[PATCH v2] fbdev: sh_mipi_dsi: remove driver

[Simon Horman <horms+renesas@verge.net.au>]

Remove the sh_mipi_dsi driver as it appears to be unused since
c0bb9b302769 ("ARCH: ARM: shmobile: Remove ag5evm board support").

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
Based on v4.6-rc1

v2
* Update patch referred to in changelog
---
 drivers/video/Kconfig             |   4 -
 drivers/video/fbdev/Kconfig       |   1 -
 drivers/video/fbdev/Makefile      |   1 -
 drivers/video/fbdev/sh_mipi_dsi.c | 587 --------------------------------------
 include/video/sh_mipi_dsi.h       |  59 ----
 5 files changed, 652 deletions(-)
 delete mode 100644 drivers/video/fbdev/sh_mipi_dsi.c
 delete mode 100644 include/video/sh_mipi_dsi.h

diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index e0606c01e8ac..3c20af999893 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -8,10 +8,6 @@ menu "Graphics support"
 config HAVE_FB_ATMEL
 	bool
 
-config SH_MIPI_DSI
-	tristate
-	depends on (SUPERH || ARCH_SHMOBILE) && HAVE_CLK
-
 config SH_LCD_MIPI_DSI
 	bool
 
diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig
index 983280e8d93f..7d991cb9e78e 100644
--- a/drivers/video/fbdev/Kconfig
+++ b/drivers/video/fbdev/Kconfig
@@ -1993,7 +1993,6 @@ config FB_SH_MOBILE_LCDC
 	select FB_SYS_FOPS
 	select FB_DEFERRED_IO
 	select FB_BACKLIGHT
-	select SH_MIPI_DSI if SH_LCD_MIPI_DSI
 	---help---
 	  Frame buffer driver for the on-chip SH-Mobile LCD controller.
 
diff --git a/drivers/video/fbdev/Makefile b/drivers/video/fbdev/Makefile
index 65fb15075c8f..f6731867dd26 100644
--- a/drivers/video/fbdev/Makefile
+++ b/drivers/video/fbdev/Makefile
@@ -117,7 +117,6 @@ obj-$(CONFIG_FB_SM501)            += sm501fb.o
 obj-$(CONFIG_FB_UDL)		  += udlfb.o
 obj-$(CONFIG_FB_SMSCUFX)	  += smscufx.o
 obj-$(CONFIG_FB_XILINX)           += xilinxfb.o
-obj-$(CONFIG_SH_MIPI_DSI)	  += sh_mipi_dsi.o
 obj-$(CONFIG_FB_SH_MOBILE_MERAM)  += sh_mobile_meram.o
 obj-$(CONFIG_FB_SH_MOBILE_LCDC)	  += sh_mobile_lcdcfb.o
 obj-$(CONFIG_FB_OMAP)             += omap/
diff --git a/drivers/video/fbdev/sh_mipi_dsi.c b/drivers/video/fbdev/sh_mipi_dsi.c
deleted file mode 100644
index 8f6e8ff620d4..000000000000
--- a/drivers/video/fbdev/sh_mipi_dsi.c
+++ /dev/null
@@ -1,587 +0,0 @@
-/*
- * Renesas SH-mobile MIPI DSI support
- *
- * Copyright (C) 2010 Guennadi Liakhovetski <g.liakhovetski@gmx.de>
- *
- * This is free software; you can redistribute it and/or modify
- * it under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- */
-
-#include <linux/bitmap.h>
-#include <linux/clk.h>
-#include <linux/delay.h>
-#include <linux/init.h>
-#include <linux/io.h>
-#include <linux/platform_device.h>
-#include <linux/pm_runtime.h>
-#include <linux/slab.h>
