diff options
Diffstat (limited to 'drivers/w1')
-rw-r--r-- | drivers/w1/masters/ds1wm.c | 2 | ||||
-rw-r--r-- | drivers/w1/masters/ds2482.c | 2 | ||||
-rw-r--r-- | drivers/w1/masters/ds2490.c | 50 | ||||
-rw-r--r-- | drivers/w1/masters/mxc_w1.c | 64 | ||||
-rw-r--r-- | drivers/w1/slaves/Kconfig | 8 | ||||
-rw-r--r-- | drivers/w1/slaves/Makefile | 1 | ||||
-rw-r--r-- | drivers/w1/slaves/w1_ds2406.c | 168 | ||||
-rw-r--r-- | drivers/w1/slaves/w1_ds2760.c | 3 | ||||
-rw-r--r-- | drivers/w1/w1.c | 10 | ||||
-rw-r--r-- | drivers/w1/w1_family.c | 2 | ||||
-rw-r--r-- | drivers/w1/w1_family.h | 1 | ||||
-rw-r--r-- | drivers/w1/w1_int.c | 19 | ||||
-rw-r--r-- | drivers/w1/w1_log.h | 4 | ||||
-rw-r--r-- | drivers/w1/w1_netlink.c | 3 |
14 files changed, 258 insertions, 79 deletions
diff --git a/drivers/w1/masters/ds1wm.c b/drivers/w1/masters/ds1wm.c index 02df3b1381d2..e0b8a4bc73df 100644 --- a/drivers/w1/masters/ds1wm.c +++ b/drivers/w1/masters/ds1wm.c @@ -563,7 +563,7 @@ static struct platform_driver ds1wm_driver = { static int __init ds1wm_init(void) { - printk("DS1WM w1 busmaster driver - (c) 2004 Szabolcs Gyurko\n"); + pr_info("DS1WM w1 busmaster driver - (c) 2004 Szabolcs Gyurko\n"); return platform_driver_register(&ds1wm_driver); } diff --git a/drivers/w1/masters/ds2482.c b/drivers/w1/masters/ds2482.c index e033491fe308..e76a9b39abb2 100644 --- a/drivers/w1/masters/ds2482.c +++ b/drivers/w1/masters/ds2482.c @@ -226,7 +226,7 @@ static int ds2482_wait_1wire_idle(struct ds2482_data *pdev) } if (retries >= DS2482_WAIT_IDLE_TIMEOUT) - printk(KERN_ERR "%s: timeout on channel %d\n", + pr_err("%s: timeout on channel %d\n", __func__, pdev->channel); return temp; diff --git a/drivers/w1/masters/ds2490.c b/drivers/w1/masters/ds2490.c index 7404ad3062b7..1de6df87bfa3 100644 --- a/drivers/w1/masters/ds2490.c +++ b/drivers/w1/masters/ds2490.c @@ -206,7 +206,7 @@ static int ds_send_control_cmd(struct ds_device *dev, u16 value, u16 index) err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, dev->ep[EP_CONTROL]), CONTROL_CMD, VENDOR, value, index, NULL, 0, 1000); if (err < 0) { - printk(KERN_ERR "Failed to send command control message %x.%x: err=%d.\n", + pr_err("Failed to send command control message %x.%x: err=%d.\n", value, index, err); return err; } @@ -221,7 +221,7 @@ static int ds_send_control_mode(struct ds_device *dev, u16 value, u16 index) err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, dev->ep[EP_CONTROL]), MODE_CMD, VENDOR, value, index, NULL, 0, 1000); if (err < 0) { - printk(KERN_ERR "Failed to send mode control message %x.%x: err=%d.\n", + pr_err("Failed to send mode control message %x.%x: err=%d.\n", value, index, err); return err; } @@ -236,7 +236,7 @@ static int ds_send_control(struct ds_device *dev, u16 value, u16 index) err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, dev->ep[EP_CONTROL]), COMM_CMD, VENDOR, value, index, NULL, 0, 1000); if (err < 0) { - printk(KERN_ERR "Failed to send control message %x.%x: err=%d.\n", + pr_err("Failed to send control message %x.%x: err=%d.