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/linux/drivers/tty/serial/
H A Domap-serial.c172 static void serial_omap_mdr1_errataset(struct uart_omap_port *up, u8 mdr1);
174 static inline unsigned int serial_in(struct uart_omap_port *up, int offset) in serial_in() argument
176 offset <<= up->port.regshift; in serial_in()
177 return readw(up->port.membase + offset); in serial_in()
180 static inline void serial_out(struct uart_omap_port *up, int offset, int value) in serial_out() argument
182 offset <<= up->port.regshift; in serial_out()
183 writew(value, up->port.membase + offset); in serial_out()
186 static inline void serial_omap_clear_fifos(struct uart_omap_port *up) in serial_omap_clear_fifos() argument
188 serial_out(up, UART_FCR, UART_FCR_ENABLE_FIFO); in serial_omap_clear_fifos()
189 serial_out(up, UART_FCR, UART_FCR_ENABLE_FIFO | in serial_omap_clear_fifos()
[all …]
H A Dsunsu.c104 static unsigned int serial_in(struct uart_sunsu_port *up, int offset) in serial_in() argument
106 offset <<= up->port.regshift; in serial_in()
108 switch (up->port.iotype) { in serial_in()
110 outb(up->port.hub6 - 1 + offset, up->port.iobase); in serial_in()
111 return inb(up->port.iobase + 1); in serial_in()
114 return readb(up->port.membase + offset); in serial_in()
117 return inb(up->port.iobase + offset); in serial_in()
121 static void serial_out(struct uart_sunsu_port *up, int offset, int value) in serial_out() argument
136 offset <<= up->port.regshift; in serial_out()
138 switch (up->port.iotype) { in serial_out()
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H A Dsunsab.c92 static __inline__ void sunsab_tec_wait(struct uart_sunsab_port *up) in sunsab_tec_wait() argument
94 int timeout = up->tec_timeout; in sunsab_tec_wait()
96 while ((readb(&up->regs->r.star) & SAB82532_STAR_TEC) && --timeout) in sunsab_tec_wait()
100 static __inline__ void sunsab_cec_wait(struct uart_sunsab_port *up) in sunsab_cec_wait() argument
102 int timeout = up->cec_timeout; in sunsab_cec_wait()
104 while ((readb(&up->regs->r.star) & SAB82532_STAR_CEC) && --timeout) in sunsab_cec_wait()
109 receive_chars(struct uart_sunsab_port *up, in receive_chars() argument
119 if (up->port.state != NULL) /* Unopened serial console */ in receive_chars()
120 port = &up->port.state->port; in receive_chars()
129 count = readb(&up->regs->r.rbcl) & (SAB82532_RECV_FIFO_SIZE - 1); in receive_chars()
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H A Dar933x_uart.c57 static inline unsigned int ar933x_uart_read(struct ar933x_uart_port *up, in ar933x_uart_read() argument
60 return readl(up->port.membase + offset); in ar933x_uart_read()
63 static inline void ar933x_uart_write(struct ar933x_uart_port *up, in ar933x_uart_write() argument
66 writel(value, up->port.membase + offset); in ar933x_uart_write()
69 static inline void ar933x_uart_rmw(struct ar933x_uart_port *up, in ar933x_uart_rmw() argument
76 t = ar933x_uart_read(up, offset); in ar933x_uart_rmw()
79 ar933x_uart_write(up, offset, t); in ar933x_uart_rmw()
82 static inline void ar933x_uart_rmw_set(struct ar933x_uart_port *up, in ar933x_uart_rmw_set() argument
86 ar933x_uart_rmw(up, offset, 0, val); in ar933x_uart_rmw_set()
89 static inline void ar933x_uart_rmw_clear(struct ar933x_uart_port *up, in ar933x_uart_rmw_clear() argument
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H A Dsunzilog.c108 #define ZS_IS_KEYB(UP) ((UP)->flags & SUNZILOG_FLAG_CONS_KEYB) argument
109 #define ZS_IS_MOUSE(UP) ((UP)->flags & SUNZILOG_FLAG_CONS_MOUSE) argument
110 #define ZS_IS_CONS(UP) ((UP)->flags & SUNZILOG_FLAG_IS_CONS) argument
111 #define ZS_IS_KGDB(UP) ((UP)->flags & SUNZILOG_FLAG_IS_KGDB) argument
112 #define ZS_WANTS_MODEM_STATUS(UP) ((UP)->flags & SUNZILOG_FLAG_MODEM_STATUS) argument
113 #define ZS_IS_CHANNEL_A(UP) ((UP)->flags & SUNZILOG_FLAG_IS_CHANNEL_A) argument
