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/linux/drivers/phy/
H A Dphy-core.c3 * phy-core.c -- Generic Phy framework.
18 #include <linux/phy/phy.h>
25 .name = "phy",
37 struct phy *phy = *(struct phy **)res; in devm_phy_release() local
39 phy_put(dev, phy); in devm_phy_release()
51 struct phy *phy = *(struct phy **)res; in devm_phy_consume() local
53 phy_destroy(phy); in devm_phy_consume()
58 struct phy **phy = res; in devm_phy_match() local
60 return *phy == match_data; in devm_phy_match()
64 * phy_create_lookup() - allocate and register PHY/device association
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H A Dphy-snps-eusb2.c11 #include <linux/phy/phy.h>
158 int (*phy_init)(struct phy *p);
164 struct phy *phy; member
175 struct phy *repeater;
180 static int snps_eusb2_hsphy_set_mode(struct phy *p, enum phy_mode mode, int submode) in snps_eusb2_hsphy_set_mode()
182 struct snps_eusb2_hsphy *phy = phy_get_drvdata(p); in snps_eusb2_hsphy_set_mode() local
184 phy->mode = mode; in snps_eusb2_hsphy_set_mode()
186 return phy_set_mode_ext(phy->repeater, mode, submode); in snps_eusb2_hsphy_set_mode()
203 static void qcom_eusb2_default_parameters(struct snps_eusb2_hsphy *phy) in qcom_eusb2_default_parameters() argument
206 snps_eusb2_hsphy_write_mask(phy->base, QCOM_USB_PHY_CFG_CTRL_9, in qcom_eusb2_default_parameters()
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/linux/Documentation/translations/zh_CN/driver-api/phy/
H A Dphy.rst4 :Original: Documentation/driver-api/phy/phy.rst
16 本文档解释了 PHY 的通用框架和提供的API，以及使用方法。
21 *PHY* 是物理层的缩写，它被用来把设备连接到一个物理媒介，例如USB控制器
22 有一个提供序列化、反序列化、编码、解码和负责获取所需的数据传输速率的 PHY。
23 注意，有些USB控制器内嵌了 PHY 的功能，其它的则使用了一个外置的PHY，此外
24 使用 PHY 的设备还有无线网、以太网、SATA等（控制器）。
26 创建这个框架的目的是将遍布 Linux 内核的 PHY 驱动程序融入到 drivers/phy，
29 该框架仅适用于使用外部 PHY（PHY 功能未嵌入控制器内）的设备。
34 PHY provider是指实现一个或多个 PHY 实例的实体。对于 PHY provider 仅
35 实现单个 PHY 实例的简单情况，框架在 of_phy_simple_xlate 中提供其自己
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/linux/drivers/scsi/libsas/
H A Dsas_phy.c3 * Serial Attached SCSI (SAS) Phy class
15 /* ---------- Phy events ---------- */
20 struct asd_sas_phy *phy = ev->phy; in sas_phye_loss_of_signal() local
22 phy->error = 0; in sas_phye_loss_of_signal()
23 sas_deform_port(phy, true); in sas_phye_loss_of_signal()
29 struct asd_sas_phy *phy = ev->phy; in sas_phye_oob_done() local
31 phy->error = 0; in sas_phye_oob_done()
37 struct asd_sas_phy *phy = ev->phy; in sas_phye_oob_error() local
38 struct sas_ha_struct *sas_ha = phy->ha; in sas_phye_oob_error()
39 struct asd_sas_port *port = phy->port; in sas_phye_oob_error()
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H A Dsas_port.c15 static bool phy_is_wideport_member(struct asd_sas_port *port, struct asd_sas_phy *phy) in phy_is_wideport_member() argument
17 struct sas_ha_struct *sas_ha = phy->ha; in phy_is_wideport_member()
19 if (memcmp(port->attached_sas_addr, phy->attached_sas_addr, in phy_is_wideport_member()
21 memcmp(port->sas_addr, phy->sas_addr, SAS_ADDR_SIZE) != 0)) in phy_is_wideport_member()
26 static void sas_resume_port(struct asd_sas_phy *phy) in sas_resume_port() argument
29 struct asd_sas_port *port = phy->port; in sas_resume_port()
30 struct sas_ha_struct *sas_ha = phy->ha; in sas_resume_port()
34 si->dft->lldd_port_formed(phy); in sas_resume_port()
60 struct ex_phy *phy = &dev->ex_dev.ex_phy[i]; in sas_resume_port() local
62 phy->phy_change_count = -1; in sas_resume_port()
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/linux/drivers/net/ethernet/ibm/emac/
H A Dphy.c3 * drivers/net/ethernet/ibm/emac/phy.c
5 * Driver for PowerPC 4xx on-chip ethernet controller, PHY support.
