| /kernel/linux/linux-5.10/drivers/i2c/busses/ |
| D | i2c-npcm7xx.c | 30 * of the bus.
143 #define NPCM_I2CT_OUT 0x14 /* Bus T.O. */
319 static inline void npcm_i2c_select_bank(struct npcm_i2c *bus, in npcm_i2c_select_bank() argument
322 u8 i2cctl3 = ioread8(bus->reg + NPCM_I2CCTL3); in npcm_i2c_select_bank()
328 iowrite8(i2cctl3, bus->reg + NPCM_I2CCTL3); in npcm_i2c_select_bank()
331 static void npcm_i2c_init_params(struct npcm_i2c *bus) in npcm_i2c_init_params() argument
333 bus->stop_ind = I2C_NO_STATUS_IND; in npcm_i2c_init_params()
334 bus->rd_size = 0; in npcm_i2c_init_params()
335 bus->wr_size = 0; in npcm_i2c_init_params()
336 bus->rd_ind = 0; in npcm_i2c_init_params()
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| D | i2c-aspeed.c | 173 static int aspeed_i2c_reset(struct aspeed_i2c_bus *bus);
175 static int aspeed_i2c_recover_bus(struct aspeed_i2c_bus *bus) in aspeed_i2c_recover_bus() argument
181 spin_lock_irqsave(&bus->lock, flags); in aspeed_i2c_recover_bus()
182 command = readl(bus->base + ASPEED_I2C_CMD_REG); in aspeed_i2c_recover_bus()
185 /* Bus is idle: no recovery needed. */ in aspeed_i2c_recover_bus()
188 dev_dbg(bus->dev, "SCL hung (state %x), attempting recovery\n", in aspeed_i2c_recover_bus()
191 reinit_completion(&bus->cmd_complete); in aspeed_i2c_recover_bus()
192 writel(ASPEED_I2CD_M_STOP_CMD, bus->base + ASPEED_I2C_CMD_REG); in aspeed_i2c_recover_bus()
193 spin_unlock_irqrestore(&bus->lock, flags); in aspeed_i2c_recover_bus()
196 &bus->cmd_complete, bus->adap.timeout); in aspeed_i2c_recover_bus()
[all …]
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| /kernel/linux/linux-4.19/sound/hda/ |
| D | hdac_controller.c | 13 static void azx_clear_corbrp(struct hdac_bus *bus) in azx_clear_corbrp() argument
18 if (snd_hdac_chip_readw(bus, CORBRP) & AZX_CORBRP_RST) in azx_clear_corbrp()
23 dev_err(bus->dev, "CORB reset timeout#1, CORBRP = %d\n", in azx_clear_corbrp()
24 snd_hdac_chip_readw(bus, CORBRP)); in azx_clear_corbrp()
26 snd_hdac_chip_writew(bus, CORBRP, 0); in azx_clear_corbrp()
28 if (snd_hdac_chip_readw(bus, CORBRP) == 0) in azx_clear_corbrp()
33 dev_err(bus->dev, "CORB reset timeout#2, CORBRP = %d\n", in azx_clear_corbrp()
34 snd_hdac_chip_readw(bus, CORBRP)); in azx_clear_corbrp()
39 * @bus: HD-audio core bus
41 void snd_hdac_bus_init_cmd_io(struct hdac_bus *bus) in snd_hdac_bus_init_cmd_io() argument
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| D | hdac_bus.c | 2 * HD-audio core bus driver
20 * snd_hdac_bus_init - initialize a HD-audio bas bus
21 * @bus: the pointer to bus object
22 * @ops: bus verb operators
27 int snd_hdac_bus_init(struct hdac_bus *bus, struct device *dev, in snd_hdac_bus_init() argument
31 memset(bus, 0, sizeof(*bus)); in snd_hdac_bus_init()
32 bus->dev = dev; in snd_hdac_bus_init()
34 bus->ops = ops; in snd_hdac_bus_init()
36 bus->ops = &default_ops; in snd_hdac_bus_init()
37 bus->io_ops = io_ops; in snd_hdac_bus_init()
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| /kernel/linux/linux-5.10/sound/hda/ |
| D | hdac_controller.c | 15 static void azx_clear_corbrp(struct hdac_bus *bus) in azx_clear_corbrp() argument
20 if (snd_hdac_chip_readw(bus, CORBRP) & AZX_CORBRP_RST) in azx_clear_corbrp()
