@@ -915,33 +915,14 @@ static int mipi_csis_dump_regs_show(struct seq_file *m, void *private)
}
DEFINE_SHOW_ATTRIBUTE(mipi_csis_dump_regs);
-static int mipi_csis_debugfs_init(struct csi_state *state)
+static void mipi_csis_debugfs_init(struct csi_state *state)
{
- struct dentry *d;
-
- if (!debugfs_initialized())
- return -ENODEV;
-
state->debugfs_root = debugfs_create_dir(dev_name(state->dev), NULL);
- if (!state->debugfs_root)
- return -ENOMEM;
-
- d = debugfs_create_bool("debug_enable", 0600, state->debugfs_root,
- &state->debug);
- if (!d)
- goto remove_debugfs;
-
- d = debugfs_create_file("dump_regs", 0600, state->debugfs_root,
- state, &mipi_csis_dump_regs_fops);
- if (!d)
- goto remove_debugfs;
-
- return 0;
-
-remove_debugfs:
- debugfs_remove_recursive(state->debugfs_root);
- return -ENOMEM;
+ debugfs_create_bool("debug_enable", 0600, state->debugfs_root,
+ &state->debug);
+ debugfs_create_file("dump_regs", 0600, state->debugfs_root, state,
+ &mipi_csis_dump_regs_fops);
}
static void mipi_csis_debugfs_exit(struct csi_state *state)
When calling debugfs functions, there is no need to ever check the return value. The function can work or not, but the code logic should never do something different based on this. Cc: Rui Miguel Silva <rmfrfs@gmail.com> Cc: Steve Longerbeam <slongerbeam@gmail.com> Cc: Philipp Zabel <p.zabel@pengutronix.de> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Shawn Guo <shawnguo@kernel.org> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Pengutronix Kernel Team <kernel@pengutronix.de> Cc: Fabio Estevam <festevam@gmail.com> Cc: NXP Linux Team <linux-imx@nxp.com> Cc: linux-media@vger.kernel.org Cc: devel@driverdev.osuosl.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/staging/media/imx/imx7-mipi-csis.c | 29 ++++------------------ 1 file changed, 5 insertions(+), 24 deletions(-)