diff options
Diffstat (limited to 'drivers/usb/host/fhci-dbg.c')
| -rw-r--r-- | drivers/usb/host/fhci-dbg.c | 55 |
1 files changed, 8 insertions, 47 deletions
diff --git a/drivers/usb/host/fhci-dbg.c b/drivers/usb/host/fhci-dbg.c index b58e7a60913a..100048b3bd17 100644 --- a/drivers/usb/host/fhci-dbg.c +++ b/drivers/usb/host/fhci-dbg.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Freescale QUICC Engine USB Host Controller Driver * @@ -8,11 +9,6 @@ * Peter Barada <peterb@logicpd.com> * Copyright (c) MontaVista Software, Inc. 2008. * Anton Vorontsov <avorontsov@ru.mvista.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #include <linux/kernel.h> @@ -59,6 +55,7 @@ static int fhci_dfs_regs_show(struct seq_file *s, void *v) return 0; } +DEFINE_SHOW_ATTRIBUTE(fhci_dfs_regs); static int fhci_dfs_irq_stat_show(struct seq_file *s, void *v) { @@ -79,57 +76,21 @@ static int fhci_dfs_irq_stat_show(struct seq_file *s, void *v) return 0; } - -static int fhci_dfs_regs_open(struct inode *inode, struct file *file) -{ - return single_open(file, fhci_dfs_regs_show, inode->i_private); -} - -static int fhci_dfs_irq_stat_open(struct inode *inode, struct file *file) -{ - return single_open(file, fhci_dfs_irq_stat_show, inode->i_private); -} - -static const struct file_operations fhci_dfs_regs_fops = { - .open = fhci_dfs_regs_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static const struct file_operations fhci_dfs_irq_stat_fops = { - .open = fhci_dfs_irq_stat_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; +DEFINE_SHOW_ATTRIBUTE(fhci_dfs_irq_stat); void fhci_dfs_create(struct fhci_hcd *fhci) { struct device *dev = fhci_to_hcd(fhci)->self.controller; fhci->dfs_root = debugfs_create_dir(dev_name(dev), usb_debug_root); - if (!fhci->dfs_root) { - WARN_ON(1); - return; - } - - fhci->dfs_regs = debugfs_create_file("regs", S_IFREG | S_IRUGO, - fhci->dfs_root, fhci, &fhci_dfs_regs_fops); - fhci->dfs_irq_stat = debugfs_create_file("irq_stat", - S_IFREG | S_IRUGO, fhci->dfs_root, fhci, - &fhci_dfs_irq_stat_fops); - - WARN_ON(!fhci->dfs_regs || !fhci->dfs_irq_stat); + debugfs_create_file("regs", S_IFREG | S_IRUGO, fhci->dfs_root, fhci, + &fhci_dfs_regs_fops); + debugfs_create_file("irq_stat", S_IFREG | S_IRUGO, fhci->dfs_root, fhci, + &fhci_dfs_irq_stat_fops); } void fhci_dfs_destroy(struct fhci_hcd *fhci) { - if (!fhci->dfs_root) - return; - - debugfs_remove(fhci->dfs_irq_stat); - debugfs_remove(fhci->dfs_regs); - debugfs_remove(fhci->dfs_root); + debugfs_remove_recursive(fhci->dfs_root); } |