30 #include "phy.h"
35 static inline int _phy_read(struct mii_phy *phy, int reg) in _phy_read() argument
37 return phy->mdio_read(phy->dev, phy->address, reg); in _phy_read()
40 static inline void _phy_write(struct mii_phy *phy, int reg, int val) in _phy_write() argument
42 phy->mdio_write(phy->dev, phy->address, reg, val); in _phy_write()
45 static inline int gpcs_phy_read(struct mii_phy *phy, int reg) in gpcs_phy_read() argument
47 return phy->mdio_read(phy->dev, phy->gpcs_address, reg); in gpcs_phy_read()
50 static inline void gpcs_phy_write(struct mii_phy *phy, int reg, int val) in gpcs_phy_write() argument
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/linux/drivers/phy/ralink/
H A Dphy-ralink-usb.c17 #include <linux/phy/phy.h>
56 struct phy *phy; member
61 static void u2_phy_w32(struct ralink_usb_phy *phy, u32 val, u32 reg) in u2_phy_w32() argument
63 writel(val, phy->base + reg); in u2_phy_w32()
66 static u32 u2_phy_r32(struct ralink_usb_phy *phy, u32 reg) in u2_phy_r32() argument
68 return readl(phy->base + reg); in u2_phy_r32()
71 static void ralink_usb_phy_init(struct ralink_usb_phy *phy) in ralink_usb_phy_init() argument
73 u2_phy_r32(phy, OFS_U2_PHY_AC2); in ralink_usb_phy_init()
74 u2_phy_r32(phy, OFS_U2_PHY_ACR0); in ralink_usb_phy_init()
75 u2_phy_r32(phy, OFS_U2_PHY_DCR0); in ralink_usb_phy_init()
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H A Dphy-mt7621-pci.c3 * Mediatek MT7621 PCI PHY Driver
7 #include <dt-bindings/phy/phy.h>
13 #include <linux/phy/phy.h>
66 * struct mt7621_pci_phy - Mt7621 Pcie PHY core
69 * @phy: pointer to the kernel PHY device
72 * @has_dual_port: if the phy has dual ports.
79 struct phy *phy; member
86 static inline void mt7621_phy_rmw(struct mt7621_pci_phy *phy, in mt7621_phy_rmw() argument
98 regmap_read(phy->regmap, reg, &val); in mt7621_phy_rmw()
101 regmap_write(phy->regmap, reg, val); in mt7621_phy_rmw()
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/linux/drivers/net/phy/
H A Dphy_led_triggers.c4 #include <linux/phy.h>
10 static struct phy_led_trigger *phy_speed_to_led_trigger(struct phy_device *phy, in phy_speed_to_led_trigger() argument
15 for (i = 0; i < phy->phy_num_led_triggers; i++) { in phy_speed_to_led_trigger()
16 if (phy->phy_led_triggers[i].speed == speed) in phy_speed_to_led_trigger()
17 return &phy->phy_led_triggers[i]; in phy_speed_to_led_trigger()
22 static void phy_led_trigger_no_link(struct phy_device *phy) in phy_led_trigger_no_link() argument
24 if (phy->last_triggered) { in phy_led_trigger_no_link()
25 led_trigger_event(&phy->last_triggered->trigger, LED_OFF); in phy_led_trigger_no_link()
26 led_trigger_event(&phy->led_link_trigger->trigger, LED_OFF); in phy_led_trigger_no_link()
27 phy->last_triggered = NULL; in phy_led_trigger_no_link()
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/linux/drivers/phy/ti/
H A Dphy-dm816x-usb.c15 #include <linux/phy/phy.h>
22 * phy as being SR70LX Synopsys USB 2.0 OTG nanoPHY. It also seems at
32 * Finally, the phy on dm814x and am335x is different from dm816x.
