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| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
| commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
| tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /drivers/sh/superhyway/superhyway-sysfs.c | |
Initial import
Diffstat (limited to 'drivers/sh/superhyway/superhyway-sysfs.c')
| -rw-r--r-- | drivers/sh/superhyway/superhyway-sysfs.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/sh/superhyway/superhyway-sysfs.c b/drivers/sh/superhyway/superhyway-sysfs.c new file mode 100644 index 000000000..554343308 --- /dev/null +++ b/drivers/sh/superhyway/superhyway-sysfs.c @@ -0,0 +1,45 @@ +/* + * drivers/sh/superhyway/superhyway-sysfs.c + * + * SuperHyway Bus sysfs interface + * + * Copyright (C) 2004, 2005 Paul Mundt <lethal@linux-sh.org> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#include <linux/kernel.h> +#include <linux/device.h> +#include <linux/types.h> +#include <linux/superhyway.h> + +#define superhyway_ro_attr(name, fmt, field) \ +static ssize_t name##_show(struct device *dev, struct device_attribute *attr, char *buf) \ +{ \ + struct superhyway_device *s = to_superhyway_device(dev); \ + return sprintf(buf, fmt, s->field); \ +} + +/* VCR flags */ +superhyway_ro_attr(perr_flags, "0x%02x\n", vcr.perr_flags); +superhyway_ro_attr(merr_flags, "0x%02x\n", vcr.merr_flags); +superhyway_ro_attr(mod_vers, "0x%04x\n", vcr.mod_vers); +superhyway_ro_attr(mod_id, "0x%04x\n", vcr.mod_id); +superhyway_ro_attr(bot_mb, "0x%02x\n", vcr.bot_mb); +superhyway_ro_attr(top_mb, "0x%02x\n", vcr.top_mb); + +/* Misc */ +superhyway_ro_attr(resource, "0x%08lx\n", resource[0].start); + +struct device_attribute superhyway_dev_attrs[] = { + __ATTR_RO(perr_flags), + __ATTR_RO(merr_flags), + __ATTR_RO(mod_vers), + __ATTR_RO(mod_id), + __ATTR_RO(bot_mb), + __ATTR_RO(top_mb), + __ATTR_RO(resource), + __ATTR_NULL, +}; + |