diff options
Diffstat (limited to 'drivers/staging/dgnc/dgnc_sysfs.c')
| -rw-r--r-- | drivers/staging/dgnc/dgnc_sysfs.c | 95 |
1 files changed, 32 insertions, 63 deletions
diff --git a/drivers/staging/dgnc/dgnc_sysfs.c b/drivers/staging/dgnc/dgnc_sysfs.c index 44db8703eba4..74a072599126 100644 --- a/drivers/staging/dgnc/dgnc_sysfs.c +++ b/drivers/staging/dgnc/dgnc_sysfs.c @@ -13,7 +13,6 @@ * PURPOSE. See the GNU General Public License for more details. */ - #include <linux/kernel.h> #include <linux/module.h> #include <linux/ctype.h> @@ -26,28 +25,24 @@ #include "dgnc_driver.h" #include "dgnc_mgmt.h" - static ssize_t dgnc_driver_version_show(struct device_driver *ddp, char *buf) { return snprintf(buf, PAGE_SIZE, "%s\n", DG_PART); } static DRIVER_ATTR(version, S_IRUSR, dgnc_driver_version_show, NULL); - static ssize_t dgnc_driver_boards_show(struct device_driver *ddp, char *buf) { return snprintf(buf, PAGE_SIZE, "%d\n", dgnc_NumBoards); } static DRIVER_ATTR(boards, S_IRUSR, dgnc_driver_boards_show, NULL); - static ssize_t dgnc_driver_maxboards_show(struct device_driver *ddp, char *buf) { return snprintf(buf, PAGE_SIZE, "%d\n", MAXBOARDS); } static DRIVER_ATTR(maxboards, S_IRUSR, dgnc_driver_maxboards_show, NULL); - static ssize_t dgnc_driver_pollrate_show(struct device_driver *ddp, char *buf) { return snprintf(buf, PAGE_SIZE, "%dms\n", dgnc_poll_tick); @@ -56,17 +51,23 @@ static ssize_t dgnc_driver_pollrate_show(struct device_driver *ddp, char *buf) static ssize_t dgnc_driver_pollrate_store(struct device_driver *ddp, const char *buf, size_t count) { + unsigned long flags; + int tick; int ret; - ret = sscanf(buf, "%d\n", &dgnc_poll_tick); + ret = sscanf(buf, "%d\n", &tick); if (ret != 1) return -EINVAL; + + spin_lock_irqsave(&dgnc_poll_lock, flags); + dgnc_poll_tick = tick; + spin_unlock_irqrestore(&dgnc_poll_lock, flags); + return count; } static DRIVER_ATTR(pollrate, (S_IRUSR | S_IWUSR), dgnc_driver_pollrate_show, dgnc_driver_pollrate_store); - void dgnc_create_driver_sysfiles(struct pci_driver *dgnc_driver) { int rc = 0; @@ -80,7 +81,6 @@ void dgnc_create_driver_sysfiles(struct pci_driver *dgnc_driver) pr_err("DGNC: sysfs driver_create_file failed!\n"); } - void dgnc_remove_driver_sysfiles(struct pci_driver *dgnc_driver) { struct device_driver *driverfs = &dgnc_driver->driver; @@ -91,7 +91,6 @@ void dgnc_remove_driver_sysfiles(struct pci_driver *dgnc_driver) driver_remove_file(driverfs, &driver_attr_pollrate); } - #define DGNC_VERIFY_BOARD(p, bd) \ do { \ if (!p) \ @@ -104,8 +103,6 @@ void dgnc_remove_driver_sysfiles(struct pci_driver *dgnc_driver) return 0; \ } while (0) - - static ssize_t dgnc_vpd_show(struct device *p, struct device_attribute *attr, char *buf) { @@ -145,7 +142,6 @@ static ssize_t dgnc_serial_number_show(struct device *p, } static DEVICE_ATTR(serial_number, S_IRUSR, dgnc_serial_number_show, NULL); - static ssize_t dgnc_ports_state_show(struct device *p, struct device_attribute *attr, char *buf) { @@ -164,7 +160,6 @@ static ssize_t dgnc_ports_state_show(struct device *p, } static DEVICE_ATTR(ports_state, S_IRUSR, dgnc_ports_state_show, NULL); - static ssize_t dgnc_ports_baud_show(struct device *p, struct device_attribute *attr, char *buf) { @@ -183,7 +178,6 @@ static ssize_t dgnc_ports_baud_show(struct device *p, } static DEVICE_ATTR(ports_baud, S_IRUSR, dgnc_ports_baud_show, NULL); - static ssize_t dgnc_ports_msignals_show(struct device *p, struct device_attribute *attr, char *buf) @@ -214,7 +208,6 @@ static ssize_t dgnc_ports_msignals_show(struct device *p, } static DEVICE_ATTR(ports_msignals, S_IRUSR, dgnc_ports_msignals_show, NULL); - static ssize_t dgnc_ports_iflag_show(struct device *p, struct device_attribute *attr, char *buf) { @@ -233,7 +226,6 @@ static ssize_t dgnc_ports_iflag_show(struct device *p, } static DEVICE_ATTR(ports_iflag, S_IRUSR, dgnc_ports_iflag_show, NULL); - static ssize_t dgnc_ports_cflag_show(struct device *p, struct device_attribute *attr, char *buf) { @@ -252,7 +244,6 @@ static ssize_t dgnc_ports_cflag_show(struct device *p, } static DEVICE_ATTR(ports_cflag, S_IRUSR, dgnc_ports_cflag_show, NULL); - static ssize_t dgnc_ports_oflag_show(struct device *p, struct device_attribute *attr, char *buf) { @@ -271,7 +262,6 @@ static ssize_t dgnc_ports_oflag_show(struct device *p, } static DEVICE_ATTR(ports_oflag, S_IRUSR, dgnc_ports_oflag_show, NULL); - static ssize_t dgnc_ports_lflag_show(struct device *p, struct device_attribute *attr, char *buf) { @@ -290,7 +280,6 @@ static ssize_t dgnc_ports_lflag_show(struct device *p, } static DEVICE_ATTR(ports_lflag, S_IRUSR, dgnc_ports_lflag_show, NULL); - static ssize_t dgnc_ports_digi_flag_show(struct device *p, struct device_attribute *attr, char *buf) @@ -310,7 +299,6 @@ static ssize_t dgnc_ports_digi_flag_show(struct device *p, } static DEVICE_ATTR(ports_digi_flag, S_IRUSR, dgnc_ports_digi_flag_show, NULL); - static ssize_t dgnc_ports_rxcount_show(struct device *p, struct device_attribute *attr, char *buf) { @@ -329,7 +317,6 @@ static ssize_t dgnc_ports_rxcount_show(struct device *p, } static DEVICE_ATTR(ports_rxcount, S_IRUSR, dgnc_ports_rxcount_show, NULL); - static ssize_t dgnc_ports_txcount_show(struct device *p, struct device_attribute *attr, char *buf) { @@ -348,7 +335,6 @@ static ssize_t dgnc_ports_txcount_show(struct device *p, } static DEVICE_ATTR(ports_txcount, S_IRUSR, dgnc_ports_txcount_show, NULL); - /* this function creates the sys files that will export each signal status * to sysfs each value will be put in a separate filename */ @@ -357,41 +343,39 @@ void dgnc_create_ports_sysfiles(struct dgnc_board *bd) int rc = 0; dev_set_drvdata(&bd->pdev->dev, bd); - rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_state); - rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_baud); - rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_msignals); - rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_iflag); - rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_cflag); - rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_oflag); - rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_lflag); - rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_digi_flag); - rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_rxcount); - rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_txcount); - rc |= device_create_file(&(bd->pdev->dev), &dev_attr_vpd); - rc |= device_create_file(&(bd->pdev->dev), &dev_attr_serial_number); + rc |= device_create_file(&bd->pdev->dev, &dev_attr_ports_state); + rc |= device_create_file(&bd->pdev->dev, &dev_attr_ports_baud); + rc |= device_create_file(&bd->pdev->dev, &dev_attr_ports_msignals); + rc |= device_create_file(&bd->pdev->dev, &dev_attr_ports_iflag); + rc |= device_create_file(&bd->pdev->dev, &dev_attr_ports_cflag); + rc |= device_create_file(&bd->pdev->dev, &dev_attr_ports_oflag); + rc |= device_create_file(&bd->pdev->dev, &dev_attr_ports_lflag); + rc |= device_create_file(&bd->pdev->dev, &dev_attr_ports_digi_flag); + rc |= device_create_file(&bd->pdev->dev, &dev_attr_ports_rxcount); + rc |= device_create_file(&bd->pdev->dev, &dev_attr_ports_txcount); + rc |= device_create_file(&bd->pdev->dev, &dev_attr_vpd); + rc |= device_create_file(&bd->pdev->dev, &dev_attr_serial_number); if (rc) dev_err(&bd->pdev->dev, "dgnc: sysfs device_create_file failed!\n"); } - /* removes all the sys files created for that port */ void dgnc_remove_ports_sysfiles(struct dgnc_board *bd) { - device_remove_file(&(bd->pdev->dev), &dev_attr_ports_state); - device_remove_file(&(bd->pdev->dev), &dev_attr_ports_baud); - device_remove_file(&(bd->pdev->dev), &dev_attr_ports_msignals); - device_remove_file(&(bd->pdev->dev), &dev_attr_ports_iflag); - device_remove_file(&(bd->pdev->dev), &dev_attr_ports_cflag); - device_remove_file(&(bd->pdev->dev), &dev_attr_ports_oflag); - device_remove_file(&(bd->pdev->dev), &dev_attr_ports_lflag); - device_remove_file(&(bd->pdev->dev), &dev_attr_ports_digi_flag); - device_remove_file(&(bd->pdev->dev), &dev_attr_ports_rxcount); - device_remove_file(&(bd->pdev->dev), &dev_attr_ports_txcount); - device_remove_file(&(bd->pdev->dev), &dev_attr_vpd); - device_remove_file(&(bd->pdev->dev), &dev_attr_serial_number); + device_remove_file(&bd->pdev->dev, &dev_attr_ports_state); + device_remove_file(&bd->pdev->dev, &dev_attr_ports_baud); + device_remove_file(&bd->pdev->dev, &dev_attr_ports_msignals); + device_remove_file(&bd->pdev->dev, &dev_attr_ports_iflag); + device_remove_file(&bd->pdev->dev, &dev_attr_ports_cflag); + device_remove_file(&bd->pdev->dev, &dev_attr_ports_oflag); + device_remove_file(&bd->pdev->dev, &dev_attr_ports_lflag); + device_remove_file(&bd->pdev->dev, &dev_attr_ports_digi_flag); + device_remove_file(&bd->pdev->dev, &dev_attr_ports_rxcount); + device_remove_file(&bd->pdev->dev, &dev_attr_ports_txcount); + device_remove_file(&bd->pdev->dev, &dev_attr_vpd); + device_remove_file(&bd->pdev->dev, &dev_attr_serial_number); } - static ssize_t dgnc_tty_state_show(struct device *d, struct device_attribute *attr, char *buf) { @@ -418,7 +402,6 @@ static ssize_t dgnc_tty_state_show(struct device *d, } static