-#include <linux/string.h>
-#include <linux/types.h>
-#include <linux/module.h>
-
-#include <video/mipi_display.h>
-#include <video/sh_mipi_dsi.h>
-#include <video/sh_mobile_lcdc.h>
-
-#include "sh_mobile_lcdcfb.h"
-
-#define SYSCTRL		0x0000
-#define SYSCONF		0x0004
-#define TIMSET		0x0008
-#define RESREQSET0	0x0018
-#define RESREQSET1	0x001c
-#define HSTTOVSET	0x0020
-#define LPRTOVSET	0x0024
-#define TATOVSET	0x0028
-#define PRTOVSET	0x002c
-#define DSICTRL		0x0030
-#define DSIINTE		0x0060
-#define PHYCTRL		0x0070
-
-/* relative to linkbase */
-#define DTCTR		0x0000
-#define VMCTR1		0x0020
-#define VMCTR2		0x0024
-#define VMLEN1		0x0028
-#define VMLEN2		0x002c
-#define CMTSRTREQ	0x0070
-#define CMTSRTCTR	0x00d0
-
-/* E.g., sh7372 has 2 MIPI-DSIs - one for each LCDC */
-#define MAX_SH_MIPI_DSI 2
-
-struct sh_mipi {
-	struct sh_mobile_lcdc_entity entity;
-
-	void __iomem	*base;
-	void __iomem	*linkbase;
-	struct clk	*dsit_clk;
-	struct platform_device *pdev;
-};
-
-#define to_sh_mipi(e)	container_of(e, struct sh_mipi, entity)
-
-static struct sh_mipi *mipi_dsi[MAX_SH_MIPI_DSI];
-
-/* Protect the above array */
-static DEFINE_MUTEX(array_lock);
-
-static struct sh_mipi *sh_mipi_by_handle(int handle)
-{
-	if (handle >= ARRAY_SIZE(mipi_dsi) || handle < 0)
-		return NULL;
-
-	return mipi_dsi[handle];
-}
-
-static int sh_mipi_send_short(struct sh_mipi *mipi, u8 dsi_cmd,
-			      u8 cmd, u8 param)
-{
-	u32 data = (dsi_cmd << 24) | (cmd << 16) | (param << 8);
-	int cnt = 100;
-
-	/* transmit a short packet to LCD panel */
-	iowrite32(1 | data, mipi->linkbase + CMTSRTCTR);
-	iowrite32(1, mipi->linkbase + CMTSRTREQ);
-
-	while ((ioread32(mipi->linkbase + CMTSRTREQ) & 1) && --cnt)
-		udelay(1);
-
-	return cnt ? 0 : -ETIMEDOUT;
-}
-
-#define LCD_CHAN2MIPI(c) ((c) < LCDC_CHAN_MAINLCD || (c) > LCDC_CHAN_SUBLCD ? \
-				-EINVAL : (c) - 1)
-
-static int sh_mipi_dcs(int handle, u8 cmd)
-{
-	struct sh_mipi *mipi = sh_mipi_by_handle(LCD_CHAN2MIPI(handle));
-	if (!mipi)
-		return -ENODEV;
-	return sh_mipi_send_short(mipi, MIPI_DSI_DCS_SHORT_WRITE, cmd, 0);
-}
-
-static int sh_mipi_dcs_param(int handle, u8 cmd, u8 param)
-{
-	struct sh_mipi *mipi = sh_mipi_by_handle(LCD_CHAN2MIPI(handle));
-	if (!mipi)
-		return -ENODEV;
-	return sh_mipi_send_short(mipi, MIPI_DSI_DCS_SHORT_WRITE_PARAM, cmd,
-				  param);
-}
-
-static void sh_mipi_dsi_enable(struct sh_mipi *mipi, bool enable)
-{
-	/*
-	 * enable LCDC data tx, transition to LPS after completion of each HS
-	 * packet
-	 */
-	iowrite32(0x00000002 | enable, mipi->linkbase + DTCTR);
-}
-
-static void sh_mipi_shutdown(struct platform_device *pdev)
-{
-	struct sh_mipi *mipi = to_sh_mipi(platform_get_drvdata(pdev));
-
-	sh_mipi_dsi_enable(mipi, false);