25 dev_err(bus->dev, "CORB reset timeout#1, CORBRP = %d\n", in azx_clear_corbrp()
26 snd_hdac_chip_readw(bus, CORBRP)); in azx_clear_corbrp()
28 snd_hdac_chip_writew(bus, CORBRP, 0); in azx_clear_corbrp()
30 if (snd_hdac_chip_readw(bus, CORBRP) == 0) in azx_clear_corbrp()
35 dev_err(bus->dev, "CORB reset timeout#2, CORBRP = %d\n", in azx_clear_corbrp()
36 snd_hdac_chip_readw(bus, CORBRP)); in azx_clear_corbrp()
41 * @bus: HD-audio core bus
43 void snd_hdac_bus_init_cmd_io(struct hdac_bus *bus) in snd_hdac_bus_init_cmd_io() argument
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| D | hdac_bus.c | 3 * HD-audio core bus driver
23 * snd_hdac_bus_init - initialize a HD-audio bas bus
24 * @bus: the pointer to bus object
26 * @ops: bus verb operators
30 int snd_hdac_bus_init(struct hdac_bus *bus, struct device *dev, in snd_hdac_bus_init() argument
33 memset(bus, 0, sizeof(*bus)); in snd_hdac_bus_init()
34 bus->dev = dev; in snd_hdac_bus_init()
36 bus->ops = ops; in snd_hdac_bus_init()
38 bus->ops = &default_ops; in snd_hdac_bus_init()
39 bus->dma_type = SNDRV_DMA_TYPE_DEV; in snd_hdac_bus_init()
[all …]
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| /kernel/linux/linux-5.10/sound/i2c/ |
| D | i2c.c | 25 static int snd_i2c_bit_probeaddr(struct snd_i2c_bus *bus,
34 static int snd_i2c_bus_free(struct snd_i2c_bus *bus) in snd_i2c_bus_free() argument
39 if (snd_BUG_ON(!bus)) in snd_i2c_bus_free()
41 while (!list_empty(&bus->devices)) { in snd_i2c_bus_free()
42 device = snd_i2c_device(bus->devices.next); in snd_i2c_bus_free()
45 if (bus->master) in snd_i2c_bus_free()
46 list_del(&bus->buses); in snd_i2c_bus_free()
48 while (!list_empty(&bus->buses)) { in snd_i2c_bus_free()
49 slave = snd_i2c_slave_bus(bus->buses.next); in snd_i2c_bus_free()
50 snd_device_free(bus->card, slave); in snd_i2c_bus_free()
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| /kernel/linux/linux-4.19/sound/i2c/ |
| D | i2c.c | 39 static int snd_i2c_bit_probeaddr(struct snd_i2c_bus *bus,
48 static int snd_i2c_bus_free(struct snd_i2c_bus *bus) in snd_i2c_bus_free() argument
53 if (snd_BUG_ON(!bus)) in snd_i2c_bus_free()
55 while (!list_empty(&bus->devices)) { in snd_i2c_bus_free()
56 device = snd_i2c_device(bus->devices.next); in snd_i2c_bus_free()
59 if (bus->master) in snd_i2c_bus_free()
60 list_del(&bus->buses); in snd_i2c_bus_free()
62 while (!list_empty(&bus->buses)) { in snd_i2c_bus_free()
63 slave = snd_i2c_slave_bus(bus->buses.next); in snd_i2c_bus_free()
64 snd_device_free(bus->card, slave); in snd_i2c_bus_free()
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| /kernel/linux/linux-4.19/drivers/i2c/busses/ |
| D | i2c-aspeed.c | 160 static int aspeed_i2c_reset(struct aspeed_i2c_bus *bus);
162 static int aspeed_i2c_recover_bus(struct aspeed_i2c_bus *bus) in aspeed_i2c_recover_bus() argument
168 spin_lock_irqsave(&bus->lock, flags); in aspeed_i2c_recover_bus()
169 command = readl(bus->base + ASPEED_I2C_CMD_REG); in aspeed_i2c_recover_bus()
172 /* Bus is idle: no recovery needed. */ in aspeed_i2c_recover_bus()
175 dev_dbg(bus->dev, "SCL hung (state %x), attempting recovery\n", in aspeed_i2c_recover_bus()
178 reinit_completion(&bus->cmd_complete); in aspeed_i2c_recover_bus()