114 #define ZS_REGS_HELD(UP) ((UP)->flags & SUNZILOG_FLAG_REGS_HELD) argument
115 #define ZS_TX_STOPPED(UP) ((UP)->flags & SUNZILOG_FLAG_TX_STOPPED) argument
116 #define ZS_TX_ACTIVE(UP) ((UP)->flags & SUNZILOG_FLAG_TX_ACTIVE) argument
268 static void sunzilog_maybe_update_regs(struct uart_sunzilog_port *up, in sunzilog_maybe_update_regs() argument
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H A Dserial_txx9.c159 static inline unsigned int sio_in(struct uart_port *up, int offset) in sio_in() argument
161 switch (up->iotype) { in sio_in()
163 return __raw_readl(up->membase + offset); in sio_in()
165 return inl(up->iobase + offset); in sio_in()
170 sio_out(struct uart_port *up, int offset, int value) in sio_out() argument
172 switch (up->iotype) { in sio_out()
174 __raw_writel(value, up->membase + offset); in sio_out()
177 outl(value, up->iobase + offset); in sio_out()
183 sio_mask(struct uart_port *up, int offset, unsigned int value) in sio_mask() argument
185 sio_out(up, offset, sio_in(up, offset) & ~value); in sio_mask()
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H A Dpxa.c52 static inline unsigned int serial_in(struct uart_pxa_port *up, int offset) in serial_in() argument
55 return readl(up->port.membase + offset); in serial_in()
58 static inline void serial_out(struct uart_pxa_port *up, int offset, int value) in serial_out() argument
61 writel(value, up->port.membase + offset); in serial_out()
66 struct uart_pxa_port *up = (struct uart_pxa_port *)port; in serial_pxa_enable_ms() local
68 up->ier |= UART_IER_MSI; in serial_pxa_enable_ms()
69 serial_out(up, UART_IER, up->ier); in serial_pxa_enable_ms()
74 struct uart_pxa_port *up = (struct uart_pxa_port *)port; in serial_pxa_stop_tx() local
76 if (up->ier & UART_IER_THRI) { in serial_pxa_stop_tx()
77 up->ier &= ~UART_IER_THRI; in serial_pxa_stop_tx()
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H A Dma35d1_serial.c105 #define MA35_ISR_WK_IF BIT(6) /* UART Wake-up Interrupt Flag */
189 struct uart_ma35d1_port *up = to_ma35d1_uart_port(port); in ma35d1serial_stop_tx() local
191 __stop_tx(up); in ma35d1serial_stop_tx()
194 static void transmit_chars(struct uart_ma35d1_port *up) in transmit_chars() argument
199 if (uart_tx_stopped(&up->port)) { in transmit_chars()
200 ma35d1serial_stop_tx(&up->port); in transmit_chars()
204 serial_in(up, MA35_FSR_REG)); in transmit_chars()
205 uart_port_tx_limited(&up->port, ch, count, in transmit_chars()
206 !(serial_in(up, MA35_FSR_REG) & MA35_FSR_TX_FULL), in transmit_chars()
207 serial_out(up, MA35_THR_REG, ch), in transmit_chars()
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/linux/drivers/tty/serial/8250/
H A D8250_core.c80 struct uart_8250_port *up; in serial8250_interrupt() local
83 up = list_entry(l, struct uart_8250_port, list); in serial8250_interrupt()
84 port = &up->port; in serial8250_interrupt()
112 static void serial_do_unlink(struct irq_info *i, struct uart_8250_port *up) in serial_do_unlink() argument
117 if (i->head == &up->list) in serial_do_unlink()
119 list_del(&up->list); in serial_do_unlink()
121 BUG_ON(i->head != &up->list); in serial_do_unlink()
132 static int serial_link_irq_chain(struct uart_8250_port *up) in serial_link_irq_chain() argument
140 h = &irq_lists[up->port.irq % NR_IRQ_HASH]; in serial_link_irq_chain()
143 if (i->irq == up->port.irq) in serial_link_irq_chain()
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H A D8250_port.c325 static u32 default_serial_dl_read(struct uart_8250_port *up) in default_serial_dl_read() argument
328 unsigned char dll = serial_in(up, UART_DLL); in default_serial_dl_read()
329 unsigned char dlm = serial_in(up, UART_DLM); in default_serial_dl_read()
335 static void default_serial_dl_write(struct uart_8250_port *up, u32 value) in default_serial_dl_write() argument
