diff options
Diffstat (limited to 'drivers/staging')
-rw-r--r-- | drivers/staging/comedi/drivers/serial2002.c | 4 | ||||
-rw-r--r-- | drivers/staging/comedi/proc.c | 18 | ||||
-rw-r--r-- | drivers/staging/fwserial/fwserial.c | 15 | ||||
-rw-r--r-- | drivers/staging/ipx/af_ipx.c | 2 | ||||
-rw-r--r-- | drivers/staging/ipx/ipx_proc.c | 45 | ||||
-rw-r--r-- | drivers/staging/ncpfs/dir.c | 42 | ||||
-rw-r--r-- | drivers/staging/rtl8192u/r8192U_core.c | 67 | ||||
-rw-r--r-- | drivers/staging/typec/Kconfig | 8 | ||||
-rw-r--r-- | drivers/staging/typec/Makefile | 1 | ||||
-rw-r--r-- | drivers/staging/typec/tcpci.h | 1 | ||||
-rw-r--r-- | drivers/staging/typec/tcpci_rt1711h.c | 312 |
11 files changed, 361 insertions, 154 deletions
diff --git a/drivers/staging/comedi/drivers/serial2002.c b/drivers/staging/comedi/drivers/serial2002.c index b3f3b4a201af..5471b2212a62 100644 --- a/drivers/staging/comedi/drivers/serial2002.c +++ b/drivers/staging/comedi/drivers/serial2002.c @@ -113,7 +113,7 @@ static void serial2002_tty_read_poll_wait(struct file *f, int timeout) long elapsed; __poll_t mask; - mask = f->f_op->poll(f, &table.pt); + mask = vfs_poll(f, &table.pt); if (mask & (EPOLLRDNORM | EPOLLRDBAND | EPOLLIN | EPOLLHUP | EPOLLERR)) { break; @@ -136,7 +136,7 @@ static int serial2002_tty_read(struct file *f, int timeout) result = -1; if (!IS_ERR(f)) { - if (f->f_op->poll) { + if (file_can_poll(f)) { serial2002_tty_read_poll_wait(f, timeout); if (kernel_read(f, &ch, 1, &pos) == 1) diff --git a/drivers/staging/comedi/proc.c b/drivers/staging/comedi/proc.c index 50d38938ac6f..8bc8e42beb90 100644 --- a/drivers/staging/comedi/proc.c +++ b/drivers/staging/comedi/proc.c @@ -62,25 +62,9 @@ static int comedi_read(struct seq_file *m, void *v) return 0; } -/* - * seq_file wrappers for procfile show routines. - */ -static int comedi_proc_open(struct inode *inode, struct file *file) -{ - return single_open(file, comedi_read, NULL); -} - -static const struct file_operations comedi_proc_fops = { - .owner = THIS_MODULE, - .open = comedi_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - void __init comedi_proc_init(void) { - if (!proc_create("comedi", 0444, NULL, &comedi_proc_fops)) + if (!proc_create_single("comedi", 0444, NULL, comedi_read)) pr_warn("comedi: unable to create proc entry\n"); } diff --git a/drivers/staging/fwserial/fwserial.c b/drivers/staging/fwserial/fwserial.c index e8bfe5520bc7..fa0dd425b454 100644 --- a/drivers/staging/fwserial/fwserial.c +++ b/drivers/staging/fwserial/fwserial.c @@ -1506,11 +1506,6 @@ static int fwtty_debugfs_peers_show(struct seq_file *m, void *v) return 0; } -static int fwtty_proc_open(struct inode *inode, struct file *fp) -{ - return single_open(fp, fwtty_proc_show, NULL); -} - static int fwtty_stats_open(struct inode *inode, struct file *fp) { return single_open(fp, fwtty_debugfs_stats_show, inode->i_private); @@ -1537,14 +1532,6 @@ static const struct file_operations fwtty_peers_fops = { .release = single_release, }; -static const struct file_operations fwtty_proc_fops = { - .owner = THIS_MODULE, - .open = fwtty_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - static