layerscape: add ls1088ardb device support

[openwrt/staging/yousong.git] / target / linux / layerscape / patches-4.4 / 7172-staging-fsl-mc-set-cacheable-flag-for-added-devices-.patch

diff --git a/target/linux/layerscape/patches-4.4/7172-staging-fsl-mc-set-cacheable-flag-for-added-devices-.patch b/target/linux/layerscape/patches-4.4/7172-staging-fsl-mc-set-cacheable-flag-for-added-devices-.patch
new file mode 100644 (file)
index 0000000..7de34d1
--- /dev/null
+++ b/target/linux/layerscape/patches-4.4/7172-staging-fsl-mc-set-cacheable-flag-for-added-devices-.patch
@@ -0,0 +1,30 @@
+From f7011c18a26d40a07b837a79d0efdad795ad7250 Mon Sep 17 00:00:00 2001
+From: Itai Katz <itai.katz@nxp.com>
+Date: Mon, 11 Apr 2016 11:55:48 -0500
+Subject: [PATCH 172/226] staging: fsl-mc: set cacheable flag for added
+ devices if applicable
+
+Some DPAA2 devices have mmio regions that should be mapped as
+cacheable by drivers.  Set IORESOURCE_CACHEABLE in the region's
+flags if applicable.
+
+Signed-off-by: Itai Katz <itai.katz@nxp.com>
+[Stuart: update subject and commit message]
+Signed-off-by: Stuart Yoder <stuart.yoder@nxp.com>
+Acked-by: German Rivera <german.rivera@nxp.com>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+---
+ drivers/staging/fsl-mc/bus/mc-bus.c |    2 ++
+ 1 file changed, 2 insertions(+)
+
+--- a/drivers/staging/fsl-mc/bus/mc-bus.c
++++ b/drivers/staging/fsl-mc/bus/mc-bus.c
+@@ -354,6 +354,8 @@ static int fsl_mc_device_get_mmio_region
+               regions[i].end = regions[i].start + region_desc.size - 1;
+               regions[i].name = "fsl-mc object MMIO region";
+               regions[i].flags = IORESOURCE_IO;
++              if (region_desc.flags & DPRC_REGION_CACHEABLE)
++                      regions[i].flags |= IORESOURCE_CACHEABLE;
+       }
+ 
+       mc_dev->regions = regions;