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staging: kpc2000: export more device attributes via sysfs.

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Added more read-only device attributes in order to expose all the
information about the hardware which is available by calling read() or
ioct() on the misc device associated with it.

Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jeremy Sowden 2019-05-31 11:52:30 +01:00 committed by Greg Kroah-Hartman
parent 23004ec330
commit eb1a5c6472
1 changed files with 57 additions and 0 deletions
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57
drivers/staging/kpc2000/kpc2000/core.c
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@ -127,6 +127,58 @@ static ssize_t cpld_reconfigure(struct device *dev,
}
static DEVICE_ATTR(cpld_reconfigure, 0220, NULL, cpld_reconfigure);
static ssize_t irq_mask_reg_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct kp2000_device *pcard = dev_get_drvdata(dev);
u64 val;
val = readq(pcard->sysinfo_regs_base + REG_INTERRUPT_MASK);
return sprintf(buf, "%016llx\n", val);
}
static DEVICE_ATTR_RO(irq_mask_reg);
static ssize_t irq_active_reg_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct kp2000_device *pcard = dev_get_drvdata(dev);
u64 val;
val = readq(pcard->sysinfo_regs_base + REG_INTERRUPT_ACTIVE);
return sprintf(buf, "%016llx\n", val);
}
static DEVICE_ATTR_RO(irq_active_reg);
static ssize_t pcie_error_count_reg_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct kp2000_device *pcard = dev_get_drvdata(dev);
u64 val;
val = readq(pcard->sysinfo_regs_base + REG_PCIE_ERROR_COUNT);
return sprintf(buf, "%016llx\n", val);
}
static DEVICE_ATTR_RO(pcie_error_count_reg);
static ssize_t core_table_offset_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct kp2000_device *pcard = dev_get_drvdata(dev);
return sprintf(buf, "%08x\n", pcard->core_table_offset);
}
static DEVICE_ATTR_RO(core_table_offset);
static ssize_t core_table_length_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct kp2000_device *pcard = dev_get_drvdata(dev);
return sprintf(buf, "%08x\n", pcard->core_table_length);
}
static DEVICE_ATTR_RO(core_table_length);
static const struct attribute *kp_attr_list[] = {
&dev_attr_ssid.attr,
&dev_attr_ddna.attr,
@ -137,6 +189,11 @@ static const struct attribute *kp_attr_list[] = {
&dev_attr_build_time.attr,
&dev_attr_cpld_reg.attr,
&dev_attr_cpld_reconfigure.attr,
&dev_attr_irq_mask_reg.attr,
&dev_attr_irq_active_reg.attr,
&dev_attr_pcie_error_count_reg.attr,
&dev_attr_core_table_offset.attr,
&dev_attr_core_table_length.attr,
NULL,
};