diff mbox series

[v1,net-next,1/2] net: mscc: ocelot: remove unnecessary variable

Message ID 20220430232327.4091825-2-colin.foster@in-advantage.com (mailing list archive)
State Accepted
Commit 05e4ed1ce585637958c8ad6121999dc3109633ad
Delegated to: Netdev Maintainers
Headers show
Series ocelot stats improvement | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers success CCed 5 of 5 maintainers
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 24 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Colin Foster April 30, 2022, 11:23 p.m. UTC
Commit 2f187bfa6f35 ("net: ethernet: ocelot: remove the need for num_stats
initializer") added a flags field to the ocelot stats structure. The same
behavior can be achieved without this additional field taking up extra
memory.

Remove this structure element to free up RAM

Suggested-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Colin Foster <colin.foster@in-advantage.com>
---
 include/soc/mscc/ocelot.h | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

Comments

Vladimir Oltean May 1, 2022, 11:08 a.m. UTC | #1
On Sat, Apr 30, 2022 at 04:23:26PM -0700, Colin Foster wrote:
> Commit 2f187bfa6f35 ("net: ethernet: ocelot: remove the need for num_stats
> initializer") added a flags field to the ocelot stats structure. The same
> behavior can be achieved without this additional field taking up extra
> memory.
> 
> Remove this structure element to free up RAM
> 
> Suggested-by: Vladimir Oltean <vladimir.oltean@nxp.com>
> Signed-off-by: Colin Foster <colin.foster@in-advantage.com>
> ---

Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Tested-by: Vladimir Oltean <vladimir.oltean@nxp.com>
diff mbox series

Patch

diff --git a/include/soc/mscc/ocelot.h b/include/soc/mscc/ocelot.h
index 5c4f57cfa785..75739766244b 100644
--- a/include/soc/mscc/ocelot.h
+++ b/include/soc/mscc/ocelot.h
@@ -105,11 +105,9 @@ 
 #define REG_RESERVED_ADDR		0xffffffff
 #define REG_RESERVED(reg)		REG(reg, REG_RESERVED_ADDR)
 
-#define OCELOT_STAT_FLAG_END		BIT(0)
-
 #define for_each_stat(ocelot, stat)				\
 	for ((stat) = ocelot->stats_layout;			\
-	     !((stat)->flags & OCELOT_STAT_FLAG_END);		\
+	     ((stat)->name[0] != '\0');				\
 	     (stat)++)
 
 enum ocelot_target {
@@ -542,11 +540,10 @@  enum ocelot_ptp_pins {
 
 struct ocelot_stat_layout {
 	u32 offset;
-	u32 flags;
 	char name[ETH_GSTRING_LEN];
 };
 
-#define OCELOT_STAT_END { .flags = OCELOT_STAT_FLAG_END }
+#define OCELOT_STAT_END { .name = "" }
 
 struct ocelot_stats_region {
 	struct list_head node;