Signed-off-by: Robert P. J. Day <rpjday@xxxxxxxxxxxxxx>
---
stole the comment straight from U-Boot, it seems useful since that
line of code isn't at all intuitive.
diff --git a/arch/arm/mach-omap/omap4_generic.c b/arch/arm/mach-omap/omap4_generic.c
index 5223c7e..c6e46e6 100644
--- a/arch/arm/mach-omap/omap4_generic.c
+++ b/arch/arm/mach-omap/omap4_generic.c
@@ -352,6 +352,7 @@ static unsigned int cortex_a9_rev(void)
unsigned int i;
+ /* Read Main ID Register (MIDR) */
asm ("mrc p15, 0, %0, c0, c0, 0" : "=r" (i));
return i;
--
========================================================================
Robert P. J. Day Ottawa, Ontario, CANADA
http://crashcourse.ca
Twitter: http://twitter.com/rpjday
LinkedIn: http://ca.linkedin.com/in/rpjday
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