179 writel(ASPEED_I2CD_M_STOP_CMD, bus->base + ASPEED_I2C_CMD_REG); in aspeed_i2c_recover_bus()
180 spin_unlock_irqrestore(&bus->lock, flags); in aspeed_i2c_recover_bus()
183 &bus->cmd_complete, bus->adap.timeout); in aspeed_i2c_recover_bus()
[all …]
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| /kernel/linux/linux-4.19/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/ |
| D | bit.c | 24 #include "bus.h"
32 nvkm_i2c_drive_scl(struct nvkm_i2c_bus *bus, int state) in nvkm_i2c_drive_scl() argument
34 bus->func->drive_scl(bus, state); in nvkm_i2c_drive_scl()
38 nvkm_i2c_drive_sda(struct nvkm_i2c_bus *bus, int state) in nvkm_i2c_drive_sda() argument
40 bus->func->drive_sda(bus, state); in nvkm_i2c_drive_sda()
44 nvkm_i2c_sense_scl(struct nvkm_i2c_bus *bus) in nvkm_i2c_sense_scl() argument
46 return bus->func->sense_scl(bus); in nvkm_i2c_sense_scl()
50 nvkm_i2c_sense_sda(struct nvkm_i2c_bus *bus) in nvkm_i2c_sense_sda() argument
52 return bus->func->sense_sda(bus); in nvkm_i2c_sense_sda()
56 nvkm_i2c_delay(struct nvkm_i2c_bus *bus, u32 nsec) in nvkm_i2c_delay() argument
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| D | bus.c | 24 #include "bus.h"
35 struct nvkm_i2c_bus *bus = container_of(adap, typeof(*bus), i2c); in nvkm_i2c_bus_pre_xfer() local
36 return nvkm_i2c_bus_acquire(bus); in nvkm_i2c_bus_pre_xfer()
42 struct nvkm_i2c_bus *bus = container_of(adap, typeof(*bus), i2c); in nvkm_i2c_bus_post_xfer() local
43 return nvkm_i2c_bus_release(bus); in nvkm_i2c_bus_post_xfer()
49 struct nvkm_i2c_bus *bus = data; in nvkm_i2c_bus_setscl() local
50 bus->func->drive_scl(bus, state); in nvkm_i2c_bus_setscl()
56 struct nvkm_i2c_bus *bus = data; in nvkm_i2c_bus_setsda() local
57 bus->func->drive_sda(bus, state); in nvkm_i2c_bus_setsda()
63 struct nvkm_i2c_bus *bus = data; in nvkm_i2c_bus_getscl() local
[all …]
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| /kernel/linux/linux-5.10/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/ |
| D | bit.c | 24 #include "bus.h"
32 nvkm_i2c_drive_scl(struct nvkm_i2c_bus *bus, int state) in nvkm_i2c_drive_scl() argument
34 bus->func->drive_scl(bus, state); in nvkm_i2c_drive_scl()
38 nvkm_i2c_drive_sda(struct nvkm_i2c_bus *bus, int state) in nvkm_i2c_drive_sda() argument
40 bus->func->drive_sda(bus, state); in nvkm_i2c_drive_sda()
44 nvkm_i2c_sense_scl(struct nvkm_i2c_bus *bus) in nvkm_i2c_sense_scl() argument
46 return bus->func->sense_scl(bus); in nvkm_i2c_sense_scl()
50 nvkm_i2c_sense_sda(struct nvkm_i2c_bus *bus) in nvkm_i2c_sense_sda() argument
52 return bus->func->sense_sda(bus); in nvkm_i2c_sense_sda()
56 nvkm_i2c_delay(struct nvkm_i2c_bus *bus, u32 nsec) in nvkm_i2c_delay() argument
[all …]
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| D | bus.c | 24 #include "bus.h"
35 struct nvkm_i2c_bus *bus = container_of(adap, typeof(*bus), i2c); in nvkm_i2c_bus_pre_xfer() local
36 return nvkm_i2c_bus_acquire(bus); in nvkm_i2c_bus_pre_xfer()
42 struct nvkm_i2c_bus *bus = container_of(adap, typeof(*bus), i2c); in nvkm_i2c_bus_post_xfer() local
43 return nvkm_i2c_bus_release(bus); in nvkm_i2c_bus_post_xfer()
49 struct nvkm_i2c_bus *bus = data; in nvkm_i2c_bus_setscl() local
50 bus->func->drive_scl(bus, state); in nvkm_i2c_bus_setscl()
56 struct nvkm_i2c_bus *bus = data; in nvkm_i2c_bus_setsda() local
