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/kernel/linux/linux-5.10/drivers/media/rc/
H A Dlirc_dev.c604 !kfifo_is_empty(&fh->scancodes)) in lirc_poll()
608 !kfifo_is_empty(&fh->rawir)) in lirc_poll()
627 if (kfifo_is_empty(&fh->rawir)) { in lirc_read_mode2()
632 !kfifo_is_empty(&fh->rawir) || in lirc_read_mode2()
666 if (kfifo_is_empty(&fh->scancodes)) { in lirc_read_scancode()
671 !kfifo_is_empty(&fh->scancodes) || in lirc_read_scancode()
/kernel/linux/linux-6.6/drivers/media/rc/
H A Dlirc_dev.c592 !kfifo_is_empty(&fh->scancodes)) in lirc_poll()
596 !kfifo_is_empty(&fh->rawir)) in lirc_poll()
615 if (kfifo_is_empty(&fh->rawir)) { in lirc_read_mode2()
620 !kfifo_is_empty(&fh->rawir) || in lirc_read_mode2()
654 if (kfifo_is_empty(&fh->scancodes)) { in lirc_read_scancode()
659 !kfifo_is_empty(&fh->scancodes) || in lirc_read_scancode()
/kernel/linux/linux-6.6/drivers/tty/hvc/
H A Dhvc_dcc.c184 if (smp_processor_id() || (!kfifo_is_empty(&outbuf))) { in hvc_dcc0_put_chars()
224 if (smp_processor_id() || (!kfifo_is_empty(&inbuf))) { in hvc_dcc0_get_chars()
/kernel/linux/linux-5.10/drivers/gnss/
H A Dcore.c96 while (kfifo_is_empty(&gdev->read_fifo)) { in gnss_read()
107 !kfifo_is_empty(&gdev->read_fifo)); in gnss_read()
194 if (!kfifo_is_empty(&gdev->read_fifo)) in gnss_poll()
/kernel/linux/linux-5.10/drivers/soc/aspeed/
H A Daspeed-lpc-snoop.c89 if (kfifo_is_empty(&chan->fifo)) { in snoop_file_read()
93 !kfifo_is_empty(&chan->fifo)); in snoop_file_read()
110 return !kfifo_is_empty(&chan->fifo) ? EPOLLIN : 0; in snoop_file_poll()
/kernel/linux/linux-6.6/drivers/soc/aspeed/
H A Daspeed-lpc-snoop.c87 if (kfifo_is_empty(&chan->fifo)) { in snoop_file_read()
91 !kfifo_is_empty(&chan->fifo)); in snoop_file_read()
108 return !kfifo_is_empty(&chan->fifo) ? EPOLLIN : 0; in snoop_file_poll()
/kernel/linux/linux-6.6/drivers/gnss/
H A Dcore.c96 while (kfifo_is_empty(&gdev->read_fifo)) { in gnss_read()
107 !kfifo_is_empty(&gdev->read_fifo)); in gnss_read()
194 if (!kfifo_is_empty(&gdev->read_fifo)) in gnss_poll()
/kernel/linux/linux-5.10/drivers/memstick/host/
H A Dr592.c328 if (!kfifo_is_empty(&dev->pio_fifo)) { in r592_write_fifo_pio()
343 WARN_ON(!kfifo_is_empty(&dev->pio_fifo)); in r592_write_fifo_pio()
363 if (kfifo_is_empty(&dev->pio_fifo)) in r592_flush_fifo_write()
381 if (!kfifo_is_empty(&dev->pio_fifo)) { in r592_read_fifo_pio()
387 if (!kfifo_is_empty(&dev->pio_fifo)) in r592_read_fifo_pio()
/kernel/linux/linux-5.10/include/linux/
H A Dkfifo.h240 * kfifo_is_empty - returns true if the fifo is empty
243 #define kfifo_is_empty(fifo) \ macro
260 __ret = kfifo_is_empty(fifo); \
275 __ret = kfifo_is_empty(fifo); \
454 __ret = !kfifo_is_empty(__tmp); \
493 __ret = !kfifo_is_empty(__tmp); \
/kernel/linux/linux-6.6/drivers/memstick/host/
H A Dr592.c327 if (!kfifo_is_empty(&dev->pio_fifo)) { in r592_write_fifo_pio()
342 WARN_ON(!kfifo_is_empty(&dev->pio_fifo)); in r592_write_fifo_pio()
362 if (kfifo_is_empty(&dev->pio_fifo)) in r592_flush_fifo_write()
382 if (!kfifo_is_empty(&dev->pio_fifo)) { in r592_read_fifo_pio()
388 if (!kfifo_is_empty(&dev->pio_fifo)) in r592_read_fifo_pio()
/kernel/linux/linux-6.6/include/linux/
H A Dkfifo.h240 * kfifo_is_empty - returns true if the fifo is empty
243 #define kfifo_is_empty(fifo) \ macro
260 __ret = kfifo_is_empty(fifo); \
275 __ret = kfifo_is_empty(fifo); \
454 __ret = !kfifo_is_empty(__tmp); \
493 __ret = !kfifo_is_empty(__tmp); \
/kernel/linux/linux-5.10/drivers/net/wireless/ralink/rt2x00/
