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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-4.4/7153-staging-fsl-mc-Added-MSI-support-to-the-MC-bus-drive.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-4.4/7153-staging-fsl-mc-Added-MSI-support-to-the-MC-bus-drive.patch')
-rw-r--r--target/linux/layerscape/patches-4.4/7153-staging-fsl-mc-Added-MSI-support-to-the-MC-bus-drive.patch59
1 files changed, 59 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-4.4/7153-staging-fsl-mc-Added-MSI-support-to-the-MC-bus-drive.patch b/target/linux/layerscape/patches-4.4/7153-staging-fsl-mc-Added-MSI-support-to-the-MC-bus-drive.patch
new file mode 100644
index 0000000000..cbc6c5e650
--- /dev/null
+++ b/target/linux/layerscape/patches-4.4/7153-staging-fsl-mc-Added-MSI-support-to-the-MC-bus-drive.patch
@@ -0,0 +1,59 @@
+From f588a135d9260f2e7fe29b0bb0b5294fc9c99f6c Mon Sep 17 00:00:00 2001
+From: "J. German Rivera" <German.Rivera@freescale.com>
+Date: Wed, 6 Jan 2016 16:03:29 -0600
+Subject: [PATCH 153/226] staging: fsl-mc: Added MSI support to the MC bus
+ driver
+
+Initialize/Cleanup ITS-MSI support for the MC bus driver at driver
+init/exit time. Associate an MSI domain with each DPAA2 child device.
+
+Signed-off-by: J. German Rivera <German.Rivera@freescale.com>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+---
+ drivers/staging/fsl-mc/bus/mc-bus.c | 12 ++++++++++++
+ 1 file changed, 12 insertions(+)
+
+--- a/drivers/staging/fsl-mc/bus/mc-bus.c
++++ b/drivers/staging/fsl-mc/bus/mc-bus.c
+@@ -16,6 +16,8 @@
+ #include <linux/ioport.h>
+ #include <linux/slab.h>
+ #include <linux/limits.h>
++#include <linux/bitops.h>
++#include <linux/msi.h>
+ #include "../include/dpmng.h"
+ #include "../include/mc-sys.h"
+ #include "dprc-cmd.h"
+@@ -472,6 +474,8 @@ int fsl_mc_device_add(struct dprc_obj_de
+ mc_dev->icid = parent_mc_dev->icid;
+ mc_dev->dma_mask = FSL_MC_DEFAULT_DMA_MASK;
+ mc_dev->dev.dma_mask = &mc_dev->dma_mask;
++ dev_set_msi_domain(&mc_dev->dev,
++ dev_get_msi_domain(&parent_mc_dev->dev));
+ }
+
+ /*
+@@ -833,8 +837,15 @@ static int __init fsl_mc_bus_driver_init
+ if (error < 0)
+ goto error_cleanup_dprc_driver;
+
++ error = its_fsl_mc_msi_init();
++ if (error < 0)
++ goto error_cleanup_mc_allocator;
++
+ return 0;
+
++error_cleanup_mc_allocator:
++ fsl_mc_allocator_driver_exit();
++
+ error_cleanup_dprc_driver:
+ dprc_driver_exit();
+
+@@ -856,6 +867,7 @@ static void __exit fsl_mc_bus_driver_exi
+ if (WARN_ON(!mc_dev_cache))
+ return;
+
++ its_fsl_mc_msi_cleanup();
+ fsl_mc_allocator_driver_exit();
+ dprc_driver_exit();
+ platform_driver_unregister(&fsl_mc_bus_driver);