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/linux/drivers/video/fbdev/
H A Dpxa3xx-regs.h67 #define LCCR0_IUM (1 << 5) /* Input FIFO underrun mask */
80 #define LCCR0_OUM (1 << 21) /* Output FIFO underrun mask */
139 #define LCCR5_IUM(x) (1 << ((x) + 23)) /* input underrun mask */
148 #define LCSR_IUL (1 << 4) /* input FIFO underrun Lower panel */
149 #define LCSR_IUU (1 << 5) /* input FIFO underrun Upper panel */
150 #define LCSR_OU (1 << 6) /* output FIFO underrun */
158 #define LCSR1_IU(x) (1 << ((x) + 23)) /* Input FIFO underrun */
/linux/drivers/media/platform/ti/omap3isp/
H A Dispccdc.h119 * @underrun: A buffer underrun occurred and a new buffer has been queued
151 unsigned int underrun:1; member
/linux/drivers/net/wan/
H A Dhd64572.h196 3 Underrun Overrun
205 #define DST_UDR 0x08 /* Underrun */
234 #define URCNTL 0x164 /* Underrun Counter L */
235 #define URCNTH 0x165 /* Underrun Counter H */
236 #define URCCR 0x167 /* Underrun Counter Ctl Reg */
440 #define IE0_UDRN 0x00008000 /* TX underrun MSCI interrupt enable */
H A Dhd64570.h220 #define ST1_UDRN 0x80 /* MSCI TX underrun */
228 #define IE1_UDRN 0x80 /* TX underrun MSCI interrupt enable */
H A Dc101.c124 /* Reset MSCI TX underrun and CDCD (ignored) status bit */ in sca_msci_intr()
128 /* TX Underrun error detected */ in sca_msci_intr()
/linux/Documentation/admin-guide/blockdev/
H A Dfloppy.rst129 To tune the fifo threshold, switch on over/underrun messages
131 disk. If you get a huge amount of "Over/Underrun - retrying"
133 higher value, until you only get an occasional Over/Underrun.
/linux/sound/arm/
H A Daaci.h76 #define SR_TXU (1 << 9) /* tx underrun */
113 #define ISR_UR (1 << 5) /* tx fifo underrun */
124 #define IE_UR (1 << 5) /* tx fifo underrun */
/linux/drivers/net/fddi/skfp/
H A Ddrvfbi.c193 * buffer underrun: can only occur if a tx threshold is specified in mac1_irq()
195 if (stl & (FM_STBURS | /* tx buffer underrun syn.q.*/ in mac1_irq()
196 FM_STBURA0 | /* tx buffer underrun a.q.0 */ in mac1_irq()
197 FM_STBURA1)) { /* tx buffer underrun a.q.2 */ in mac1_irq()
/linux/drivers/tty/serial/
H A Dip22zilog.h156 #define ABUNDER 4 /* Abort/flag on SDLC xmit underrun */
204 #define TxUIE 0x40 /* Tx Underrun/EOM IE */
215 #define TxEOM 0x40 /* Tx underrun */
H A Dzs.h175 #define ABUNDER 4 /* Abort/flag on SDLC xmit underrun */
224 #define TxUIE 0x40 /* Tx Underrun/EOM IE */
235 #define TxEOM 0x40 /* Tx underrun */
H A Dsunzilog.h158 #define ABUNDER 4 /* Abort/flag on SDLC xmit underrun */
208 #define TxUIE 0x40 /* Tx Underrun/EOM IE */
219 #define TxEOM 0x40 /* Tx underrun */
H A Dpmac_zilog.h239 #define ABUNDER 4 /* Abort/flag on SDLC xmit underrun */
289 #define TxUIE 0x40 /* Tx Underrun/EOM IE */
300 #define TxEOM 0x40 /* Tx underrun */
/linux/drivers/net/hamradio/
H A Dz8530.h120 #define ABUNDER 4 /* Abort/flag on SDLC xmit underrun */
168 #define TxUIE 0x40 /* Tx Underrun/EOM IE */
179 #define TxEOM 0x40 /* Tx underrun */
/linux/sound/soc/pxa/
H A Dpxa2xx-i2s.c53 #define SASR0_TUR (1 << 5) /* Tx FIFO Underrun */
61 #define SAICR_TUR (1 << 5) /* Clear Tx FIFO Underrun Interrupt */
64 #define SAIMR_TUR (1 << 5) /* Enable Tx FIFO Underrun Condition Interrupt */
/linux/sound/core/
H A DKconfig206 bool "Enable PCM ring buffer overrun/underrun debugging"