DEVICE_ATTR(state, S_IRUSR, dgnc_tty_state_show, NULL); - static ssize_t dgnc_tty_baud_show(struct device *d, struct device_attribute *attr, char *buf) { @@ -444,7 +427,6 @@ static ssize_t dgnc_tty_baud_show(struct device *d, } static DEVICE_ATTR(baud, S_IRUSR, dgnc_tty_baud_show, NULL); - static ssize_t dgnc_tty_msignals_show(struct device *d, struct device_attribute *attr, char *buf) { @@ -479,7 +461,6 @@ static ssize_t dgnc_tty_msignals_show(struct device *d, } static DEVICE_ATTR(msignals, S_IRUSR, dgnc_tty_msignals_show, NULL); - static ssize_t dgnc_tty_iflag_show(struct device *d, struct device_attribute *attr, char *buf) { @@ -505,7 +486,6 @@ static ssize_t dgnc_tty_iflag_show(struct device *d, } static DEVICE_ATTR(iflag, S_IRUSR, dgnc_tty_iflag_show, NULL); - static ssize_t dgnc_tty_cflag_show(struct device *d, struct device_attribute *attr, char *buf) { @@ -531,7 +511,6 @@ static ssize_t dgnc_tty_cflag_show(struct device *d, } static DEVICE_ATTR(cflag, S_IRUSR, dgnc_tty_cflag_show, NULL); - static ssize_t dgnc_tty_oflag_show(struct device *d, struct device_attribute *attr, char *buf) { @@ -557,7 +536,6 @@ static ssize_t dgnc_tty_oflag_show(struct device *d, } static DEVICE_ATTR(oflag, S_IRUSR, dgnc_tty_oflag_show, NULL); - static ssize_t dgnc_tty_lflag_show(struct device *d, struct device_attribute *attr, char *buf) { @@ -583,7 +561,6 @@ static ssize_t dgnc_tty_lflag_show(struct device *d, } static DEVICE_ATTR(lflag, S_IRUSR, dgnc_tty_lflag_show, NULL); - static ssize_t dgnc_tty_digi_flag_show(struct device *d, struct device_attribute *attr, char *buf) { @@ -609,7 +586,6 @@ static ssize_t dgnc_tty_digi_flag_show(struct device *d, } static DEVICE_ATTR(digi_flag, S_IRUSR, dgnc_tty_digi_flag_show, NULL); - static ssize_t dgnc_tty_rxcount_show(struct device *d, struct device_attribute *attr, char *buf) { @@ -635,7 +611,6 @@ static ssize_t dgnc_tty_rxcount_show(struct device *d, } static DEVICE_ATTR(rxcount, S_IRUSR, dgnc_tty_rxcount_show, NULL); - static ssize_t dgnc_tty_txcount_show(struct device *d, struct device_attribute *attr, char *buf) { @@ -661,7 +636,6 @@ static ssize_t dgnc_tty_txcount_show(struct device *d, } static DEVICE_ATTR(txcount, S_IRUSR, dgnc_tty_txcount_show, NULL); - static ssize_t dgnc_tty_name_show(struct device *d, struct device_attribute *attr, char *buf) { @@ -689,7 +663,6 @@ static ssize_t dgnc_tty_name_show(struct device *d, } static DEVICE_ATTR(custom_name, S_IRUSR, dgnc_tty_name_show, NULL); - static struct attribute *dgnc_sysfs_tty_entries[] = { &dev_attr_state.attr, &dev_attr_baud.attr, @@ -705,13 +678,11 @@ static struct attribute *dgnc_sysfs_tty_entries[] = { NULL }; - static struct attribute_group dgnc_tty_attribute_group = { .name = NULL, .attrs = dgnc_sysfs_tty_entries, }; - void dgnc_create_tty_sysfs(struct un_t *un, struct device *c) { int ret; @@ -724,10 +695,8 @@ void dgnc_create_tty_sysfs(struct un_t *un, struct device *c) } dev_set_drvdata(c, un); - } - void dgnc_remove_tty_sysfs(struct device *c) { sysfs_remove_group(&c->kobj, &dgnc_tty_attribute_group); |