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HSI: omap_ssi_port: Drop error checking for debugfs_create_dir 

This patch fixes the error checking in omap_ssi_port.c. The DebugFS
kernel API is developed in a way that the caller can safely ignore the
errors that occur during the creation of DebugFS nodes.

Signed-off-by: Osama Muhammad <osmtendev@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This commit is contained in:
Osama Muhammad 2023-05-25 20:38:37 +05:00 committed by Sebastian Reichel
parent 32a31bd41b
commit 42877c38ac
1 changed files with 2 additions and 12 deletions
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14
drivers/hsi/controllers/omap_ssi_port.c
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@ -151,23 +151,17 @@ static int ssi_div_set(void *data, u64 val)
DEFINE_DEBUGFS_ATTRIBUTE(ssi_sst_div_fops, ssi_div_get, ssi_div_set, "%llu\n"); DEFINE_DEBUGFS_ATTRIBUTE(ssi_sst_div_fops, ssi_div_get, ssi_div_set, "%llu\n");
static int ssi_debug_add_port(struct omap_ssi_port *omap_port, static void ssi_debug_add_port(struct omap_ssi_port *omap_port,
struct dentry *dir) struct dentry *dir)
{ {
struct hsi_port *port = to_hsi_port(omap_port->dev); struct hsi_port *port = to_hsi_port(omap_port->dev);
dir = debugfs_create_dir(dev_name(omap_port->dev), dir); dir = debugfs_create_dir(dev_name(omap_port->dev), dir);
if (!dir)
return -ENOMEM;
omap_port->dir = dir; omap_port->dir = dir;
debugfs_create_file("regs", S_IRUGO, dir, port, &ssi_port_regs_fops); debugfs_create_file("regs", S_IRUGO, dir, port, &ssi_port_regs_fops);
dir = debugfs_create_dir("sst", dir); dir = debugfs_create_dir("sst", dir);
if (!dir)
return -ENOMEM;
debugfs_create_file_unsafe("divisor", 0644, dir, port, debugfs_create_file_unsafe("divisor", 0644, dir, port,
&ssi_sst_div_fops); &ssi_sst_div_fops);
return 0;
} }
#endif #endif
@ -1217,11 +1211,7 @@ static int ssi_port_probe(struct platform_device *pd)
pm_runtime_enable(omap_port->pdev); pm_runtime_enable(omap_port->pdev);
#ifdef CONFIG_DEBUG_FS #ifdef CONFIG_DEBUG_FS
err = ssi_debug_add_port(omap_port, omap_ssi->dir); ssi_debug_add_port(omap_port, omap_ssi->dir);
if (err < 0) {
pm_runtime_disable(omap_port->pdev);
goto error;
}
#endif #endif
hsi_add_clients_from_dt(port, np); hsi_add_clients_from_dt(port, np);