFIG);
> -}
> -
> -static void sti_vtac_tx_set_config(struct sti_vtac *vtac)
> -{
> -	u32 phy_config;
> -	u32 config;
> -
> -	/* Enable VTAC clock */
> -	if (clk_prepare_enable(vtac->clk))
> -		DRM_ERROR("Failed to prepare/enable vtac_tx clock.\n");
> -
> -	/* Configure vtac phy */
> -	phy_config = 0x00000000;
> -	writel(phy_config, vtac->phy_regs + VTAC_SYS_CFG8522);
> -	phy_config = VTAC_TX_PHY_ENABLE_CLK_PHY;
> -	writel(phy_config, vtac->phy_regs + VTAC_SYS_CFG8521);
> -	phy_config = readl(vtac->phy_regs + VTAC_SYS_CFG8521);
> -	phy_config |= VTAC_TX_PHY_PROG_N3;
> -	writel(phy_config, vtac->phy_regs + VTAC_SYS_CFG8521);
> -	phy_config = readl(vtac->phy_regs + VTAC_SYS_CFG8521);
> -	phy_config |= VTAC_TX_PHY_ENABLE_CLK_DLL;
> -	writel(phy_config, vtac->phy_regs + VTAC_SYS_CFG8521);
> -	phy_config = readl(vtac->phy_regs + VTAC_SYS_CFG8521);
> -	phy_config |= VTAC_TX_PHY_RST_N_DLL_SWITCH;
> -	writel(phy_config, vtac->phy_regs + VTAC_SYS_CFG8521);
> -	phy_config = readl(vtac->phy_regs + VTAC_SYS_CFG8521);
> -	phy_config |= VTAC_TX_PHY_PLL_NOT_OSC_MODE;
> -	writel(phy_config, vtac->phy_regs + VTAC_SYS_CFG8521);
> -
> -	/* Configure vtac tx */
> -	config = VTAC_ENABLE;
> -	config |= vtac->mode->vid_in_width << 4;
> -	config |= vtac->mode->phyts_width << 16;
> -	config |= vtac->mode->phyts_per_pixel << 23;
> -	writel(config, vtac->regs + VTAC_CONFIG);
> -}
> -
> -static const struct of_device_id vtac_of_match[] = {
> -	{
> -		.compatible = "st,vtac-main",
> -		.data = &vtac_mode_main,
> -	}, {
> -		.compatible = "st,vtac-aux",
> -		.data = &vtac_mode_aux,
> -	}, {
> -		/* end node */
> -	}
> -};
> -MODULE_DEVICE_TABLE(of, vtac_of_match);
> -
> -static int sti_vtac_probe(struct platform_device *pdev)
> -{
> -	struct device *dev = &pdev->dev;
> -	struct device_node *np = dev->of_node;
> -	const struct of_device_id *id;
> -	struct sti_vtac *vtac;
> -	struct resource *res;
> -
> -	vtac = devm_kzalloc(dev, sizeof(*vtac), GFP_KERNEL);
> -	if (!vtac)
> -		return -ENOMEM;
> -
> -	vtac->dev = dev;
> -
> -	id = of_match_node(vtac_of_match, np);
> -	if (!id)
> -		return -ENOMEM;
> -
> -	vtac->mode = id->data;
> -
> -	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	if (!res) {
> -		DRM_ERROR("Invalid resource\n");
> -		return -ENOMEM;
> -	}
> -	vtac->regs = devm_ioremap_resource(dev, res);
> -	if (IS_ERR(vtac->regs))
> -		return PTR_ERR(vtac->regs);
> -
> -
> -	vtac->clk = devm_clk_get(dev, "vtac");
> -	if (IS_ERR(vtac->clk)) {
> -		DRM_ERROR("Cannot get vtac clock\n");
> -		return PTR_ERR(vtac->clk);
> -	}
> -
> -	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
> -	if (res) {
> -		vtac->phy_regs = devm_ioremap_nocache(dev, res->start,
> -						 resource_size(res));
> -		sti_vtac_tx_set_config(vtac);
> -	} else {
> -
> -		sti_vtac_rx_set_config(vtac);
> -	}
> -
> -	platform_set_drvdata(pdev, vtac);
> -	DRM_INFO("%s %s\n", __func__, dev_name(vtac->dev));
> -
> -	return 0;
> -}
> -
> -static int sti_vtac_remove(struct platform_device *pdev)
> -{
> -	return 0;
> -}
> -
> -struct platform_driver sti_vtac_driver = {
> -	.driver = {
> -		.name = "sti-vtac",
> -		.owner = THIS_MODULE,
> -		.of_match_table = vtac_of_match,
> -	},
> -	.probe = sti_vtac_probe,
> -	.remove = sti_vtac_remove,
> -};
> -
> -MODULE_AUTHOR("Benjamin Gaignard <benjamin.gaignard@st.com>");
> -MODULE_DESCRIPTION("STMicroelectronics SoC DRM driver");
> -MODULE_LICENSE("GPL");
> -- 
> 2.7.4
> 
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
Vincent Abriou Jan. 4, 2017, 9:45 a.m. UTC | #2
On 01/04/2017 10:40 AM, Daniel Vetter wrote:
> On Wed, Jan 04, 2017 at 10:26:46AM +0100, Vincent Abriou wrote:
>> sti_vtac.c file is deprecated since stih416 chip family is not
>> supported anymore.
