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/linux/drivers/fsi/
H A Dfsi-master-ast-cf.c4 * A FSI master based on Aspeed ColdFire coprocessor
25 #include "fsi-master.h"
88 struct fsi_master master; member
120 #define to_fsi_master_acf(m) container_of(m, struct fsi_master_acf, master)
159 static bool check_same_address(struct fsi_master_acf *master, int id, in check_same_address() argument
163 return master->last_addr == (((id & 0x3) << 21) | (addr & ~0x3)); in check_same_address()
166 static bool check_relative_address(struct fsi_master_acf *master, int id, in check_relative_address() argument
169 uint32_t last_addr = master->last_addr; in check_relative_address()
196 static void last_address_update(struct fsi_master_acf *master, in last_address_update() argument
200 master->last_addr = LAST_ADDR_INVALID; in last_address_update()
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H A Dfsi-master-gpio.c3 * A FSI master controller, using a simple GPIO bit-banging interface
18 #include "fsi-master.h"
24 struct fsi_master master; member
42 #define to_fsi_master_gpio(m) container_of(m, struct fsi_master_gpio, master)
49 static void clock_toggle(struct fsi_master_gpio *master, int count) in clock_toggle() argument
54 if (!master->no_delays) in clock_toggle()
56 gpiod_set_value(master->gpio_clk, 0); in clock_toggle()
57 if (!master->no_delays) in clock_toggle()
59 gpiod_set_value(master->gpio_clk, 1); in clock_toggle()
63 static int sda_clock_in(struct fsi_master_gpio *master) in sda_clock_in() argument
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H A Dfsi-core.c27 #include "fsi-master.h"
97 static int fsi_master_read(struct fsi_master *master, int link,
99 static int fsi_master_write(struct fsi_master *master, int link,
101 static int fsi_master_break(struct fsi_master *master, int link);
197 struct fsi_master *master = slave->master; in fsi_slave_report_and_clear_errors() local
205 rc = fsi_master_read(master, link, id, FSI_SLAVE_BASE + FSI_SISC, in fsi_slave_report_and_clear_errors()
210 rc = fsi_master_read(master, link, id, FSI_SLAVE_BASE + FSI_SSTAT, in fsi_slave_report_and_clear_errors()
219 return fsi_master_write(master, link, id, FSI_SLAVE_BASE + FSI_SISC, in fsi_slave_report_and_clear_errors()
266 return fsi_master_write(slave->master, slave->link, slave->id, in fsi_slave_set_smode()
274 struct fsi_master *master = slave->master; in fsi_slave_handle_error() local
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H A Dfsi-master-hub.c3 * FSI hub master driver
14 #include "fsi-master.h"
21 * FSI hub master support
23 * A hub master increases the number of potential target devices that the
24 * primary FSI master can access. For each link a primary master supports,
25 * each of those links can in turn be chained to a hub master with multiple
37 struct fsi_master master; member
40 /* master address space */
43 #define to_fsi_master_hub(m) container_of(m, struct fsi_master_hub, master)
45 static int hub_master_read(struct fsi_master *master, int link, in hub_master_read() argument
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/linux/drivers/i3c/master/
H A Ddw-i3c-master.c13 #include <linux/i3c/master.h>
26 #include "dw-i3c-master.h"
292 to_dw_i3c_master(struct i3c_master_controller *master) in to_dw_i3c_master() argument
294 return container_of(master, struct dw_i3c_master, base); in to_dw_i3c_master()
297 static void dw_i3c_master_disable(struct dw_i3c_master *master) in dw_i3c_master_disable() argument
299 writel(readl(master->regs + DEVICE_CTRL) & ~DEV_CTRL_ENABLE, in dw_i3c_master_disable()