\n", value, index, err); return err; } @@ -255,7 +255,8 @@ static int ds_recv_status_nodump(struct ds_device *dev, struct ds_status *st, err = usb_interrupt_msg(dev->udev, usb_rcvintpipe(dev->udev, dev->ep[EP_STATUS]), buf, size, &count, 100); if (err < 0) { - printk(KERN_ERR "Failed to read 1-wire data from 0x%x: err=%d.\n", dev->ep[EP_STATUS], err); + pr_err("Failed to read 1-wire data from 0x%x: err=%d.\n", + dev->ep[EP_STATUS], err); return err; } @@ -267,17 +268,17 @@ static int ds_recv_status_nodump(struct ds_device *dev, struct ds_status *st, static inline void ds_print_msg(unsigned char *buf, unsigned char *str, int off) { - printk(KERN_INFO "%45s: %8x\n", str, buf[off]); + pr_info("%45s: %8x\n", str, buf[off]); } static void ds_dump_status(struct ds_device *dev, unsigned char *buf, int count) { int i; - printk(KERN_INFO "0x%x: count=%d, status: ", dev->ep[EP_STATUS], count); + pr_info("0x%x: count=%d, status: ", dev->ep[EP_STATUS], count); for (i=0; i<count; ++i) - printk("%02x ", buf[i]); - printk(KERN_INFO "\n"); + pr_info("%02x ", buf[i]); + pr_info("\n"); if (count >= 16) { ds_print_msg(buf, "enable flag", 0); @@ -305,21 +306,21 @@ static void ds_dump_status(struct ds_device *dev, unsigned char *buf, int count) } ds_print_msg(buf, "Result Register Value: ", i); if (buf[i] & RR_NRS) - printk(KERN_INFO "NRS: Reset no presence or ...\n"); + pr_info("NRS: Reset no presence or ...\n"); if (buf[i] & RR_SH) - printk(KERN_INFO "SH: short on reset or set path\n"); + pr_info("SH: short on reset or set path\n"); if (buf[i] & RR_APP) - printk(KERN_INFO "APP: alarming presence on reset\n"); + pr_info("APP: alarming presence on reset\n"); if (buf[i] & RR_VPP) - printk(KERN_INFO "VPP: 12V expected not seen\n"); + pr_info("VPP: 12V expected not seen\n"); if (buf[i] & RR_CMP) - printk(KERN_INFO "CMP: compare error\n"); + pr_info("CMP: compare error\n"); if (buf[i] & RR_CRC) - printk(KERN_INFO "CRC: CRC error detected\n"); + pr_info("CRC: CRC error detected\n"); if (buf[i] & RR_RDP) - printk(KERN_INFO "RDP: redirected page\n"); + pr_info("RDP: redirected page\n"); if (buf[i] & RR_EOS) - printk(KERN_INFO "EOS: end of search error\n"); + pr_info("EOS: end of search error\n"); } } @@ -330,15 +331,13 @@ static void ds_reset_device(struct ds_device *dev) * the strong pullup. */ if (ds_send_control_mode(dev, MOD_PULSE_EN, PULSE_SPUE)) - printk(KERN_ERR "ds_reset_device: " - "Error allowing strong pullup\n"); + pr_err("ds_reset_device: Error allowing strong pullup\n"); /* Chip strong pullup time was cleared. */ if (dev->spu_sleep) { /* lower 4 bits are 0, see ds_set_pullup */ u8 del = dev->spu_sleep>>4; if (ds_send_control(dev, COMM_SET_DURATION | COMM_IM, del)) - printk(KERN_ERR "ds_reset_device: " - "Error setting duration\n"); + pr_err("ds_reset_device: Error setting duration\n"); } } @@ -363,7 +362,7 @@ static int ds_recv_data(struct ds_device *dev, unsigned char *buf, int size) u8 buf[ST_SIZE]; int count; - printk(KERN_INFO "Clearing ep0x%x.\n", dev->ep[EP_DATA_IN]); + pr_info("Clearing ep0x%x.