>>
>> Signed-off-by: Vincent Abriou <vincent.abriou@st.com>
>
> Ehrm, removing existing support is Not Cool. This either needs more
> explanation, or it can't be merged.
> -Daniel
>

Hi Daniel,

stih416 chip family is no more supported in linux v4.9.
It is useless to keep this file since it not used at all for the 
stih407/10 chip family supported by our sti driver.

Vincent

>> ---
>>  drivers/gpu/drm/sti/Makefile   |   1 -
>>  drivers/gpu/drm/sti/sti_drv.c  |   1 -
>>  drivers/gpu/drm/sti/sti_drv.h  |   1 -
>>  drivers/gpu/drm/sti/sti_vtac.c | 223 -----------------------------------------
>>  4 files changed, 226 deletions(-)
>>  delete mode 100644 drivers/gpu/drm/sti/sti_vtac.c
>>
>> diff --git a/drivers/gpu/drm/sti/Makefile b/drivers/gpu/drm/sti/Makefile
>> index d20f7c0..c35db12 100644
>> --- a/drivers/gpu/drm/sti/Makefile
>> +++ b/drivers/gpu/drm/sti/Makefile
>> @@ -13,7 +13,6 @@ sti-drm-y := \
>>  	sti_dvo.o \
>>  	sti_awg_utils.o \
>>  	sti_vtg.o \
>> -	sti_vtac.o \
>>  	sti_hda.o \
>>  	sti_tvout.o \
>>  	sti_hqvdp.o \
>> diff --git a/drivers/gpu/drm/sti/sti_drv.c b/drivers/gpu/drm/sti/sti_drv.c
>> index c584d4d..278a63f 100644
>> --- a/drivers/gpu/drm/sti/sti_drv.c
>> +++ b/drivers/gpu/drm/sti/sti_drv.c
>> @@ -477,7 +477,6 @@ static struct platform_driver sti_platform_driver = {
>>
>>  static struct platform_driver * const drivers[] = {
>>  	&sti_tvout_driver,
>> -	&sti_vtac_driver,
>>  	&sti_hqvdp_driver,
>>  	&sti_hdmi_driver,
>>  	&sti_hda_driver,
>> diff --git a/drivers/gpu/drm/sti/sti_drv.h b/drivers/gpu/drm/sti/sti_drv.h
>> index 78ebe5e..4c75845 100644
>> --- a/drivers/gpu/drm/sti/sti_drv.h
>> +++ b/drivers/gpu/drm/sti/sti_drv.h
>> @@ -34,7 +34,6 @@ struct sti_private {
>>  };
>>
>>  extern struct platform_driver sti_tvout_driver;
>> -extern struct platform_driver sti_vtac_driver;
>>  extern struct platform_driver sti_hqvdp_driver;
>>  extern struct platform_driver sti_hdmi_driver;
>>  extern struct platform_driver sti_hda_driver;
>> diff --git a/drivers/gpu/drm/sti/sti_vtac.c b/drivers/gpu/drm/sti/sti_vtac.c
>> deleted file mode 100644
>> index cf7fe8a..0000000
>> --- a/drivers/gpu/drm/sti/sti_vtac.c
>> +++ /dev/null
>> @@ -1,223 +0,0 @@
>> -/*
>> - * Copyright (C) STMicroelectronics SA 2014
>> - * Author: Benjamin Gaignard <benjamin.gaignard@st.com> for STMicroelectronics.
>> - * License terms:  GNU General Public License (GPL), version 2
>> - */
>> -
>> -#include <linux/clk.h>
>> -#include <linux/io.h>
>> -#include <linux/module.h>
>> -#include <linux/of.h>
>> -#include <linux/platform_device.h>
>> -
>> -#include <drm/drmP.h>
>> -
>> -#include "sti_drv.h"
>> -
>> -/* registers offset */
>> -#define VTAC_CONFIG                     0x00
>> -#define VTAC_RX_FIFO_CONFIG             0x04
>> -#define VTAC_FIFO_CONFIG_VAL            0x04
>> -
>> -#define VTAC_SYS_CFG8521                0x824
>> -#define VTAC_SYS_CFG8522                0x828
>> -
>> -/* Number of phyts per pixel */
>> -#define VTAC_2_5_PPP                    0x0005
>> -#define VTAC_3_PPP                      0x0006
>> -#define VTAC_4_PPP                      0x0008
>> -#define VTAC_5_PPP                      0x000A
>> -#define VTAC_6_PPP                      0x000C
>> -#define VTAC_13_PPP                     0x001A
>> -#define VTAC_14_PPP                     0x001C
>> -#define VTAC_15_PPP                     0x001E
>> -#define VTAC_16_PPP                     0x0020
>> -#define VTAC_17_PPP                     0x0022
>> -#define VTAC_18_PPP                     0x0024
>> -
>> -/* enable bits */
>> -#define VTAC_ENABLE                     0x3003
>> -
>> -#define VTAC_TX_PHY_ENABLE_CLK_PHY      BIT(0)
>> -#define VTAC_TX_PHY_ENABLE_CLK_DLL      BIT(1)
>> -#define VTAC_TX_PHY_PLL_NOT_OSC_MODE    BIT(3)
>> -#define VTAC_TX_PHY_RST_N_DLL_SWITCH    BIT(4)
>> -#define VTAC_TX_PHY_PROG_N3             BIT(9)
>> -
>> -
>> -/**
>> - * VTAC mode structure
>> - *
>> - * @vid_in_width: Video Data Resolution
>> - * @phyts_width: Width of phyt buses(phyt low and phyt high).