35 #define DM816X_USB_CTRL_PHYSLEEP1 BIT(1) /* Enable the first phy */
36 #define DM816X_USB_CTRL_PHYSLEEP0 BIT(0) /* Enable the second phy */
47 struct usb_phy phy; member
71 static int dm816x_usb_phy_init(struct phy *x) in dm816x_usb_phy_init()
73 struct dm816x_usb_phy *phy = phy_get_drvdata(x); in dm816x_usb_phy_init() local
76 if (clk_get_rate(phy->refclk) != 24000000) in dm816x_usb_phy_init()
77 dev_warn(phy->dev, "nonstandard phy refclk\n"); in dm816x_usb_phy_init()
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H A Dphy-omap-usb2.c3 * omap-usb2.c - USB PHY, talking to USB controller on TI SoCs.
17 #include <linux/phy/omap_control_phy.h>
18 #include <linux/phy/omap_usb.h>
19 #include <linux/phy/phy.h>
55 struct usb_phy phy; member
71 #define phy_to_omapusb(x) container_of((x), struct omap_usb, phy)
93 * omap_usb2_set_comparator() - links the comparator present in the system with this phy
95 * @comparator: the companion phy(comparator) for this phy
97 * The phy companion driver should call this API passing the phy_companion
98 * filled with set_vbus and start_srp to be used by usb phy.
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H A Dphy-ti-pipe3.c3 * phy-ti-pipe3 - PIPE3 PHY driver.
13 #include <linux/phy/phy.h>
20 #include <linux/phy/omap_control_phy.h>
300 static struct pipe3_dpll_params *ti_pipe3_get_dpll_params(struct ti_pipe3 *phy) in ti_pipe3_get_dpll_params() argument
303 struct pipe3_dpll_map *dpll_map = phy->dpll_map; in ti_pipe3_get_dpll_params()
305 rate = clk_get_rate(phy->sys_clk); in ti_pipe3_get_dpll_params()
312 dev_err(phy->dev, "No DPLL configuration for %lu Hz SYS CLK\n", rate); in ti_pipe3_get_dpll_params()
317 static int ti_pipe3_enable_clocks(struct ti_pipe3 *phy);
318 static void ti_pipe3_disable_clocks(struct ti_pipe3 *phy);
320 static int ti_pipe3_power_off(struct phy *x) in ti_pipe3_power_off()
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/linux/drivers/phy/allwinner/
H A Dphy-sun9i-usb.c3 * Allwinner sun9i USB phy driver
7 * Based on phy-sun4i-usb.c from
18 #include <linux/phy/phy.h>
36 struct phy *phy; member
44 static void sun9i_usb_phy_passby(struct sun9i_usb_phy *phy, int enable) in sun9i_usb_phy_passby() argument
52 if (phy->type == USBPHY_INTERFACE_MODE_HSIC) in sun9i_usb_phy_passby()
56 reg_value = readl(phy->pmu); in sun9i_usb_phy_passby()
63 writel(reg_value, phy->pmu); in sun9i_usb_phy_passby()
66 static int sun9i_usb_phy_init(struct phy *_phy) in sun9i_usb_phy_init()
68 struct sun9i_usb_phy *phy = phy_get_drvdata(_phy); in sun9i_usb_phy_init() local
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H A Dphy-sun50i-usb3.c3 * Allwinner sun50i(H6) USB 3.0 phy driver