\n", dev->ep[EP_DATA_IN]); usb_clear_halt(dev->udev, usb_rcvbulkpipe(dev->udev, dev->ep[EP_DATA_IN])); count = ds_recv_status_nodump(dev, &st, buf, sizeof(buf)); @@ -391,7 +390,7 @@ static int ds_send_data(struct ds_device *dev, unsigned char *buf, int len) count = 0; err = usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, dev->ep[EP_DATA_OUT]), buf, len, &count, 1000); if (err < 0) { - printk(KERN_ERR "Failed to write 1-wire data to ep0x%x: " + pr_err("Failed to write 1-wire data to ep0x%x: " "err=%d.\n", dev->ep[EP_DATA_OUT], err); return err; } @@ -475,7 +474,7 @@ static int ds_wait_status(struct ds_device *dev, struct ds_status *st) } while (!(st->status & ST_IDLE) && !(err < 0) && ++count < 100); if (err >= 16 && st->status & ST_EPOF) { - printk(KERN_INFO "Resetting device after ST_EPOF.\n"); + pr_info("Resetting device after ST_EPOF.\n"); ds_reset_device(dev); /* Always dump the device status. */ count = 101; @@ -992,7 +991,7 @@ static int ds_probe(struct usb_interface *intf, dev = kzalloc(sizeof(struct ds_device), GFP_KERNEL); if (!dev) { - printk(KERN_INFO "Failed to allocate new DS9490R structure.\n"); + pr_info("Failed to allocate new DS9490R structure.\n"); return -ENOMEM; } dev->udev = usb_get_dev(udev); @@ -1024,7 +1023,8 @@ static int ds_probe(struct usb_interface *intf, iface_desc = &intf->altsetting[alt]; if (iface_desc->desc.bNumEndpoints != NUM_EP-1) { - printk(KERN_INFO "Num endpoints=%d. It is not DS9490R.\n", iface_desc->desc.bNumEndpoints); + pr_info("Num endpoints=%d. It is not DS9490R.\n", + iface_desc->desc.bNumEndpoints); err = -EINVAL; goto err_out_clear; } diff --git a/drivers/w1/masters/mxc_w1.c b/drivers/w1/masters/mxc_w1.c index a5df5e89d456..da3d0f0ad63c 100644 --- a/drivers/w1/masters/mxc_w1.c +++ b/drivers/w1/masters/mxc_w1.c @@ -15,16 +15,13 @@ #include <linux/clk.h> #include <linux/delay.h> #include <linux/io.h> +#include <linux/jiffies.h> #include <linux/module.h> #include <linux/platform_device.h> #include "../w1.h" #include "../w1_int.h" -/* According to the mx27 Datasheet the reset procedure should take up to about - * 1350us. We set the timeout to 500*100us = 50ms for sure */ -#define MXC_W1_RESET_TIMEOUT 500 - /* * MXC W1 Register offsets */ @@ -35,6 +32,7 @@ # define MXC_W1_CONTROL_RPP BIT(7) #define MXC_W1_TIME_DIVIDER 0x02 #define MXC_W1_RESET 0x04 +# define MXC_W1_RESET_RST BIT(0) struct mxc_w1_device { void __iomem *regs; @@ -49,24 +47,25 @@ struct mxc_w1_device { */ static u8 mxc_w1_ds2_reset_bus(void *data) { - u8 reg_val; - unsigned int timeout_cnt = 0; struct mxc_w1_device *dev = data; + unsigned long timeout; + + writeb(MXC_W1_CONTROL_RPP, dev->regs + MXC_W1_CONTROL); - writeb(MXC_W1_CONTROL_RPP, (dev->regs + MXC_W1_CONTROL)); + /* Wait for reset sequence 511+512us, use 1500us for sure */ + timeout = jiffies + usecs_to_jiffies(1500); - while (1) { - reg_val = readb(dev->regs + MXC_W1_CONTROL); + udelay(511 + 512); - if (!(reg_val & MXC_W1_CONTROL_RPP) || - timeout_cnt > MXC_W1_RESET_TIMEOUT) - break; - else - timeout_cnt++; + do { + u8 ctrl = readb(dev->regs + MXC_W1_CONTROL); - udelay(100); - } - return !