>> - * @phyts_per_pixel: Number of phyts sent per pixel
>> - */
>> -struct sti_vtac_mode {
>> -	u32 vid_in_width;
>> -	u32 phyts_width;
>> -	u32 phyts_per_pixel;
>> -};
>> -
>> -static const struct sti_vtac_mode vtac_mode_main = {
>> -	.vid_in_width = 0x2,
>> -	.phyts_width = 0x2,
>> -	.phyts_per_pixel = VTAC_5_PPP,
>> -};
>> -static const struct sti_vtac_mode vtac_mode_aux = {
>> -	.vid_in_width = 0x1,
>> -	.phyts_width = 0x0,
>> -	.phyts_per_pixel = VTAC_17_PPP,
>> -};
>> -
>> -/**
>> - * VTAC structure
>> - *
>> - * @dev: pointer to device structure
>> - * @regs: ioremapped registers for RX and TX devices
>> - * @phy_regs: phy registers for TX device
>> - * @clk: clock
>> - * @mode: main or auxillary configuration mode
>> - */
>> -struct sti_vtac {
>> -	struct device *dev;
>> -	void __iomem *regs;
>> -	void __iomem *phy_regs;
>> -	struct clk *clk;
>> -	const struct sti_vtac_mode *mode;
>> -};
>> -
>> -static void sti_vtac_rx_set_config(struct sti_vtac *vtac)
>> -{
>> -	u32 config;
>> -
>> -	/* Enable VTAC clock */
>> -	if (clk_prepare_enable(vtac->clk))
>> -		DRM_ERROR("Failed to prepare/enable vtac_rx clock.\n");
>> -
>> -	writel(VTAC_FIFO_CONFIG_VAL, vtac->regs + VTAC_RX_FIFO_CONFIG);
>> -
>> -	config = VTAC_ENABLE;
>> -	config |= vtac->mode->vid_in_width << 4;
>> -	config |= vtac->mode->phyts_width << 16;
>> -	config |= vtac->mode->phyts_per_pixel << 23;
>> -	writel(config, vtac->regs + VTAC_CONFIG);
>> -}
>> -
>> -static void sti_vtac_tx_set_config(struct sti_vtac *vtac)
>> -{
>> -	u32 phy_config;
>> -	u32 config;
>> -
>> -	/* Enable VTAC clock */
>> -	if (clk_prepare_enable(vtac->clk))
>> -		DRM_ERROR("Failed to prepare/enable vtac_tx clock.\n");
>> -
>> -	/* Configure vtac phy */
>> -	phy_config = 0x00000000;
>> -	writel(phy_config, vtac->phy_regs + VTAC_SYS_CFG8522);
>> -	phy_config = VTAC_TX_PHY_ENABLE_CLK_PHY;
>> -	writel(phy_config, vtac->phy_regs + VTAC_SYS_CFG8521);
>> -	phy_config = readl(vtac->phy_regs + VTAC_SYS_CFG8521);
>> -	phy_config |= VTAC_TX_PHY_PROG_N3;
>> -	writel(phy_config, vtac->phy_regs + VTAC_SYS_CFG8521);
>> -	phy_config = readl(vtac->phy_regs + VTAC_SYS_CFG8521);
>> -	phy_config |= VTAC_TX_PHY_ENABLE_CLK_DLL;
>> -	writel(phy_config, vtac->phy_regs + VTAC_SYS_CFG8521);
>> -	phy_config = readl(vtac->phy_regs + VTAC_SYS_CFG8521);
>> -	phy_config |= VTAC_TX_PHY_RST_N_DLL_SWITCH;
>> -	writel(phy_config, vtac->phy_regs + VTAC_SYS_CFG8521);
>> -	phy_config = readl(vtac->phy_regs + VTAC_SYS_CFG8521);
>> -	phy_config |= VTAC_TX_PHY_PLL_NOT_OSC_MODE;
>> -	writel(phy_config, vtac->phy_regs + VTAC_SYS_CFG8521);
>> -
>> -	/* Configure vtac tx */
>> -	config = VTAC_ENABLE;
>> -	config |= vtac->mode->vid_in_width << 4;
>> -	config |= vtac->mode->phyts_width << 16;
>> -	config |= vtac->mode->phyts_per_pixel << 23;
>> -	writel(config, vtac->regs + VTAC_CONFIG);
>> -}
>> -
>> -static const struct of_device_id vtac_of_match[] = {
>> -	{
>> -		.compatible = "st,vtac-main",
>> -		.data = &vtac_mode_main,
>> -	}, {
>> -		.compatible = "st,vtac-aux",
>> -		.data = &vtac_mode_aux,
>> -	}, {
>> -		/* end node */
>> -	}
>> -};
>> -MODULE_DEVICE_TABLE(of, vtac_of_match);
>> -
>> -static int sti_vtac_probe(struct platform_device *pdev)
>> -{
>> -	struct device *dev = &pdev->dev;
>> -	struct device_node *np = dev->of_node;
>> -	const struct of_device_id *id;
>> -	struct sti_vtac *vtac;
>> -	struct resource *res;
>> -
>> -	vtac = devm_kzalloc(dev, sizeof(*vtac), GFP_KERNEL);
>> -	if (!vtac)
>> -		return -ENOMEM;
>> -
>> -	vtac->dev = dev;
>> -
>> -	id = of_match_node(vtac_of_match, np);
>> -	if (!id)
>> -		return -ENOMEM;
>> -
>> -	vtac->mode = id->data;
>> -
>> -	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
>> -	if (!res) {
>> -		DRM_ERROR("Invalid resource\n");
>> -		return -ENOMEM;
>> -	}
>> -	vtac->regs = devm_ioremap_resource(dev, res);
>> -	if (IS_ERR(vtac->regs))
>> -		return PTR_ERR(vtac->regs);
>> -
>> -
>> -	vtac->clk = devm_clk_get(dev, "vtac");
>> -	if (IS_ERR(vtac->clk)) {
>> -		DRM_ERROR("Cannot get vtac clock\n");
>> -		return PTR_ERR(vtac->clk);