337 serial_out(up, UART_DLL, value & 0xff); in default_serial_dl_write()
338 serial_out(up, UART_DLM, value >> 8 & 0xff); in default_serial_dl_write()
431 struct uart_8250_port *up = up_to_u8250p(p); in set_io_from_upio() local
433 up->dl_read = default_serial_dl_read; in set_io_from_upio()
434 up->dl_write = default_serial_dl_write; in set_io_from_upio()
476 up->cur_iotype = p->iotype; in set_io_from_upio()
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H A D8250_omap.c178 struct uart_8250_port *up = up_to_u8250p(port); in __omap8250_set_mctrl() local
179 struct omap8250_priv *priv = up->port.private_data; in __omap8250_set_mctrl()
184 if (!mctrl_gpio_to_gpiod(up->gpios, UART_GPIO_RTS)) { in __omap8250_set_mctrl()
189 lcr = serial_in(up, UART_LCR); in __omap8250_set_mctrl()
190 serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B); in __omap8250_set_mctrl()
195 serial_out(up, UART_EFR, priv->efr); in __omap8250_set_mctrl()
196 serial_out(up, UART_LCR, lcr); in __omap8250_set_mctrl()
223 static void omap_8250_mdr1_errataset(struct uart_8250_port *up, in omap_8250_mdr1_errataset() argument
226 serial_out(up, UART_OMAP_MDR1, priv->mdr1); in omap_8250_mdr1_errataset()
228 serial_out(up, UART_FCR, up->fcr | UART_FCR_CLEAR_XMIT | in omap_8250_mdr1_errataset()
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H A D8250_mtk.c89 static void mtk8250_rx_dma(struct uart_8250_port *up);
93 struct uart_8250_port *up = param; in mtk8250_dma_rx_complete() local
94 struct uart_8250_dma *dma = up->dma; in mtk8250_dma_rx_complete()
95 struct mtk8250_data *data = up->port.private_data; in mtk8250_dma_rx_complete()
96 struct tty_port *tty_port = &up->port.state->port; in mtk8250_dma_rx_complete()
105 uart_port_lock_irqsave(&up->port, &flags); in mtk8250_dma_rx_complete()
125 up->port.icount.rx += copied; in mtk8250_dma_rx_complete()
129 mtk8250_rx_dma(up); in mtk8250_dma_rx_complete()
131 uart_port_unlock_irqrestore(&up->port, flags); in mtk8250_dma_rx_complete()
134 static void mtk8250_rx_dma(struct uart_8250_port *up) in mtk8250_rx_dma() argument
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H A D8250.h135 static inline int serial_in(struct uart_8250_port *up, int offset) in serial_in() argument
137 return up->port.serial_in(&up->port, offset); in serial_in()
140 static inline void serial_out(struct uart_8250_port *up, int offset, int value) in serial_out() argument
142 up->port.serial_out(&up->port, offset, value); in serial_out()
147 * @up: uart 8250 port
151 * up->lsr_saved_flags.
155 static inline u16 serial_lsr_in(struct uart_8250_port *up) in serial_lsr_in() argument
157 u16 lsr = up->lsr_saved_flags; in serial_lsr_in()
159 lsr |= serial_in(up, UART_LSR); in serial_lsr_in()
160 up->lsr_saved_flags = lsr & up->lsr_save_mask; in serial_lsr_in()
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H A D8250_bcm2835aux.c49 static void bcm2835aux_rs485_start_tx(struct uart_8250_port *up) in bcm2835aux_rs485_start_tx() argument
51 if (!(up->port.rs485.flags & SER_RS485_RX_DURING_TX)) { in bcm2835aux_rs485_start_tx()
52 struct bcm2835aux_data *data = dev_get_drvdata(up->port.dev); in bcm2835aux_rs485_start_tx()
55 serial_out(up, BCM2835_AUX_UART_CNTL, data->cntl); in bcm2835aux_rs485_start_tx()
62 if (up->port.rs485.flags & SER_RS485_RTS_ON_SEND) in bcm2835aux_rs485_start_tx()
63 serial8250_out_MCR(up, 0); in bcm2835aux_rs485_start_tx()
65 serial8250_out_MCR(up, UART_MCR_RTS); in bcm2835aux_rs485_start_tx()
68 static void bcm2835aux_rs485_stop_tx(struct uart_8250_port *up) in bcm2835aux_rs485_stop_tx() argument
70 if (up->port.rs485.flags & SER_RS485_RTS_AFTER_SEND) in bcm2835aux_rs485_stop_tx()
71 serial8250_out_MCR(up, 0); in bcm2835aux_rs485_stop_tx()
