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authorJakub Kicinski <kuba@kernel.org>2021-07-31 09:14:46 -0700
committerJakub Kicinski <kuba@kernel.org>2021-07-31 09:14:46 -0700
commitd2e11fd2b7fcd10b7bcef418c55490c934aa94e8 (patch)
treebdce7769cd4d69b375aad004e844d1a413863485 /drivers/gpu/drm/ttm/ttm_device.c
parentaae950b189413ed3201354600d44223da0bcf63c (diff)
parentc7d102232649226a69dddd58a4942cf13cff4f7c (diff)
downloadlinux-d2e11fd2b7fcd10b7bcef418c55490c934aa94e8.tar.bz2
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Conflicting commits, all resolutions pretty trivial: drivers/bus/mhi/pci_generic.c 5c2c85315948 ("bus: mhi: pci-generic: configurable network interface MRU") 56f6f4c4eb2a ("bus: mhi: pci_generic: Apply no-op for wake using sideband wake boolean") drivers/nfc/s3fwrn5/firmware.c a0302ff5906a ("nfc: s3fwrn5: remove unnecessary label") 46573e3ab08f ("nfc: s3fwrn5: fix undefined parameter values in dev_err()") 801e541c79bb ("nfc: s3fwrn5: fix undefined parameter values in dev_err()") MAINTAINERS 7d901a1e878a ("net: phy: add Maxlinear GPY115/21x/24x driver") 8a7b46fa7902 ("MAINTAINERS: add Yasushi SHOJI as reviewer for the Microchip CAN BUS Analyzer Tool driver") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_device.c')
-rw-r--r--drivers/gpu/drm/ttm/ttm_device.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_device.c b/drivers/gpu/drm/ttm/ttm_device.c
index 5f31acec3ad7..74e3b460132b 100644
--- a/drivers/gpu/drm/ttm/ttm_device.c
+++ b/drivers/gpu/drm/ttm/ttm_device.c
@@ -44,6 +44,8 @@ static unsigned ttm_glob_use_count;
struct ttm_global ttm_glob;
EXPORT_SYMBOL(ttm_glob);
+struct dentry *ttm_debugfs_root;
+
static void ttm_global_release(void)
{
struct ttm_global *glob = &ttm_glob;
@@ -53,6 +55,7 @@ static void ttm_global_release(void)
goto out;
ttm_pool_mgr_fini();
+ debugfs_remove(ttm_debugfs_root);
__free_page(glob->dummy_read_page);
memset(glob, 0, sizeof(*glob));
@@ -73,6 +76,13 @@ static int ttm_global_init(void)
si_meminfo(&si);
+ ttm_debugfs_root = debugfs_create_dir("ttm", NULL);
+ if (IS_ERR(ttm_debugfs_root)) {
+ ret = PTR_ERR(ttm_debugfs_root);
+ ttm_debugfs_root = NULL;
+ goto out;
+ }
+
/* Limit the number of pages in the pool to about 50% of the total
* system memory.
*/
@@ -100,6 +110,10 @@ static int ttm_global_init(void)
debugfs_create_atomic_t("buffer_objects", 0444, ttm_debugfs_root,
&glob->bo_count);
out:
+ if (ret && ttm_debugfs_root)
+ debugfs_remove(ttm_debugfs_root);
+ if (ret)
+ --ttm_glob_use_count;
mutex_unlock(&ttm_global_mutex);
return ret;
}