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Subject: media: cxd2820r: make arrays tab static const, makes object smaller
Author: Colin Ian King <colin.k...@canonical.com>
Date: Thu Sep 5 14:57:26 2019 -0300
Don't populate the array tab on the stack but instead make it
static const. Makes the object size smaller by 170 bytes in total.
Before:
text data bss dec hex filename
7045 1736 0 8781 224d media/dvb-frontends/cxd2820r_c.o
8800 2216 0 11016 2b08 media/dvb-frontends/cxd2820r_t.o
8981 2120 0 11101 2b5d media/dvb-frontends/cxd2820r_t2.o
After:
text data bss dec hex filename
6896 1832 0 8728 2218 media/dvb-frontends/cxd2820r_c.o
8651 2312 0 10963 2ad3 media/dvb-frontends/cxd2820r_t.o
8853 2184 0 11037 2b1d media/dvb-frontends/cxd2820r_t2.o
(gcc version 9.2.1, amd64)
Signed-off-by: Colin Ian King <colin.k...@canonical.com>
Signed-off-by: Sean Young <s...@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+sams...@kernel.org>
drivers/media/dvb-frontends/cxd2820r_c.c | 2 +-
drivers/media/dvb-frontends/cxd2820r_t.c | 2 +-
drivers/media/dvb-frontends/cxd2820r_t2.c | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/drivers/media/dvb-frontends/cxd2820r_c.c
b/drivers/media/dvb-frontends/cxd2820r_c.c
index 6f7eedb4c00e..0ba382948c51 100644
--- a/drivers/media/dvb-frontends/cxd2820r_c.c
+++ b/drivers/media/dvb-frontends/cxd2820r_c.c
@@ -298,7 +298,7 @@ int cxd2820r_sleep_c(struct dvb_frontend *fe)
struct cxd2820r_priv *priv = fe->demodulator_priv;
struct i2c_client *client = priv->client[0];
int ret;
- struct reg_val_mask tab[] = {
+ static const struct reg_val_mask tab[] = {
{ 0x000ff, 0x1f, 0xff },
{ 0x00085, 0x00, 0xff },
{ 0x00088, 0x01, 0xff },
diff --git a/drivers/media/dvb-frontends/cxd2820r_t.c
b/drivers/media/dvb-frontends/cxd2820r_t.c
index d56c6f788196..fbdfa6bf38dc 100644
--- a/drivers/media/dvb-frontends/cxd2820r_t.c
+++ b/drivers/media/dvb-frontends/cxd2820r_t.c
@@ -392,7 +392,7 @@ int cxd2820r_sleep_t(struct dvb_frontend *fe)
struct cxd2820r_priv *priv = fe->demodulator_priv;
struct i2c_client *client = priv->client[0];
int ret;
- struct reg_val_mask tab[] = {
+ static struct reg_val_mask tab[] = {
{ 0x000ff, 0x1f, 0xff },
{ 0x00085, 0x00, 0xff },
{ 0x00088, 0x01, 0xff },
diff --git a/drivers/media/dvb-frontends/cxd2820r_t2.c
b/drivers/media/dvb-frontends/cxd2820r_t2.c
index f924a80b968a..34ef2bb2de34 100644
--- a/drivers/media/dvb-frontends/cxd2820r_t2.c
+++ b/drivers/media/dvb-frontends/cxd2820r_t2.c
@@ -386,7 +386,7 @@ int cxd2820r_sleep_t2(struct dvb_frontend *fe)
struct cxd2820r_priv *priv = fe->demodulator_priv;
struct i2c_client *client = priv->client[0];
int ret;
- struct reg_val_mask tab[] = {
+ static const struct reg_val_mask tab[] = {
{ 0x000ff, 0x1f, 0xff },
{ 0x00085, 0x00, 0xff },
{ 0x00088, 0x01, 0xff },
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