layerscape: add ls1088ardb device support
[openwrt/staging/yousong.git] / target / linux / layerscape / patches-4.4 / 7187-staging-fsl-mc-dprc-fix-ordering-problem-freeing-res.patch
diff --git a/target/linux/layerscape/patches-4.4/7187-staging-fsl-mc-dprc-fix-ordering-problem-freeing-res.patch b/target/linux/layerscape/patches-4.4/7187-staging-fsl-mc-dprc-fix-ordering-problem-freeing-res.patch
new file mode 100644 (file)
index 0000000..c03e8d9
--- /dev/null
@@ -0,0 +1,41 @@
+From b104ed7497745e2e6da214b37ef22edaf38098c7 Mon Sep 17 00:00:00 2001
+From: Stuart Yoder <stuart.yoder@nxp.com>
+Date: Wed, 22 Jun 2016 16:40:50 -0500
+Subject: [PATCH 187/226] staging: fsl-mc: dprc: fix ordering problem freeing
+ resources in remove of dprc
+
+When unbinding a dprc from the dprc driver the cleanup of
+the resource pools must happen after irq pool cleanup
+is done.
+
+Signed-off-by: Stuart Yoder <stuart.yoder@nxp.com>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+---
+ drivers/staging/fsl-mc/bus/dprc-driver.c |   10 ++++++----
+ 1 file changed, 6 insertions(+), 4 deletions(-)
+
+--- a/drivers/staging/fsl-mc/bus/dprc-driver.c
++++ b/drivers/staging/fsl-mc/bus/dprc-driver.c
+@@ -796,16 +796,18 @@ static int dprc_remove(struct fsl_mc_dev
+               dprc_teardown_irq(mc_dev);
+       device_for_each_child(&mc_dev->dev, NULL, __fsl_mc_device_remove);
+-      dprc_cleanup_all_resource_pools(mc_dev);
+-      error = dprc_close(mc_dev->mc_io, 0, mc_dev->mc_handle);
+-      if (error < 0)
+-              dev_err(&mc_dev->dev, "dprc_close() failed: %d\n", error);
+       if (dev_get_msi_domain(&mc_dev->dev)) {
+               fsl_mc_cleanup_irq_pool(mc_bus);
+               dev_set_msi_domain(&mc_dev->dev, NULL);
+       }
++      dprc_cleanup_all_resource_pools(mc_dev);
++
++      error = dprc_close(mc_dev->mc_io, 0, mc_dev->mc_handle);
++      if (error < 0)
++              dev_err(&mc_dev->dev, "dprc_close() failed: %d\n", error);
++
+       if (!fsl_mc_is_root_dprc(&mc_dev->dev)) {
+               fsl_destroy_mc_io(mc_dev->mc_io);
+               mc_dev->mc_io = NULL;