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Searched refs:ssp (Results 1 – 25 of 73) sorted by relevance

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/linux/include/linux/
H A Dsrcu.h28 int __init_srcu_struct(struct srcu_struct *ssp, const char *name, struct lock_class_key *key);
30 int __init_srcu_struct_fast(struct srcu_struct *ssp, const char *name, struct lock_class_key *key);
31 int __init_srcu_struct_fast_updown(struct srcu_struct *ssp, const char *name,
35 #define init_srcu_struct(ssp) \ argument
39 __init_srcu_struct((ssp), #ssp, &__srcu_key); \
42 #define init_srcu_struct_fast(ssp) \ argument
46 __init_srcu_struct_fast((ssp), #ssp, &__srcu_key); \
49 #define init_srcu_struct_fast_updown(ssp) \ argument
53 __init_srcu_struct_fast_updown((ssp), #ssp, &__srcu_key); \
59 int init_srcu_struct(struct srcu_struct *ssp);
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H A Dsrcutiny.h67 void synchronize_srcu(struct srcu_struct *ssp);
75 static inline int __srcu_read_lock(struct srcu_struct *ssp) in __srcu_read_lock() argument
80 idx = ((READ_ONCE(ssp->srcu_idx) + 1) & 0x2) >> 1; in __srcu_read_lock()
81 WRITE_ONCE(ssp->srcu_lock_nesting[idx], READ_ONCE(ssp->srcu_lock_nesting[idx]) + 1); in __srcu_read_lock()
88 static inline bool __srcu_ptr_to_ctr(struct srcu_struct *ssp, struct srcu_ctr __percpu *scpp) in __srcu_ptr_to_ctr() argument
93 static inline struct srcu_ctr __percpu *__srcu_ctr_to_ptr(struct srcu_struct *ssp, int idx) in __srcu_ctr_to_ptr() argument
98 static inline struct srcu_ctr __percpu *__srcu_read_lock_fast(struct srcu_struct *ssp) in __srcu_read_lock_fast() argument
100 return __srcu_ctr_to_ptr(ssp, __srcu_read_lock(ssp)); in __srcu_read_lock_fast()
103 static inline void __srcu_read_unlock_fast(struct srcu_struct *ssp, struct srcu_ctr __percpu *scp) in __srcu_read_unlock_fast() argument
105 __srcu_read_unlock(ssp, __srcu_ptr_to_ctr(ssp, scp)); in __srcu_read_unlock_fast()
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H A Dsrcutree.h51 struct srcu_struct *ssp; member
236 int __srcu_read_lock(struct srcu_struct *ssp) __acquires(ssp);
237 void synchronize_srcu_expedited(struct srcu_struct *ssp);
238 void srcu_barrier(struct srcu_struct *ssp);
239 void srcu_expedite_current(struct srcu_struct *ssp);
240 void srcu_torture_stats_print(struct srcu_struct *ssp, char *tt, char *tf);
244 static inline bool __srcu_ptr_to_ctr(struct srcu_struct *ssp, struct srcu_ctr __percpu *scpp) in __srcu_ptr_to_ctr() argument
246 return scpp - &ssp->sda->srcu_ctrs[0]; in __srcu_ptr_to_ctr()
251 static inline struct srcu_ctr __percpu *__srcu_ctr_to_ptr(struct srcu_struct *ssp, int idx) in __srcu_ctr_to_ptr() argument
253 return &ssp->sda->srcu_ctrs[idx]; in __srcu_ctr_to_ptr()
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H A Dpxa2xx_ssp.h275 static inline void pxa_ssp_enable(struct ssp_device *ssp) in pxa_ssp_enable() argument
279 sscr0 = pxa_ssp_read_reg(ssp, SSCR0) | SSCR0_SSE; in pxa_ssp_enable()
280 pxa_ssp_write_reg(ssp, SSCR0, sscr0); in pxa_ssp_enable()
283 static inline void pxa_ssp_disable(struct ssp_device *ssp) in pxa_ssp_disable() argument
