diff options
Diffstat (limited to 'target/linux/layerscape/patches-4.4/7187-staging-fsl-mc-dprc-fix-ordering-problem-freeing-res.patch')
-rw-r--r-- | target/linux/layerscape/patches-4.4/7187-staging-fsl-mc-dprc-fix-ordering-problem-freeing-res.patch | 41 |
1 files changed, 41 insertions, 0 deletions
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 index 0000000000..c03e8d9b1f --- /dev/null +++ b/target/linux/layerscape/patches-4.4/7187-staging-fsl-mc-dprc-fix-ordering-problem-freeing-res.patch @@ -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; |