57 bus->func->drive_sda(bus, state); in nvkm_i2c_bus_setsda()
63 struct nvkm_i2c_bus *bus = data; in nvkm_i2c_bus_getscl() local
[all …]
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| /kernel/linux/linux-5.10/drivers/net/wireless/broadcom/brcm80211/brcmfmac/ |
| D | sdio.c | 112 #include "bus.h"
149 * sdio bus power cycle to clear (rev 9) */
224 #define I_BUSPWR (1 << 17) /* SDIO Bus Power Change (rev 9) */
391 /* dongle SDIO bus specific header info */
438 /* Private data for SDIO bus interaction */
478 u8 sdpcm_ver; /* Bus protocol reported by dongle */
496 s32 idleclock; /* How to set bus driver when idle */
506 spinlock_t txq_lock; /* protect bus->txq */
525 u8 tx_hdrlen; /* sdio bus header length for tx packet */
665 static bool data_ok(struct brcmf_sdio *bus) in data_ok() argument
[all …]
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| /kernel/linux/linux-4.19/drivers/ssb/ |
| D | driver_gpio.c | 28 struct ssb_bus *bus = gpiochip_get_data(chip); in ssb_gpio_to_irq() local
30 if (bus->bustype == SSB_BUSTYPE_SSB) in ssb_gpio_to_irq()
31 return irq_find_mapping(bus->irq_domain, gpio); in ssb_gpio_to_irq()
43 struct ssb_bus *bus = gpiochip_get_data(chip); in ssb_gpio_chipco_get_value() local
45 return !!ssb_chipco_gpio_in(&bus->chipco, 1 << gpio); in ssb_gpio_chipco_get_value()
51 struct ssb_bus *bus = gpiochip_get_data(chip); in ssb_gpio_chipco_set_value() local
53 ssb_chipco_gpio_out(&bus->chipco, 1 << gpio, value ? 1 << gpio : 0); in ssb_gpio_chipco_set_value()
59 struct ssb_bus *bus = gpiochip_get_data(chip); in ssb_gpio_chipco_direction_input() local
61 ssb_chipco_gpio_outen(&bus->chipco, 1 << gpio, 0); in ssb_gpio_chipco_direction_input()
68 struct ssb_bus *bus = gpiochip_get_data(chip); in ssb_gpio_chipco_direction_output() local
[all …]
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| D | scan.c | 3 * Bus scanning
160 static u32 scan_read32(struct ssb_bus *bus, u8 current_coreidx, in scan_read32() argument
165 switch (bus->bustype) { in scan_read32()
173 ssb_pcmcia_switch_segment(bus, 1); in scan_read32()
176 ssb_pcmcia_switch_segment(bus, 0); in scan_read32()
177 lo = readw(bus->mmio + offset); in scan_read32()
178 hi = readw(bus->mmio + offset + 2); in scan_read32()
182 return ssb_sdio_scan_read32(bus, offset); in scan_read32()
184 return readl(bus->mmio + offset); in scan_read32()
187 static int scan_switchcore(struct ssb_bus *bus, u8 coreidx) in scan_switchcore() argument
[all …]
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| /kernel/linux/linux-5.10/drivers/ssb/ |
| D | driver_gpio.c | 28 struct ssb_bus *bus = gpiochip_get_data(chip); in ssb_gpio_to_irq() local
30 if (bus->bustype == SSB_BUSTYPE_SSB) in ssb_gpio_to_irq()
31 return irq_find_mapping(bus->irq_domain, gpio); in ssb_gpio_to_irq()
43 struct ssb_bus *bus = gpiochip_get_data(chip); in ssb_gpio_chipco_get_value() local
45 return !!ssb_chipco_gpio_in(&bus->chipco, 1 << gpio); in ssb_gpio_chipco_get_value()
51 struct ssb_bus *bus = gpiochip_get_data(chip); in ssb_gpio_chipco_set_value() local
53 ssb_chipco_gpio_out(&bus->chipco, 1 << gpio, value ? 1 << gpio : 0); in ssb_gpio_chipco_set_value()
59 struct ssb_bus *bus = gpiochip_get_data(chip); in ssb_gpio_chipco_direction_input() local