const struct tty_port_operations fwtty_port_ops = { .dtr_rts = fwtty_port_dtr_rts, .carrier_raised = fwtty_port_carrier_raised, @@ -1570,7 +1557,7 @@ static const struct tty_operations fwtty_ops = { .tiocmget = fwtty_tiocmget, .tiocmset = fwtty_tiocmset, .get_icount = fwtty_get_icount, - .proc_fops = &fwtty_proc_fops, + .proc_show = fwtty_proc_show, }; static const struct tty_operations fwloop_ops = { diff --git a/drivers/staging/ipx/af_ipx.c b/drivers/staging/ipx/af_ipx.c index 5703dd176787..208b5c161631 100644 --- a/drivers/staging/ipx/af_ipx.c +++ b/drivers/staging/ipx/af_ipx.c @@ -1965,7 +1965,7 @@ static const struct proto_ops ipx_dgram_ops = { .socketpair = sock_no_socketpair, .accept = sock_no_accept, .getname = ipx_getname, - .poll = datagram_poll, + .poll_mask = datagram_poll_mask, .ioctl = ipx_ioctl, #ifdef CONFIG_COMPAT .compat_ioctl = ipx_compat_ioctl, diff --git a/drivers/staging/ipx/ipx_proc.c b/drivers/staging/ipx/ipx_proc.c index b9232e4e2ed4..360f0ad970de 100644 --- a/drivers/staging/ipx/ipx_proc.c +++ b/drivers/staging/ipx/ipx_proc.c @@ -244,42 +244,6 @@ static const struct seq_operations ipx_seq_socket_ops = { .show = ipx_seq_socket_show, }; -static int ipx_seq_route_open(struct inode *inode, struct file *file) -{ - return seq_open(file, &ipx_seq_route_ops); -} - -static int ipx_seq_interface_open(struct inode *inode, struct file *file) -{ - return seq_open(file, &ipx_seq_interface_ops); -} - -static int ipx_seq_socket_open(struct inode *inode, struct file *file) -{ - return seq_open(file, &ipx_seq_socket_ops); -} - -static const struct file_operations ipx_seq_interface_fops = { - .open = ipx_seq_interface_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release, -}; - -static const struct file_operations ipx_seq_route_fops = { - .open = ipx_seq_route_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release, -}; - -static const struct file_operations ipx_seq_socket_fops = { - .open = ipx_seq_socket_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release, -}; - static struct proc_dir_entry *ipx_proc_dir; int __init ipx_proc_init(void) @@ -291,16 +255,17 @@ int __init ipx_proc_init(void) if (!ipx_proc_dir) goto out; - p = proc_create("interface", S_IRUGO, - ipx_proc_dir, &ipx_seq_interface_fops); + p = proc_create_seq("interface", S_IRUGO, ipx_proc_dir, + &ipx_seq_interface_ops); if (!p) goto out_interface; - p = proc_create("route", S_IRUGO, ipx_proc_dir, &ipx_seq_route_fops); + p = proc_create_seq("route", S_IRUGO, ipx_proc_dir, &ipx_seq_route_ops); if (!p) goto out_route; - p = proc_create("socket", S_IRUGO, ipx_proc_dir, &ipx_seq_socket_fops); + p = proc_create_seq("socket", S_IRUGO, ipx_proc_dir, + &ipx_seq_socket_ops); if (!p) goto out_socket; diff --git a/drivers/staging/ncpfs/dir.c b/drivers/staging/ncpfs/dir.c index 0c57c5c5d40a..072bcb12898f 100644 --- a/drivers/staging/ncpfs/dir.c +++ b/drivers/staging/ncpfs/dir.c @@ -823,12 +823,11 @@ static struct dentry *ncp_lookup(struct inode *dir, struct dentry *dentry, unsig struct ncp_server *server = NCP_SERVER(dir); struct inode *inode = NULL; struct