210 Say Y to enable the PCM ring buffer overrun/underrun debugging.
/linux/drivers/comedi/drivers/
H A Dcomedi_test.c481 /* unexpected underrun! (cancelled?) */ in waveform_ao_timer()
483 goto underrun; in waveform_ao_timer()
494 /* unexpected underrun! (cancelled?) */ in waveform_ao_timer()
496 goto underrun; in waveform_ao_timer()
520 underrun: in waveform_ao_timer()
H A Damplc_pci230.c269 #define PCI230P2_DAC_FIFO_UNDERRUN_LATCHED BIT(5) /* Underrun error */
281 #define PCI230P2_DAC_FIFO_UNDERRUN_CLEAR BIT(5) /* Clear underrun */
1048 * Using DAC FIFO. Reset FIFO, clear underrun error, in pci230_ao_stop()
1109 /* Check for FIFO underrun. */ in pci230_handle_ao_fifo()
1111 dev_err(dev->class_dev, "AO FIFO underrun\n"); in pci230_handle_ao_fifo()
1115 * Check for buffer underrun if FIFO less than half full in pci230_handle_ao_fifo()
1121 dev_err(dev->class_dev, "AO buffer underrun\n"); in pci230_handle_ao_fifo()
1163 /* Check if FIFO underrun occurred while writing to FIFO. */ in pci230_handle_ao_fifo()
1166 dev_err(dev->class_dev, "AO FIFO underrun\n"); in pci230_handle_ao_fifo()
1336 * Reset DAC FIFO and clear underrun. in pci230_ao_cmd()
/linux/sound/soc/atmel/
H A Datmel-i2s.c96 /* x sample transmitted when underrun */
132 #define ATMEL_I2SC_SR_TXUR BIT(6) /* Transmit Underrun */
138 /* Transmit Underrun Channel */
243 "TX underrun on channel %d\n", ch); in atmel_i2s_interrupt()
/linux/drivers/net/ethernet/atheros/atlx/
H A Datl2.h154 #define ISR_TXF_UR 8 /* TXF underrun interrupt */
250 unsigned underrun:1; /* current packet is aborted member
251 * due to txram underrun */
H A Datl1.h356 u32 tx_underrun; /* TX packets aborted due to TX FIFO underrun
357 * or TRD FIFO underrun */
671 u64 tx_underrun; /* TX packets aborted due to TX FIFO underrun
672 * or TRD FIFO underrun */
/linux/sound/pci/ice1712/
H A Denvy24ht.h124 #define VT1724_MULTI_FIFO_ERR 0x08 /* DMA FIFO underrun/overrun. */
157 #define VT1724_MT_DMA_FIFO_ERR 0x1a /*Global playback and record DMA FIFO Underrun/Overrun */
/linux/drivers/net/wireless/intel/iwlegacy/
H A D4965-debug.c599 scnprintf(buf + pos, bufsz - pos, fmt_table, "agg underrun:", in il4965_ucode_tx_stats_read()
600 le32_to_cpu(tx->agg.underrun), accum_tx->agg.underrun, in il4965_ucode_tx_stats_read()
601 delta_tx->agg.underrun, max_tx->agg.underrun); in il4965_ucode_tx_stats_read()
/linux/drivers/net/usb/
H A Dsmsc95xx.h57 #define INT_STS_TDFU_ (0x00002000) /* TX Data FIFO Underrun */
201 #define INT_EP_CTL_TDFU_ (0x00002000) /* TX Data FIFO Underrun */
348 #define INT_ENP_TDFU_ ((u32)BIT(13)) /* TX FIFO Underrun */
/linux/drivers/usb/gadget/udc/
H A Dfsl_qe_udc.h220 #define TX_ER_UNDERUN 0x00100000 /* Transmit underrun */
379 #define T_UN 0x00020000 /* underrun */
/linux/drivers/net/wireless/ath/ath5k/
H A Ddesc.h106 * @AR5K_RX_PHY_ERROR_UNDERRUN: Transmit underrun, [5210] No error
284 #define AR5K_DESC_TX_STATUS0_FIFO_UNDERRUN 0x00000004 /* FIFO underrun */

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