-}
-
-static int sh_mipi_setup(struct sh_mipi *mipi, const struct fb_videomode *mode)
-{
-	void __iomem *base = mipi->base;
-	struct sh_mipi_dsi_info *pdata = mipi->pdev->dev.platform_data;
-	u32 pctype, datatype, pixfmt, linelength, vmctr2;
-	u32 tmp, top, bottom, delay, div;
-	int bpp;
-
-	/*
-	 * Select data format. MIPI DSI is not hot-pluggable, so, we just use
-	 * the default videomode. If this ever becomes a problem, We'll have to
-	 * move this to mipi_display_on() above and use info->var.xres
-	 */
-	switch (pdata->data_format) {
-	case MIPI_RGB888:
-		pctype = 0;
-		datatype = MIPI_DSI_PACKED_PIXEL_STREAM_24;
-		pixfmt = MIPI_DCS_PIXEL_FMT_24BIT;
-		linelength = mode->xres * 3;
-		break;
-	case MIPI_RGB565:
-		pctype = 1;
-		datatype = MIPI_DSI_PACKED_PIXEL_STREAM_16;
-		pixfmt = MIPI_DCS_PIXEL_FMT_16BIT;
-		linelength = mode->xres * 2;
-		break;
-	case MIPI_RGB666_LP:
-		pctype = 2;
-		datatype = MIPI_DSI_PIXEL_STREAM_3BYTE_18;
-		pixfmt = MIPI_DCS_PIXEL_FMT_24BIT;
-		linelength = mode->xres * 3;
-		break;
-	case MIPI_RGB666:
-		pctype = 3;
-		datatype = MIPI_DSI_PACKED_PIXEL_STREAM_18;
-		pixfmt = MIPI_DCS_PIXEL_FMT_18BIT;
-		linelength = (mode->xres * 18 + 7) / 8;
-		break;
-	case MIPI_BGR888:
-		pctype = 8;
-		datatype = MIPI_DSI_PACKED_PIXEL_STREAM_24;
-		pixfmt = MIPI_DCS_PIXEL_FMT_24BIT;
-		linelength = mode->xres * 3;
-		break;
-	case MIPI_BGR565:
-		pctype = 9;
-		datatype = MIPI_DSI_PACKED_PIXEL_STREAM_16;
-		pixfmt = MIPI_DCS_PIXEL_FMT_16BIT;
-		linelength = mode->xres * 2;
-		break;
-	case MIPI_BGR666_LP:
-		pctype = 0xa;
-		datatype = MIPI_DSI_PIXEL_STREAM_3BYTE_18;
-		pixfmt = MIPI_DCS_PIXEL_FMT_24BIT;
-		linelength = mode->xres * 3;
-		break;
-	case MIPI_BGR666:
-		pctype = 0xb;
-		datatype = MIPI_DSI_PACKED_PIXEL_STREAM_18;
-		pixfmt = MIPI_DCS_PIXEL_FMT_18BIT;
-		linelength = (mode->xres * 18 + 7) / 8;
-		break;
-	case MIPI_YUYV:
-		pctype = 4;
-		datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR16;
-		pixfmt = MIPI_DCS_PIXEL_FMT_16BIT;
-		linelength = mode->xres * 2;
-		break;
-	case MIPI_UYVY:
-		pctype = 5;
-		datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR16;
-		pixfmt = MIPI_DCS_PIXEL_FMT_16BIT;
-		linelength = mode->xres * 2;
-		break;
-	case MIPI_YUV420_L:
-		pctype = 6;
-		datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR12;
-		pixfmt = MIPI_DCS_PIXEL_FMT_12BIT;
-		linelength = (mode->xres * 12 + 7) / 8;
-		break;
-	case MIPI_YUV420:
-		pctype = 7;
-		datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR12;
-		pixfmt = MIPI_DCS_PIXEL_FMT_12BIT;
-		/* Length of U/V line */
-		linelength = (mode->xres + 1) / 2;
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	if (!pdata->lane)
-		return -EINVAL;
-