300 master->regs + DEVICE_CTRL); in dw_i3c_master_disable()
303 static void dw_i3c_master_enable(struct dw_i3c_master *master) in dw_i3c_master_enable() argument
307 dev_ctrl = readl(master->regs + DEVICE_CTRL); in dw_i3c_master_enable()
310 if (master->i2c_slv_prsnt) in dw_i3c_master_enable()
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H A Dsvc-i3c-master.c3 * Silvaco dual-role I3C master driver
14 #include <linux/i3c/master.h>
24 /* Master Mode Registers */
162 * struct svc_i3c_master - Silvaco I3C Master structure
163 * @base: I3C master controller
185 * @lock: Transfer lock, protect between IBI work thread and callbacks from master
223 * @index: Index in the master tables corresponding to this device
224 * @ibi: IBI slot index in the master structure
233 static inline bool is_events_enabled(struct svc_i3c_master *master, u32 mask) in is_events_enabled() argument
235 return !!(master->enabled_events & mask); in is_events_enabled()
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H A Di3c-master-cdns.c12 #include <linux/i3c/master.h>
422 to_cdns_i3c_master(struct i3c_master_controller *master) in to_cdns_i3c_master() argument
424 return container_of(master, struct cdns_i3c_master, base); in to_cdns_i3c_master()
427 static void cdns_i3c_master_wr_to_tx_fifo(struct cdns_i3c_master *master, in cdns_i3c_master_wr_to_tx_fifo() argument
430 writesl(master->regs + TX_FIFO, bytes, nbytes / 4); in cdns_i3c_master_wr_to_tx_fifo()
435 writesl(master->regs + TX_FIFO, &tmp, 1); in cdns_i3c_master_wr_to_tx_fifo()
439 static void cdns_i3c_master_rd_from_rx_fifo(struct cdns_i3c_master *master, in cdns_i3c_master_rd_from_rx_fifo() argument
442 readsl(master->regs + RX_FIFO, bytes, nbytes / 4); in cdns_i3c_master_rd_from_rx_fifo()
446 readsl(master->regs + RX_FIFO, &tmp, 1); in cdns_i3c_master_rd_from_rx_fifo()
492 static int cdns_i3c_master_disable(struct cdns_i3c_master *master) in cdns_i3c_master_disable() argument
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/linux/drivers/clk/at91/
H A Dclk-master.c46 static inline bool clk_master_ready(struct clk_master *master) in clk_master_ready() argument
48 unsigned int bit = master->id ? AT91_PMC_MCKXRDY : AT91_PMC_MCKRDY; in clk_master_ready()
51 regmap_read(master->regmap, AT91_PMC_SR, &status); in clk_master_ready()
58 struct clk_master *master = to_clk_master(hw); in clk_master_prepare() local
61 spin_lock_irqsave(master->lock, flags); in clk_master_prepare()
63 while (!clk_master_ready(master)) in clk_master_prepare()
66 spin_unlock_irqrestore(master->lock, flags); in clk_master_prepare()
73 struct clk_master *master = to_clk_master(hw); in clk_master_is_prepared() local
77 spin_lock_irqsave(master->lock, flags); in clk_master_is_prepared()
78 status = clk_master_ready(master); in clk_master_is_prepared()
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/linux/drivers/gpu/drm/
H A Ddrm_auth.c42 * DOC: master and authentication
46 * least once successfully became the device master (either through the
48 * no one else is the current master that time) there exists one &drm_master.
52 * In addition only one &drm_master can be the current master for a &drm_device.
57 * Clients can authenticate against the current master (if it matches their own)
68 return fpriv->is_master && drm_lease_owner(fpriv->master) == fpriv->minor->dev->master; in drm_is_current_master_locked()
72 * drm_is_current_master - checks whether @priv is the current master
75 * Checks whether @fpriv is current master on its device. This decides whether a
79 * - the current master is assumed to own the non-shareable display hardware.
