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MLK-9674-3 arm: imx: add QSPI save/restore when M4 is enabled
authorAllen Xu <b45815@freescale.com>
Mon, 13 Oct 2014 23:15:35 +0000 (18:15 -0500)
committerNitin Garg <nitin.garg@freescale.com>
Fri, 16 Jan 2015 03:18:42 +0000 (21:18 -0600)
commit5f89895c761d8a1d5136900b6412c1bab2762490
tree3d3c94a5c90b30b933556e9ea4ebdf0b7e42d070tree | snapshot
parent00bd4a59ac1b5439e0cb8e2e0bd9d7c526c5880ecommit | diff
MLK-9674-3 arm: imx: add QSPI save/restore when M4 is enabled

As M4 is executing on QSPI2 flash, and QSPI is inside Mega/Fast
domain which may lost power in DSM, so we need to do save/restore
of QSPI2 controller to make sure QSPI flash can be accessed before
waking up M4 after exiting from DSM.

Signed-off-by: Allen Xu <b45815@freescale.com>
Signed-off-by: Anson Huang <b20788@freescale.com>
arch/arm/mach-imx/pm-imx6.c diff | blob | history
Linux kernel for KaRo TX COM modules