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ENGR00222834 MX6x-A9 prefetcher should not access DDR before IO is restored
authorRanjani Vaidyanathan <ra5478@freescale.com>
Sun, 2 Sep 2012 15:32:35 +0000 (10:32 -0500)
committerLothar Waßmann <LW@KARO-electronics.de>
Fri, 24 May 2013 06:35:21 +0000 (08:35 +0200)
commit302b519f56afc54d4c9670e77ccad8ff9d48ff5a
tree401410cf29e8f4f8475b465cbe10beb85a6d80c5tree | snapshot
parent35035da6dd25890ce0081eadd6a8484fd504c39ecommit | diff
ENGR00222834 MX6x-A9 prefetcher should not access DDR before IO is restored

Add enough nops to suspend code when exiting due to a pending
interrupt. This is required so that we can guarantee that the
prefetch unit will not bring DDR out of self-refresh before
all of the DDR's IO pads are restored.

Signed-off-by: Ranjani Vaidyanathan <ra5478@freescale.com>
arch/arm/mach-mx6/mx6_suspend.S diff | blob | history
Linux kernel for KaRo TX COM modules