-	/* reset DSI link */
-	iowrite32(0x00000001, base + SYSCTRL);
-	/* Hold reset for 100 cycles of the slowest of bus, HS byte and LP clock */
-	udelay(50);
-	iowrite32(0x00000000, base + SYSCTRL);
-
-	/* setup DSI link */
-
-	/*
-	 * T_wakeup = 0x7000
-	 * T_hs-trail = 3
-	 * T_hs-prepare = 3
-	 * T_clk-trail = 3
-	 * T_clk-prepare = 2
-	 */
-	iowrite32(0x70003332, base + TIMSET);
-	/* no responses requested */
-	iowrite32(0x00000000, base + RESREQSET0);
-	/* request response to packets of type 0x28 */
-	iowrite32(0x00000100, base + RESREQSET1);
-	/* High-speed transmission timeout, default 0xffffffff */
-	iowrite32(0x0fffffff, base + HSTTOVSET);
-	/* LP reception timeout, default 0xffffffff */
-	iowrite32(0x0fffffff, base + LPRTOVSET);
-	/* Turn-around timeout, default 0xffffffff */
-	iowrite32(0x0fffffff, base + TATOVSET);
-	/* Peripheral reset timeout, default 0xffffffff */
-	iowrite32(0x0fffffff, base + PRTOVSET);
-	/* Interrupts not used, disable all */
-	iowrite32(0, base + DSIINTE);
-	/* DSI-Tx bias on */
-	iowrite32(0x00000001, base + PHYCTRL);
-	udelay(200);
-	/* Deassert resets, power on */
-	iowrite32(0x03070001 | pdata->phyctrl, base + PHYCTRL);
-
-	/*
-	 * Default = ULPS enable |
-	 *	Contention detection enabled |
-	 *	EoT packet transmission enable |
-	 *	CRC check enable |
-	 *	ECC check enable
-	 */
-	bitmap_fill((unsigned long *)&tmp, pdata->lane);
-	tmp |= 0x00003700;
-	iowrite32(tmp, base + SYSCONF);
-
-	/* setup l-bridge */
-
-	/*
-	 * Enable transmission of all packets,
-	 * transmit LPS after each HS packet completion
-	 */
-	iowrite32(0x00000006, mipi->linkbase + DTCTR);
-	/* VSYNC width = 2 (<< 17) */
-	iowrite32((mode->vsync_len << pdata->vsynw_offset) |
-		  (pdata->clksrc << 16) | (pctype << 12) | datatype,
-		  mipi->linkbase + VMCTR1);
-
-	/*
-	 * Non-burst mode with sync pulses: VSE and HSE are output,
-	 * HSA period allowed, no commands in LP
-	 */
-	vmctr2 = 0;
-	if (pdata->flags & SH_MIPI_DSI_VSEE)
-		vmctr2 |= 1 << 23;
-	if (pdata->flags & SH_MIPI_DSI_HSEE)
-		vmctr2 |= 1 << 22;
-	if (pdata->flags & SH_MIPI_DSI_HSAE)
-		vmctr2 |= 1 << 21;
-	if (pdata->flags & SH_MIPI_DSI_BL2E)
-		vmctr2 |= 1 << 17;
-	if (pdata->flags & SH_MIPI_DSI_HSABM)
-		vmctr2 |= 1 << 5;
-	if (pdata->flags & SH_MIPI_DSI_HBPBM)
-		vmctr2 |= 1 << 4;
-	if (pdata->flags & SH_MIPI_DSI_HFPBM)
-		vmctr2 |= 1 << 3;
-	iowrite32(vmctr2, mipi->linkbase + VMCTR2);
-
-	/*
-	 * VMLEN1 = RGBLEN | HSALEN
-	 *
-	 * see
-	 *  Video mode - Blanking Packet setting
-	 */
-	top = linelength << 16; /* RGBLEN */
-	bottom = 0x00000001;
-	if (pdata->flags & SH_MIPI_DSI_HSABM) /* HSALEN */
-		bottom = (pdata->lane * mode->hsync_len) - 10;
-	iowrite32(top | bottom , mipi->linkbase + VMLEN1);
-
-	/*