7 * Based on phy-sun9i-usb.c, which is:
21 #include <linux/phy/phy.h>
38 /* PHY External Control Register */
43 /* PHY Tune High Register */
56 struct phy *phy; member
62 static void sun50i_usb3_phy_open(struct sun50i_usb3_phy *phy) in sun50i_usb3_phy_open() argument
66 val = readl(phy->regs + SUNXI_PHY_EXTERNAL_CONTROL); in sun50i_usb3_phy_open()
69 writel(val, phy->regs + SUNXI_PHY_EXTERNAL_CONTROL); in sun50i_usb3_phy_open()
71 val = readl(phy->regs + SUNXI_PIPE_CLOCK_CONTROL); in sun50i_usb3_phy_open()
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/linux/drivers/phy/qualcomm/
H A Dphy-qcom-ipq4019-usb.c17 #include <linux/phy/phy.h>
23 struct phy *phy; member
29 static int ipq4019_ss_phy_power_off(struct phy *_phy) in ipq4019_ss_phy_power_off()
31 struct ipq4019_usb_phy *phy = phy_get_drvdata(_phy); in ipq4019_ss_phy_power_off() local
33 reset_control_assert(phy->por_rst); in ipq4019_ss_phy_power_off()
39 static int ipq4019_ss_phy_power_on(struct phy *_phy) in ipq4019_ss_phy_power_on()
41 struct ipq4019_usb_phy *phy = phy_get_drvdata(_phy); in ipq4019_ss_phy_power_on() local
45 reset_control_deassert(phy->por_rst); in ipq4019_ss_phy_power_on()
55 static int ipq4019_hs_phy_power_off(struct phy *_phy) in ipq4019_hs_phy_power_off()
57 struct ipq4019_usb_phy *phy = phy_get_drvdata(_phy); in ipq4019_hs_phy_power_off() local
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H A DKconfig3 # Phy drivers for Qualcomm and Atheros platforms
6 tristate "Atheros AR71XX/9XXX USB PHY driver"
12 Enable this to support the USB PHY on Atheros AR71XX/9XXX SoCs.
15 tristate "Qualcomm APQ8064 SATA SerDes/PHY driver"
22 tristate "Qualcomm eDP PHY driver"
28 Enable this driver to support the Qualcomm eDP PHY found in various
32 tristate "Qualcomm IPQ4019 USB PHY driver"
36 Support for the USB PHY-s on Qualcomm IPQ40xx SoC-s.
39 tristate "Qualcomm IPQ806x SATA SerDes/PHY driver"
46 tristate "Qualcomm PCIe Gen2 PHY Driver"
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/linux/drivers/phy/starfive/
H A Dphy-jh7110-usb.c3 * StarFive JH7110 USB 2.0 PHY driver
15 #include <linux/phy/phy.h>
30 struct phy *phy; member
38 static void usb2_set_ls_keepalive(struct jh7110_usb2_phy *phy, bool set) in usb2_set_ls_keepalive() argument
43 val = readl(phy->regs + USB_LS_KEEPALIVE_OFF); in usb2_set_ls_keepalive()
49 writel(val, phy->regs + USB_LS_KEEPALIVE_OFF); in usb2_set_ls_keepalive()
52 static int usb2_phy_set_mode(struct phy *_phy, in usb2_phy_set_mode()
55 struct jh7110_usb2_phy *phy = phy_get_drvdata(_phy); in usb2_phy_set_mode() local
66 if (mode != phy->mode) { in usb2_phy_set_mode()
67 dev_dbg(&_phy->dev, "Changing phy to %d\n", mode); in usb2_phy_set_mode()
