layerscape: add ls1088ardb device support

[openwrt/openwrt.git] / target / linux / layerscape / patches-4.4 / 7148-staging-fsl-mc-Changed-DPRC-built-in-portal-s-mc_io-.patch

diff --git a/target/linux/layerscape/patches-4.4/7148-staging-fsl-mc-Changed-DPRC-built-in-portal-s-mc_io-.patch b/target/linux/layerscape/patches-4.4/7148-staging-fsl-mc-Changed-DPRC-built-in-portal-s-mc_io-.patch
new file mode 100644 (file)
index 0000000..17dcb75
--- /dev/null
+++ b/target/linux/layerscape/patches-4.4/7148-staging-fsl-mc-Changed-DPRC-built-in-portal-s-mc_io-.patch
@@ -0,0 +1,44 @@
+From 0f2a65dea2024b7898e3c0b42e0a7864d6538567 Mon Sep 17 00:00:00 2001
+From: "J. German Rivera" <German.Rivera@freescale.com>
+Date: Wed, 6 Jan 2016 16:03:24 -0600
+Subject: [PATCH 148/226] staging: fsl-mc: Changed DPRC built-in portal's
+ mc_io to be atomic
+
+The DPRC built-in portal's mc_io is used to send commands to the MC
+to program MSIs for MC objects. This is done by the
+fsl_mc_msi_write_msg() callback, which is invoked by the generic MSI
+layer with interrupts disabled. As a result, the mc_io used in
+fsl_mc_msi_write_msg needs to be an atomic mc_io.
+
+Signed-off-by: J. German Rivera <German.Rivera@freescale.com>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+---
+ drivers/staging/fsl-mc/bus/dprc-driver.c |    4 +++-
+ drivers/staging/fsl-mc/bus/mc-bus.c      |    3 ++-
+ 2 files changed, 5 insertions(+), 2 deletions(-)
+
+--- a/drivers/staging/fsl-mc/bus/dprc-driver.c
++++ b/drivers/staging/fsl-mc/bus/dprc-driver.c
+@@ -396,7 +396,9 @@ static int dprc_probe(struct fsl_mc_devi
+               error = fsl_create_mc_io(&mc_dev->dev,
+                                        mc_dev->regions[0].start,
+                                        region_size,
+-                                       NULL, 0, &mc_dev->mc_io);
++                                       NULL,
++                                       FSL_MC_IO_ATOMIC_CONTEXT_PORTAL,
++                                       &mc_dev->mc_io);
+               if (error < 0)
+                       return error;
+       }
+--- a/drivers/staging/fsl-mc/bus/mc-bus.c
++++ b/drivers/staging/fsl-mc/bus/mc-bus.c
+@@ -702,7 +702,8 @@ static int fsl_mc_bus_probe(struct platf
+       mc_portal_phys_addr = res.start;
+       mc_portal_size = resource_size(&res);
+       error = fsl_create_mc_io(&pdev->dev, mc_portal_phys_addr,
+-                               mc_portal_size, NULL, 0, &mc_io);
++                               mc_portal_size, NULL,
++                               FSL_MC_IO_ATOMIC_CONTEXT_PORTAL, &mc_io);
+       if (error < 0)
+               return error;
+