-	 * VMLEN2 = HBPLEN | HFPLEN
-	 *
-	 * see
-	 *  Video mode - Blanking Packet setting
-	 */
-	top	= 0x00010000;
-	bottom	= 0x00000001;
-	delay	= 0;
-
-	div = 1;	/* HSbyteCLK is calculation base
-			 * HS4divCLK = HSbyteCLK/2
-			 * HS6divCLK is not supported for now */
-	if (pdata->flags & SH_MIPI_DSI_HS4divCLK)
-		div = 2;
-
-	if (pdata->flags & SH_MIPI_DSI_HFPBM) {	/* HBPLEN */
-		top = mode->hsync_len + mode->left_margin;
-		top = ((pdata->lane * top / div) - 10) << 16;
-	}
-	if (pdata->flags & SH_MIPI_DSI_HBPBM) { /* HFPLEN */
-		bottom = mode->right_margin;
-		bottom = (pdata->lane * bottom / div) - 12;
-	}
-
-	bpp = linelength / mode->xres; /* byte / pixel */
-	if ((pdata->lane / div) > bpp) {
-		tmp = mode->xres / bpp; /* output cycle */
-		tmp = mode->xres - tmp; /* (input - output) cycle */
-		delay = (pdata->lane * tmp);
-	}
-
-	iowrite32(top | (bottom + delay) , mipi->linkbase + VMLEN2);
-
-	msleep(5);
-
-	/* setup LCD panel */
-
-	/* cf. drivers/video/omap/lcd_mipid.c */
-	sh_mipi_dcs(pdata->channel, MIPI_DCS_EXIT_SLEEP_MODE);
-	msleep(120);
-	/*
-	 * [7] - Page Address Mode
-	 * [6] - Column Address Mode
-	 * [5] - Page / Column Address Mode
-	 * [4] - Display Device Line Refresh Order
-	 * [3] - RGB/BGR Order
-	 * [2] - Display Data Latch Data Order
-	 * [1] - Flip Horizontal
-	 * [0] - Flip Vertical
-	 */
-	sh_mipi_dcs_param(pdata->channel, MIPI_DCS_SET_ADDRESS_MODE, 0x00);
-	/* cf. set_data_lines() */
-	sh_mipi_dcs_param(pdata->channel, MIPI_DCS_SET_PIXEL_FORMAT,
-			  pixfmt << 4);
-	sh_mipi_dcs(pdata->channel, MIPI_DCS_SET_DISPLAY_ON);
-
-	/* Enable timeout counters */
-	iowrite32(0x00000f00, base + DSICTRL);
-
-	return 0;
-}
-
-static int mipi_display_on(struct sh_mobile_lcdc_entity *entity)
-{
-	struct sh_mipi *mipi = to_sh_mipi(entity);
-	struct sh_mipi_dsi_info *pdata = mipi->pdev->dev.platform_data;
-	int ret;
-
-	pm_runtime_get_sync(&mipi->pdev->dev);
-
-	ret = pdata->set_dot_clock(mipi->pdev, mipi->base, 1);
-	if (ret < 0)
-		goto mipi_display_on_fail1;
-
-	ret = sh_mipi_setup(mipi, &entity->def_mode);
-	if (ret < 0)
-		goto mipi_display_on_fail2;
-
-	sh_mipi_dsi_enable(mipi, true);
-
-	return SH_MOBILE_LCDC_DISPLAY_CONNECTED;
-
-mipi_display_on_fail1:
-	pm_runtime_put_sync(&mipi->pdev->dev);
-mipi_display_on_fail2:
-	pdata->set_dot_clock(mipi->pdev, mipi->base, 0);
-
-	return ret;
-}
-
-static void mipi_display_off(struct sh_mobile_lcdc_entity *entity)
-{
-	struct sh_mipi *mipi = to_sh_mipi(entity);
-	struct sh_mipi_dsi_info *pdata = mipi->pdev->dev.platform_data;
-
-	sh_mipi_dsi_enable(mipi, false);
-
-	pdata->set_dot_clock(mipi->pdev, mipi->base, 0);
-
-	pm_runtime_put_sync(&mipi->pdev->dev);
-}
-
-static const struct sh_mobile_lcdc_entity_ops mipi_ops = {
