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/linux/drivers/spmi/
H A Dspmi.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2012-2015, The Linux Foundation. All rights reserved.
16 #include <dt-bindings/spmi/spmi.h>
36 struct spmi_controller *ctrl = to_spmi_controller(dev); in spmi_ctrl_release() local
38 ida_free(&ctrl_ida, ctrl->nr); in spmi_ctrl_release()
39 kfree(ctrl); in spmi_ctrl_release()
51 if (drv->name) in spmi_device_match()
52 return strncmp(dev_name(dev), drv->name, in spmi_device_match()
59 * spmi_device_add() - add a device previously constructed via spmi_device_alloc()
64 struct spmi_controller *ctrl = sdev->ctrl; in spmi_device_add() local
[all …]
H A Dspmi-apple-controller.c1 // SPDX-License-Identifier: GPL-2.0
10 * hisi-spmi-controller.c
11 * spmi-pmic-arb.c Copyright (c) 2021, The Linux Foundation.
35 readl_poll_timeout((spmi)->regs + (reg), (val), (cond), \
38 static inline u32 apple_spmi_pack_cmd(u8 opc, u8 sid, u16 saddr, size_t len) in apple_spmi_pack_cmd() argument
40 return opc | sid << 8 | saddr << 16 | (len - 1) | (1 << 15); in apple_spmi_pack_cmd()
44 static int apple_spmi_wait_rx_not_empty(struct spmi_controller *ctrl) in apple_spmi_wait_rx_not_empty() argument
46 struct apple_spmi *spmi = spmi_controller_get_drvdata(ctrl); in apple_spmi_wait_rx_not_empty()
52 dev_err(&ctrl->dev, in apple_spmi_wait_rx_not_empty()
60 static int spmi_read_cmd(struct spmi_controller *ctrl, u8 opc, u8 sid, in spmi_read_cmd() argument
[all …]
/linux/drivers/nvme/host/
H A Dtcp.c1 // SPDX-License-Identifier: GPL-2.0
12 #include <linux/nvme-tcp.h>
13 #include <linux/nvme-keyring.h>
19 #include <linux/blk-mq.h>
31 * A non-zero value being sufficient to indicate general consideration of any
45 MODULE_PARM_DESC(wq_unbound, "Use unbound workqueue for nvme-tcp IO context (default false)");
129 struct nvme_tcp_ctrl *ctrl; member
168 struct nvme_ctrl ctrl; member
183 * sk_lock -> mmap_lock (page fault) -> fs locks -> sk_lock
184 * because dependencies are tracked for both nvme-tcp and user contexts. Using
[all …]
H A Dfabrics.c1 // SPDX-License-Identifier: GPL-2.0
4 * Copyright (c) 2015-2016 HGST, a Western Digital Company.
15 #include <linux/nvme-keyring.h>
33 kref_init(&host->ref); in nvmf_host_alloc()
34 uuid_copy(&host->id, id); in nvmf_host_alloc()
35 strscpy(host->nqn, hostnqn, NVMF_NQN_SIZE); in nvmf_host_alloc()
53 bool same_hostnqn = !strcmp(host->nqn, hostnqn); in nvmf_host_add()
54 bool same_hostid = uuid_equal(&host->id, id); in nvmf_host_add()
57 kref_get(&host->ref); in nvmf_host_add()
63 host = ERR_PTR(-EINVAL); in nvmf_host_add()
[all …]
/linux/arch/arm64/kernel/
H A Dhw_breakpoint.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * HW_breakpoint: a unified kernel/user-space hardware breakpoint facility,
10 #define pr_fmt(fmt) "hw-breakpoint: " fmt
23 #include <asm/debug-monitors.h>
37 /* Currently stepping a per-CPU kernel breakpoint. */
151 return -EINVAL; in debug_exception_level()
164 struct task_struct *tsk = bp->hw.target; in is_compat_bp()
167 * tsk can be NULL for per-cpu (non-ptrace) breakpoints. in is_compat_bp()
177 * hw_breakpoint_slot_setup - Find and setup a perf slot according to
187 * -ENOSPC if no slot is available/matches
[all …]
/linux/drivers/scsi/arm/
H A Dcumana_1.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright 1995-2002, Russell King
17 #define priv(host) ((struct NCR5380_hostdata *)(host)->hostdata)
31 unsigned ctrl
39 #define CTRL 0x16fc macro
45 unsigned char *addr, int len) in cumanascsi_pwrite() argument
48 u8 __iomem *base = hostdata->io; in cumanascsi_pwrite()
49 u8 __iomem *dma = hostdata->pdma_io + 0x2000; in cumanascsi_pwrite()
51 if(!len) return 0; in cumanascsi_pwrite()
53 writeb(0x02, base + CTRL); in cumanascsi_pwrite()
[all …]
/linux/sound/soc/codecs/
H A Dsigmadsp.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright 2009-2014 Analog Devices Inc.
