mvebu: backport mainline patches from kernel 3.12

This is a backport of the patches accepted to the Linux mainline related to
mvebu SoC (Armada XP and Armada 370) between Linux v3.11, and Linux v3.12.
This work mainly covers:

* Ground work for sharing the pxa nand driver(drivers/mtd/nand/pxa3xx_nand.c)
  between the PXA family,and the Armada family.
* Further updates to the mvebu MBus.
* Work and ground work for enabling MSI on the Armada family.
* some phy / mdio bus initialization related work.
* Device tree binding documentation update.

Signed-off-by: Seif Mazareeb <seif.mazareeb@gmail.com>
CC: Luka Perkov <luka@openwrt.org>

SVN-Revision: 39565

1 files changed, 31 insertions, 0 deletions

diff --git a/target/linux/mvebu/patches-3.10/0093-mtd-get-the-ECC-info-from-the-parameter-page-for-ONF.patch b/target/linux/mvebu/patches-3.10/0093-mtd-get-the-ECC-info-from-the-parameter-page-for-ONF.patch
new file mode 100644
index 0000000..6c70fda
--- /dev/null
+++ b/target/linux/mvebu/patches-3.10/0093-mtd-get-the-ECC-info-from-the-parameter-page-for-ONF.patch
@@ -0,0 +1,31 @@
+From ceef2075f3aa430da137e3629b0280a46d420ccd Mon Sep 17 00:00:00 2001
+From: Huang Shijie <b32955@freescale.com>
+Date: Fri, 17 May 2013 11:17:26 +0800
+Subject: [PATCH 093/203] mtd: get the ECC info from the parameter page for
+ ONFI nand
+
+From the ONFI spec, we can just get the ECC info from the @ecc_bits field of
+the parameter page.
+
+Signed-off-by: Huang Shijie <b32955@freescale.com>
+Reviewed-and-tested-by: Brian Norris <computersforpeace@gmail.com>
+Signed-off-by: Brian Norris <computersforpeace@gmail.com>
+Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
+---
+ drivers/mtd/nand/nand_base.c | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+--- a/drivers/mtd/nand/nand_base.c
++++ b/drivers/mtd/nand/nand_base.c
+@@ -2924,6 +2924,11 @@ static int nand_flash_detect_onfi(struct
+ 	if (le16_to_cpu(p->features) & 1)
+ 		*busw = NAND_BUSWIDTH_16;
+ 
++	if (p->ecc_bits != 0xff) {
++		chip->ecc_strength_ds = p->ecc_bits;
++		chip->ecc_step_ds = 512;
++	}
++
+ 	pr_info("ONFI flash detected\n");
+ 	return 1;
+ }