-	.display_on = mipi_display_on,
-	.display_off = mipi_display_off,
-};
-
-static int __init sh_mipi_probe(struct platform_device *pdev)
-{
-	struct sh_mipi *mipi;
-	struct sh_mipi_dsi_info *pdata = pdev->dev.platform_data;
-	struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	struct resource *res2 = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-	unsigned long rate, f_current;
-	int idx = pdev->id, ret;
-
-	if (!res || !res2 || idx >= ARRAY_SIZE(mipi_dsi) || !pdata)
-		return -ENODEV;
-
-	if (!pdata->set_dot_clock)
-		return -EINVAL;
-
-	mutex_lock(&array_lock);
-	if (idx < 0)
-		for (idx = 0; idx < ARRAY_SIZE(mipi_dsi) && mipi_dsi[idx]; idx++)
-			;
-
-	if (idx = ARRAY_SIZE(mipi_dsi)) {
-		ret = -EBUSY;
-		goto efindslot;
-	}
-
-	mipi = kzalloc(sizeof(*mipi), GFP_KERNEL);
-	if (!mipi) {
-		ret = -ENOMEM;
-		goto ealloc;
-	}
-
-	mipi->entity.owner = THIS_MODULE;
-	mipi->entity.ops = &mipi_ops;
-
-	if (!request_mem_region(res->start, resource_size(res), pdev->name)) {
-		dev_err(&pdev->dev, "MIPI register region already claimed\n");
-		ret = -EBUSY;
-		goto ereqreg;
-	}
-
-	mipi->base = ioremap(res->start, resource_size(res));
-	if (!mipi->base) {
-		ret = -ENOMEM;
-		goto emap;
-	}
-
-	if (!request_mem_region(res2->start, resource_size(res2), pdev->name)) {
-		dev_err(&pdev->dev, "MIPI register region 2 already claimed\n");
-		ret = -EBUSY;
-		goto ereqreg2;
-	}
-
-	mipi->linkbase = ioremap(res2->start, resource_size(res2));
-	if (!mipi->linkbase) {
-		ret = -ENOMEM;
-		goto emap2;
-	}
-
-	mipi->pdev = pdev;
-
-	mipi->dsit_clk = clk_get(&pdev->dev, "dsit_clk");
-	if (IS_ERR(mipi->dsit_clk)) {
-		ret = PTR_ERR(mipi->dsit_clk);
-		goto eclktget;
-	}
-
-	f_current = clk_get_rate(mipi->dsit_clk);
-	/* 80MHz required by the datasheet */
-	rate = clk_round_rate(mipi->dsit_clk, 80000000);
-	if (rate > 0 && rate != f_current)
-		ret = clk_set_rate(mipi->dsit_clk, rate);
-	else
-		ret = rate;
-	if (ret < 0)
-		goto esettrate;
-
-	dev_dbg(&pdev->dev, "DSI-T clk %lu -> %lu\n", f_current, rate);
-
-	ret = clk_enable(mipi->dsit_clk);
-	if (ret < 0)
-		goto eclkton;
-
-	mipi_dsi[idx] = mipi;
-
-	pm_runtime_enable(&pdev->dev);
-	pm_runtime_resume(&pdev->dev);
-
-	mutex_unlock(&array_lock);
-	platform_set_drvdata(pdev, &mipi->entity);
-
-	return 0;
-
-eclkton:
-esettrate:
-	clk_put(mipi->dsit_clk);
-eclktget:
-	iounmap(mipi->linkbase);
-emap2:
-	release_mem_region(res2->start, resource_size(res2));
-ereqreg2:
-	iounmap(mipi->base);
-emap:
-	release_mem_region(res->start, resource_size(res));
-ereqreg:
-	kfree(mipi);
-ealloc:
-efindslot:
-	mutex_unlock(&array_lock);
-
-	return ret;
-}
-
-static int sh_mipi_remove(struct platform_device *pdev)
-{
