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authorYutang Jiang <yutang.jiang@nxp.com>2016-12-24 01:11:32 +0800
committerJo-Philipp Wich <jo@mein.io>2017-01-03 15:19:15 +0100
commit1866368a8ab8cacf73aa47f67138040d5620439d (patch)
tree2b0dd1ba578016957856f59bf4b2edc54d6a46c5 /target/linux/layerscape/patches-4.4/7171-staging-fsl-mc-set-up-coherent-dma-ops-for-added-dev.patch
parentc6d3a62919a7f993be625391d8593c84423aa021 (diff)
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layerscape: add ls1088ardb device support
LS1088A is an ARMv8 implementation combining eight ARM A53 processor cores. The LS1088ARDB is an evaluatoin platform that supports the LS1088A family SoCs. Features summary: - Eight 64-bit ARM v8 Cortex-A53 CPUs - Data path acceleration architecture 2.0 (DPAA2) - Ethernet interfaces - QUADSPI flash, 3 PCIe, 2 USB, 1 SD, 2 DUARTs etc Signed-off-by: Yutang Jiang <yutang.jiang@nxp.com>
Diffstat (limited to 'target/linux/layerscape/patches-4.4/7171-staging-fsl-mc-set-up-coherent-dma-ops-for-added-dev.patch')
-rw-r--r--target/linux/layerscape/patches-4.4/7171-staging-fsl-mc-set-up-coherent-dma-ops-for-added-dev.patch29
1 files changed, 29 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-4.4/7171-staging-fsl-mc-set-up-coherent-dma-ops-for-added-dev.patch b/target/linux/layerscape/patches-4.4/7171-staging-fsl-mc-set-up-coherent-dma-ops-for-added-dev.patch
new file mode 100644
index 0000000000..d6de805e6a
--- /dev/null
+++ b/target/linux/layerscape/patches-4.4/7171-staging-fsl-mc-set-up-coherent-dma-ops-for-added-dev.patch
@@ -0,0 +1,29 @@
+From 3657147d6fea1977c07373325626bf50fe15bcfc Mon Sep 17 00:00:00 2001
+From: Stuart Yoder <stuart.yoder@nxp.com>
+Date: Mon, 11 Apr 2016 11:49:13 -0500
+Subject: [PATCH 171/226] staging: fsl-mc: set up coherent dma ops for added
+ devices
+
+Unless discovered devices have the no shareability flag set,
+set up coherent dma ops for them.
+
+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 | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+--- a/drivers/staging/fsl-mc/bus/mc-bus.c
++++ b/drivers/staging/fsl-mc/bus/mc-bus.c
+@@ -469,6 +469,10 @@ int fsl_mc_device_add(struct dprc_obj_de
+ goto error_cleanup_dev;
+ }
+
++ /* Objects are coherent, unless 'no shareability' flag set. */
++ if (!(obj_desc->flags & DPRC_OBJ_FLAG_NO_MEM_SHAREABILITY))
++ arch_setup_dma_ops(&mc_dev->dev, 0, 0, NULL, true);
++
+ /*
+ * The device-specific probe callback will get invoked by device_add()
+ */