ncp_entry_info finfo; - int error, res, len; + int res, len; __u8 __name[NCP_MAXPATHLEN + 1]; - error = -EIO; if (!ncp_conn_valid(server)) - goto finished; + return ERR_PTR(-EIO); ncp_vdbg("server lookup for %pd2\n", dentry); @@ -847,31 +846,20 @@ static struct dentry *ncp_lookup(struct inode *dir, struct dentry *dentry, unsig res = ncp_obtain_info(server, dir, __name, &(finfo.i)); } ncp_vdbg("looked for %pd2, res=%d\n", dentry, res); - /* - * If we didn't find an entry, make a negative dentry. - */ - if (res) - goto add_entry; - - /* - * Create an inode for the entry. - */ - finfo.opened = 0; - finfo.ino = iunique(dir->i_sb, 2); - finfo.volume = finfo.i.volNumber; - error = -EACCES; - inode = ncp_iget(dir->i_sb, &finfo); - - if (inode) { - ncp_new_dentry(dentry); -add_entry: - d_add(dentry, inode); - error = 0; + if (!res) { + /* + * Entry found; create an inode for it. + */ + finfo.opened = 0; + finfo.ino = iunique(dir->i_sb, 2); + finfo.volume = finfo.i.volNumber; + inode = ncp_iget(dir->i_sb, &finfo); + if (unlikely(!inode)) + inode = ERR_PTR(-EACCES); + else + ncp_new_dentry(dentry); } - -finished: - ncp_vdbg("result=%d\n", error); - return ERR_PTR(error); + return d_splice_alias(inode, dentry); } /* diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c index d607c59761cf..7a0dbc0fa18e 100644 --- a/drivers/staging/rtl8192u/r8192U_core.c +++ b/drivers/staging/rtl8192u/r8192U_core.c @@ -646,64 +646,25 @@ static void rtl8192_proc_module_init(void) rtl8192_proc = proc_mkdir(RTL819xU_MODULE_NAME, init_net.proc_net); } -/* - * seq_file wrappers for procfile show routines. - */ -static int rtl8192_proc_open(struct inode *inode, struct file *file) -{ - struct net_device *dev = proc_get_parent_data(inode); - int (*show)(struct seq_file *, void *) = PDE_DATA(inode); - - return single_open(file, show, dev); -} - -static const struct file_operations rtl8192_proc_fops = { - .open = rtl8192_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -/* - * Table of proc files we need to create. - */ -struct rtl8192_proc_file { - char name[12]; - int (*show)(struct seq_file *, void *); -}; - -static const struct rtl8192_proc_file rtl8192_proc_files[] = { - { "stats-rx", &proc_get_stats_rx }, - { "stats-tx", &proc_get_stats_tx }, - { "stats-ap", &proc_get_stats_ap }, - { "registers", &proc_get_registers }, - { "" } -}; - static void rtl8192_proc_init_one(struct net_device *dev) { - const struct rtl8192_proc_file *f; struct proc_dir_entry *dir; - if (rtl8192_proc) { - dir = proc_mkdir_data(dev->name, 0, rtl8192_proc, dev); - if (!dir) { - RT_TRACE(COMP_ERR, - "Unable to initialize /proc/net/rtl8192/%s\n", - dev->name); - return; - } + if (!rtl8192_proc) + return; - for (f = rtl8192_proc_files; f->name[0]; f++) { - if (!proc_create_data(f->name, S_IFREG | S_IRUGO, dir, - &rtl8192_proc_fops, f->show)) { - RT_TRACE(COMP_ERR, - "Unable to initialize /proc/net/rtl8192/%s/%s\n", - dev->name, f->name); - return; - } - } - } + dir = proc_mkdir_data(dev->name, 0, rtl8192_proc, dev); + if (!dir) + return; + + proc_create_single("stats-rx", S_IFREG | S_IRUGO, dir, + proc_get_stats_rx); + proc_create_single("stats-tx", S_IFREG | S_IRUGO, dir, + proc_get_stats_tx); + proc_create_single("stats-ap", S_IFREG | S_IRUGO, dir, + proc_get_stats_ap); + proc_create_single("registers", S_IFREG | S_IRUGO, dir, + proc_get_registers); } static void rtl8192_proc_remove_one(struct net_device *dev) diff --git a/drivers/staging/typec/Kconfig b/drivers/staging/typec/Kconfig index 5359f556d203..3aa981fbc8f5 100644 --- a/drivers/staging/typec/Kconfig +++ b/drivers/staging/typec/Kconfig @@ -9,6 +9,14 @@ config TYPEC_TCPCI help Type-C Port Controller driver for TCPCI-compliant controller. +config TYPEC_RT1711H + tristate "Richtek RT1711H Type-C chip driver" + select TYPEC_TCPCI + help + Richtek RT1711H Type-C chip driver that works with + Type-C Port Controller Manager to provide USB PD and USB + Type-C functionalities. + endif endmenu diff --git a/drivers/staging/typec/Makefile b/drivers/staging/typec/Makefile index 53d649abcb53..7803d485e1b3 100644 --- a/drivers/staging/typec/Makefile +++ b/drivers/staging/typec/Makefile @@ -1 +1,2 @@ obj-$(CONFIG_TYPEC_TCPCI) += tcpci.o +obj-$(CONFIG_TYPEC_RT1711H) += tcpci_rt1711h.o diff --git a/drivers/staging/typec/tcpci.h b/drivers/staging/typec/tcpci.h index 34c865f0dcf6..303ebde26546 100644 --- a/drivers/staging/typec/tcpci.h +++ b/drivers/staging/typec/tcpci.h @@ -59,6 +59,7 @@ #define TCPC_POWER_CTRL_VCONN_ENABLE BIT(0) #define TCPC_CC_STATUS 0x1d +#define TCPC_CC_STATUS_TOGGLING BIT(5) #define TCPC_CC_STATUS_TERM BIT(4) #define TCPC_CC_STATUS_CC2_SHIFT 2 #define TCPC_CC_STATUS_CC2_MASK 0x3 diff --git a/drivers/staging/typec/tcpci_rt1711h.c b/drivers/staging/typec/tcpci_rt1711h.c new file mode 100644 index 000000000000..017389021b96 --- /dev/null +++ b/drivers/staging/typec/tcpci_rt1711h.c @@ -0,0 +1,312 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2018, Richtek Technology Corporation + * + * Richtek RT1711H Type-C Chip Driver + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/i2c.h> +#include <linux/interrupt.h> +#include <linux/gpio/consumer.h> +#include <linux/usb/tcpm.h> +#include <linux/regmap.h> +#include "tcpci.h" + +#define RT1711H_VID 0x29CF +#define RT1711H_PID 0x1711 + +#define RT1711H_RTCTRL8 0x9B + +/* Autoidle timeout = (tout * 2 + 1) * 6.4ms */ +#define RT1711H_RTCTRL8_SET(ck300, ship_off, auto_idle, tout) \ + (((ck300) << 7) | ((ship_off) << 5) | \ + ((auto_idle) << 3) | ((tout) & 0x07)) + +#define RT1711H_RTCTRL11 0x9E + +/* I2C timeout = (tout + 1) * 12.5ms */ +#define RT1711H_RTCTRL11_SET(en, tout) \ + (((en) << 7) | ((tout) & 0x0F)) + +#define RT1711H_RTCTRL13 0xA0 +#define RT1711H_RTCTRL14 0xA1 +#define RT1711H_RTCTRL15 0xA2 +#define RT1711H_RTCTRL16 0xA3 + +struct rt1711h_chip { + struct tcpci_data data; + struct tcpci *tcpci; + struct device *dev; +}; + +static int rt1711h_read16(struct rt1711h_chip *chip, unsigned int reg, u16 *val) +{ + return regmap_raw_read(chip->data.regmap, reg, val, sizeof(u16)); +} + +static int rt1711h_write16(struct rt1711h_chip *chip, unsigned int reg, u16 val) +{ + return regmap_raw_write(chip->data.regmap, reg, &val, sizeof(u16)); +} + +static int rt1711h_read8(struct rt1711h_chip *chip, unsigned int reg, u8 *val) +{ + return regmap_raw_read(chip->data.regmap, reg, val, sizeof(u8)); +} + +static int rt1711h_write8(struct rt1711h_chip *chip, unsigned int reg, u8 val) +{ + return regmap_raw_write(chip->data.regmap, reg, &val, sizeof(u8)); +} + +static const struct regmap_config rt1711h_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + + .max_register = 0xFF, /* 0x80 .. 