(reg_val & MXC_W1_CONTROL_PST); + /* PST bit is valid after the RPP bit is self-cleared */ + if (!(ctrl & MXC_W1_CONTROL_RPP)) + return !(ctrl & MXC_W1_CONTROL_PST); + } while (time_is_after_jiffies(timeout)); + + return 1; } /* @@ -76,22 +75,25 @@ static u8 mxc_w1_ds2_reset_bus(void *data) */ static u8 mxc_w1_ds2_touch_bit(void *data, u8 bit) { - struct mxc_w1_device *mdev = data; - void __iomem *ctrl_addr = mdev->regs + MXC_W1_CONTROL; - unsigned int timeout_cnt = 400; /* Takes max. 120us according to - * datasheet. - */ + struct mxc_w1_device *dev = data; + unsigned long timeout; - writeb(MXC_W1_CONTROL_WR(bit), ctrl_addr); + writeb(MXC_W1_CONTROL_WR(bit), dev->regs + MXC_W1_CONTROL); - while (timeout_cnt--) { - if (!(readb(ctrl_addr) & MXC_W1_CONTROL_WR(bit))) - break; + /* Wait for read/write bit (60us, Max 120us), use 200us for sure */ + timeout = jiffies + usecs_to_jiffies(200); - udelay(1); - } + udelay(60); - return !!(readb(ctrl_addr) & MXC_W1_CONTROL_RDST); + do { + u8 ctrl = readb(dev->regs + MXC_W1_CONTROL); + + /* RDST bit is valid after the WR1/RD bit is self-cleared */ + if (!(ctrl & MXC_W1_CONTROL_WR(bit))) + return !!(ctrl & MXC_W1_CONTROL_RDST); + } while (time_is_after_jiffies(timeout)); + + return 0; } static int mxc_w1_probe(struct platform_device *pdev) @@ -131,6 +133,10 @@ static int mxc_w1_probe(struct platform_device *pdev) if (err) return err; + /* Software reset 1-Wire module */ + writeb(MXC_W1_RESET_RST, mdev->regs + MXC_W1_RESET); + writeb(0, mdev->regs + MXC_W1_RESET); + writeb(clkdiv - 1, mdev->regs + MXC_W1_TIME_DIVIDER); mdev->bus_master.data = mdev; diff --git a/drivers/w1/slaves/Kconfig b/drivers/w1/slaves/Kconfig index 1cdce80b6abf..cfe74d09932e 100644 --- a/drivers/w1/slaves/Kconfig +++ b/drivers/w1/slaves/Kconfig @@ -38,6 +38,14 @@ config W1_SLAVE_DS2413 Say Y here if you want to use a 1-wire DS2413 Dual Channel Addressable Switch device support +config W1_SLAVE_DS2406 + tristate "Dual Channel Addressable Switch 0x12 family support (DS2406)" + select CRC16 + help + Say Y or M here if you want to use a 1-wire + DS2406 Dual Channel Addressable Switch. EPROM read/write + support for these devices is not implemented. + config W1_SLAVE_DS2423 tristate "Counter 1-wire device (DS2423)" select CRC16 diff --git a/drivers/w1/slaves/Makefile b/drivers/w1/slaves/Makefile index 06529f3157ab..1e9989afe7bf 100644 --- a/drivers/w1/slaves/Makefile +++ b/drivers/w1/slaves/Makefile @@ -6,6 +6,7 @@ obj-$(CONFIG_W1_SLAVE_THERM) += w1_therm.o obj-$(CONFIG_W1_SLAVE_SMEM) += w1_smem.o obj-$(CONFIG_W1_SLAVE_DS2408) += w1_ds2408.o obj-$(CONFIG_W1_SLAVE_DS2413) += w1_ds2413.o +obj-$(CONFIG_W1_SLAVE_DS2406) += w1_ds2406.o obj-$(CONFIG_W1_SLAVE_DS2423) += w1_ds2423.o obj-$(CONFIG_W1_SLAVE_DS2431) += w1_ds2431.o obj-$(CONFIG_W1_SLAVE_DS2433) += w1_ds2433.o diff --git a/drivers/w1/slaves/w1_ds2406.c b/drivers/w1/slaves/w1_ds2406.c new file mode 100644 index 000000000000..d488961a8c90 --- /dev/null +++ b/drivers/w1/slaves/w1_ds2406.c @@ -0,0 +1,168 @@ +/* + * w1_ds2406.c - w1 family 12 (DS2406) driver + * based on w1_ds2413.c by Mariusz Bialonczyk <manio@skyboo.net> + * + * Copyright (c) 2014 Scott Alfter <scott@alfter.us> + * + * This source code is licensed under the GNU General Public License, + * Version 2. See the file COPYING for more details. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/device.h> +#include <linux/types.h> +#include <linux/delay.h> +#include <linux/slab.h> +#include <linux/crc16.h> + +#include "../w1.h" +#include "../w1_int.h" +#include "../w1_family.h" + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Scott Alfter <scott@alfter.us>"); +MODULE_DESCRIPTION("w1 family 12 driver for DS2406 2 Pin IO"); + +#define W1_F12_FUNC_READ_STATUS 0xAA +#define W1_F12_FUNC_WRITE_STATUS 0x55 + +static ssize_t w1_f12_read_state( + struct file *filp, struct kobject *kobj, + struct bin_attribute *bin_attr, + char *buf, loff_t off, size_t count) +{ + u8 w1_buf[6]={W1_F12_FUNC_READ_STATUS, 7, 0, 0, 0, 0}; + struct w1_slave *sl = kobj_to_w1_slave(kobj); + u16 crc=0; + int i; + ssize_t rtnval=1; + + if (off != 0) + return 0; + if (!buf) + return -EINVAL; + + mutex_lock(&sl->master->bus_mutex); + + if (w1_reset_select_slave(sl)) { + mutex_unlock(&sl->master->bus_mutex); + return -EIO; + } + + w1_write_block(sl->master, w1_buf, 3); + w1_read_block(sl->master, w1_buf+3, 3); + for (i=0; i<6; i++) + crc=crc16_byte(crc, w1_buf[i]); + if (crc==0xb001) /* good read? */ + *buf=((w1_buf[3]>>5)&3)|0x30; + else + rtnval=-EIO; + + mutex_unlock(&sl->master->bus_mutex); + + return rtnval; +} + +static ssize_t w1_f12_write_output( + struct file *filp, struct kobject *kobj, + struct bin_attribute *bin_attr, + char *buf, loff_t off, size_t count) +{ + struct w1_slave *sl = kobj_to_w1_slave(kobj); + u8 w1_buf[6]={W1_F12_FUNC_WRITE_STATUS, 7, 0, 0, 0, 0}; + u16 crc=0; + int i; + ssize_t rtnval=1; + + if (count != 1 || off != 0) + return -EFAULT; + + mutex_lock(&sl->master->bus_mutex); + + if (w1_reset_select_slave(sl)) { + mutex_unlock(&sl->master->bus_mutex); + return -EIO; + } + + w1_buf[3] = (((*buf)&3)<<5)|0x1F; + w1_write_block(sl->master, w1_buf, 4); + w1_read_block(sl->master, w1_buf+4, 2); + for (i=0; i<6; i++) + crc=crc16_byte(crc, w1_buf[i]); + if (crc==0xb001) /* good read? */ + w1_write_8(sl->master, 0xFF); + else + rtnval=-EIO; + + mutex_unlock(&sl->master->bus_mutex); + return rtnval; +} + +#define NB_SYSFS_BIN_FILES 2 +static struct bin_attribute w1_f12_sysfs_bin_files[NB_SYSFS_BIN_FILES] = { + { + .attr = { + .name = "state", + .mode = S_IRUGO, + }, + .size = 1, + .read = w1_f12_read_state, + }, + { + .attr = { + .name = "output", + .mode = S_IRUGO | S_IWUSR | S_IWGRP, + }, + .size = 1, + .write = w1_f12_write_output, + } +}; + +static int w1_f12_add_slave(struct w1_slave *sl) +{ + int err = 0; + int i; + + for (i = 0; i < NB_SYSFS_BIN_FILES && !err; ++i) + err = sysfs_create_bin_file( + &sl->dev.kobj, + &(w1_f12_sysfs_bin_files[i])); + if (err) + while (--i >= 0) + sysfs_remove_bin_file(&sl->dev.kobj, + &(w1_f12_sysfs_bin_files[i])); + return err; +} + +static void