linux-kernel - [PATCH 0/1 update8] drivers: add LCD support

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Date:	Wed, 8 Nov 2006 20:49:06 +0100
From:	Miguel Ojeda Sandonis <maxextreme@...il.com>
To:	akpm@...l.org
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 0/1 update8] drivers: add LCD support

Andrew, another one for drivers-add-lcd-support saga. Thanks you.
---

 - add "depends on x86" until some solution to d-cache
   aliasing is provided

 - use the new and simpler vm_insert_page()
     instead of nopage() related code

 drivers/auxdisplay/Kconfig        |    1 +
 drivers/auxdisplay/cfag12864bfb.c |   21 ++-------------------
 2 files changed, 3 insertions(+), 19 deletions(-)

drivers-add-lcd-support-update8.patch
Signed-off-by: Miguel Ojeda Sandonis <maxextreme@...il.com>
---
diff --git a/drivers/auxdisplay/Kconfig b/drivers/auxdisplay/Kconfig
index ee30c48..8d41f72 100644
--- a/drivers/auxdisplay/Kconfig
+++ b/drivers/auxdisplay/Kconfig
@@ -64,6 +64,7 @@ config KS0108_DELAY
 
 config CFAG12864B
 	tristate "CFAG12864B LCD"
+	depends on X86
 	depends on KS0108
 	default n
 	---help---
diff --git a/drivers/auxdisplay/cfag12864bfb.c b/drivers/auxdisplay/cfag12864bfb.c
index 87b86af..94765e7 100644
--- a/drivers/auxdisplay/cfag12864bfb.c
+++ b/drivers/auxdisplay/cfag12864bfb.c
@@ -65,27 +65,10 @@ static struct fb_var_screeninfo cfag1286
 	.vmode = FB_VMODE_NONINTERLACED,
 };
 
-static struct page *cfag12864bfb_vma_nopage(struct vm_area_struct *vma,
-	unsigned long address, int *type)
-{
-	struct page *page = virt_to_page(cfag12864b_buffer);
-	get_page(page);
-
-	if (type)
-		*type = VM_FAULT_MINOR;
-
-	return page;
-}
-
-static struct vm_operations_struct cfag12864bfb_vm_ops = {
-	.nopage = cfag12864bfb_vma_nopage,
-};
-
 static int cfag12864bfb_mmap(struct fb_info *info, struct vm_area_struct *vma)
 {
-	vma->vm_ops = &cfag12864bfb_vm_ops;
-	vma->vm_flags |= VM_RESERVED;
-	return 0;
+	return vm_insert_page(vma, vma->vm_start,
+		virt_to_page(cfag12864b_buffer));
 }
 
 static struct fb_ops cfag12864bfb_ops = {
-
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