0xFF are vendor defined */ +}; + +static struct rt1711h_chip *tdata_to_rt1711h(struct tcpci_data *tdata) +{ + return container_of(tdata, struct rt1711h_chip, data); +} + +static int rt1711h_init(struct tcpci *tcpci, struct tcpci_data *tdata) +{ + int ret; + struct rt1711h_chip *chip = tdata_to_rt1711h(tdata); + + /* CK 300K from 320K, shipping off, auto_idle enable, tout = 32ms */ + ret = rt1711h_write8(chip, RT1711H_RTCTRL8, + RT1711H_RTCTRL8_SET(0, 1, 1, 2)); + if (ret < 0) + return ret; + + /* I2C reset : (val + 1) * 12.5ms */ + ret = rt1711h_write8(chip, RT1711H_RTCTRL11, + RT1711H_RTCTRL11_SET(1, 0x0F)); + if (ret < 0) + return ret; + + /* tTCPCfilter : (26.7 * val) us */ + ret = rt1711h_write8(chip, RT1711H_RTCTRL14, 0x0F); + if (ret < 0) + return ret; + + /* tDRP : (51.2 + 6.4 * val) ms */ + ret = rt1711h_write8(chip, RT1711H_RTCTRL15, 0x04); + if (ret < 0) + return ret; + + /* dcSRC.DRP : 33% */ + return rt1711h_write16(chip, RT1711H_RTCTRL16, 330); +} + +static int rt1711h_set_vconn(struct tcpci *tcpci, struct tcpci_data *tdata, + bool enable) +{ + struct rt1711h_chip *chip = tdata_to_rt1711h(tdata); + + return rt1711h_write8(chip, RT1711H_RTCTRL8, + RT1711H_RTCTRL8_SET(0, 1, !enable, 2)); +} + +static int rt1711h_start_drp_toggling(struct tcpci *tcpci, + struct tcpci_data *tdata, + enum typec_cc_status cc) +{ + struct rt1711h_chip *chip = tdata_to_rt1711h(tdata); + int ret; + unsigned int reg = 0; + + switch (cc) { + default: + case TYPEC_CC_RP_DEF: + reg |= (TCPC_ROLE_CTRL_RP_VAL_DEF << + TCPC_ROLE_CTRL_RP_VAL_SHIFT); + break; + case TYPEC_CC_RP_1_5: + reg |= (TCPC_ROLE_CTRL_RP_VAL_1_5 << + TCPC_ROLE_CTRL_RP_VAL_SHIFT); + break; + case TYPEC_CC_RP_3_0: + reg |= (TCPC_ROLE_CTRL_RP_VAL_3_0 << + TCPC_ROLE_CTRL_RP_VAL_SHIFT); + break; + } + + if (cc == TYPEC_CC_RD) + reg |= (TCPC_ROLE_CTRL_CC_RD << TCPC_ROLE_CTRL_CC1_SHIFT) | + (TCPC_ROLE_CTRL_CC_RD << TCPC_ROLE_CTRL_CC2_SHIFT); + else + reg |= (TCPC_ROLE_CTRL_CC_RP << TCPC_ROLE_CTRL_CC1_SHIFT) | + (TCPC_ROLE_CTRL_CC_RP << TCPC_ROLE_CTRL_CC2_SHIFT); + + ret = rt1711h_write8(chip, TCPC_ROLE_CTRL, reg); + if (ret < 0) + return ret; + usleep_range(500, 1000); + + return 0; +} + +static irqreturn_t rt1711h_irq(int irq, void *dev_id) +{ + int ret; + u16 alert; + u8 status; + struct rt1711h_chip *chip = dev_id; + + if (!chip->tcpci) + return IRQ_HANDLED; + + ret = rt1711h_read16(chip, TCPC_ALERT, &alert); + if (ret < 0) + goto out; + + if (alert & TCPC_ALERT_CC_STATUS) { + ret = rt1711h_read8(chip, TCPC_CC_STATUS, &status); + if (ret < 0) + goto out; + /* Clear cc change event triggered by starting toggling */ + if (status & TCPC_CC_STATUS_TOGGLING) + rt1711h_write8(chip, TCPC_ALERT, TCPC_ALERT_CC_STATUS); + } + +out: + return tcpci_irq(chip->tcpci); +} + +static int rt1711h_init_alert(struct rt1711h_chip *chip, + struct i2c_client *client) +{ + int ret; + + /* Disable chip interrupts before requesting irq */ + ret = rt1711h_write16(chip, TCPC_ALERT_MASK, 0); + if (ret < 0) + return ret; + + ret = devm_request_threaded_irq(chip->dev, client->irq, NULL, + rt1711h_irq, + IRQF_ONESHOT | IRQF_TRIGGER_LOW, + dev_name(chip->dev), chip); + if (ret < 0) + return ret; + enable_irq_wake(client->irq); + return 0; +} + +static int rt1711h_sw_reset(struct rt1711h_chip *chip) +{ + int ret; + + ret = rt1711h_write8(chip, RT1711H_RTCTRL13, 0x01); + if (ret < 0) + return ret; + + usleep_range(1000, 2000); + return 0; +} + +static int rt1711h_check_revision(struct i2c_client *i2c) +{ + int ret; + + ret = i2c_smbus_read_word_data(i2c, TCPC_VENDOR_ID); + if (ret < 0) + return ret; + if (ret != RT1711H_VID) { + dev_err(&i2c->dev, "vid is not correct, 0x%04x\n", ret); + return -ENODEV; + } + ret = i2c_smbus_read_word_data(i2c, TCPC_PRODUCT_ID); + if (ret < 0) + return ret; + if (ret != RT1711H_PID) { + dev_err(&i2c->dev, "pid is not correct, 0x%04x\n", ret); + return -ENODEV; + } + return 0; +} + +static int rt1711h_probe(struct i2c_client *client, + const struct i2c_device_id *i2c_id) +{ + int ret; + struct rt1711h_chip *chip; + + ret = rt1711h_check_revision(client); + if (ret < 0) { + dev_err(&client->dev, "check vid/pid fail\n"); + return ret; + } + + chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL); + if (!chip) + return -ENOMEM; + + chip->data.regmap = devm_regmap_init_i2c(client, + &rt1711h_regmap_config); + if (IS_ERR(chip->data.regmap)) + return PTR_ERR(chip->data.regmap); + + chip->dev = &client->dev; + i2c_set_clientdata(client, chip); + + ret = rt1711h_sw_reset(chip); + if (ret < 0) + return ret; + + ret = rt1711h_init_alert(chip, client); + if (ret < 0) + return ret; + + chip->data.init = rt1711h_init; + chip->data.set_vconn = rt1711h_set_vconn; + chip->data.start_drp_toggling = rt1711h_start_drp_toggling; + chip->tcpci = tcpci_register_port(chip->dev, &chip->data); + if (IS_ERR_OR_NULL(chip->tcpci)) + return PTR_ERR(chip->tcpci); + + return 0; +} + +static int rt1711h_remove(struct i2c_client *client) +{ + struct rt1711h_chip *chip = i2c_get_clientdata(client); + + tcpci_unregister_port(chip->tcpci); + return 0; +} + +static const struct i2c_device_id rt1711h_id[] = { + { "rt1711h", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, rt1711h_id); + +#ifdef CONFIG_OF +static const struct of_device_id rt1711h_of_match[] = { + { .compatible = "richtek,rt1711h", }, + {}, +}; +MODULE_DEVICE_TABLE(of, rt1711h_of_match); +#endif + +static struct i2c_driver rt1711h_i2c_driver = { + .driver = { + .name = "rt1711h", + .of_match_table = of_match_ptr(rt1711h_of_match), + }, + .probe = rt1711h_probe, + .remove = rt1711h_remove, + .id_table = rt1711h_id, +}; +module_i2c_driver(rt1711h_i2c_driver); + +MODULE_AUTHOR("ShuFan Lee <shufan_lee@richtek.com>"); +MODULE_DESCRIPTION("RT1711H USB Type-C Port Controller Interface Driver"); +MODULE_LICENSE("GPL"); |