100 ret = idr_alloc(&file_priv->master->magic_map, file_priv, in drm_getmagic()
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H A Ddrm_lease.c21 * DRM leases provide information about whether a DRM master may control a DRM
25 * The original DRM master of a device 'owns' the available drm resources. It
27 * to the new DRM master. This gives the new DRM master control over the
28 * leased resources until the owner revokes the lease, or the new DRM master
62 * through the SETMASTER or DROPMASTER IOCTL, so &drm_device.master points to
74 struct drm_master *drm_lease_owner(struct drm_master *master) in drm_lease_owner() argument
76 while (master->lessor != NULL) in drm_lease_owner()
77 master = master->lessor; in drm_lease_owner()
78 return master; in drm_lease_owner()
82 _drm_find_lessee(struct drm_master *master, int lessee_id) in _drm_find_lessee() argument
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/linux/drivers/i3c/
H A Dmaster.c74 * In other words, transfer requests passed to the I3C master can be submitted
75 * in parallel and I3C master drivers have to use their own locking to make
112 struct i3c_master_controller *master; in dev_to_i3cbus() local
117 master = dev_to_i3cmaster(dev); in dev_to_i3cbus()
119 return &master->bus; in dev_to_i3cbus()
124 struct i3c_master_controller *master; in dev_to_i3cdesc() local
129 master = dev_to_i3cmaster(dev); in dev_to_i3cdesc()
131 return master->this; in dev_to_i3cdesc()
562 static int i3c_set_hotjoin(struct i3c_master_controller *master, bool enable) in i3c_set_hotjoin() argument
566 if (!master || !master->ops) in i3c_set_hotjoin()
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/linux/include/trace/events/
H A Dfsi_master_gpio.h12 TP_PROTO(const struct fsi_master_gpio *master, int bits, uint64_t msg),
13 TP_ARGS(master, bits, msg),
20 __entry->master_idx = master->master.idx;
33 TP_PROTO(const struct fsi_master_gpio *master, int bits, uint64_t msg),
34 TP_ARGS(master, bits, msg),
41 __entry->master_idx = master->master.idx;
54 TP_PROTO(const struct fsi_master_gpio *master, int clocks),
55 TP_ARGS(master, clocks),
61 __entry->master_idx = master->master.idx;
70 TP_PROTO(const struct fsi_master_gpio *master),
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H A Dfsi_master_ast_cf.h11 TP_PROTO(const struct fsi_master_acf *master, uint32_t op),
12 TP_ARGS(master, op),
18 __entry->master_idx = master->master.idx;
27 TP_PROTO(const struct fsi_master_acf *master, const struct fsi_msg *cmd, u8 rbits),
28 TP_ARGS(master, cmd, rbits),
36 __entry->master_idx = master->master.idx;
48 TP_PROTO(const struct fsi_master_acf *master, u8 rtag, u8 rcrc, __be32 rdata, bool crc_ok),
49 TP_ARGS(master, rtag, rcrc, rdata, crc_ok),
58 __entry->master_idx = master->master.idx;
71 TP_PROTO(const struct fsi_master_acf *master, int retries),
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H A Dfsi.h12 TP_PROTO(const struct fsi_master *master, int link, int id,
14 TP_ARGS(master, link, id, addr, size),
23 __entry->master_idx = master->idx;
39 TP_PROTO(const struct fsi_master *master, int link, int id,
41 TP_ARGS(master, link, id, addr, size, data),
51 __entry->master_idx = master->idx;
70 TP_PROTO(const struct fsi_master *master, int link, int id,
73 TP_ARGS(master, link, id, addr, size, write, data, ret),
85 __entry->master_idx = master->idx;
109 TP_PROTO(const struct fsi_master *master, int link),
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/linux/sound/core/
H A Dvmaster.c3 * Virtual master and follower controls
24 * link master - this contains a list of follower controls that are
28 * The master control is so far only mono volume/switch for simplicity.
34 int val; /* the master value */
44 * master control. A follower may have either one or two channels.