H A Drt2800mmio.c320 if (!kfifo_is_empty(&rt2x00dev->txstatus_fifo)) in rt2800mmio_txstatus_tasklet()
351 if (!kfifo_is_empty(&rt2x00dev->txstatus_fifo)) in rt2800mmio_interrupt()
797 while (!kfifo_is_empty(&rt2x00dev->txstatus_fifo) || in rt2800mmio_work_txdone()
823 if (!kfifo_is_empty(&rt2x00dev->txstatus_fifo)) in rt2800mmio_tx_sta_fifo_timeout()
/kernel/linux/linux-6.6/drivers/net/wireless/ralink/rt2x00/
H A Drt2800mmio.c320 if (!kfifo_is_empty(&rt2x00dev->txstatus_fifo)) in rt2800mmio_txstatus_tasklet()
351 if (!kfifo_is_empty(&rt2x00dev->txstatus_fifo)) in rt2800mmio_interrupt()
797 while (!kfifo_is_empty(&rt2x00dev->txstatus_fifo) || in rt2800mmio_work_txdone()
823 if (!kfifo_is_empty(&rt2x00dev->txstatus_fifo)) in rt2800mmio_tx_sta_fifo_timeout()
/kernel/linux/linux-5.10/drivers/most/
H A Dmost_cdev.c249 (!kfifo_is_empty(&c->fifo) || in comp_read()
290 if (!c->dev || !kfifo_is_empty(&c->fifo)) in comp_poll()
293 if (!c->dev || !kfifo_is_empty(&c->fifo) || ch_has_mbo(c)) in comp_poll()
/kernel/linux/linux-5.10/drivers/iio/
H A Dindustrialio-event.c110 if (!kfifo_is_empty(&ev_int->det_events)) in iio_event_poll()
134 if (kfifo_is_empty(&ev_int->det_events)) { in iio_event_chrdev_read()
139 !kfifo_is_empty(&ev_int->det_events) || in iio_event_chrdev_read()
/kernel/linux/linux-6.6/drivers/most/
H A Dmost_cdev.c249 (!kfifo_is_empty(&c->fifo) || in comp_read()
290 if (!c->dev || !kfifo_is_empty(&c->fifo)) in comp_poll()
293 if (!c->dev || !kfifo_is_empty(&c->fifo) || ch_has_mbo(c)) in comp_poll()
/kernel/linux/linux-6.6/drivers/iio/
H A Dindustrialio-event.c112 if (!kfifo_is_empty(&ev_int->det_events)) in iio_event_poll()
136 if (kfifo_is_empty(&ev_int->det_events)) { in iio_event_chrdev_read()
141 !kfifo_is_empty(&ev_int->det_events) || in iio_event_chrdev_read()
/kernel/linux/linux-5.10/samples/kfifo/
H A Drecord-example.c102 while (!kfifo_is_empty(&test)) { in testfunc()
/kernel/linux/linux-6.6/samples/kfifo/
H A Drecord-example.c102 while (!kfifo_is_empty(&test)) { in testfunc()
/kernel/linux/linux-6.6/drivers/platform/surface/
H A Dsurface_aggregator_cdev.c593 if (kfifo_is_empty(&client->buffer)) { in ssam_cdev_read()
600 !kfifo_is_empty(&client->buffer) || in ssam_cdev_read()
651 if (!kfifo_is_empty(&client->buffer)) in ssam_cdev_poll()
/kernel/linux/linux-6.6/drivers/counter/
H A Dcounter-chrdev.c79 if (kfifo_is_empty(&counter->events)) { in counter_chrdev_read()
84 !kfifo_is_empty(&counter->events) || in counter_chrdev_read()
114 if (!kfifo_is_empty(&counter->events)) in counter_chrdev_poll()
/kernel/linux/linux-5.10/drivers/hid/
H A Dhid-sensor-custom.c649 if (kfifo_is_empty(&sensor_inst->data_fifo)) { in hid_sensor_custom_read()
654 !kfifo_is_empty(&sensor_inst->data_fifo)); in hid_sensor_custom_read()
704 if (!kfifo_is_empty(&sensor_inst->data_fifo)) in hid_sensor_custom_poll()
/kernel/linux/linux-6.6/drivers/hid/
H A Dhid-sensor-custom.c654 if (kfifo_is_empty(&sensor_inst->data_fifo)) { in hid_sensor_custom_read()
659 !kfifo_is_empty(&sensor_inst->data_fifo)); in hid_sensor_custom_read()
709 if (!kfifo_is_empty(&sensor_inst->data_fifo)) in hid_sensor_custom_poll()
/kernel/linux/linux-5.10/drivers/crypto/caam/
H A Dcaamrng.c158 if (kfifo_is_empty(&ctx->fifo)) in caam_read()
/kernel/linux/linux-5.10/drivers/gpu/drm/amd/amdkfd/
H A Dkfd_smi_events.c69 if (!kfifo_is_empty(&client->fifo)) in kfd_smi_ev_poll()

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