>> -	}
>> -
>> -	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
>> -	if (res) {
>> -		vtac->phy_regs = devm_ioremap_nocache(dev, res->start,
>> -						 resource_size(res));
>> -		sti_vtac_tx_set_config(vtac);
>> -	} else {
>> -
>> -		sti_vtac_rx_set_config(vtac);
>> -	}
>> -
>> -	platform_set_drvdata(pdev, vtac);
>> -	DRM_INFO("%s %s\n", __func__, dev_name(vtac->dev));
>> -
>> -	return 0;
>> -}
>> -
>> -static int sti_vtac_remove(struct platform_device *pdev)
>> -{
>> -	return 0;
>> -}
>> -
>> -struct platform_driver sti_vtac_driver = {
>> -	.driver = {
>> -		.name = "sti-vtac",
>> -		.owner = THIS_MODULE,
>> -		.of_match_table = vtac_of_match,
>> -	},
>> -	.probe = sti_vtac_probe,
>> -	.remove = sti_vtac_remove,
>> -};
>> -
>> -MODULE_AUTHOR("Benjamin Gaignard <benjamin.gaignard@st.com>");
>> -MODULE_DESCRIPTION("STMicroelectronics SoC DRM driver");
>> -MODULE_LICENSE("GPL");
>> --
>> 2.7.4
>>
>> _______________________________________________
>> dri-devel mailing list
>> dri-devel@lists.freedesktop.org
>> https://lists.freedesktop.org/mailman/listinfo/dri-devel
>
Daniel Vetter Jan. 4, 2017, 9:56 a.m. UTC | #3
On Wed, Jan 04, 2017 at 09:45:21AM +0000, Vincent ABRIOU wrote:
> 
> 
> On 01/04/2017 10:40 AM, Daniel Vetter wrote:
> > On Wed, Jan 04, 2017 at 10:26:46AM +0100, Vincent Abriou wrote:
> >> sti_vtac.c file is deprecated since stih416 chip family is not
> >> supported anymore.
> >>
> >> Signed-off-by: Vincent Abriou <vincent.abriou@st.com>
> >
> > Ehrm, removing existing support is Not Cool. This either needs more
> > explanation, or it can't be merged.
> > -Daniel
> >
> 
> Hi Daniel,
> 
> stih416 chip family is no more supported in linux v4.9.
> It is useless to keep this file since it not used at all for the 
> stih407/10 chip family supported by our sti driver.

Ah ok. Then please revise the commit message to include this important
information. As-is it sounds like you're removing existing hw support from
upstream.
-Daniel

> 
> Vincent
> 
> >> ---
> >>  drivers/gpu/drm/sti/Makefile   |   1 -
> >>  drivers/gpu/drm/sti/sti_drv.c  |   1 -
> >>  drivers/gpu/drm/sti/sti_drv.h  |   1 -
> >>  drivers/gpu/drm/sti/sti_vtac.c | 223 -----------------------------------------
> >>  4 files changed, 226 deletions(-)
> >>  delete mode 100644 drivers/gpu/drm/sti/sti_vtac.c
> >>
> >> diff --git a/drivers/gpu/drm/sti/Makefile b/drivers/gpu/drm/sti/Makefile
> >> index d20f7c0..c35db12 100644
> >> --- a/drivers/gpu/drm/sti/Makefile
> >> +++ b/drivers/gpu/drm/sti/Makefile
> >> @@ -13,7 +13,6 @@ sti-drm-y := \
> >>  	sti_dvo.o \
> >>  	sti_awg_utils.o \
> >>  	sti_vtg.o \
> >> -	sti_vtac.o \
> >>  	sti_hda.o \
> >>  	sti_tvout.o \
> >>  	sti_hqvdp.o \
> >> diff --git a/drivers/gpu/drm/sti/sti_drv.c b/drivers/gpu/drm/sti/sti_drv.c
> >> index c584d4d..278a63f 100644
> >> --- a/drivers/gpu/drm/sti/sti_drv.c
> >> +++ b/drivers/gpu/drm/sti/sti_drv.c
> >> @@ -477,7 +477,6 @@ static struct platform_driver sti_platform_driver = {
> >>
> >>  static struct platform_driver * const drivers[] = {
> >>  	&sti_tvout_driver,
> >> -	&sti_vtac_driver,
> >>  	&sti_hqvdp_driver,
> >>  	&sti_hdmi_driver,
> >>  	&sti_hda_driver,
> >> diff --git a/drivers/gpu/drm/sti/sti_drv.h b/drivers/gpu/drm/sti/sti_drv.h
> >> index 78ebe5e..4c75845 100644
> >> --- a/drivers/gpu/drm/sti/sti_drv.h
> >> +++ b/drivers/gpu/drm/sti/sti_drv.h
> >> @@ -34,7 +34,6 @@ struct sti_private {
> >>  };
> >>
> >>  extern struct platform_driver sti_tvout_driver;
> >> -extern struct platform_driver sti_vtac_driver;
> >>  extern struct platform_driver sti_hqvdp_driver;
> >>  extern struct platform_driver sti_hdmi_driver;
> >>  extern struct platform_driver sti_hda_driver;
> >> diff --git a/drivers/gpu/drm/sti/sti_vtac.c b/drivers/gpu/drm/sti/sti_vtac.c
> >> deleted file mode 100644
> >> index cf7fe8a..0000000
> >> --- a/drivers/gpu/drm/sti/sti_vtac.c
> >> +++ /dev/null
> >> @@ -1,223 +0,0 @@
> >> -/*
> >> - * Copyright (C) STMicroelectronics SA 2014
> >> - * Author: Benjamin Gaignard <benjamin.gaignard@st.com> for STMicroelectronics.