91 __le16 len;
97 const uint8_t data[], size_t len) in sigmadsp_write()
99 return sigmadsp->write(sigmadsp->control_dat in sigmadsp_write()
90 __le16 len; global() member
96 sigmadsp_write(struct sigmadsp * sigmadsp,unsigned int addr,const uint8_t data[],size_t len) sigmadsp_write() argument
102 sigmadsp_read(struct sigmadsp * sigmadsp,unsigned int addr,uint8_t data[],size_t len) sigmadsp_read() argument
110 struct sigmadsp_control *ctrl = (void *)kcontrol->private_value; sigmadsp_ctrl_info() local
119 sigmadsp_ctrl_write(struct sigmadsp * sigmadsp,struct sigmadsp_control * ctrl,void * data) sigmadsp_ctrl_write() argument
133 struct sigmadsp_control *ctrl = (void *)kcontrol->private_value; sigmadsp_ctrl_put() local
159 struct sigmadsp_control *ctrl = (void *)kcontrol->private_value; sigmadsp_ctrl_get() local
184 struct sigmadsp_control *ctrl = (void *)kcontrol->private_value; sigmadsp_control_free() local
189 sigma_fw_validate_control_name(const char * name,unsigned int len) sigma_fw_validate_control_name() argument
206 struct sigmadsp_control *ctrl; sigma_fw_load_control() local
403 size_t len = sigma_action_len(sa); process_sigma_action() local
467 struct sigmadsp_control *ctrl, *_ctrl; sigmadsp_firmware_release() local
642 sigmadsp_alloc_control(struct sigmadsp * sigmadsp,struct sigmadsp_control * ctrl,unsigned int samplerate_mask) sigmadsp_alloc_control() argument
669 sigmadsp_activate_ctrl(struct sigmadsp * sigmadsp,struct sigmadsp_control * ctrl,unsigned int samplerate_mask) sigmadsp_activate_ctrl() argument
701 struct sigmadsp_control *ctrl; sigmadsp_attach() local
733 struct sigmadsp_control *ctrl; sigmadsp_setup() local
777 struct sigmadsp_control *ctrl; sigmadsp_reset() local
[all...]
/linux/drivers/nvme/target/
H A Dauth.c1 // SPDX-License-Identifier: GPL-2.0
3 * NVMe over Fabrics DH-HMAC-CHAP authentication.
16 #include <linux/nvme-auth.h>
17 #include <linux/nvme-keyring.h>
30 kfree(host->dhchap_ctrl_secret); in nvmet_auth_set_key()
31 host->dhchap_ctrl_secret = NULL; in nvmet_auth_set_key()
32 host->dhchap_ctrl_key_hash = 0; in nvmet_auth_set_key()
34 kfree(host->dhchap_secret); in nvmet_auth_set_key()
35 host->dhchap_secret = NULL; in nvmet_auth_set_key()
36 host->dhchap_key_hash = 0; in nvmet_auth_set_key()
[all …]
H A Dadmin-cmd.c1 // SPDX-License-Identifier: GPL-2.0
4 * Copyright (c) 2015-2016 HGST, a Western Digital Company.
