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| author | Pavan Savoy <pavan_savoy@ti.com> | 2011-12-15 10:38:22 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2012-01-04 15:21:04 -0800 |
| commit | 933aae54bea7d032023a59e0b3261b612f8065e0 (patch) | |
| tree | e6c490bc4edf4b938e6afcf9ea091da60ad74b58 /drivers/misc | |
| parent | 18ccecf99aa22bd0938893614ce3dceca39d98e2 (diff) | |
| download | linux-933aae54bea7d032023a59e0b3261b612f8065e0.tar.bz2 | |
drivers:misc: ti-st: DEBUG uart, baud rate mods
To debug different UARTs at different baud-rates connected to the WiLink
connectivity combo-chipset, this patch enables the debugging code so that upon
boot different UARTs at different baud-rates can be tried out to verify the
interface with WiLink.
Signed-off-by: Pavan Savoy <pavan_savoy@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/ti-st/st_kim.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/misc/ti-st/st_kim.c b/drivers/misc/ti-st/st_kim.c index bc8a5718c0d7..a7a861ceee2d 100644 --- a/drivers/misc/ti-st/st_kim.c +++ b/drivers/misc/ti-st/st_kim.c @@ -573,6 +573,28 @@ static ssize_t show_install(struct device *dev, return sprintf(buf, "%d\n", kim_data->ldisc_install); } +#ifdef DEBUG +static ssize_t store_dev_name(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct kim_data_s *kim_data = dev_get_drvdata(dev); + pr_debug("storing dev name >%s<", buf); + strncpy(kim_data->dev_name, buf, count); + pr_debug("stored dev name >%s<", kim_data->dev_name); + return count; +} + +static ssize_t store_baud_rate(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct kim_data_s *kim_data = dev_get_drvdata(dev); + pr_debug("storing baud rate >%s<", buf); + sscanf(buf, "%ld", &kim_data->baud_rate); + pr_debug("stored baud rate >%ld<", kim_data->baud_rate); + return count; +} +#endif /* if DEBUG */ + static ssize_t show_dev_name(struct device *dev, struct device_attribute *attr, char *buf) { @@ -599,10 +621,18 @@ static struct kobj_attribute ldisc_install = __ATTR(install, 0444, (void *)show_install, NULL); static struct kobj_attribute uart_dev_name = +#ifdef DEBUG /* TODO: move this to debug-fs if possible */ +__ATTR(dev_name, 0644, (void *)show_dev_name, (void *)store_dev_name); +#else __ATTR(dev_name, 0444, (void *)show_dev_name, NULL); +#endif static struct kobj_attribute uart_baud_rate = +#ifdef DEBUG /* TODO: move to debugfs */ +__ATTR(baud_rate, 0644, (void *)show_baud_rate, (void *)store_baud_rate); +#else __ATTR(baud_rate, 0444, (void *)show_baud_rate, NULL); +#endif static struct kobj_attribute uart_flow_cntrl = __ATTR(flow_cntrl, 0444, (void *)show_flow_cntrl, NULL); |