> >> - * License terms:  GNU General Public License (GPL), version 2
> >> - */
> >> -
> >> -#include <linux/clk.h>
> >> -#include <linux/io.h>
> >> -#include <linux/module.h>
> >> -#include <linux/of.h>
> >> -#include <linux/platform_device.h>
> >> -
> >> -#include <drm/drmP.h>
> >> -
> >> -#include "sti_drv.h"
> >> -
> >> -/* registers offset */
> >> -#define VTAC_CONFIG                     0x00
> >> -#define VTAC_RX_FIFO_CONFIG             0x04
> >> -#define VTAC_FIFO_CONFIG_VAL            0x04
> >> -
> >> -#define VTAC_SYS_CFG8521                0x824
> >> -#define VTAC_SYS_CFG8522                0x828
> >> -
> >> -/* Number of phyts per pixel */
> >> -#define VTAC_2_5_PPP                    0x0005
> >> -#define VTAC_3_PPP                      0x0006
> >> -#define VTAC_4_PPP                      0x0008
> >> -#define VTAC_5_PPP                      0x000A
> >> -#define VTAC_6_PPP                      0x000C
> >> -#define VTAC_13_PPP                     0x001A
> >> -#define VTAC_14_PPP                     0x001C
> >> -#define VTAC_15_PPP                     0x001E
> >> -#define VTAC_16_PPP                     0x0020
> >> -#define VTAC_17_PPP                     0x0022
> >> -#define VTAC_18_PPP                     0x0024
> >> -
> >> -/* enable bits */
> >> -#define VTAC_ENABLE                     0x3003
> >> -
> >> -#define VTAC_TX_PHY_ENABLE_CLK_PHY      BIT(0)
> >> -#define VTAC_TX_PHY_ENABLE_CLK_DLL      BIT(1)
> >> -#define VTAC_TX_PHY_PLL_NOT_OSC_MODE    BIT(3)
> >> -#define VTAC_TX_PHY_RST_N_DLL_SWITCH    BIT(4)
> >> -#define VTAC_TX_PHY_PROG_N3             BIT(9)
> >> -
> >> -
> >> -/**
> >> - * VTAC mode structure
> >> - *
> >> - * @vid_in_width: Video Data Resolution
> >> - * @phyts_width: Width of phyt buses(phyt low and phyt high).
> >> - * @phyts_per_pixel: Number of phyts sent per pixel
> >> - */
> >> -struct sti_vtac_mode {
> >> -	u32 vid_in_width;
> >> -	u32 phyts_width;
> >> -	u32 phyts_per_pixel;
> >> -};
> >> -
> >> -static const struct sti_vtac_mode vtac_mode_main = {
> >> -	.vid_in_width = 0x2,
> >> -	.phyts_width = 0x2,
> >> -	.phyts_per_pixel = VTAC_5_PPP,
> >> -};
> >> -static const struct sti_vtac_mode vtac_mode_aux = {
> >> -	.vid_in_width = 0x1,
> >> -	.phyts_width = 0x0,
> >> -	.phyts_per_pixel = VTAC_17_PPP,
> >> -};
> >> -
> >> -/**
> >> - * VTAC structure
> >> - *
> >> - * @dev: pointer to device structure
> >> - * @regs: ioremapped registers for RX and TX devices
> >> - * @phy_regs: phy registers for TX device
> >> - * @clk: clock
> >> - * @mode: main or auxillary configuration mode
> >> - */
> >> -struct sti_vtac {
> >> -	struct device *dev;
> >> -	void __iomem *regs;
> >> -	void __iomem *phy_regs;
> >> -	struct clk *clk;
> >> -	const struct sti_vtac_mode *mode;
> >> -};
> >> -
> >> -static void sti_vtac_rx_set_config(struct sti_vtac *vtac)
> >> -{
> >> -	u32 config;
> >> -
> >> -	/* Enable VTAC clock */
> >> -	if (clk_prepare_enable(vtac->clk))
> >> -		DRM_ERROR("Failed to prepare/enable vtac_rx clock.\n");
> >> -
> >> -	writel(VTAC_FIFO_CONFIG_VAL, vtac->regs + VTAC_RX_FIFO_CONFIG);
> >> -
> >> -	config = VTAC_ENABLE;
> >> -	config |= vtac->mode->vid_in_width << 4;
> >> -	config |= vtac->mode->phyts_width << 16;
> >> -	config |= vtac->mode->phyts_per_pixel << 23;
> >> -	writel(config, vtac->regs + VTAC_CONFIG);
> >> -}
> >> -
> >> -static void sti_vtac_tx_set_config(struct sti_vtac *vtac)
> >> -{
> >> -	u32 phy_config;
> >> -	u32 config;
> >> -