287 sscr0 = pxa_ssp_read_reg(ssp, SSCR0) & ~SSCR0_SSE; in pxa_ssp_disable()
288 pxa_ssp_write_reg(ssp, SSCR0, sscr0); in pxa_ssp_disable()
306 static inline void pxa_ssp_free(struct ssp_device *ssp) {} in pxa_ssp_free() argument
/linux/kernel/rcu/
H A Dsrcutiny.c31 static int init_srcu_struct_fields(struct srcu_struct *ssp) in init_srcu_struct_fields() argument
33 ssp->srcu_lock_nesting[0] = 0; in init_srcu_struct_fields()
34 ssp->srcu_lock_nesting[1] = 0; in init_srcu_struct_fields()
35 init_swait_queue_head(&ssp->srcu_wq); in init_srcu_struct_fields()
36 ssp->srcu_cb_head = NULL; in init_srcu_struct_fields()
37 ssp->srcu_cb_tail = &ssp->srcu_cb_head; in init_srcu_struct_fields()
38 ssp->srcu_gp_running = false; in init_srcu_struct_fields()
39 ssp->srcu_gp_waiting = false; in init_srcu_struct_fields()
40 ssp->srcu_idx = 0; in init_srcu_struct_fields()
41 ssp->srcu_idx_max = 0; in init_srcu_struct_fields()
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H A Dsrcutree.c76 static void srcu_reschedule(struct srcu_struct *ssp, unsigned long delay);
123 static void init_srcu_struct_data(struct srcu_struct *ssp) in init_srcu_struct_data() argument
133 sdp = per_cpu_ptr(ssp->sda, cpu); in init_srcu_struct_data()
137 sdp->srcu_gp_seq_needed = ssp->srcu_sup->srcu_gp_seq; in init_srcu_struct_data()
138 sdp->srcu_gp_seq_needed_exp = ssp->srcu_sup->srcu_gp_seq; in init_srcu_struct_data()
144 sdp->ssp = ssp; in init_srcu_struct_data()
164 static bool init_srcu_struct_nodes(struct srcu_struct *ssp, gfp_t gfp_flags) in init_srcu_struct_nodes() argument
176 ssp->srcu_sup->node = kcalloc(rcu_num_nodes, sizeof(*ssp->srcu_sup->node), gfp_flags); in init_srcu_struct_nodes()
177 if (!ssp->srcu_sup->node) in init_srcu_struct_nodes()
181 ssp->srcu_sup->level[0] = &ssp->srcu_sup->node[0]; in init_srcu_struct_nodes()
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/linux/drivers/tty/serial/
H A Dsifive.c227 static void __ssp_writel(u32 v, u16 offs, struct sifive_serial_port *ssp) in __ssp_writel() argument
229 __ssp_early_writel(v, offs, &ssp->port); in __ssp_writel()
244 static u32 __ssp_readl(struct sifive_serial_port *ssp, u16 offs) in __ssp_readl() argument
246 return __ssp_early_readl(&ssp->port, offs); in __ssp_readl()
260 static int sifive_serial_is_txfifo_full(struct sifive_serial_port *ssp) in sifive_serial_is_txfifo_full() argument
262 return __ssp_readl(ssp, SIFIVE_SERIAL_TXDATA_OFFS) & in sifive_serial_is_txfifo_full()
277 static void __ssp_transmit_char(struct sifive_serial_port *ssp, int ch) in __ssp_transmit_char() argument
279 __ssp_writel(ch, SIFIVE_SERIAL_TXDATA_OFFS, ssp); in __ssp_transmit_char()
291 static void __ssp_transmit_chars(struct sifive_serial_port *ssp) in __ssp_transmit_chars() argument
295 uart_port_tx_limited(&ssp->port, ch, SIFIVE_TX_FIFO_DEPTH, in __ssp_transmit_chars()
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/linux/sound/soc/pxa/
H A Dpxa-ssp.c39 struct ssp_device *ssp; member
53 static void dump_registers(struct ssp_device *ssp) in dump_registers() argument
55 dev_dbg(ssp->dev, "SSCR0 0x%08x SSCR1 0x%08x SSTO 0x%08x\n", in dump_registers()