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/linux/drivers/phy/samsung/
H A Dphy-samsung-ufs.c3 * UFS PHY driver for Samsung SoC
18 #include <linux/phy/phy.h>
22 #include "phy-samsung-ufs.h"
24 #define for_each_phy_lane(phy, i) \ argument
25 for (i = 0; i < (phy)->lane_cnt; i++)
31 void samsung_ufs_phy_config(struct samsung_ufs_phy *phy, in samsung_ufs_phy_config() argument
39 writel(cfg->val, (phy)->reg_pma + cfg->off_0); in samsung_ufs_phy_config()
43 writel(cfg->val, (phy)->reg_pma + cfg->off_1); in samsung_ufs_phy_config()
48 int samsung_ufs_phy_wait_for_lock_acq(struct phy *phy, u8 lane) in samsung_ufs_phy_wait_for_lock_acq() argument
50 struct samsung_ufs_phy *ufs_phy = get_samsung_ufs_phy(phy); in samsung_ufs_phy_wait_for_lock_acq()
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/linux/arch/arm64/boot/dts/microchip/
H A Dsparx5_pcb135_board.dtsi202 phy0: ethernet-phy@0 {
205 phy1: ethernet-phy@1 {
208 phy2: ethernet-phy@2 {
211 phy3: ethernet-phy@3 {
214 phy4: ethernet-phy@4 {
217 phy5: ethernet-phy@5 {
220 phy6: ethernet-phy@6 {
223 phy7: ethernet-phy@7 {
226 phy8: ethernet-phy@8 {
229 phy9: ethernet-phy@9 {
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/linux/drivers/net/ethernet/intel/igb/
H A De1000_phy.c31 * igb_check_reset_block - Check if PHY reset is blocked
34 * Read the PHY management control register and check whether a PHY reset
48 * igb_get_phy_id - Retrieve the PHY ID and revision
51 * Reads the PHY registers and stores the PHY ID and possibly the PHY
56 struct e1000_phy_info *phy = &hw->phy; in igb_get_phy_id() local
60 /* ensure PHY page selection to fix misconfigured i210 */ in igb_get_phy_id()
62 phy->ops.write_reg(hw, I347AT4_PAGE_SELECT, 0); in igb_get_phy_id()
64 ret_val = phy->ops.read_reg(hw, PHY_ID1, &phy_id); in igb_get_phy_id()
68 phy->id = (u32)(phy_id << 16); in igb_get_phy_id()
70 ret_val = phy->ops.read_reg(hw, PHY_ID2, &phy_id); in igb_get_phy_id()
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/linux/drivers/net/ethernet/chelsio/cxgb3/
H A Dael1002.c62 /* PHY module I2C device address */
68 /* PHY transceiver type */
84 static int set_phy_regs(struct cphy *phy, const struct reg_val *rv) in set_phy_regs() argument
90 err = t3_mdio_write(phy, rv->mmd_addr, rv->reg_addr, in set_phy_regs()
93 err = t3_mdio_change_bits(phy, rv->mmd_addr, in set_phy_regs()
100 static void ael100x_txon(struct cphy *phy) in ael100x_txon() argument
103 phy->mdio.prtad == 0 ? F_GPIO7_OUT_VAL : F_GPIO2_OUT_VAL; in ael100x_txon()
106 t3_set_reg_field(phy->adapter, A_T3DBG_GPIO_EN, 0, tx_on_gpio); in ael100x_txon()
111 * Read an 8-bit word from a device attached to the PHY's i2c bus.