> >> -	/* Enable VTAC clock */
> >> -	if (clk_prepare_enable(vtac->clk))
> >> -		DRM_ERROR("Failed to prepare/enable vtac_tx clock.\n");
> >> -
> >> -	/* Configure vtac phy */
> >> -	phy_config = 0x00000000;
> >> -	writel(phy_config, vtac->phy_regs + VTAC_SYS_CFG8522);
> >> -	phy_config = VTAC_TX_PHY_ENABLE_CLK_PHY;
> >> -	writel(phy_config, vtac->phy_regs + VTAC_SYS_CFG8521);
> >> -	phy_config = readl(vtac->phy_regs + VTAC_SYS_CFG8521);
> >> -	phy_config |= VTAC_TX_PHY_PROG_N3;
> >> -	writel(phy_config, vtac->phy_regs + VTAC_SYS_CFG8521);
> >> -	phy_config = readl(vtac->phy_regs + VTAC_SYS_CFG8521);
> >> -	phy_config |= VTAC_TX_PHY_ENABLE_CLK_DLL;
> >> -	writel(phy_config, vtac->phy_regs + VTAC_SYS_CFG8521);
> >> -	phy_config = readl(vtac->phy_regs + VTAC_SYS_CFG8521);
> >> -	phy_config |= VTAC_TX_PHY_RST_N_DLL_SWITCH;
> >> -	writel(phy_config, vtac->phy_regs + VTAC_SYS_CFG8521);
> >> -	phy_config = readl(vtac->phy_regs + VTAC_SYS_CFG8521);
> >> -	phy_config |= VTAC_TX_PHY_PLL_NOT_OSC_MODE;
> >> -	writel(phy_config, vtac->phy_regs + VTAC_SYS_CFG8521);
> >> -
> >> -	/* Configure vtac tx */
> >> -	config = VTAC_ENABLE;
> >> -	config |= vtac->mode->vid_in_width << 4;
> >> -	config |= vtac->mode->phyts_width << 16;
> >> -	config |= vtac->mode->phyts_per_pixel << 23;
> >> -	writel(config, vtac->regs + VTAC_CONFIG);
> >> -}
> >> -
> >> -static const struct of_device_id vtac_of_match[] = {
> >> -	{
> >> -		.compatible = "st,vtac-main",
> >> -		.data = &vtac_mode_main,
> >> -	}, {
> >> -		.compatible = "st,vtac-aux",
> >> -		.data = &vtac_mode_aux,
> >> -	}, {
> >> -		/* end node */
> >> -	}
> >> -};
> >> -MODULE_DEVICE_TABLE(of, vtac_of_match);
> >> -
> >> -static int sti_vtac_probe(struct platform_device *pdev)
> >> -{
> >> -	struct device *dev = &pdev->dev;
> >> -	struct device_node *np = dev->of_node;
> >> -	const struct of_device_id *id;
> >> -	struct sti_vtac *vtac;
> >> -	struct resource *res;
> >> -
> >> -	vtac = devm_kzalloc(dev, sizeof(*vtac), GFP_KERNEL);
> >> -	if (!vtac)
> >> -		return -ENOMEM;
> >> -
> >> -	vtac->dev = dev;
> >> -
> >> -	id = of_match_node(vtac_of_match, np);
> >> -	if (!id)
> >> -		return -ENOMEM;
> >> -
> >> -	vtac->mode = id->data;
> >> -
> >> -	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> >> -	if (!res) {
> >> -		DRM_ERROR("Invalid resource\n");
> >> -		return -ENOMEM;
> >> -	}
> >> -	vtac->regs = devm_ioremap_resource(dev, res);
> >> -	if (IS_ERR(vtac->regs))
> >> -		return PTR_ERR(vtac->regs);
> >> -
> >> -
> >> -	vtac->clk = devm_clk_get(dev, "vtac");
> >> -	if (IS_ERR(vtac->clk)) {
> >> -		DRM_ERROR("Cannot get vtac clock\n");
> >> -		return PTR_ERR(vtac->clk);
> >> -	}
> >> -
> >> -	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
> >> -	if (res) {
> >> -		vtac->phy_regs = devm_ioremap_nocache(dev, res->start,
> >> -						 resource_size(res));
> >> -		sti_vtac_tx_set_config(vtac);
> >> -	} else {
> >> -
> >> -		sti_vtac_rx_set_config(vtac);
> >> -	}
> >> -
> >> -	platform_set_drvdata(pdev, vtac);
> >> -	DRM_INFO("%s %s\n", __func__, dev_name(vtac->dev));
> >> -
> >> -	return 0;
> >> -}
> >> -
> >> -static int sti_vtac_remove(struct platform_device *pdev)
> >> -{
> >> -	return 0;
> >> -}
> >> -
> >> -struct platform_driver sti_vtac_driver = {
> >> -	.driver = {
> >> -		.name = "sti-vtac",
> >> -		.owner = THIS_MODULE,
> >> -		.of_match_table = vtac_of_match,
> >> -	},
> >> -	.probe = sti_vtac_probe,
> >> -	.remove = sti_vtac_remove,
