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yaml --- r: 259112 b: refs/heads/master c: 7b93ecc h: refs/heads/master v: v3
git-mirror · Jun 27, 2011 · a74d8c1 · a74d8c1
1 parent 2440a41
commit a74d8c1
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Showing 2 changed files with 7 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ebf714ff37561331eb39963945d80bfc2a59e00f
+refs/heads/master: 7b93eccf2876ba3b1c10dae22ca864a0eb08de4f
diff --git a/trunk/arch/powerpc/platforms/85xx/p1022_ds.c b/trunk/arch/powerpc/platforms/85xx/p1022_ds.c
@@ -195,8 +195,13 @@ void p1022ds_set_pixel_clock(unsigned int pixclock)
 	do_div(temp, pixclock);
 	freq = temp;
 
-	/* pixclk is the ratio of the platform clock to the pixel clock */
+	/*
+	 * 'pxclk' is the ratio of the platform clock to the pixel clock.
+	 * This number is programmed into the CLKDVDR register, and the valid
+	 * range of values is 2-255.
+	 */
 	pxclk = DIV_ROUND_CLOSEST(fsl_get_sys_freq(), freq);
+	pxclk = clamp_t(u32, pxclk, 2, 255);
 
 	/* Disable the pixel clock, and set it to non-inverted and no delay */
 	clrbits32(&guts->clkdvdr,