staging: gasket: page table: convert various logs to debug level

Debugging information is improperly logged at non-debug log level in a
number of places, and some logs regarding error conditions may be
generated too frequently, such that these could cause performance
problems and/or obscure other logs.  Convert these to debug log level.

Signed-off-by: Zhongze Hu <frankhu@chromium.org>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/gasket/gasket_page_table.c b/drivers/staging/gasket/gasket_page_table.c
index 9f81161..f0c4884 100644 (file)
--- a/drivers/staging/gasket/gasket_page_table.c
+++ b/drivers/staging/gasket/gasket_page_table.c
@@ -306,7 +306,7 @@ int gasket_page_table_init(
         * hardware register that contains the page table size.
         */
        if (total_entries == ULONG_MAX) {
-               gasket_nodev_error(
+               gasket_nodev_debug(
                        "Error reading page table size. "
                        "Initializing page table with size 0.");
                total_entries = 0;
@@ -323,7 +323,7 @@ int gasket_page_table_init(
 
        *ppg_tbl = kzalloc(sizeof(**ppg_tbl), GFP_KERNEL);
        if (!*ppg_tbl) {
-               gasket_nodev_error("No memory for page table.");
+               gasket_nodev_debug("No memory for page table.");
                return -ENOMEM;
        }
 
@@ -332,7 +332,7 @@ int gasket_page_table_init(
        if (bytes != 0) {
                pg_tbl->entries = vmalloc(bytes);
                if (!pg_tbl->entries) {
-                       gasket_nodev_error(
+                       gasket_nodev_debug(
                                "No memory for address translation metadata.");
                        kfree(pg_tbl);
                        *ppg_tbl = NULL;
@@ -658,7 +658,7 @@ int gasket_page_table_system_status(struct gasket_page_table *page_table)
        }
 
        if (gasket_page_table_num_entries(page_table) == 0) {
-               gasket_nodev_error("Page table size is 0.");
+               gasket_nodev_debug("Page table size is 0.");
                return GASKET_STATUS_LAMED;
        }
 
@@ -903,7 +903,7 @@ static int gasket_perform_mapping(
                                (unsigned long long)ptes[i].dma_addr);
 
                        if (ptes[i].dma_addr == -1) {
-                               gasket_nodev_error(
+                               gasket_nodev_debug(
                                        "%s i %d"
                                        " -> fail to map page %llx "
                                        "[pfn %p ohys %p]\n",
@@ -1612,7 +1612,7 @@ int gasket_set_user_virt(
         */
        pg_tbl = gasket_dev->page_table[0];
        if (!pg_tbl) {
-               gasket_nodev_error(
+               gasket_nodev_debug(
                        "%s: invalid page table index", __func__);
                return 0;
        }