17 struct nvmet_ctrl *ctrl = req->sq->ctrl; in nvmet_execute_delete_sq() local
18 u16 sqid = le16_to_cpu(req->cmd->delete_queue.qid); in nvmet_execute_delete_sq()
21 if (!nvmet_is_pci_ctrl(ctrl)) { in nvmet_execute_delete_sq()
31 status = nvmet_check_sqid(ctrl, sqid, false); in nvmet_execute_delete_sq()
35 status = ctrl->ops->delete_sq(ctrl, sqid); in nvmet_execute_delete_sq()
43 struct nvmet_ctrl *ctrl = req->sq->ctrl; in nvmet_execute_create_sq() local
44 struct nvme_command *cmd = req->cmd; in nvmet_execute_create_sq()
45 u16 sqid = le16_to_cpu(cmd->create_sq.sqid); in nvmet_execute_create_sq()
[all …]
/linux/drivers/spi/
H A Dspi-sc18is602.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright (C) Guenter Roeck <linux@roeck-us.net>
36 u8 ctrl; member
50 static int sc18is602_wait_ready(struct sc18is602 *hw, int len) in sc18is602_wait_ready() argument
53 int usecs = 1000000 * len / hw->speed + 1; in sc18is602_wait_ready()
57 err = i2c_master_recv(hw->client, dummy, 1); in sc18is602_wait_ready()
62 return -ETIMEDOUT; in sc18is602_wait_ready()
68 unsigned int len = t->len; in sc18is602_txrx() local
71 if (hw->tlen == 0) { in sc18is602_txrx()
73 hw->buffer[0] = 1 << spi_get_chipselect(msg->spi, 0); in sc18is602_txrx()
[all …]
H A Dspi-ch341.c1 // SPDX-License-Identifier: GPL-2.0
3 // QiHeng Electronics ch341a USB-to-SPI adapter driver
31 struct spi_controller *ctrl; member
45 spi_controller_get_devdata(spi->controller); in ch341_set_cs()
48 memset(ch341->tx_buf, 0, CH341_PACKET_LENGTH); in ch341_set_cs()
49 ch341->tx_buf[0] = CH341A_CMD_UIO_STREAM; in ch341_set_cs()
50 ch341->tx_buf[1] = CH341A_CMD_UIO_STM_OUT | (is_high ? 0x36 : 0x37); in ch341_set_cs()
53 ch341->tx_buf[2] = CH341A_CMD_UIO_STM_DIR | 0x3f; in ch341_set_cs()
54 ch341->tx_buf[3] = CH341A_CMD_UIO_STM_END; in ch341_set_cs()
56 ch341->tx_buf[2] = CH341A_CMD_UIO_STM_END; in ch341_set_cs()
[all …]
/linux/drivers/media/pci/cx25821/
H A Dcx25821-i2c.c1 // SPDX-License-Identifier: GPL-2.0-or-later
27 printk(KERN_DEBUG "%s/0: " fmt, dev->name, ##arg); \
38 struct cx25821_i2c *bus = i2c_adap->algo_data; in i2c_slave_did_ack()
39 struct cx25821_dev *dev = bus->dev; in i2c_slave_did_ack()
40 return cx_read(bus->reg_stat) & 0x01; in i2c_slave_did_ack()
45 struct cx25821_i2c *bus = i2c_adap->algo_data; in i2c_is_busy()
