diff options
Diffstat (limited to 'drivers/hid/intel-ish-hid/ishtp/client-buffers.c')
| -rw-r--r-- | drivers/hid/intel-ish-hid/ishtp/client-buffers.c | 34 |
1 files changed, 2 insertions, 32 deletions
diff --git a/drivers/hid/intel-ish-hid/ishtp/client-buffers.c b/drivers/hid/intel-ish-hid/ishtp/client-buffers.c index 248651c35497..97f4026b1627 100644 --- a/drivers/hid/intel-ish-hid/ishtp/client-buffers.c +++ b/drivers/hid/intel-ish-hid/ishtp/client-buffers.c @@ -1,17 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * ISHTP Ring Buffers * * Copyright (c) 2003-2016, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * */ #include <linux/slab.h> @@ -93,7 +84,7 @@ int ishtp_cl_alloc_tx_ring(struct ishtp_cl *cl) return 0; out: dev_err(&cl->device->dev, "error in allocating Tx pool\n"); - ishtp_cl_free_rx_ring(cl); + ishtp_cl_free_tx_ring(cl); return -ENOMEM; } @@ -261,27 +252,6 @@ int ishtp_cl_io_rb_recycle(struct ishtp_cl_rb *rb) EXPORT_SYMBOL(ishtp_cl_io_rb_recycle); /** - * ishtp_cl_tx_empty() -test whether client device tx buffer is empty - * @cl: Pointer to client device instance - * - * Look client device tx buffer list, and check whether this list is empty - * - * Return: true if client tx buffer list is empty else false - */ -bool ishtp_cl_tx_empty(struct ishtp_cl *cl) -{ - int tx_list_empty; - unsigned long tx_flags; - - spin_lock_irqsave(&cl->tx_list_spinlock, tx_flags); - tx_list_empty = list_empty(&cl->tx_list.list); - spin_unlock_irqrestore(&cl->tx_list_spinlock, tx_flags); - - return !!tx_list_empty; -} -EXPORT_SYMBOL(ishtp_cl_tx_empty); - -/** * ishtp_cl_rx_get_rb() -Get a rb from client device rx buffer list * @cl: Pointer to client device instance * |