w1_f12_remove_slave(struct w1_slave *sl) +{ + int i; + for (i = NB_SYSFS_BIN_FILES - 1; i >= 0; --i) + sysfs_remove_bin_file(&sl->dev.kobj, + &(w1_f12_sysfs_bin_files[i])); +} + +static struct w1_family_ops w1_f12_fops = { + .add_slave = w1_f12_add_slave, + .remove_slave = w1_f12_remove_slave, +}; + +static struct w1_family w1_family_12 = { + .fid = W1_FAMILY_DS2406, + .fops = &w1_f12_fops, +}; + +static int __init w1_f12_init(void) +{ + return w1_register_family(&w1_family_12); +} + +static void __exit w1_f12_exit(void) +{ + w1_unregister_family(&w1_family_12); +} + +module_init(w1_f12_init); +module_exit(w1_f12_exit); diff --git a/drivers/w1/slaves/w1_ds2760.c b/drivers/w1/slaves/w1_ds2760.c index 65f90dccd60e..d9079d48d112 100644 --- a/drivers/w1/slaves/w1_ds2760.c +++ b/drivers/w1/slaves/w1_ds2760.c @@ -181,8 +181,7 @@ static struct w1_family w1_ds2760_family = { static int __init w1_ds2760_init(void) { - printk(KERN_INFO "1-Wire driver for the DS2760 battery monitor " - " chip - (c) 2004-2005, Szabolcs Gyurko\n"); + pr_info("1-Wire driver for the DS2760 battery monitor chip - (c) 2004-2005, Szabolcs Gyurko\n"); ida_init(&bat_ida); return w1_register_family(&w1_ds2760_family); } diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c index 5d7341520544..592f7edc671e 100644 --- a/drivers/w1/w1.c +++ b/drivers/w1/w1.c @@ -1162,28 +1162,26 @@ static int __init w1_init(void) { int retval; - printk(KERN_INFO "Driver for 1-wire Dallas network protocol.\n"); + pr_info("Driver for 1-wire Dallas network protocol.\n"); w1_init_netlink(); retval = bus_register(&w1_bus_type); if (retval) { - printk(KERN_ERR "Failed to register bus. err=%d.\n", retval); + pr_err("Failed to register bus. err=%d.\n", retval); goto err_out_exit_init; } retval = driver_register(&w1_master_driver); if (retval) { - printk(KERN_ERR - "Failed to register master driver. err=%d.\n", + pr_err("Failed to register master driver. err=%d.\n", retval); goto err_out_bus_unregister; } retval = driver_register(&w1_slave_driver); if (retval) { - printk(KERN_ERR - "Failed to register slave driver. err=%d.\n", + pr_err("Failed to register slave driver. err=%d.\n", retval); goto err_out_master_unregister; } diff --git a/drivers/w1/w1_family.c b/drivers/w1/w1_family.c index 3651ec801f45..1dc3051f7d76 100644 --- a/drivers/w1/w1_family.c +++ b/drivers/w1/w1_family.c @@ -87,7 +87,7 @@ void w1_unregister_family(struct w1_family *fent) w1_reconnect_slaves(fent, 0); while (atomic_read(&fent->refcnt)) { - printk(KERN_INFO "Waiting for family %u to become free: refcnt=%d.\n", + pr_info("Waiting for family %u to become free: refcnt=%d.