61 ssb_chipco_gpio_outen(&bus->chipco, 1 << gpio, 0); in ssb_gpio_chipco_direction_input()
68 struct ssb_bus *bus = gpiochip_get_data(chip); in ssb_gpio_chipco_direction_output() local
[all …]
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| D | scan.c | 3 * Bus scanning
160 static u32 scan_read32(struct ssb_bus *bus, u8 current_coreidx, in scan_read32() argument
165 switch (bus->bustype) { in scan_read32()
173 ssb_pcmcia_switch_segment(bus, 1); in scan_read32()
176 ssb_pcmcia_switch_segment(bus, 0); in scan_read32()
177 lo = readw(bus->mmio + offset); in scan_read32()
178 hi = readw(bus->mmio + offset + 2); in scan_read32()
182 return ssb_sdio_scan_read32(bus, offset); in scan_read32()
184 return readl(bus->mmio + offset); in scan_read32()
187 static int scan_switchcore(struct ssb_bus *bus, u8 coreidx) in scan_switchcore() argument
[all …]
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| /kernel/linux/linux-4.19/drivers/net/wireless/broadcom/brcm80211/brcmfmac/ |
| D | sdio.c | 106 #include "bus.h"
143 * sdio bus power cycle to clear (rev 9) */
218 #define I_BUSPWR (1 << 17) /* SDIO Bus Power Change (rev 9) */
394 /* dongle SDIO bus specific header info */
441 /* Private data for SDIO bus interaction */
481 u8 sdpcm_ver; /* Bus protocol reported by dongle */
499 s32 idleclock; /* How to set bus driver when idle */
509 spinlock_t txq_lock; /* protect bus->txq */
528 u8 tx_hdrlen; /* sdio bus header length for tx packet */
660 static bool data_ok(struct brcmf_sdio *bus) in data_ok() argument
[all …]
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| /kernel/linux/linux-4.19/drivers/net/phy/ |
| D | mdio_bus.c | 1 /* MDIO Bus interface
78 if (mdiodev->bus->mdio_map[mdiodev->addr]) in mdiobus_register_device()
87 mdiodev->bus->mdio_map[mdiodev->addr] = mdiodev; in mdiobus_register_device()
95 if (mdiodev->bus->mdio_map[mdiodev->addr] != mdiodev) in mdiobus_unregister_device()
98 mdiodev->bus->mdio_map[mdiodev->addr] = NULL; in mdiobus_unregister_device()
104 struct phy_device *mdiobus_get_phy(struct mii_bus *bus, int addr) in mdiobus_get_phy() argument
106 struct mdio_device *mdiodev = bus->mdio_map[addr]; in mdiobus_get_phy()
118 bool mdiobus_is_registered_device(struct mii_bus *bus, int addr) in mdiobus_is_registered_device() argument
120 return bus->mdio_map[addr]; in mdiobus_is_registered_device()
127 * If non-zero, then bus->priv is points to that memory.
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| /kernel/linux/linux-4.19/drivers/devfreq/ |
| D | exynos-bus.c | 2 * Generic Exynos Bus frequency driver with DEVFREQ Framework
7 * This driver support Exynos Bus frequency feature by using
47 * Control the devfreq-event device to get the current state of bus
50 static int exynos_bus_##ops(struct exynos_bus *bus) \
54 for (i = 0; i < bus->edev_count; i++) { \
55 if (!bus->edev[i]) \
57 ret = devfreq_event_##ops(bus->edev[i]); \
68 static int exynos_bus_get_event(struct exynos_bus *bus, in exynos_bus_get_event() argument
75 for (i = 0; i < bus->edev_count; i++) { in exynos_bus_get_event()
76 if (!bus->edev[i]) in exynos_bus_get_event()
[all …]
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| /kernel/linux/linux-5.10/Documentation/ABI/testing/ |