46 struct cx25821_dev *dev = bus->dev; in i2c_is_busy()
47 return cx_read(bus->reg_stat) & 0x02 ? 1 : 0; in i2c_is_busy()
69 struct cx25821_i2c *bus = i2c_adap->algo_data; in i2c_sendbytes()
70 struct cx25821_dev *dev = bus->dev; in i2c_sendbytes()
[all …]
/linux/drivers/media/pci/cx23885/
H A Dcx23885-i2c.c1 // SPDX-License-Identifier: GPL-2.0-or-later
15 #include <media/v4l2-common.h>
39 struct cx23885_i2c *bus = i2c_adap->algo_data; in i2c_slave_did_ack()
40 struct cx23885_dev *dev = bus->dev; in i2c_slave_did_ack()
41 return cx_read(bus->reg_stat) & 0x01; in i2c_slave_did_ack()
46 struct cx23885_i2c *bus = i2c_adap->algo_data; in i2c_is_busy()
47 struct cx23885_dev *dev = bus->dev; in i2c_is_busy()
48 return cx_read(bus->reg_stat) & 0x02 ? 1 : 0; in i2c_is_busy()
70 struct cx23885_i2c *bus = i2c_adap->algo_data; in i2c_sendbytes()
71 struct cx23885_dev *dev = bus->dev; in i2c_sendbytes()
[all …]
/linux/drivers/scsi/be2iscsi/
H A Dbe_mgmt.c16 * OR NON-INFRINGEMENT, ARE DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH
22 * linux-drivers@broadcom.com
26 #include <linux/bsg-lib.h>
33 unsigned int mgmt_vendor_specific_fw_cmd(struct be_ctrl_info *ctrl, in mgmt_vendor_specific_fw_cmd() argument
41 struct iscsi_bsg_request *bsg_req = job->request; in mgmt_vendor_specific_fw_cmd()
42 struct be_bsg_vendor_cmd *req = nonemb_cmd->va; in mgmt_vendor_specific_fw_cmd()
45 nonemb_cmd->size = job->request_payload.payload_len; in mgmt_vendor_specific_fw_cmd()
46 memset(nonemb_cmd->va, 0, nonemb_cmd->size); in mgmt_vendor_specific_fw_cmd()
47 region = bsg_req->rqst_data.h_vendor.vendor_cmd[1]; in mgmt_vendor_specific_fw_cmd()
48 sector_size = bsg_req->rqst_data.h_vendor.vendor_cmd[2]; in mgmt_vendor_specific_fw_cmd()
[all …]
/linux/arch/arm/kernel/
H A Dhw_breakpoint.c1 // SPDX-License-Identifier: GPL-2.0-only
10 * HW_breakpoint: a unified kernel/user-space hardware breakpoint facility,
13 #define pr_fmt(fmt) "hw-breakpoint: " fmt
151 /* We don't support the memory-mapped interface. */ in debug_arch_supported()
216 return core_has_mismatch_brps() ? brps - 1 : brps; in get_num_brps()
257 return -ENODEV; in enable_monitor_mode()
265 return -EPERM; in enable_monitor_mode()
293 * Check if 8-bit byte-address select is available.