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H A D8250_rsa.c17 static int rsa8250_request_resource(struct uart_8250_port *up) in rsa8250_request_resource() argument
19 unsigned long start = UART_RSA_BASE << up->port.regshift; in rsa8250_request_resource()
20 unsigned int size = 8 << up->port.regshift; in rsa8250_request_resource()
21 struct uart_port *port = &up->port; in rsa8250_request_resource()
38 static void rsa8250_release_resource(struct uart_8250_port *up) in rsa8250_release_resource() argument
40 unsigned long offset = UART_RSA_BASE << up->port.regshift; in rsa8250_release_resource()
41 unsigned int size = 8 << up->port.regshift; in rsa8250_release_resource()
42 struct uart_port *port = &up->port; in rsa8250_release_resource()
54 struct uart_8250_port *up = up_to_u8250p(port); in univ8250_config_port() local
57 up->probe &= ~UART_PROBE_RSA; in univ8250_config_port()
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H A D8250_uniphier.c148 static u32 uniphier_serial_dl_read(struct uart_8250_port *up) in uniphier_serial_dl_read() argument
150 return readl(up->port.membase + UNIPHIER_UART_DLR); in uniphier_serial_dl_read()
153 static void uniphier_serial_dl_write(struct uart_8250_port *up, u32 value) in uniphier_serial_dl_write() argument
155 writel(value, up->port.membase + UNIPHIER_UART_DLR); in uniphier_serial_dl_write()
161 struct uart_8250_port up; in uniphier_uart_probe() local
181 memset(&up, 0, sizeof(up)); in uniphier_uart_probe()
193 up.port.uartclk = clk_get_rate(priv->clk); in uniphier_uart_probe()
197 up.port.dev = dev; in uniphier_uart_probe()
198 up.port.private_data = priv; in uniphier_uart_probe()
199 up.port.mapbase = regs->start; in uniphier_uart_probe()
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H A D8250_bcm7271.c213 struct uart_port *up; member
439 static void brcmuart_rx_buf_done_isr(struct uart_port *up, int index) in brcmuart_rx_buf_done_isr() argument
441 struct brcmuart_priv *priv = up->private_data; in brcmuart_rx_buf_done_isr()
442 struct tty_port *tty_port = &up->state->port; in brcmuart_rx_buf_done_isr()
452 dev_err(up->dev, "RX done interrupt but DATA_RDY not found\n"); in brcmuart_rx_buf_done_isr()
459 up->icount.overrun++; in brcmuart_rx_buf_done_isr()
460 dev_warn(up->dev, "RX OVERRUN Error\n"); in brcmuart_rx_buf_done_isr()
463 up->icount.frame++; in brcmuart_rx_buf_done_isr()
464 dev_warn(up->dev, "RX FRAMING Error\n"); in brcmuart_rx_buf_done_isr()
467 up->icount.parity++; in brcmuart_rx_buf_done_isr()
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/linux/drivers/net/can/usb/
H A Ducan.c85 /* wake up can transceiver from low-power sleep mode */
263 struct ucan_priv *up; member
314 static void ucan_release_context_array(struct ucan_priv *up) in ucan_release_context_array() argument
316 if (!up->context_array) in ucan_release_context_array()
320 up->available_tx_urbs = 0; in ucan_release_context_array()
322 kfree(up->context_array); in ucan_release_context_array()
323 up->context_array = NULL; in ucan_release_context_array()
326 static int ucan_alloc_context_array(struct ucan_priv *up) in ucan_alloc_context_array() argument
331 ucan_release_context_array(up); in ucan_alloc_context_array()
333 up->context_array = kcalloc(up->device_info.tx_fifo, in ucan_alloc_context_array()
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/linux/drivers/net/ethernet/mellanox/mlx5/core/
H A Duar.c83 struct mlx5_uars_page *up = container_of(kref, struct mlx5_uars_page, ref_count); in up_rel_func() local
85 list_del(&up->list); in up_rel_func()
86 iounmap(up->map); in up_rel_func()
87 if (mlx5_cmd_free_uar(up->mdev, up->index)) in up_rel_func()
88 mlx5_core_warn(up->mdev, "failed to free uar index %d\n", up->index); in up_rel_func()
89 bitmap_free(up->reg_bitmap); in up_rel_func()
90 bitmap_free(up->fp_bitmap); in up_rel_func()