> >> -};
> >> -
> >> -MODULE_AUTHOR("Benjamin Gaignard <benjamin.gaignard@st.com>");
> >> -MODULE_DESCRIPTION("STMicroelectronics SoC DRM driver");
> >> -MODULE_LICENSE("GPL");
> >> --
> >> 2.7.4
> >>
> >> _______________________________________________
> >> dri-devel mailing list
> >> dri-devel@lists.freedesktop.org
> >> https://lists.freedesktop.org/mailman/listinfo/dri-devel
> >
diff mbox

Patch

diff --git a/drivers/gpu/drm/sti/Makefile b/drivers/gpu/drm/sti/Makefile
index d20f7c0..c35db12 100644
--- a/drivers/gpu/drm/sti/Makefile
+++ b/drivers/gpu/drm/sti/Makefile
@@ -13,7 +13,6 @@  sti-drm-y := \
 	sti_dvo.o \
 	sti_awg_utils.o \
 	sti_vtg.o \
-	sti_vtac.o \
 	sti_hda.o \
 	sti_tvout.o \
 	sti_hqvdp.o \
diff --git a/drivers/gpu/drm/sti/sti_drv.c b/drivers/gpu/drm/sti/sti_drv.c
index c584d4d..278a63f 100644
--- a/drivers/gpu/drm/sti/sti_drv.c
+++ b/drivers/gpu/drm/sti/sti_drv.c
@@ -477,7 +477,6 @@  static struct platform_driver sti_platform_driver = {
 
 static struct platform_driver * const drivers[] = {
 	&sti_tvout_driver,
-	&sti_vtac_driver,
 	&sti_hqvdp_driver,
 	&sti_hdmi_driver,
 	&sti_hda_driver,
diff --git a/drivers/gpu/drm/sti/sti_drv.h b/drivers/gpu/drm/sti/sti_drv.h
index 78ebe5e..4c75845 100644
--- a/drivers/gpu/drm/sti/sti_drv.h
+++ b/drivers/gpu/drm/sti/sti_drv.h
@@ -34,7 +34,6 @@  struct sti_private {
 };
 
 extern struct platform_driver sti_tvout_driver;
-extern struct platform_driver sti_vtac_driver;
 extern struct platform_driver sti_hqvdp_driver;
 extern struct platform_driver sti_hdmi_driver;
 extern struct platform_driver sti_hda_driver;
diff --git a/drivers/gpu/drm/sti/sti_vtac.c b/drivers/gpu/drm/sti/sti_vtac.c
deleted file mode 100644
index cf7fe8a..0000000
--- a/drivers/gpu/drm/sti/sti_vtac.c
+++ /dev/null
@@ -1,223 +0,0 @@ 
-/*
- * Copyright (C) STMicroelectronics SA 2014
- * Author: Benjamin Gaignard <benjamin.gaignard@st.com> for STMicroelectronics.
- * License terms:  GNU General Public License (GPL), version 2
- */
-
-#include <linux/clk.h>
-#include <linux/io.h>
-#include <linux/module.h>
-#include <linux/of.h>
-#include <linux/platform_device.h>
-
-#include <drm/drmP.h>
-
-#include "sti_drv.h"
-
-/* registers offset */
-#define VTAC_CONFIG                     0x00
-#define VTAC_RX_FIFO_CONFIG             0x04
-#define VTAC_FIFO_CONFIG_VAL            0x04
-
-#define VTAC_SYS_CFG8521                0x824
-#define VTAC_SYS_CFG8522                0x828
-
-/* Number of phyts per pixel */
-#define VTAC_2_5_PPP                    0x0005
-#define VTAC_3_PPP                      0x0006
-#define VTAC_4_PPP                      0x0008
-#define VTAC_5_PPP                      0x000A
-#define VTAC_6_PPP                      0x000C
-#define VTAC_13_PPP                     0x001A
-#define VTAC_14_PPP                     0x001C
-#define VTAC_15_PPP                     0x001E
-#define VTAC_16_PPP                     0x0020
-#define VTAC_17_PPP                     0x0022
-#define VTAC_18_PPP                     0x0024
-
-/* enable bits */
-#define VTAC_ENABLE                     0x3003
-
-#define VTAC_TX_PHY_ENABLE_CLK_PHY      BIT(0)
-#define VTAC_TX_PHY_ENABLE_CLK_DLL      BIT(1)
-#define VTAC_TX_PHY_PLL_NOT_OSC_MODE    BIT(3)
-#define VTAC_TX_PHY_RST_N_DLL_SWITCH    BIT(4)
-#define VTAC_TX_PHY_PROG_N3             BIT(9)
-
-
-/**
- * VTAC mode structure
- *
- * @vid_in_width: Video Data Resolution
- * @phyts_width: Width of phyt buses(phyt low and phyt high).