56 pxa_ssp_read_reg(ssp, SSCR0), pxa_ssp_read_reg(ssp, SSCR1), in dump_registers()
57 pxa_ssp_read_reg(ssp, SSTO)); in dump_registers()
59 dev_dbg(ssp->dev, "SSPSP 0x%08x SSSR 0x%08x SSACD 0x%08x\n", in dump_registers()
60 pxa_ssp_read_reg(ssp, SSPSP), pxa_ssp_read_reg(ssp, SSSR), in dump_registers()
61 pxa_ssp_read_reg(ssp, SSACD)); in dump_registers()
64 static void pxa_ssp_set_dma_params(struct ssp_device *ssp, int width4, in pxa_ssp_set_dma_params() argument
70 dma->addr = ssp->phys_base + SSDR; in pxa_ssp_set_dma_params()
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H A DMakefile6 snd-soc-pxa-ssp-y := pxa-ssp.o
12 obj-$(CONFIG_SND_PXA_SOC_SSP) += snd-soc-pxa-ssp.o
/linux/drivers/spi/
H A Dspi-pxa2xx-platform.c22 pxa2xx_spi_init_ssp(struct platform_device *pdev, struct ssp_device *ssp, enum pxa_ssp_type type) in pxa2xx_spi_init_ssp() argument
29 ssp->mmio_base = devm_platform_get_and_ioremap_resource(pdev, 0, &res); in pxa2xx_spi_init_ssp()
30 if (IS_ERR(ssp->mmio_base)) in pxa2xx_spi_init_ssp()
31 return PTR_ERR(ssp->mmio_base); in pxa2xx_spi_init_ssp()
33 ssp->phys_base = res->start; in pxa2xx_spi_init_ssp()
35 ssp->clk = devm_clk_get(dev, NULL); in pxa2xx_spi_init_ssp()
36 if (IS_ERR(ssp->clk)) in pxa2xx_spi_init_ssp()
37 return PTR_ERR(ssp->clk); in pxa2xx_spi_init_ssp()
39 ssp->irq = platform_get_irq(pdev, 0); in pxa2xx_spi_init_ssp()
40 if (ssp->irq < 0) in pxa2xx_spi_init_ssp()
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H A Dspi-pxa2xx-pci.c67 static int pxa2xx_spi_pci_clk_register(struct pci_dev *dev, struct ssp_device *ssp, in pxa2xx_spi_pci_clk_register() argument
72 snprintf(buf, sizeof(buf), "pxa2xx-spi.%d", ssp->port_id); in pxa2xx_spi_pci_clk_register()
73 ssp->clk = clk_register_fixed_rate(&dev->dev, buf, NULL, 0, rate); in pxa2xx_spi_pci_clk_register()
74 if (IS_ERR(ssp->clk)) in pxa2xx_spi_pci_clk_register()
75 return PTR_ERR(ssp->clk); in pxa2xx_spi_pci_clk_register()
77 return devm_add_action_or_reset(&dev->dev, pxa2xx_spi_pci_clk_unregister, ssp->clk); in pxa2xx_spi_pci_clk_register()
98 struct ssp_device *ssp = &c->ssp; in lpss_spi_setup() local
105 ssp->type = LPSS_BYT_SSP; in lpss_spi_setup()
106 ssp->port_id = 0; in lpss_spi_setup()
111 ssp->type = LPSS_BSW_SSP; in lpss_spi_setup()
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H A Dspi-pxa2xx-dma.c53 pxa_ssp_disable(drv_data->ssp); in pxa2xx_spi_dma_transfer_complete()
93 cfg.dst_addr = drv_data->ssp->phys_base + SSDR; in pxa2xx_spi_dma_prepare_one()
100 cfg.src_addr = drv_data->ssp->phys_base + SSDR; in pxa2xx_spi_dma_prepare_one()
110 dev_warn(drv_data->ssp->dev, "DMA slave config failed\n"); in pxa2xx_spi_dma_prepare_one()
124 dev_err(drv_data->ssp->dev, "FIFO overrun\n"); in pxa2xx_spi_dma_transfer()
144 dev_err(drv_data->ssp->dev, "failed to get DMA TX descriptor\n"); in pxa2xx_spi_dma_prepare()
151 dev_err(drv_data->ssp->dev, "failed to get DMA RX descriptor\n"); in pxa2xx_spi_dma_prepare()
189 struct device *dev = drv_data->ssp->dev; in pxa2xx_spi_dma_setup()
H A Dspi-pxa2xx.h36 struct ssp_device ssp; member
45 struct ssp_device *ssp; member
81 return pxa_ssp_read_reg(drv_data->ssp, reg); in pxa2xx_spi_read()
