powerpc/powernv: Improve error messages in dump code

Presently we only support initiating Service Processor dump from host.
Hence update sysfs message. Also update couple of other error/info
messages.

Signed-off-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

diff --git a/arch/powerpc/platforms/powernv/opal-dump.c b/arch/powerpc/platforms/powernv/opal-dump.c
index 85bb8ff..3b81995 100644 (file)
--- a/arch/powerpc/platforms/powernv/opal-dump.c
+++ b/arch/powerpc/platforms/powernv/opal-dump.c
@@ -112,7 +112,7 @@ static ssize_t init_dump_show(struct dump_obj *dump_obj,
                              struct dump_attribute *attr,
                              char *buf)
 {
-       return sprintf(buf, "1 - initiate dump\n");
+       return sprintf(buf, "1 - initiate Service Processor(FSP) dump\n");
 }
 
 static int64_t dump_fips_init(uint8_t type)
@@ -121,7 +121,7 @@ static int64_t dump_fips_init(uint8_t type)
 
        rc = opal_dump_init(type);
        if (rc)
-               pr_warn("%s: Failed to initiate FipS dump (%d)\n",
+               pr_warn("%s: Failed to initiate FSP dump (%d)\n",
                        __func__, rc);
        return rc;
 }
@@ -131,8 +131,12 @@ static ssize_t init_dump_store(struct dump_obj *dump_obj,
                               const char *buf,
                               size_t count)
 {
-       dump_fips_init(DUMP_TYPE_FSP);
-       pr_info("%s: Initiated FSP dump\n", __func__);
+       int rc;
+
+       rc = dump_fips_init(DUMP_TYPE_FSP);
+       if (rc == OPAL_SUCCESS)
+               pr_info("%s: Initiated FSP dump\n", __func__);
+
        return count;
 }
 
@@ -297,7 +301,7 @@ static ssize_t dump_attr_read(struct file *filep, struct kobject *kobj,
                         * and rely on userspace to ask us to try
                         * again.
                         */
-                       pr_info("%s: Platform dump partially read.ID = 0x%x\n",
+                       pr_info("%s: Platform dump partially read. ID = 0x%x\n",
                                __func__, dump->id);
                        return -EIO;
                }