# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1453666697 -3600
# Node ID 6400d86806d5ff2bf59cb1d672c7bbe6618618c5
# Parent  5d76620989dfa217d0beadac50295ddb869dfc99
Use proper pointer arithmetic to initialise structure pointer members.

diff -r 5d76620989df -r 6400d86806d5 stage2/jzlcd.c
--- a/stage2/jzlcd.c	Sun Jan 24 21:04:35 2016 +0100
+++ b/stage2/jzlcd.c	Sun Jan 24 21:18:17 2016 +0100
@@ -99,11 +99,13 @@
 
 static void jz_lcd_desc_init(vidinfo_t *vid)
 {
+	struct jz_fb_dma_descriptor *descriptors;
 	struct jz_fb_info * fbi;
 	fbi = &vid->jz_fb;
-	fbi->dmadesc_fblow = (struct jz_fb_dma_descriptor *)((unsigned int)fbi->palette - 3*16);
-	fbi->dmadesc_fbhigh = (struct jz_fb_dma_descriptor *)((unsigned int)fbi->palette - 2*16);
-	fbi->dmadesc_palette = (struct jz_fb_dma_descriptor *)((unsigned int)fbi->palette - 1*16);
+	descriptors = ((struct jz_fb_dma_descriptor *) fbi->palette) - 3;
+	fbi->dmadesc_fblow = (struct jz_fb_dma_descriptor *) &descriptors[0];
+	fbi->dmadesc_fbhigh = (struct jz_fb_dma_descriptor *) &descriptors[1];
+	fbi->dmadesc_palette = (struct jz_fb_dma_descriptor *) &descriptors[2];
 
 	/* populate descriptors */
 	fbi->dmadesc_fblow->fdadr = virt_to_phys(fbi->dmadesc_fblow);