49 struct link_master *master; member
108 /* initialize master volume */
109 static int master_init(struct link_master *master) in master_init() argument
113 if (master->info.count) in master_init()
116 list_for_each_entry(follower, &master->followers, list) { in master_init()
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/linux/drivers/base/regmap/
H A Dregmap-w1.c30 mutex_lock(&sl->master->bus_mutex); in w1_reg_a8_v8_read()
32 w1_write_8(sl->master, W1_CMD_READ_DATA); in w1_reg_a8_v8_read()
33 w1_write_8(sl->master, reg); in w1_reg_a8_v8_read()
34 *val = w1_read_8(sl->master); in w1_reg_a8_v8_read()
38 mutex_unlock(&sl->master->bus_mutex); in w1_reg_a8_v8_read()
52 mutex_lock(&sl->master->bus_mutex); in w1_reg_a8_v8_write()
54 w1_write_8(sl->master, W1_CMD_WRITE_DATA); in w1_reg_a8_v8_write()
55 w1_write_8(sl->master, reg); in w1_reg_a8_v8_write()
56 w1_write_8(sl->master, val); in w1_reg_a8_v8_write()
60 mutex_unlock(&sl->master->bus_mutex); in w1_reg_a8_v8_write()
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/linux/drivers/i2c/busses/
H A Di2c-qcom-cci.c112 u16 master; member
134 struct cci_master master[NUM_MASTERS]; member
148 complete(&cci->master[0].irq_complete); in cci_isr()
149 if (cci->master[1].master) in cci_isr()
150 complete(&cci->master[1].irq_complete); in cci_isr()
157 cci->master[0].status = 0; in cci_isr()
158 complete(&cci->master[0].irq_complete); in cci_isr()
165 cci->master[1].status = 0; in cci_isr()
166 complete(&cci->master[1].irq_complete); in cci_isr()
186 cci->master[0].status = -ENXIO; in cci_isr()
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/linux/Documentation/devicetree/bindings/iommu/
H A Diommu.txt2 master(s).
29 IOMMUs can be single-master or multiple-master. Single-master IOMMU devices
30 typically have a fixed association to the master device, whereas multiple-
31 master IOMMU devices can translate accesses from more than one master.
46 - #iommu-cells = <0>: Single master IOMMU devices are not configurable and
48 This may also apply to multiple master IOMMU devices that do not allow the
50 be multi-master yet only expose a single master in a given configuration.
52 - #iommu-cells = <1>: Multiple master IOMMU devices may need to be configured
53 in order to enable translation for a given master. In such cases the single
54 address cell corresponds to the master device's ID. In some cases more than
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/linux/drivers/iommu/arm/arm-smmu-v3/
H A Darm-smmu-v3-sva.c27 struct arm_smmu_master *master = master_domain->master; in arm_smmu_update_s1_domain_cd_entry() local
30 cdptr = arm_smmu_get_cd_ptr(master, master_domain->ssid); in arm_smmu_update_s1_domain_cd_entry()
34 arm_smmu_make_s1_cd(&target_cd, master, smmu_domain); in arm_smmu_update_s1_domain_cd_entry()
35 arm_smmu_write_cd_entry(master, master_domain->ssid, cdptr, in arm_smmu_update_s1_domain_cd_entry()
54 struct arm_smmu_master *master, struct mm_struct *mm, in arm_smmu_make_sva_cd() argument
73 (master->stall_enabled ? CTXDESC_CD_0_S : 0) | in arm_smmu_make_sva_cd()
105 if (!(master->smmu->features & ARM_SMMU_FEAT_STALL_FORCE)) in arm_smmu_make_sva_cd()
173 struct arm_smmu_master *master = master_domain->master; in arm_smmu_mm_release() local
177 cdptr = arm_smmu_get_cd_ptr(master, master_domain->ssid); in arm_smmu_mm_release()
180 arm_smmu_make_sva_cd(&target, master, NULL, in arm_smmu_mm_release()
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/linux/arch/arm/mach-omap2/
H A Domap_hwmod_2xxx_interconnect_data.c25 .master = &omap2xxx_l3_main_hwmod,
32 .master = &omap2xxx_mpu_hwmod,
39 .master = &omap2xxx_dss_core_hwmod,
52 .master = &omap2xxx_l4_core_hwmod,
59 .master = &omap2xxx_l4_core_hwmod,
67 .master = &omap2xxx_l4_core_hwmod,
75 .master = &omap2xxx_l4_core_hwmod,
83 .master = &omap2xxx_l4_core_hwmod,
91 .master = &omap2xxx_l4_core_hwmod,
