staging: kpc2000: export more device attributes via sysfs.

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>

diff --git a/drivers/staging/kpc2000/kpc2000/core.c b/drivers/staging/kpc2000/kpc2000/core.c
index a84cf82..4d6a443 100644 (file)
--- a/drivers/staging/kpc2000/kpc2000/core.c
+++ b/drivers/staging/kpc2000/kpc2000/core.c
@@ -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,
 };