- * @phyts_per_pixel: Number of phyts sent per pixel
- */
-struct sti_vtac_mode {
-	u32 vid_in_width;
-	u32 phyts_width;
-	u32 phyts_per_pixel;
-};
-
-static const struct sti_vtac_mode vtac_mode_main = {
-	.vid_in_width = 0x2,
-	.phyts_width = 0x2,
-	.phyts_per_pixel = VTAC_5_PPP,
-};
-static const struct sti_vtac_mode vtac_mode_aux = {
-	.vid_in_width = 0x1,
-	.phyts_width = 0x0,
-	.phyts_per_pixel = VTAC_17_PPP,
-};
-
-/**
- * VTAC structure
- *
- * @dev: pointer to device structure
- * @regs: ioremapped registers for RX and TX devices
- * @phy_regs: phy registers for TX device
- * @clk: clock
- * @mode: main or auxillary configuration mode
- */
-struct sti_vtac {
-	struct device *dev;
-	void __iomem *regs;
-	void __iomem *phy_regs;
-	struct clk *clk;
-	const struct sti_vtac_mode *mode;
-};
-
-static void sti_vtac_rx_set_config(struct sti_vtac *vtac)
-{
-	u32 config;
-
-	/* Enable VTAC clock */
-	if (clk_prepare_enable(vtac->clk))
-		DRM_ERROR("Failed to prepare/enable vtac_rx clock.\n");
-
-	writel(VTAC_FIFO_CONFIG_VAL, vtac->regs + VTAC_RX_FIFO_CONFIG);
-
-	config = VTAC_ENABLE;
-	config |= vtac->mode->vid_in_width << 4;
-	config |= vtac->mode->phyts_width << 16;
-	config |= vtac->mode->phyts_per_pixel << 23;
-	writel(config, vtac->regs + VTAC_CONFIG);
-}
-
-static void sti_vtac_tx_set_config(struct sti_vtac *vtac)
-{
-	u32 phy_config;
-	u32 config;
-
-	/* Enable VTAC clock */
-	if (clk_prepare_enable(vtac->clk))
-		DRM_ERROR("Failed to prepare/enable vtac_tx clock.\n");
-
-	/* Configure vtac phy */
-	phy_config = 0x00000000;
-	writel(phy_config, vtac->phy_regs + VTAC_SYS_CFG8522);
-	phy_config = VTAC_TX_PHY_ENABLE_CLK_PHY;
-	writel(phy_config, vtac->phy_regs + VTAC_SYS_CFG8521);
-	phy_config = readl(vtac->phy_regs + VTAC_SYS_CFG8521);
-	phy_config |= VTAC_TX_PHY_PROG_N3;
-	writel(phy_config, vtac->phy_regs + VTAC_SYS_CFG8521);
-	phy_config = readl(vtac->phy_regs + VTAC_SYS_CFG8521);
-	phy_config |= VTAC_TX_PHY_ENABLE_CLK_DLL;
-	writel(phy_config, vtac->phy_regs + VTAC_SYS_CFG8521);
-	phy_config = readl(vtac->phy_regs + VTAC_SYS_CFG8521);
-	phy_config |= VTAC_TX_PHY_RST_N_DLL_SWITCH;
-	writel(phy_config, vtac->phy_regs + VTAC_SYS_CFG8521);
-	phy_config = readl(vtac->phy_regs + VTAC_SYS_CFG8521);
-	phy_config |= VTAC_TX_PHY_PLL_NOT_OSC_MODE;
-	writel(phy_config, vtac->phy_regs + VTAC_SYS_CFG8521);
-
-	/* Configure vtac tx */
-	config = VTAC_ENABLE;
-	config |= vtac->mode->vid_in_width << 4;
-	config |= vtac->mode->phyts_width << 16;
-	config |= vtac->mode->phyts_per_pixel << 23;
-	writel(config, vtac->regs + VTAC_CONFIG);
-}
-
-static const struct of_device_id vtac_of_match[] = {
-	{
-		.compatible = "st,vtac-main",
-		.data = &vtac_mode_main,
-	}, {
-		.compatible = "st,vtac-aux",
-		.data = &vtac_mode_aux,
-	}, {
-		/* end node */
-	}
-};
-MODULE_DEVICE_TABLE(of, vtac_of_match);
-
-static int sti_vtac_probe(struct platform_device *pdev)
-{
-	struct device *dev = &pdev->dev;
-	struct device_node *np = dev->of_node;
-	const struct of_device_id *id;
-	struct sti_vtac *vtac;
-	struct resource *res;
-
-	vtac = devm_kzalloc(dev, sizeof(*vtac), GFP_KERNEL);
-	if (!vtac)
-		return -ENOMEM;
-
-	vtac->dev = dev;
-
-	id = of_match_node(vtac_of_match, np);
-	if (!id)
-		return -ENOMEM;
-
-	vtac->mode = id->data;
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		DRM_ERROR("Invalid resource\n");
-		return -ENOMEM;
-	}
-	vtac->regs = devm_ioremap_resource(dev, res);
-	if (IS_ERR(vtac->regs))
-		return PTR_ERR(vtac->regs);
-
-
-	vtac->clk = devm_clk_get(dev, "vtac");
-	if (IS_ERR(vtac->clk)) {
-		DRM_ERROR("Cannot get vtac clock\n");
-		return PTR_ERR(vtac->clk);
-	}
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-	if (res) {
-		vtac->phy_regs = devm_ioremap_nocache(dev, res->start,
-						 resource_size(res));
-		sti_vtac_tx_set_config(vtac);
-	} else {
-
-		sti_vtac_rx_set_config(vtac);
-	}
-
-	platform_set_drvdata(pdev, vtac);
-	DRM_INFO("%s %s\n", __func__, dev_name(vtac->dev));
-
-	return 0;
-}
-
-static int sti_vtac_remove(struct platform_device *pdev)
-{
-	return 0;
-}
-
-struct platform_driver sti_vtac_driver = {
-	.driver = {
-		.name = "sti-vtac",
-		.owner = THIS_MODULE,
-		.of_match_table = vtac_of_match,
-	},
-	.probe = sti_vtac_probe,
-	.remove = sti_vtac_remove,
-};
-
-MODULE_AUTHOR("Benjamin Gaignard <benjamin.gaignard@st.com>");
-MODULE_DESCRIPTION("STMicroelectronics SoC DRM driver");
-MODULE_LICENSE("GPL");