mk-rootfs.sh

hc

2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376

 kernel/drivers/auxdisplay/ht16k33.c
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@@ -74,7 +74,7 @@
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 	struct ht16k33_fbdev fbdev;
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 };
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-static struct fb_fix_screeninfo ht16k33_fb_fix = {
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+static const struct fb_fix_screeninfo ht16k33_fb_fix = {
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 	.id		= DRIVER_NAME,
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 	.type		= FB_TYPE_PACKED_PIXELS,
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 	.visual		= FB_VISUAL_MONO10,
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@@ -85,7 +85,7 @@
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 	.accel		= FB_ACCEL_NONE,
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 };
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-static struct fb_var_screeninfo ht16k33_fb_var = {
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+static const struct fb_var_screeninfo ht16k33_fb_var = {
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 	.xres = HT16K33_MATRIX_LED_MAX_ROWS,
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 	.yres = HT16K33_MATRIX_LED_MAX_COLS,
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 	.xres_virtual = HT16K33_MATRIX_LED_MAX_ROWS,
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@@ -231,12 +231,12 @@
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 static int ht16k33_mmap(struct fb_info *info, struct vm_area_struct *vma)
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 {
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 	struct ht16k33_priv *priv = info->par;
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+	struct page *pages = virt_to_page(priv->fbdev.buffer);
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-	return vm_insert_page(vma, vma->vm_start,
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-			      virt_to_page(priv->fbdev.buffer));
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+	return vm_map_pages_zero(vma, &pages, 1);
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 }
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-static struct fb_ops ht16k33_fb_ops = {
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+static const struct fb_ops ht16k33_fb_ops = {
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 	.owner = THIS_MODULE,
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 	.fb_read = fb_sys_read,
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 	.fb_write = fb_sys_write,