86 pxa_ssp_write_reg(drv_data->ssp, reg, val); in pxa2xx_spi_write()
135 int pxa2xx_spi_probe(struct device *dev, struct ssp_device *ssp,
/linux/arch/x86/kernel/
H A Dshstk.c50 static int create_rstor_token(unsigned long ssp, unsigned long *token_addr) in create_rstor_token() argument
55 if (!IS_ALIGNED(ssp, 8)) in create_rstor_token()
58 addr = ssp - SS_FRAME_SIZE; in create_rstor_token()
64 ssp |= BIT(0); in create_rstor_token()
66 if (write_user_shstk_64((u64 __user *)addr, (u64)ssp)) in create_rstor_token()
238 unsigned long long ssp; in get_user_shstk_addr() local
242 rdmsrq(MSR_IA32_PL3_SSP, ssp); in get_user_shstk_addr()
246 return ssp; in get_user_shstk_addr()
252 u64 ssp; in shstk_pop() local
259 rdmsrq(MSR_IA32_PL3_SSP, ssp); in shstk_pop()
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/linux/drivers/clk/mxs/
H A Dclk-ssp.c21 void mxs_ssp_set_clk_rate(struct mxs_ssp *ssp, unsigned int rate) in mxs_ssp_set_clk_rate() argument
27 ssp_clk = clk_get_rate(ssp->clk); in mxs_ssp_set_clk_rate()
37 dev_err(ssp->dev, in mxs_ssp_set_clk_rate()
44 val = readl(ssp->base + HW_SSP_TIMING(ssp)); in mxs_ssp_set_clk_rate()
48 writel(val, ssp->base + HW_SSP_TIMING(ssp)); in mxs_ssp_set_clk_rate()
50 ssp->clk_rate = ssp_sck; in mxs_ssp_set_clk_rate()
52 dev_dbg(ssp->dev, in mxs_ssp_set_clk_rate()
/linux/Documentation/devicetree/bindings/pinctrl/
H A Dmarvell,dove-pinctrl.txt30 mpp10 10 gpio, pmu, ssp(sclk), pmu*
36 ssp(extclk), pmu*
37 mpp14 14 gpio, pmu, uart2(txd), sdio1(buspwr), ssp(rxd), pmu*
38 mpp15 15 gpio, pmu, uart2(rxd), sdio1(ledctrl), ssp(sfrm), pmu*
47 uart1(cts), ssp(sfrm)
49 lcd-spi(mosi), uart1(cts), ssp(txd)
51 lcd-spi(sck), ssp(sclk)
55 mpp_audio1 52-57 gpio, i2s1/spdifo, i2s1, spdifo, twsi, ssp/spdifo, ssp,
56 ssp/twsi
85 - ssp/spdifo : ssp on pins 52-55, spdifo on pin 57, no gpios
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/linux/sound/soc/intel/catpt/
H A Dregisters.h35 #define CATPT_CS_SFCR(ssp) BIT(27 + (ssp)) argument
39 #define CATPT_CS_SDPM(ssp) BIT(11 + (ssp)) argument
44 #define CATPT_CS_SBCS(ssp) BIT(2 + (ssp)) argument
144 #define catpt_ssp_addr(cdev, ssp) \ argument
145 ((cdev)->lpe_ba + (cdev)->spec->host_ssp_offset[ssp])
151 #define catpt_writel_ssp(cdev, ssp, reg, val) \ argument
152 writel(val, catpt_ssp_addr(cdev, ssp) + (reg))
/linux/arch/arm/mach-sa1100/
H A Dssp.c158 void ssp_save_state(struct ssp_state *ssp) in ssp_save_state() argument
160 ssp->cr0 = Ser4SSCR0; in ssp_save_state()
161 ssp->cr1 = Ser4SSCR1; in ssp_save_state()
172 void ssp_restore_state(struct ssp_state *ssp) in ssp_restore_state() argument
176 Ser4SSCR0 = ssp->cr0 & ~SSCR0_SSE; in ssp_restore_state()
177 Ser4SSCR1 = ssp->cr1; in ssp_restore_state()
178 Ser4SSCR0 = ssp->cr0; in ssp_restore_state()
/linux/drivers/scsi/isci/
H A Dremote_node_context.c129 rnc->ssp.remote_node_index = rni; in sci_remote_node_context_construct_buffer()
130 rnc->ssp.remote_node_port_width = idev->device_port_width; in sci_remote_node_context_construct_buffer()
131 rnc->ssp.logical_port_index = idev->owning_port->physical_port_index; in sci_remote_node_context_construct_buffer()
