2 files changed, 46 insertions, 5 deletions

diff --git a/drivers/staging/ti-st/st_kim.c b/drivers/staging/ti-st/st_kim.c
index cfba5f88abe..d015ad3c460 100644
--- a/drivers/staging/ti-st/st_kim.c
+++ b/drivers/staging/ti-st/st_kim.c
@@ -56,12 +56,13 @@ static struct platform_driver kim_platform_driver = {
 };
 
 static ssize_t show_pid(struct device *dev, struct device_attribute
-                        *attr, char *buf);
+                *attr, char *buf);
 static ssize_t store_pid(struct device *dev, struct device_attribute
-                         *devattr, char *buf, size_t count);
+                *devattr, char *buf, size_t count);
 static ssize_t show_list(struct device *dev, struct device_attribute
-                         *attr, char *buf);
-
+                *attr, char *buf);
+static ssize_t show_version(struct device *dev, struct device_attribute
+                *attr, char *buf);
 /* structures specific for sysfs entries */
 static struct kobj_attribute pid_attr =
 __ATTR(pid, 0644, (void *)show_pid, (void *)store_pid);
@@ -69,10 +70,14 @@ __ATTR(pid, 0644, (void *)show_pid, (void *)store_pid);
 static struct kobj_attribute list_protocols =
 __ATTR(protocols, 0444, (void *)show_list, NULL);
 
+static struct kobj_attribute chip_version =
+__ATTR(version, 0444, (void *)show_version, NULL);
+
 static struct attribute *uim_attrs[] = {
         &pid_attr.attr,
         /* add more debug sysfs entries */
         &list_protocols.attr,
+        &chip_version.attr,
         NULL,
 };
 
@@ -251,7 +256,8 @@ static long read_local_version(char *bts_scr_name)
         }
 
         version =
-            MAKEWORD(kim_gdata->resp_buffer[13], kim_gdata->resp_buffer[14]);
+                MAKEWORD(kim_gdata->resp_buffer[13],
+                                kim_gdata->resp_buffer[14]);
         chip = (version & 0x7C00) >> 10;
         min_ver = (version & 0x007F);
         maj_ver = (version & 0x0380) >> 7;
@@ -260,6 +266,13 @@ static long read_local_version(char *bts_scr_name)
                 maj_ver |= 0x0008;
 
         sprintf(bts_scr_name, "TIInit_%d.%d.%d.bts", chip, maj_ver, min_ver);
+
+        /* to be accessed later via sysfs entry */
+        kim_gdata->version.full = version;
+        kim_gdata->version.chip = chip;
+        kim_gdata->version.maj_ver = maj_ver;
+        kim_gdata->version.min_ver = min_ver;
+
         pr_info("%s", bts_scr_name);
         return ST_SUCCESS;
 }
@@ -516,6 +529,16 @@ long st_kim_stop(void)
 
 /**********************************************************************/
 /* functions called from subsystems */
+/* called when sysfs entry is read from */
+
+static ssize_t show_version(struct device *dev, struct device_attribute
+                *attr, char *buf)
+{
+        sprintf(buf, "%04X %d.%d.%d", kim_gdata->version.full,
+                        kim_gdata->version.chip, kim_gdata->version.maj_ver,
+                        kim_gdata->version.min_ver);
+        return strlen(buf);
+}
 
 /* called when sysfs entry is written to */
 static ssize_t store_pid(struct device *dev, struct device_attribute
@@ -656,6 +679,12 @@ static int kim_probe(struct platform_device *pdev)
                 }
                 pr_info("rfkill entry created for %ld", gpios[proto]);
         }
+
+        if (sysfs_create_group(&pdev->dev.kobj, &uim_attr_grp)) {
+                pr_err(" sysfs entry creation failed");
+                return -1;
+        }
+        pr_info(" sysfs entries created ");
         return ST_SUCCESS;
 }
 
@@ -676,6 +705,7 @@ static int kim_remove(struct platform_device *pdev)
                 kim_gdata->rfkill[proto] = NULL;
         }
         pr_info("kim: GPIO Freed");
+        sysfs_remove_group(&pdev->dev.kobj, &uim_attr_grp);
         kim_gdata->kim_pdev = NULL;
         st_core_exit(kim_gdata->core_data);
         return ST_SUCCESS;
diff --git a/drivers/staging/ti-st/st_kim.h b/drivers/staging/ti-st/st_kim.h
index 49c42aedb45..a5ea8d7c680 100644
--- a/drivers/staging/ti-st/st_kim.h
+++ b/drivers/staging/ti-st/st_kim.h
@@ -48,6 +48,16 @@
  * devices are created for the 3 gpios
  * that ST has requested
  */
+
+/* chip version storage
+ */
+struct chip_version {
+        unsigned short full;
+        unsigned short chip;
+        unsigned short min_ver;
+        unsigned short maj_ver;
+};
+
 /*
  * header file for ST provided by KIM
  */
@@ -66,6 +76,7 @@ struct kim_data_s {
         struct rfkill *rfkill[ST_MAX];
         enum proto_type rf_protos[ST_MAX];
         struct st_data_s *core_data;
+        struct chip_version version;
 };
 
 long st_kim_start(void);