\n", fent->fid, atomic_read(&fent->refcnt)); if (msleep_interruptible(1000)) diff --git a/drivers/w1/w1_family.h b/drivers/w1/w1_family.h index 26ca1343055b..0d18365b61ad 100644 --- a/drivers/w1/w1_family.h +++ b/drivers/w1/w1_family.h @@ -40,6 +40,7 @@ #define W1_FAMILY_DS2760 0x30 #define W1_FAMILY_DS2780 0x32 #define W1_FAMILY_DS2413 0x3A +#define W1_FAMILY_DS2406 0x12 #define W1_THERM_DS1825 0x3B #define W1_FAMILY_DS2781 0x3D #define W1_THERM_DS28EA00 0x42 diff --git a/drivers/w1/w1_int.c b/drivers/w1/w1_int.c index 728039d2efe1..47249a30eae3 100644 --- a/drivers/w1/w1_int.c +++ b/drivers/w1/w1_int.c @@ -38,7 +38,7 @@ module_param_named(search_count, w1_search_count, int, 0); static int w1_enable_pullup = 1; module_param_named(enable_pullup, w1_enable_pullup, int, 0); -static struct w1_master * w1_alloc_dev(u32 id, int slave_count, int slave_ttl, +static struct w1_master *w1_alloc_dev(u32 id, int slave_count, int slave_ttl, struct device_driver *driver, struct device *device) { @@ -50,8 +50,7 @@ static struct w1_master * w1_alloc_dev(u32 id, int slave_count, int slave_ttl, */ dev = kzalloc(sizeof(struct w1_master) + sizeof(struct w1_bus_master), GFP_KERNEL); if (!dev) { - printk(KERN_ERR - "Failed to allocate %zd bytes for new w1 device.\n", + pr_err("Failed to allocate %zd bytes for new w1 device.\n", sizeof(struct w1_master)); return NULL; } @@ -91,7 +90,7 @@ static struct w1_master * w1_alloc_dev(u32 id, int slave_count, int slave_ttl, err = device_register(&dev->dev); if (err) { - printk(KERN_ERR "Failed to register master device. err=%d\n", err); + pr_err("Failed to register master device. err=%d\n", err); memset(dev, 0, sizeof(struct w1_master)); kfree(dev); dev = NULL; @@ -116,13 +115,13 @@ int w1_add_master_device(struct w1_bus_master *master) struct w1_netlink_msg msg; int id, found; - /* validate minimum functionality */ - if (!(master->touch_bit && master->reset_bus) && - !(master->write_bit && master->read_bit) && + /* validate minimum functionality */ + if (!(master->touch_bit && master->reset_bus) && + !(master->write_bit && master->read_bit) && !(master->write_byte && master->read_byte && master->reset_bus)) { - printk(KERN_ERR "w1_add_master_device: invalid function set\n"); + pr_err("w1_add_master_device: invalid function set\n"); return(-EINVAL); - } + } /* Lock until the device is added (or not) to w1_masters. */ mutex_lock(&w1_mlock); @@ -254,7 +253,7 @@ void w1_remove_master_device(struct w1_bus_master *bm) } if (!found) { - printk(KERN_ERR "Device doesn't exist.\n"); + pr_err("Device doesn't exist.\n"); return; } diff --git a/drivers/w1/w1_log.h b/drivers/w1/w1_log.h index 9c7bd62e6bdc..f9eecff23b8d 100644 --- a/drivers/w1/w1_log.h +++ b/drivers/w1/w1_log.h @@ -29,8 +29,8 @@ #else # define assert(expr) \ if(unlikely(!(expr))) { \ - printk(KERN_ERR "Assertion failed! %s,%s,%s,line=%d\n", \ - #expr, __FILE__, __func__, __LINE__); \ + pr_err("Assertion failed! %s,%s,%s,line=%d\n", \ + #expr, __FILE__, __func__, __LINE__); \ } #endif diff --git a/drivers/w1/w1_netlink.c b/drivers/w1/w1_netlink.c index 351a2978ba72..dd9656237274 100644 --- a/drivers/w1/w1_netlink.c +++ b/drivers/w1/w1_netlink.c @@ -680,8 +680,7 @@ static void w1_cn_callback(struct cn_msg *cn, struct netlink_skb_parms *nsp) if (sl) dev = sl->master; } else { - printk(KERN_NOTICE - "%s: cn: %x.%x, wrong type: %u, len: %u.\n", + pr_notice("%s: cn: %x.%x, wrong type: %u, len: %u.\n", __func__, cn->id.idx, cn->id.val, msg->type, msg->len); err = -EPROTO; |