net: sun8i-emac: fix printing NULL character

[u-boot] / drivers / video / mxc_ipuv3_fb.c

diff --git a/drivers/video/mxc_ipuv3_fb.c b/drivers/video/mxc_ipuv3_fb.c
index ace226cececfa72a1202d24a67e49ed8e7507156..23cd55de47967a487e76383cf2c3f3faf3eabac4 100644 (file)
--- a/drivers/video/mxc_ipuv3_fb.c
+++ b/drivers/video/mxc_ipuv3_fb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Porting to u-boot:
  *
@@ -7,28 +8,11 @@
  * MX51 Linux framebuffer:
  *
  * (C) Copyright 2004-2010 Freescale Semiconductor, Inc.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
  */
 
 #include <common.h>
-#include <asm/errno.h>
+#include <linux/errno.h>
+#include <asm/global_data.h>
 #include <linux/string.h>
 #include <linux/list.h>
 #include <linux/fb.h>
@@ -40,6 +24,8 @@
 #include "mxcfb.h"
 #include "ipu_regs.h"
 
+DECLARE_GLOBAL_DATA_PTR;
+
 static int mxcfb_map_video_memory(struct fb_info *fbi);
 static int mxcfb_unmap_video_memory(struct fb_info *fbi);
 
@@ -49,7 +35,7 @@ static struct fb_videomode const *gmode;
 static uint8_t gdisp;
 static uint32_t gpixfmt;
 
-void fb_videomode_to_var(struct fb_var_screeninfo *var,
+static void fb_videomode_to_var(struct fb_var_screeninfo *var,
                         const struct fb_videomode *mode)
 {
        var->xres = mode->xres;
@@ -271,8 +257,7 @@ static int mxcfb_set_par(struct fb_info *fbi)
        if (fbi->var.sync & FB_SYNC_CLK_IDLE_EN)
                sig_cfg.clkidle_en = 1;
 
-       debug("pixclock = %ul Hz\n",
-               (u32) (PICOS2KHZ(fbi->var.pixclock) * 1000UL));
+       debug("pixclock = %lu Hz\n", PICOS2KHZ(fbi->var.pixclock) * 1000UL);
 
        if (ipu_init_sync_panel(mxc_fbi->ipu_di,
                                (PICOS2KHZ(fbi->var.pixclock)) * 1000UL,
@@ -415,8 +400,9 @@ static int mxcfb_map_video_memory(struct fb_info *fbi)
                fbi->fix.smem_len = fbi->var.yres_virtual *
                                    fbi->fix.line_length;
        }
-
-       fbi->screen_base = (char *)malloc(fbi->fix.smem_len);
+       fbi->fix.smem_len = roundup(fbi->fix.smem_len, ARCH_DMA_MINALIGN);
+       fbi->screen_base = (char *)memalign(ARCH_DMA_MINALIGN,
+                                           fbi->fix.smem_len);
        fbi->fix.smem_start = (unsigned long)fbi->screen_base;
        if (fbi->screen_base == 0) {
                puts("Unable to allocate framebuffer memory\n");
@@ -430,6 +416,8 @@ static int mxcfb_map_video_memory(struct fb_info *fbi)
 
        fbi->screen_size = fbi->fix.smem_len;
 
+       gd->fb_base = fbi->fix.smem_start;
+
        /* Clear the screen */
        memset((char *)fbi->screen_base, 0, fbi->fix.smem_len);
 
@@ -496,7 +484,7 @@ static struct fb_info *mxcfb_init_fbinfo(void)
 
 /*
  * Probe routine for the framebuffer driver. It is called during the
- * driver binding process.      The following functions are performed in
+ * driver binding process. The following functions are performed in
  * this routine: Framebuffer initialization, Memory allocation and
  * mapping, Framebuffer registration, IPU initialization.
  *
@@ -552,7 +540,7 @@ static int mxcfb_probe(u32 interface_pix_fmt, uint8_t disp,
 
        mxcfb_set_fix(fbi);
 
-       /* alocate fb first */
+       /* allocate fb first */
        if (mxcfb_map_video_memory(fbi) < 0)
                return -ENOMEM;
 
@@ -582,6 +570,9 @@ void ipuv3_fb_shutdown(void)
        int i;
        struct ipu_stat *stat = (struct ipu_stat *)IPU_STAT;
 
+       if (!ipu_clk_enabled())
+               return;
+
        for (i = 0; i < ARRAY_SIZE(mxcfb_info); i++) {
                struct fb_info *fbi = mxcfb_info[i];
                if (fbi) {
@@ -610,15 +601,6 @@ void *video_hw_init(void)
        return (void *)&panel;
 }
 
-void video_set_lut(unsigned int index, /* color number */
-                       unsigned char r,    /* red */
-                       unsigned char g,    /* green */
-                       unsigned char b     /* blue */
-                       )
-{
-       return;
-}
-
 int ipuv3_fb_init(struct fb_videomode const *mode,
                  uint8_t disp,
                  uint32_t pixfmt)