113 static int ael_i2c_rd(struct cphy *phy, int dev_addr, int word_addr) in ael_i2c_rd() argument
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/linux/drivers/phy/sophgo/
H A Dphy-cv1800-usb2.c15 #include <linux/phy/phy.h>
33 struct phy *phy; member
42 static int cv1800_usb_phy_set_mode(struct phy *_phy, in cv1800_usb_phy_set_mode()
45 struct cv1800_usb_phy *phy = phy_get_drvdata(_phy); in cv1800_usb_phy_set_mode() local
49 dev_info(&phy->phy->dev, "set mode %d", (int)mode); in cv1800_usb_phy_set_mode()
54 regmap_clear_bits(phy->syscon, REG_USB_PHY_CTRL, PHY_VBUS_POWER); in cv1800_usb_phy_set_mode()
58 regmap_set_bits(phy->syscon, REG_USB_PHY_CTRL, PHY_VBUS_POWER); in cv1800_usb_phy_set_mode()
61 if (!phy->support_otg) in cv1800_usb_phy_set_mode()
64 ret = regmap_read(phy->syscon, REG_USB_PHY_CTRL, &regval); in cv1800_usb_phy_set_mode()
74 return regmap_update_bits(phy->syscon, REG_USB_PHY_CTRL, in cv1800_usb_phy_set_mode()
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/linux/drivers/gpu/drm/sun4i/
H A Dsun8i_hdmi_phy.c127 static void sun8i_hdmi_phy_set_polarity(struct sun8i_hdmi_phy *phy, in sun8i_hdmi_phy_set_polarity() argument
138 regmap_update_bits(phy->regs, SUN8I_HDMI_PHY_DBG_CTRL_REG, in sun8i_hdmi_phy_set_polarity()
147 struct sun8i_hdmi_phy *phy = data; in sun8i_a83t_hdmi_phy_config() local
149 sun8i_hdmi_phy_set_polarity(phy, mode); in sun8i_a83t_hdmi_phy_config()
151 regmap_update_bits(phy->regs, SUN8I_HDMI_PHY_REXT_CTRL_REG, in sun8i_a83t_hdmi_phy_config()
211 struct sun8i_hdmi_phy *phy = data; in sun8i_a83t_hdmi_phy_disable() local
216 regmap_update_bits(phy->regs, SUN8I_HDMI_PHY_REXT_CTRL_REG, in sun8i_a83t_hdmi_phy_disable()
233 struct sun8i_hdmi_phy *phy = data; in sun8i_h3_hdmi_phy_config() local
242 if (phy->variant->has_phy_clk) in sun8i_h3_hdmi_phy_config()
243 clk_set_rate(phy->clk_phy, clk_rate); in sun8i_h3_hdmi_phy_config()
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/linux/drivers/gpu/drm/i915/display/
H A Dbxt_dpio_phy_regs.h11 /* BXT PHY registers */
15 #define BXT_PHY_BASE(phy) \ argument
16 _PICK_EVEN_2RANGES(phy, 1, \
20 #define _BXT_PHY(phy, reg) \ argument
21 _MMIO(BXT_PHY_BASE(phy) - _BXT_PHY0_BASE + (reg))
23 #define _BXT_PHY_CH(phy, ch, reg_ch0, reg_ch1) \ argument
24 (BXT_PHY_BASE(phy) + _PIPE((ch), (reg_ch0) - _BXT_PHY0_BASE, \
26 #define _MMIO_BXT_PHY_CH(phy, ch, reg_ch0, reg_ch1) \ argument
27 _MMIO(_BXT_PHY_CH(phy, ch, reg_ch0, reg_ch1))
30 #define _MMIO_BXT_PHY_CH_LN(phy, ch, lane, reg_ch0, reg_ch1) \ argument
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/linux/drivers/nfc/pn533/
H A Dusb.c61 struct pn533_usb_phy *phy = urb->context; in pn533_recv_response() local
67 nfc_err(&phy->udev->dev, "failed to alloc memory\n"); in pn533_recv_response()
74 pn533_recv_frame(phy->priv, skb, urb->status); in pn533_recv_response()
77 static int pn533_submit_urb_for_response(struct pn533_usb_phy *phy, gfp_t flags) in pn533_submit_urb_for_response() argument
79 phy->in_urb->complete = pn533_recv_response; in pn533_submit_urb_for_response()
81 return usb_submit_urb(phy->in_urb, flags); in pn533_submit_urb_for_response()
86 struct pn533_usb_phy *phy = urb->context; in pn533_recv_ack() local
87 struct pn533 *priv = phy->priv; in pn533_recv_ack()
99 dev_dbg(&phy->udev->dev, in pn533_recv_ack()
105 nfc_err(&phy->udev->dev, in pn533_recv_ack()
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