99 .master = &omap2xxx_l4_core_hwmod,
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/linux/include/linux/i3c/
H A Dmaster.h42 * @master: I3C master that instantiated this device. Will be used to do
44 * @master_priv: master private data assigned to the device. Can be used to
45 * add master specific information
51 struct i3c_master_controller *master; member
110 * Every time an IBI comes in, the I3C master driver should find a free IBI
114 * How IBI slots are allocated is left to the I3C master driver, though, for
135 * rejected by the master
151 * infrastructure. I3C master drivers may have their own internal
174 * assigned a dynamic address by the master. Will be used during
204 * should never be accessed from I3C master controller drivers. Only core
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/linux/Documentation/scsi/
H A Dadvansys.rst21 - ABP-480 - Bus-Master CardBus (16 CDB)
24 - ABP510/5150 - Bus-Master ISA (240 CDB)
25 - ABP5140 - Bus-Master ISA PnP (16 CDB)
26 - ABP5142 - Bus-Master ISA PnP with floppy (16 CDB)
27 - ABP902/3902 - Bus-Master PCI (16 CDB)
28 - ABP3905 - Bus-Master PCI (16 CDB)
29 - ABP915 - Bus-Master PCI (16 CDB)
30 - ABP920 - Bus-Master PCI (16 CDB)
31 - ABP3922 - Bus-Master PCI (16 CDB)
32 - ABP3925 - Bus-Master PCI (16 CDB)
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/linux/drivers/mtd/
H A Dmtdcore.c454 struct mtd_info *master = mtd_get_master(mtd); in mtd_wunit_to_pairing_info() local
455 int npairs = mtd_wunit_per_eb(master) / mtd_pairing_groups(master); in mtd_wunit_to_pairing_info()
460 if (master->pairing && master->pairing->get_info) in mtd_wunit_to_pairing_info()
461 return master->pairing->get_info(master, wunit, info); in mtd_wunit_to_pairing_info()
497 struct mtd_info *master = mtd_get_master(mtd); in mtd_pairing_info_to_wunit() local
498 int ngroups = mtd_pairing_groups(master); in mtd_pairing_info_to_wunit()
499 int npairs = mtd_wunit_per_eb(master) / ngroups; in mtd_pairing_info_to_wunit()
505 if (master->pairing && master->pairing->get_wunit) in mtd_pairing_info_to_wunit()
506 return mtd->pairing->get_wunit(master, info); in mtd_pairing_info_to_wunit()
524 struct mtd_info *master = mtd_get_master(mtd); in mtd_pairing_groups() local
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H A Dmtdpart.c45 struct mtd_info *master = mtd_get_master(parent); in allocate_partition() local
47 master->writesize : master->erasesize; in allocate_partition()
83 * However, it is very useful to have the master node present, in allocate_partition()
84 * so the MTD_PARTITIONED_MASTER option allows that. The master in allocate_partition()
171 child->erasesize = master->erasesize; in allocate_partition()
206 if (master->_block_isbad) { in allocate_partition()
248 struct mtd_info *master = mtd_get_master(parent); in mtd_add_partition() local
275 mutex_lock(&master->master.partitions_lock); in mtd_add_partition()
277 mutex_unlock(&master->master.partitions_lock); in mtd_add_partition()
288 mutex_lock(&master->master.partitions_lock); in mtd_add_partition()
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/linux/drivers/video/backlight/
H A Dadp5520_bl.c18 struct device *master; member
29 struct device *master = data->master; in adp5520_bl_set() local
35 ret |= adp5520_clr_bits(master, ADP5520_BL_CONTROL, in adp5520_bl_set()
37 ret |= adp5520_write(master, ADP5520_DAYLIGHT_MAX, in adp5520_bl_set()
44 ret |= adp5520_write(master, ADP5520_DAYLIGHT_MAX, in adp5520_bl_set()
46 ret |= adp5520_set_bits(master, ADP5520_BL_CONTROL, in adp5520_bl_set()
50 ret |= adp5520_write(master, ADP5520_DAYLIGHT_MAX, brightness); in adp5520_bl_set()
54 ret |= adp5520_set_bits(master, in adp5520_bl_set()
57 ret |= adp5520_clr_bits(master, in adp5520_bl_set()
77 error = adp5520_read(data->master, ADP5520_BL_VALUE, &reg_val); in adp5520_bl_get_brightness()
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