add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/video/fbdev/cyber2000fb.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  *  linux/drivers/video/cyber2000fb.c
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  *
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@@ -8,10 +9,6 @@
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  *
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  *  32 bit support, text color and panning fixes for modes != 8 bit
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  *  Copyright (C) 2002 Denis Oliver Kropp <dok@directfb.org>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  *
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  * Integraphics CyberPro 2000, 2010 and 5000 frame buffer device
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  *
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@@ -50,7 +47,6 @@
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 #include <linux/i2c.h>
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 #include <linux/i2c-algo-bit.h>
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-#include <asm/pgtable.h>
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 #ifdef __arm__
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 #include <asm/mach-types.h>
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@@ -61,7 +57,6 @@
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 struct cfb_info {
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 	struct fb_info		fb;
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 	struct display_switch	*dispsw;
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-	struct display		*display;
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 	unsigned char		__iomem *region;
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 	unsigned char		__iomem *regs;
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 	u_int			id;
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@@ -1064,7 +1059,7 @@
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 	return 0;
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 }
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-static struct fb_ops cyber2000fb_ops = {
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+static const struct fb_ops cyber2000fb_ops = {
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 	.owner		= THIS_MODULE,
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 	.fb_check_var	= cyber2000fb_check_var,
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 	.fb_set_par	= cyber2000fb_set_par,
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@@ -1164,12 +1159,14 @@
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 #define DDC_SDA_IN	(1 << 6)
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 static void cyber2000fb_enable_ddc(struct cfb_info *cfb)
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+	__acquires(&cfb->reg_b0_lock)
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 {
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 	spin_lock(&cfb->reg_b0_lock);
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 	cyber2000fb_writew(0x1bf, 0x3ce, cfb);
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 }
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 static void cyber2000fb_disable_ddc(struct cfb_info *cfb)
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+	__releases(&cfb->reg_b0_lock)
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 {
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 	cyber2000fb_writew(0x0bf, 0x3ce, cfb);
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 	spin_unlock(&cfb->reg_b0_lock);
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@@ -1642,10 +1639,6 @@
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 }
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 /*
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- * PCI specific support.
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- */
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-#ifdef CONFIG_PCI
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-/*
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  * We need to wake up the CyberPro, and make sure its in linear memory
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  * mode.  Unfortunately, this is specific to the platform and card that
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  * we are running on.
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@@ -1817,7 +1810,7 @@
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 	}
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 }
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-static int cyberpro_pci_suspend(struct pci_dev *dev, pm_message_t state)
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+static int __maybe_unused cyberpro_pci_suspend(struct device *dev)
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 {
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 	return 0;
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 }
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@@ -1825,9 +1818,9 @@
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 /*
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  * Re-initialise the CyberPro hardware
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  */
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-static int cyberpro_pci_resume(struct pci_dev *dev)
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+static int __maybe_unused cyberpro_pci_resume(struct device *dev)
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 {
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-	struct cfb_info *cfb = pci_get_drvdata(dev);
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+	struct cfb_info *cfb = dev_get_drvdata(dev);
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 	if (cfb) {
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 		cyberpro_pci_enable_mmio(cfb);
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@@ -1853,15 +1846,17 @@
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 MODULE_DEVICE_TABLE(pci, cyberpro_pci_table);
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+static SIMPLE_DEV_PM_OPS(cyberpro_pci_pm_ops,
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+			 cyberpro_pci_suspend,
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+			 cyberpro_pci_resume);
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+
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 static struct pci_driver cyberpro_driver = {
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 	.name		= "CyberPro",
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 	.probe		= cyberpro_pci_probe,
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 	.remove		= cyberpro_pci_remove,
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-	.suspend	= cyberpro_pci_suspend,
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-	.resume		= cyberpro_pci_resume,
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+	.driver.pm	= &cyberpro_pci_pm_ops,
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 	.id_table	= cyberpro_pci_table
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 };
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-#endif
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 /*
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  * I don't think we can use the "module_init" stuff here because