135 rnc->ssp.remote_sas_address_hi = upper_32_bits(sas_addr); in sci_remote_node_context_construct_buffer()
136 rnc->ssp.remote_sas_address_lo = lower_32_bits(sas_addr); in sci_remote_node_context_construct_buffer()
138 rnc->ssp.nexus_loss_timer_enable = true; in sci_remote_node_context_construct_buffer()
139 rnc->ssp.check_bit = false; in sci_remote_node_context_construct_buffer()
140 rnc->ssp.is_valid = false; in sci_remote_node_context_construct_buffer()
141 rnc->ssp.is_remote_node_context = true; in sci_remote_node_context_construct_buffer()
142 rnc->ssp.function_number = 0; in sci_remote_node_context_construct_buffer()
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/linux/Documentation/devicetree/bindings/sound/
H A Dmrvl,pxa-ssp.txt5 compatible Must be "mrvl,pxa-ssp-dai"
6 port A phandle reference to a PXA ssp upstream device
20 ssp1: ssp@41000000 {
21 compatible = "mrvl,pxa3xx-ssp";
24 clock-names = "pxa27x-ssp.0";
30 compatible = "mrvl,pxa-ssp-dai";
/linux/security/smack/
H A Dsmack_lsm.c1610 struct socket_smack *ssp; in smack_inode_getsecurity() local
1639 ssp = smack_sock(sock->sk); in smack_inode_getsecurity()
1642 isp = ssp->smk_in; in smack_inode_getsecurity()
1644 isp = ssp->smk_out; in smack_inode_getsecurity()
2015 struct socket_smack *ssp; in smack_file_receive() local
2025 ssp = smack_sock(sock->sk); in smack_file_receive()
2033 rc = smk_access(tsp->smk_task, ssp->smk_out, MAY_WRITE, &ad); in smack_file_receive()
2037 rc = smk_access(ssp->smk_in, tsp->smk_task, MAY_WRITE, &ad); in smack_file_receive()
2452 struct socket_smack *ssp = smack_sock(sk); in smack_sk_alloc_security() local
2458 ssp->smk_in = &smack_known_web; in smack_sk_alloc_security()
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H A Dsmack_netfilter.c26 struct socket_smack *ssp; in smack_ip_output() local
30 ssp = smack_sock(sk); in smack_ip_output()
31 skp = ssp->smk_out; in smack_ip_output()
/linux/tools/testing/selftests/x86/
H A Dtest_shadow_stack.c135 unsigned long ssp; in try_shstk() local
140 ssp = get_ssp(); in try_shstk()
141 printf("[INFO]\tchanging ssp from %lx to %lx\n", ssp, new_ssp); in try_shstk()
148 ssp -= 8; in try_shstk()
149 asm volatile("rstorssp (%0)\n":: "r" (ssp)); in try_shstk()
884 unsigned long saved_ssp, ssp = 0; in test_ptrace() local
890 iov.iov_base = &ssp; in test_ptrace()
891 iov.iov_len = sizeof(ssp); in test_ptrace()
895 ssp = get_ssp(); in test_ptrace()
919 if (!ssp) { in test_ptrace()
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/linux/drivers/usb/gadget/
H A Dconfig.c110 struct usb_descriptor_header **ssp) in usb_assign_descriptors() argument
117 if (!ssp) in usb_assign_descriptors()
118 ssp = ss; in usb_assign_descriptors()
135 if (ssp) { in usb_assign_descriptors()
136 f->ssp_descriptors = usb_copy_descriptors(ssp); in usb_assign_descriptors()
/linux/arch/arm/boot/dts/intel/pxa/
H A Dpxa3xx.dtsi256 ssp1: ssp@41000000 {
257 compatible = "mrvl,pxa3xx-ssp";
264 ssp2: ssp@41700000 {
265 compatible = "mrvl,pxa3xx-ssp";
272 ssp3: ssp@41900000 {
273 compatible = "mrvl,pxa3xx-ssp";
280 ssp4: ssp@41a00000 {
281 compatible = "mrvl,pxa3xx-ssp";

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