91 kfree(up); in up_rel_func()
97 struct mlx5_uars_page *up; in alloc_uars_page() local
106 up = kzalloc_node(sizeof(*up), GFP_KERNEL, node); in alloc_uars_page()
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/linux/drivers/mtd/maps/
H A Dsun_uflash.c52 struct uflash_dev *up; in uflash_devinit() local
64 up = kzalloc(sizeof(struct uflash_dev), GFP_KERNEL); in uflash_devinit()
65 if (!up) in uflash_devinit()
69 memcpy(&up->map, &uflash_map_templ, sizeof(uflash_map_templ)); in uflash_devinit()
71 up->map.size = resource_size(&op->resource[0]); in uflash_devinit()
73 up->name = of_get_property(dp, "model", NULL); in uflash_devinit()
74 if (up->name && 0 < strlen(up->name)) in uflash_devinit()
75 up->map.name = up->name; in uflash_devinit()
77 up->map.phys = op->resource[0].start; in uflash_devinit()
79 up->map.virt = of_ioremap(&op->resource[0], 0, up->map.size, in uflash_devinit()
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/linux/Documentation/networking/dsa/
H A Db53.rst61 The configuration can only be set up via VLAN tagging and bridge setup.
71 # The conduit interface needs to be brought up before the user ports.
72 ip link set eth0 up
73 ip link set eth0.1 up
74 ip link set eth0.2 up
75 ip link set eth0.3 up
77 # bring up the user interfaces
78 ip link set wan up
79 ip link set lan1 up
80 ip link set lan2 up
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H A Dconfiguration.rst37 The user interfaces depend on the conduit interface being up in order for them
42 - when a DSA user interface is brought up, the conduit interface is
43 automatically brought up.
100 # brought up manually before the user ports.
101 ip link set eth0 up
103 # bring up the user interfaces
104 ip link set lan1 up
105 ip link set lan2 up
106 ip link set lan3 up
112 # brought up manually before the user ports.
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/linux/lib/crypto/mpi/
H A Dmpih-mul.c21 #define MPN_MUL_N_RECURSE(prodp, up, vp, size, tspace) \ argument
24 mul_n_basecase(prodp, up, vp, size); \
26 mul_n(prodp, up, vp, size, tspace); \
29 #define MPN_SQR_N_RECURSE(prodp, up, size, tspace) \ argument
32 mpih_sqr_n_basecase(prodp, up, size); \
34 mpih_sqr_n(prodp, up, size, tspace); \
37 /* Multiply the natural numbers u (pointed to by UP) and v (pointed to by VP),
42 * 1. PRODP != UP and PRODP != VP, i.e. the destination
55 mul_n_basecase(mpi_ptr_t prodp, mpi_ptr_t up, mpi_ptr_t vp, mpi_size_t size) in mul_n_basecase() argument
66 MPN_COPY(prodp, up, size); in mul_n_basecase()
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/linux/drivers/base/power/
H A Dwakeirq.c17 * Internal function to attach a dedicated wake-up interrupt as a wake IRQ.
46 * automatically configured for wake-up from suspend based
107 * handle_threaded_wake_irq - Handler for dedicated wake-up interrupts
108 * @irq: Device specific dedicated wake-up interrupt
111 * Some devices have a separate wake-up interrupt in addition to the
112 * device IO interrupt. The wake-up interrupt signals that a device
113 * should be woken up from it's idle state. This handler uses device
115 * up to the device to do whatever it needs to. Note that as the
116 * device may need to restore context and start up regulators, we
120 * We assume that the wake-up interrupt just needs to wake-up the
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/linux/arch/arm64/boot/dts/rockchip/
H A Drockchip-pinconf.dtsi8 pcfg_pull_up: pcfg-pull-up {
9 bias-pull-up;
119 pcfg_pull_up_drv_level_0: pcfg-pull-up-drv-level-0 {
120 bias-pull-up;
125 pcfg_pull_up_drv_level_1: pcfg-pull-up-drv-level-1 {
126 bias-pull-up;
131 pcfg_pull_up_drv_level_2: pcfg-pull-up-drv-level-2 {
132 bias-pull-up;
137 pcfg_pull_up_drv_level_3: pcfg-pull-up-drv-level-3 {
138 bias-pull-up;
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