-	struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	struct resource *res2 = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-	struct sh_mipi *mipi = to_sh_mipi(platform_get_drvdata(pdev));
-	int i, ret;
-
-	mutex_lock(&array_lock);
-
-	for (i = 0; i < ARRAY_SIZE(mipi_dsi) && mipi_dsi[i] != mipi; i++)
-		;
-
-	if (i = ARRAY_SIZE(mipi_dsi)) {
-		ret = -EINVAL;
-	} else {
-		ret = 0;
-		mipi_dsi[i] = NULL;
-	}
-
-	mutex_unlock(&array_lock);
-
-	if (ret < 0)
-		return ret;
-
-	pm_runtime_disable(&pdev->dev);
-	clk_disable(mipi->dsit_clk);
-	clk_put(mipi->dsit_clk);
-
-	iounmap(mipi->linkbase);
-	if (res2)
-		release_mem_region(res2->start, resource_size(res2));
-	iounmap(mipi->base);
-	if (res)
-		release_mem_region(res->start, resource_size(res));
-	kfree(mipi);
-
-	return 0;
-}
-
-static struct platform_driver sh_mipi_driver = {
-	.remove		= sh_mipi_remove,
-	.shutdown	= sh_mipi_shutdown,
-	.driver = {
-		.name	= "sh-mipi-dsi",
-	},
-};
-
-module_platform_driver_probe(sh_mipi_driver, sh_mipi_probe);
-
-MODULE_AUTHOR("Guennadi Liakhovetski <g.liakhovetski@gmx.de>");
-MODULE_DESCRIPTION("SuperH / ARM-shmobile MIPI DSI driver");
-MODULE_LICENSE("GPL v2");
diff --git a/include/video/sh_mipi_dsi.h b/include/video/sh_mipi_dsi.h
deleted file mode 100644
index a01f197e6ac1..000000000000
--- a/include/video/sh_mipi_dsi.h
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * Public SH-mobile MIPI DSI header
- *
- * Copyright (C) 2010 Guennadi Liakhovetski <g.liakhovetski@gmx.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#ifndef VIDEO_SH_MIPI_DSI_H
-#define VIDEO_SH_MIPI_DSI_H
-
-enum sh_mipi_dsi_data_fmt {
-	MIPI_RGB888,
-	MIPI_RGB565,
-	MIPI_RGB666_LP,
-	MIPI_RGB666,
-	MIPI_BGR888,
-	MIPI_BGR565,
-	MIPI_BGR666_LP,
-	MIPI_BGR666,
-	MIPI_YUYV,
-	MIPI_UYVY,
-	MIPI_YUV420_L,
-	MIPI_YUV420,
-};
-
-#define SH_MIPI_DSI_HSABM	(1 << 0)
-#define SH_MIPI_DSI_HBPBM	(1 << 1)
-#define SH_MIPI_DSI_HFPBM	(1 << 2)
-#define SH_MIPI_DSI_BL2E	(1 << 3)
-#define SH_MIPI_DSI_VSEE	(1 << 4)
-#define SH_MIPI_DSI_HSEE	(1 << 5)
-#define SH_MIPI_DSI_HSAE	(1 << 6)
-
-#define SH_MIPI_DSI_HSbyteCLK	(1 << 24)
-#define SH_MIPI_DSI_HS6divCLK	(1 << 25)
-#define SH_MIPI_DSI_HS4divCLK	(1 << 26)
-
-#define SH_MIPI_DSI_SYNC_PULSES_MODE	(SH_MIPI_DSI_VSEE | \
-					 SH_MIPI_DSI_HSEE | \
-					 SH_MIPI_DSI_HSAE)
-#define SH_MIPI_DSI_SYNC_EVENTS_MODE	(0)
-#define SH_MIPI_DSI_SYNC_BURST_MODE	(SH_MIPI_DSI_BL2E)
-
-struct sh_mipi_dsi_info {
-	enum sh_mipi_dsi_data_fmt	data_format;
-	int				channel;
-	int				lane;
-	unsigned long			flags;
-	u32				clksrc;
-	u32				phyctrl; /* for extra setting */
-	unsigned int			vsynw_offset;
-	int	(*set_dot_clock)(struct platform_device *pdev,
-				 void __iomem *base,
-				 int enable);
-};
-
-#endif
-- 
2.1.4