From 95099d4622f8cb224d94e314c7a8e0df60b13f87 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:01 +0000
Subject: [PATCH] enable docker ppp
---
kernel/drivers/video/fbdev/s3c-fb.c | 34 ++++++++++++++--------------------
1 files changed, 14 insertions(+), 20 deletions(-)
diff --git a/kernel/drivers/video/fbdev/s3c-fb.c b/kernel/drivers/video/fbdev/s3c-fb.c
index 9ec85cc..ba316bd 100644
--- a/kernel/drivers/video/fbdev/s3c-fb.c
+++ b/kernel/drivers/video/fbdev/s3c-fb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* linux/drivers/video/s3c-fb.c
*
* Copyright 2008 Openmoko Inc.
@@ -6,10 +7,6 @@
* http://armlinux.simtec.co.uk/
*
* Samsung SoC Framebuffer driver
- *
- * 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.
*/
#include <linux/kernel.h>
@@ -287,7 +284,7 @@
/* 666 with one bit alpha/transparency */
var->transp.offset = 18;
var->transp.length = 1;
- /* drop through */
+ fallthrough;
case 18:
var->bits_per_pixel = 32;
@@ -315,7 +312,7 @@
case 25:
var->transp.length = var->bits_per_pixel - 24;
var->transp.offset = 24;
- /* drop through */
+ fallthrough;
case 24:
/* our 24bpp is unpacked, so 32bpp */
var->bits_per_pixel = 32;
@@ -812,7 +809,7 @@
case FB_BLANK_POWERDOWN:
wincon &= ~WINCONx_ENWIN;
sfb->enabled &= ~(1 << index);
- /* fall through to FB_BLANK_NORMAL */
+ fallthrough; /* to FB_BLANK_NORMAL */
case FB_BLANK_NORMAL:
/* disable the DMA and display 0x0 (black) */
@@ -1038,7 +1035,7 @@
return ret;
}
-static struct fb_ops s3c_fb_ops = {
+static const struct fb_ops s3c_fb_ops = {
.owner = THIS_MODULE,
.fb_check_var = s3c_fb_check_var,
.fb_set_par = s3c_fb_set_par,
@@ -1105,14 +1102,14 @@
dev_dbg(sfb->dev, "want %u bytes for window\n", size);
- fbi->screen_base = dma_alloc_wc(sfb->dev, size, &map_dma, GFP_KERNEL);
- if (!fbi->screen_base)
+ fbi->screen_buffer = dma_alloc_wc(sfb->dev, size, &map_dma, GFP_KERNEL);
+ if (!fbi->screen_buffer)
return -ENOMEM;
dev_dbg(sfb->dev, "mapped %x to %p\n",
- (unsigned int)map_dma, fbi->screen_base);
+ (unsigned int)map_dma, fbi->screen_buffer);
- memset(fbi->screen_base, 0x0, size);
+ memset(fbi->screen_buffer, 0x0, size);
fbi->fix.smem_start = map_dma;
return 0;
@@ -1129,9 +1126,9 @@
{
struct fb_info *fbi = win->fbinfo;
- if (fbi->screen_base)
+ if (fbi->screen_buffer)
dma_free_wc(sfb->dev, PAGE_ALIGN(fbi->fix.smem_len),
- fbi->screen_base, fbi->fix.smem_start);
+ fbi->screen_buffer, fbi->fix.smem_start);
}
/**
@@ -1189,10 +1186,8 @@
fbinfo = framebuffer_alloc(sizeof(struct s3c_fb_win) +
palette_size * sizeof(u32), sfb->dev);
- if (!fbinfo) {
- dev_err(sfb->dev, "failed to allocate framebuffer\n");
- return -ENOENT;
- }
+ if (!fbinfo)
+ return -ENOMEM;
windata = sfb->pdata->win[win_no];
initmode = *sfb->pdata->vtiming;
@@ -1416,8 +1411,7 @@
pm_runtime_enable(sfb->dev);
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- sfb->regs = devm_ioremap_resource(dev, res);
+ sfb->regs = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(sfb->regs)) {
ret = PTR_ERR(sfb->regs);
goto err_lcd_clk;
--
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