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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-05-25 19:16:36 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-05-27 09:35:04 +0200
commit8efd88f946017b69af67931a133b6dce92c27fd0 (patch)
treebe62655ce6e939aa9bcbe64279fdd88a288cadd3 /drivers/usb/gadget
parent0cac357717168f84d2f75e884a9cff52e6471aaa (diff)
USB: gadget: pxa27x_udc: remove dentry storage for debugfs file
There is no need to store the dentry pointer for a debugfs file that we only use to remove it when the device goes away. debugfs can do the lookup for us instead, saving us some trouble, and making things smaller overall. Cc: Daniel Mack <daniel@zonque.org> Cc: Haojian Zhuang <haojian.zhuang@gmail.com> Cc: Robert Jarzmik <robert.jarzmik@free.fr> Cc: Felipe Balbi <balbi@kernel.org> Link: https://lore.kernel.org/r/20210525171636.758758-1-gregkh@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/gadget')
-rw-r--r--drivers/usb/gadget/udc/pxa27x_udc.c4
-rw-r--r--drivers/usb/gadget/udc/pxa27x_udc.h4
2 files changed, 1 insertions, 7 deletions
diff --git a/drivers/usb/gadget/udc/pxa27x_udc.c b/drivers/usb/gadget/udc/pxa27x_udc.c
index ce57961dfd2d..ebcadbfa50fd 100644
--- a/drivers/usb/gadget/udc/pxa27x_udc.c
+++ b/drivers/usb/gadget/udc/pxa27x_udc.c
@@ -208,8 +208,6 @@ static void pxa_init_debugfs(struct pxa_udc *udc)
struct dentry *root;
root = debugfs_create_dir(udc->gadget.name, usb_debug_root);
- udc->debugfs_root = root;
-
debugfs_create_file("udcstate", 0400, root, udc, &state_dbg_fops);
debugfs_create_file("queues", 0400, root, udc, &queues_dbg_fops);
debugfs_create_file("epstate", 0400, root, udc, &eps_dbg_fops);
@@ -217,7 +215,7 @@ static void pxa_init_debugfs(struct pxa_udc *udc)
static void pxa_cleanup_debugfs(struct pxa_udc *udc)
{
- debugfs_remove_recursive(udc->debugfs_root);
+ debugfs_remove(debugfs_lookup(udc->gadget.name, usb_debug_root));
}
#else
diff --git a/drivers/usb/gadget/udc/pxa27x_udc.h b/drivers/usb/gadget/udc/pxa27x_udc.h
index 13b2977399ab..0a6bc18a1264 100644
--- a/drivers/usb/gadget/udc/pxa27x_udc.h
+++ b/drivers/usb/gadget/udc/pxa27x_udc.h
@@ -440,7 +440,6 @@ struct udc_stats {
* @last_interface: UDC interface of the last SET_INTERFACE host request
* @last_alternate: UDC altsetting of the last SET_INTERFACE host request
* @udccsr0: save of udccsr0 in case of suspend
- * @debugfs_root: root entry of debug filesystem
* @debugfs_state: debugfs entry for "udcstate"
* @debugfs_queues: debugfs entry for "queues"
* @debugfs_eps: debugfs entry for "epstate"
@@ -474,9 +473,6 @@ struct pxa_udc {
#ifdef CONFIG_PM
unsigned udccsr0;
#endif
-#ifdef CONFIG_USB_GADGET_DEBUG_FS
- struct dentry *debugfs_root;
-#endif
};
#define to_pxa(g) (container_of((g), struct pxa_udc, gadget))