diff options
Diffstat (limited to 'drivers/usb/dwc2/hcd_queue.c')
| -rw-r--r-- | drivers/usb/dwc2/hcd_queue.c | 97 |
1 files changed, 15 insertions, 82 deletions
diff --git a/drivers/usb/dwc2/hcd_queue.c b/drivers/usb/dwc2/hcd_queue.c index 68bbac64b753..904fe0632b34 100644 --- a/drivers/usb/dwc2/hcd_queue.c +++ b/drivers/usb/dwc2/hcd_queue.c @@ -3,36 +3,6 @@ * hcd_queue.c - DesignWare HS OTG Controller host queuing routines * * Copyright (C) 2004-2013 Synopsys, Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The names of the above-listed copyright holders may not be used - * to endorse or promote products derived from this software without - * specific prior written permission. - * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") as published by the Free Software - * Foundation; either version 2 of the License, or (at your option) any - * later version. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* @@ -46,6 +16,7 @@ #include <linux/interrupt.h> #include <linux/dma-mapping.h> #include <linux/io.h> +#include <linux/seq_buf.h> #include <linux/slab.h> #include <linux/usb.h> @@ -59,7 +30,7 @@ #define DWC2_UNRESERVE_DELAY (msecs_to_jiffies(5)) /* If we get a NAK, wait this long before retrying */ -#define DWC2_RETRY_WAIT_DELAY 1*1E6L +#define DWC2_RETRY_WAIT_DELAY (1 * NSEC_PER_MSEC) /** * dwc2_periodic_channel_available() - Checks that a channel is available for a @@ -390,41 +361,6 @@ static unsigned long *dwc2_get_ls_map(struct dwc2_hsotg *hsotg, #ifdef DWC2_PRINT_SCHEDULE /* - * cat_printf() - A printf() + strcat() helper - * - * This is useful for concatenating a bunch of strings where each string is - * constructed using printf. - * - * @buf: The destination buffer; will be updated to point after the printed - * data. - * @size: The number of bytes in the buffer (includes space for '\0'). - * @fmt: The format for printf. - * @...: The args for printf. - */ -static __printf(3, 4) -void cat_printf(char **buf, size_t *size, const char *fmt, ...) -{ - va_list args; - int i; - - if (*size == 0) - return; - - va_start(args, fmt); - i = vsnprintf(*buf, *size, fmt, args); - va_end(args); - - if (i >= *size) { - (*buf)[*size - 1] = '\0'; - *buf += *size; - *size = 0; - } else { - *buf += i; - *size -= i; - } -} - -/* * pmap_print() - Print the given periodic map * * Will attempt to print out the periodic schedule. @@ -446,9 +382,7 @@ static void pmap_print(unsigned long *map, int bits_per_period, int period; for (period = 0; period < periods_in_map; period++) { - char tmp[64]; - char *buf = tmp; - size_t buf_size = sizeof(tmp); + DECLARE_SEQ_BUF(buf, 64); int period_start = period * bits_per_period; int period_end = period_start + bits_per_period; int start = 0; @@ -472,19 +406,19 @@ static void pmap_print(unsigned long *map, int bits_per_period, continue; if (!printed) - cat_printf(&buf, &buf_size, "%s %d: ", - period_name, period); + seq_buf_printf(&buf, "%s %d: ", + period_name, period); else - cat_printf(&buf, &buf_size, ", "); + seq_buf_puts(&buf, ", "); printed = true; - cat_printf(&buf, &buf_size, "%d %s -%3d %s", start, - units, start + count - 1, units); + seq_buf_printf(&buf, "%d %s -%3d %s", start, + units, start + count - 1, units); count = 0; } if (printed) - print_fn(tmp, print_data); + print_fn(seq_buf_str(&buf), print_data); } } @@ -675,7 +609,7 @@ static int dwc2_hs_pmap_schedule(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh, } /** - * dwc2_ls_pmap_unschedule() - Undo work done by dwc2_hs_pmap_schedule() + * dwc2_hs_pmap_unschedule() - Undo work done by dwc2_hs_pmap_schedule() * * @hsotg: The HCD state structure for the DWC OTG controller. * @qh: QH for the periodic transfer. @@ -1108,7 +1042,7 @@ static void dwc2_pick_first_frame(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh) earliest_frame = dwc2_frame_num_inc(frame_number, 1); next_active_frame = earliest_frame; - /* Get the "no microframe schduler" out of the way... */ + /* Get the "no microframe scheduler" out of the way... */ if (!hsotg->params.uframe_sched) { if (qh->do_split) /* Splits are active at microframe 0 minus 1 */ @@ -1281,7 +1215,7 @@ static void dwc2_do_unreserve(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh) */ static void dwc2_unreserve_timer_fn(struct timer_list *t) { - struct dwc2_qh *qh = from_timer(qh, t, unreserve_timer); + struct dwc2_qh *qh = timer_container_of(qh, t, unreserve_timer); struct dwc2_hsotg *hsotg = qh->hsotg; unsigned long flags; @@ -1368,7 +1302,7 @@ static int dwc2_schedule_periodic(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh) } /* Cancel pending unreserve; if canceled OK, unreserve was pending */ - if (del_timer(&qh->unreserve_timer)) + if (timer_delete(&qh->unreserve_timer)) WARN_ON(!qh->unreserve_pending); /* @@ -1525,8 +1459,7 @@ static void dwc2_qh_init(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh, /* Initialize QH */ qh->hsotg = hsotg; timer_setup(&qh->unreserve_timer, dwc2_unreserve_timer_fn, 0); - hrtimer_init(&qh->wait_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); - qh->wait_timer.function = &dwc2_wait_timer_fn; + hrtimer_setup(&qh->wait_timer, &dwc2_wait_timer_fn, CLOCK_MONOTONIC, HRTIMER_MODE_REL); qh->ep_type = ep_type; qh->ep_is_in = ep_is_in; @@ -1681,7 +1614,7 @@ struct dwc2_qh *dwc2_hcd_qh_create(struct dwc2_hsotg *hsotg, void dwc2_hcd_qh_free(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh) { /* Make sure any unreserve work is finished. */ - if (del_timer_sync(&qh->unreserve_timer)) { + if (timer_delete_sync(&qh->unreserve_timer)) { unsigned long flags; spin_lock_irqsave(&hsotg->lock, flags); |