299 struct arch_hw_breakpoint_ctrl ctrl; in get_max_wp_len() local
305 memset(&ctrl, 0, sizeof(ctrl)); in get_max_wp_len()
[all …]
/linux/drivers/pci/hotplug/
H A Dshpchp_sysfs.c1 // SPDX-License-Identifier: GPL-2.0+
6 * Copyright (c) 2001,2003 Greg Kroah-Hartman (greg@kroah.com)
29 size_t len = 0; in show_ctrl() local
33 bus = pdev->subordinate; in show_ctrl()
35 len += sysfs_emit_at(buf, len, "Free resources: memory\n"); in show_ctrl()
37 if (res && (res->flags & IORESOURCE_MEM) && in show_ctrl()
38 !(res->flags & IORESOURCE_PREFETCH)) { in show_ctrl()
39 len += sysfs_emit_at(buf, len, in show_ctrl()
41 (unsigned long long)res->start, in show_ctrl()
45 len += sysfs_emit_at(buf, len, "Free resources: prefetchable memory\n"); in show_ctrl()
[all …]
/linux/drivers/hid/surface-hid/
H A Dsurface_kbd.c1 // SPDX-License-Identifier: GPL-2.0+
7 * Copyright (C) 2019-2021 Maximilian Luz <luzmaximilian@gmail.com>
22 /* -- SAM interface (KBD). -------------------------------------------------- */
34 static int ssam_kbd_get_descriptor(struct surface_hid_device *shid, u8 entry, u8 *buf, size_t len) in ssam_kbd_get_descriptor() argument
40 rqst.target_category = shid->uid.category; in ssam_kbd_get_descriptor()
41 rqst.target_id = shid->uid.target; in ssam_kbd_get_descriptor()
43 rqst.instance_id = shid->uid.instance; in ssam_kbd_get_descriptor()
48 rsp.capacity = len; in ssam_kbd_get_descriptor()
52 status = ssam_retry(ssam_request_do_sync_onstack, shid->ctrl, &rqst, &rsp, sizeof(entry)); in ssam_kbd_get_descriptor()
56 if (rsp.length != len) { in ssam_kbd_get_descriptor()
[all …]
/linux/drivers/mtd/nand/raw/
H A Dfsl_ifc_nand.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright 2011-2012 Freescale Semiconductor, Inc
33 struct fsl_ifc_ctrl *ctrl; member
52 unsigned int eccread; /* Non zero for a full-page ECC read */
68 .offs = 2, /* 0 on 8-bit small page */
69 .len = 4,
78 .offs = 2, /* 0 on 8-bit small page */
79 .len = 4,
91 return -ERANGE; in fsl_ifc_ooblayout_ecc()
93 oobregion->offset = 8; in fsl_ifc_ooblayout_ecc()
[all …]
/linux/drivers/net/ethernet/freescale/fs_enet/
H A Dmii-bitbang.c1 // SPDX-License-Identifier: GPL-2.0-only
20 #include <linux/mdio-bitbang.h>
28 struct mdiobb_ctrl ctrl; member
55 static inline void mdio_dir(struct mdiobb_ctrl *ctrl, int dir) in mdio_dir() argument
57 struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); in mdio_dir()
60 bb_set(bitbang->dir, bitbang->mdio_msk); in mdio_dir()
62 bb_clr(bitbang->dir, bitbang->mdio_msk); in mdio_dir()
65 in_be32(bitbang->dir); in mdio_dir()
68 static inline int mdio_read(struct mdiobb_ctrl *ctrl) in mdio_read() argument
70 struct bb_info *bitbang = container_of(ctrl, struct bb_info, ctrl); in mdio_read()
[all …]
/linux/drivers/rtc/
H A Drtc-pcf8583.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * drivers/rtc/rtc-pcf8583.c
29 unsigned char ctrl; member
43 #define get_ctrl(x) ((struct pcf8583 *)i2c_get_clientdata(x))->ctrl
54 .addr = client->addr, in pcf8583_get_datetime()
56 .len = 1, in pcf8583_get_datetime()
59 .addr = client->addr, in pcf8583_get_datetime()
61 .len = 6, in pcf8583_get_datetime()
69 ret = i2c_transfer(client->adapter, msgs, 2); in pcf8583_get_datetime()
71 dt->tm_year = buf[4] >> 6; in pcf8583_get_datetime()
[all …]
/linux/drivers/i2c/busses/
H A Di2c-microchip-corei2c.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (c) 2018-2022 Microchip Corporation. All rights reserved.
