[RFC][PATCH 03/10] arm: mxc: changes to common plat-mxc code to add support for i.MX5
From: Russell King - ARM Linux <hidden>
Date: 2009-12-04 10:43:14
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On Fri, Dec 04, 2009 at 04:47:03AM +0200, Amit Kucheria wrote:
+#elif defined CONFIG_MXC_TZIC + @ Load offset & priority of the highest priority + @ interrupt pending. + @ 0xD80 is HIPND0 register + ldr \irqnr, =0 + ldr \irqstat, =0x0D80
Both these constants can be loaded by a 'mov' instruction.
+1000: + ldr \tmp, [\irqstat, \base] + cmp \tmp, #0 + bne 1001f + addeq \irqnr, \irqnr, #32 + addeq \irqstat, \irqstat, #4 + cmp \irqnr, #128 + blo 1000b + b 2001f +1001: ldr \irqstat, =1
mov \irqstat, #1
+1002: tst \tmp, \irqstat + bne 2002f + movs \tmp, \tmp, lsr #1 + addne \irqnr, \irqnr, #1 + bne 1002b +2001: + ldr \irqnr, =0
mov \irqnr, #0 would be better.
quoted hunk ↗ jump to hunk
diff --git a/arch/arm/plat-mxc/time.c b/arch/arm/plat-mxc/time.c index 844567e..97fb590 100644 --- a/arch/arm/plat-mxc/time.c +++ b/arch/arm/plat-mxc/time.c@@ -25,6 +25,7 @@ #include <linux/irq.h> #include <linux/clockchips.h> #include <linux/clk.h> +#include <linux/delay.h>
What is the reason for adding this include?