| D | sysfs-bus-i3c | 1 What: /sys/bus/i3c/devices/i3c-<bus-id>
5 An I3C bus. This directory will contain one sub-directory per
6 I3C device present on the bus.
8 What: /sys/bus/i3c/devices/i3c-<bus-id>/current_master
12 Expose the master that owns the bus (<bus-id>-<master-pid>) at
13 the time this file is read. Note that bus ownership can change
17 What: /sys/bus/i3c/devices/i3c-<bus-id>/mode
21 I3C bus mode. Can be "pure", "mixed-fast" or "mixed-slow". See
25 What: /sys/bus/i3c/devices/i3c-<bus-id>/i3c_scl_frequency
32 What: /sys/bus/i3c/devices/i3c-<bus-id>/i2c_scl_frequency
[all …]
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| /kernel/linux/linux-4.19/sound/soc/intel/skylake/ |
| D | skl.c | 56 struct hdac_bus *bus = skl_to_bus(skl); in skl_init_pci() local
65 dev_dbg(bus->dev, "Clearing TCSEL\n"); in skl_init_pci()
105 struct hdac_bus *bus = pci_get_drvdata(pci); in skl_clock_power_gating() local
114 snd_hdac_chip_updatel(bus, VS_EM2, AZX_REG_VS_EM2_L1SEN, val); in skl_clock_power_gating()
126 static int skl_init_chip(struct hdac_bus *bus, bool full_reset) in skl_init_chip() argument
131 skl_enable_miscbdcge(bus->dev, false); in skl_init_chip()
132 ret = snd_hdac_bus_init_chip(bus, full_reset); in skl_init_chip()
135 list_for_each_entry(hlink, &bus->hlink_list, list) in skl_init_chip()
136 bus->io_ops->reg_writel(0, hlink->ml_addr + AZX_REG_ML_LOSIDV); in skl_init_chip()
138 skl_enable_miscbdcge(bus->dev, true); in skl_init_chip()
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| /kernel/linux/linux-5.10/drivers/net/phy/ |
| D | sfp-bus.c | 20 * struct sfp_bus - internal representation of a sfp bus
124 * @bus: a pointer to the &struct sfp_bus structure for the sfp module
136 int sfp_parse_port(struct sfp_bus *bus, const struct sfp_eeprom_id *id, in sfp_parse_port() argument
175 dev_warn(bus->sfp_dev, "SFP: unknown connector id 0x%02x\n", in sfp_parse_port()
199 * @bus: a pointer to the &struct sfp_bus structure for the sfp module
205 bool sfp_may_have_phy(struct sfp_bus *bus, const struct sfp_eeprom_id *id) in sfp_may_have_phy() argument
226 * @bus: a pointer to the &struct sfp_bus structure for the sfp module
233 void sfp_parse_support(struct sfp_bus *bus, const struct sfp_eeprom_id *id, in sfp_parse_support() argument
335 dev_warn(bus->sfp_dev, in sfp_parse_support()
362 if (bus->sfp_quirk) in sfp_parse_support()
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| /kernel/linux/linux-5.10/sound/soc/intel/skylake/ |
| D | skl.c | 58 struct hdac_bus *bus = skl_to_bus(skl); in skl_init_pci() local
67 dev_dbg(bus->dev, "Clearing TCSEL\n"); in skl_init_pci()
107 struct hdac_bus *bus = pci_get_drvdata(pci); in skl_clock_power_gating() local
116 snd_hdac_chip_updatel(bus, VS_EM2, AZX_REG_VS_EM2_L1SEN, val); in skl_clock_power_gating()
128 static int skl_init_chip(struct hdac_bus *bus, bool full_reset) in skl_init_chip() argument
133 snd_hdac_set_codec_wakeup(bus, true); in skl_init_chip()
134 skl_enable_miscbdcge(bus->dev, false); in skl_init_chip()
135 ret = snd_hdac_bus_init_chip(bus, full_reset); in skl_init_chip()
138 list_for_each_entry(hlink, &bus->hlink_list, list) in skl_init_chip()
141 skl_enable_miscbdcge(bus->dev, true); in skl_init_chip()
[all …]
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