93 * struct mchp_corei2c_dev - Microchip CoreI2C device private data
131 u8 ctrl = readb(idev->base + CORE_I2C_CTRL); in mchp_corei2c_core_disable() local
133 ctrl &= ~CTRL_ENS1; in mchp_corei2c_core_disable()
134 writeb(ctrl, idev->base + CORE_I2C_CTRL); in mchp_corei2c_core_disable()
139 u8 ctrl = readb(idev->base + CORE_I2C_CTRL); in mchp_corei2c_core_enable() local
141 ctrl |= CTRL_ENS1; in mchp_corei2c_core_enable()
142 writeb(ctrl, idev->base + CORE_I2C_CTRL); in mchp_corei2c_core_enable()
153 u8 ctrl = readb(idev->base + CORE_I2C_CTRL); in mchp_corei2c_stop() local
[all …]
/linux/drivers/dma/
H A Dmoxart-dma.c1 // SPDX-License-Identifier: GPL-2.0-only
11 #include <linux/dma-mapping.h>
28 #include "virt-dma.h"
63 * 101: -1 (Burst=0), -4 (Burst=1)
64 * 110: -2 (Burst=0), -8 (Burst=1)
65 * 111: -4 (Burst=0), -16 (Burst=1)
86 * e.g. MMC must always request channels where dma_slave_config->slave_id is 5.
89 * 1-15: Request / Grant signal
117 uint32_t len; member
159 return &chan->dev->device; in chan2dev()
[all …]
/linux/drivers/tty/hvc/
H A Dhvsi_lib.c1 // SPDX-License-Identifier: GPL-2.0
12 packet->seqno = cpu_to_be16(atomic_inc_return(&pv->seqno)); in hvsi_send_packet()
15 return pv->put_chars(pv->termno, (u8 *)packet, packet->len); in hvsi_send_packet()
23 pv->established = 0; in hvsi_start_handshake()
24 atomic_set(&pv->seqno, 0); in hvsi_start_handshake()
26 pr_devel("HVSI@%x: Handshaking started\n", pv->termno); in hvsi_start_handshake()
30 q.hdr.len = sizeof(struct hvsi_query); in hvsi_start_handshake()
37 struct hvsi_control ctrl; in hvsi_send_close() local
39 pv->established = 0; in hvsi_send_close()
41 ctrl.hdr.type = VS_CONTROL_PACKET_HEADER; in hvsi_send_close()
[all …]
/linux/drivers/media/dvb-frontends/
H A Dbcm3510.c4 * Copyright (C) 2001-5, B2C2 inc.
8 * This driver is "hard-coded" to be used with the 1st generation of
9 * Technisat/B2C2's Air2PC ATSC PCI/USB cards/boxes. The pll-programming
13 * The driver works also with QAM64 DVB-C, but had an unreasonable high
17 * called "dvb-fe-bcm3510-01.fw".
68 MODULE_PARM_DESC(debug, "set debugging level (1=info,2=i2c (|-able)).");
81 static int bcm3510_writebytes (struct bcm3510_state *state, u8 reg, u8 *buf, u8 len) in bcm3510_writebytes() argument
85 …struct i2c_msg msg = { .addr = state->config->demod_address, .flags = 0, .buf = b, .len = len + 1 … in bcm3510_writebytes()
88 memcpy(&b[1],buf,len); in bcm3510_writebytes()
91 dbufout(buf,len,deb_i2c); in bcm3510_writebytes()
[all …]
/linux/arch/arm/include/asm/
H A Dhw_breakpoint.h1 /* SPDX-License-Identifier: GPL-2.0 */
15 len : 8,
25 struct arch_hw_breakpoint_ctrl ctrl; member
28 static inline u32 encode_ctrl_reg(struct arch_hw_breakpoint_ctrl ctrl) in encode_ctrl_reg() argument
30 return (ctrl.mismatch << 22) | (ctrl.len << 5) | (ctrl.type << 3) | in encode_ctrl_reg()
31 (ctrl.privilege << 1) | ctrl.enabled; in encode_ctrl_reg()
35 struct arch_hw_breakpoint_ctrl *ctrl) in decode_ctrl_reg() argument
37 ctrl->enabled = reg & 0x1; in decode_ctrl_reg()
39 ctrl->privilege = reg & 0x3; in decode_ctrl_reg()
41 ctrl->type = reg & 0x3; in decode_ctrl_reg()
[all …]

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