* [PATCH] net: constify mdiobb_ops structures
@ 2017-01-13 18:02 Bhumika Goyal
2017-01-16 18:47 ` David Miller
2017-01-16 20:48 ` Sergei Shtylyov
0 siblings, 2 replies; 3+ messages in thread
From: Bhumika Goyal @ 2017-01-13 18:02 UTC (permalink / raw)
To: julia.lawall, pantelis.antoniou, vbordug, sergei.shtylyov,
f.fainelli, netdev, linux-kernel, linuxppc-dev, linux-renesas-soc
Cc: Bhumika Goyal
Declare mdiobb_ops structures as const as they are only stored in the
ops field of mdiobb_ctrl structures. This field is of type const, so
mdiobb_ops structures having this property can be declared const too.
Done using Coccinelle:
@r disable optional_qualifier@
identifier x;
position p;
@@
static struct mdiobb_ops x@p={...};
@ok@
struct bb_info bitbang;
struct ravb_private priv;
struct ax_device ax;
struct mdio_gpio_info bb;
identifier r.x;
position p;
@@
(
bitbang.ctrl.ops=&x@p
|
priv.mdiobb.ops=&x@p
|
ax.bb_ctrl.ops=&x@p
|
bb.ctrl.ops=&x@p
)
@bad@
position p != {r.p,ok.p};
identifier r.x;
@@
x@p
@depends on !bad disable optional_qualifier@
identifier r.x;
@@
+const
struct mdiobb_ops x;
Before and after size details:
File size before:
text data bss dec hex filename
13293 1203 16 14512 38b0 net/ethernet/8390/ax88796.o
File size after:
text data bss dec hex filename
13357 1139 16 14512 38b0 net/ethernet/8390/ax88796.o
File size before:
text data bss dec hex filename
1440 100 0 1540 604 freescale/fs_enet/mii-bitbang.o
File size after: Remains the same
File size before:
text data bss dec hex filename
19000 192 16 19208 4b08 net/ethernet/renesas/ravb_main.o
File size after: Remains the same
File size before:
text data bss dec hex filename
28501 1568 8 30077 757d net/ethernet/renesas/sh_eth.o
File size after:
text data bss dec hex filename
28565 1504 8 30077 757d net/ethernet/renesas/sh_eth.o
File size before:
text data bss dec hex filename
1859 248 0 2107 83b drivers/net/phy/mdio-gpio.o
File size after:
text data bss dec hex filename
1915 192 0 2107 83b drivers/net/phy/mdio-gpio.o
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
---
drivers/net/ethernet/8390/ax88796.c | 2 +-
drivers/net/ethernet/freescale/fs_enet/mii-bitbang.c | 2 +-
drivers/net/ethernet/renesas/ravb_main.c | 2 +-
drivers/net/ethernet/renesas/sh_eth.c | 2 +-
drivers/net/phy/mdio-gpio.c | 2 +-
5 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/net/ethernet/8390/ax88796.c b/drivers/net/ethernet/8390/ax88796.c
index b0a3b85..e977671 100644
--- a/drivers/net/ethernet/8390/ax88796.c
+++ b/drivers/net/ethernet/8390/ax88796.c
@@ -585,7 +585,7 @@ static int ax_bb_get_data(struct mdiobb_ctrl *ctrl)
return reg_memr & AX_MEMR_MDI ? 1 : 0;
}
-static struct mdiobb_ops bb_ops = {
+static const struct mdiobb_ops bb_ops = {
.owner = THIS_MODULE,
.set_mdc = ax_bb_mdc,
.set_mdio_dir = ax_bb_dir,
diff --git a/drivers/net/ethernet/freescale/fs_enet/mii-bitbang.c b/drivers/net/ethernet/freescale/fs_enet/mii-bitbang.c
index 1f015ed..c8e5d88 100644
--- a/drivers/net/ethernet/freescale/fs_enet/mii-bitbang.c
+++ b/drivers/net/ethernet/freescale/fs_enet/mii-bitbang.c
@@ -100,7 +100,7 @@ static inline void mdc(struct mdiobb_ctrl *ctrl, int what)
in_be32(bitbang->dat);
}
-static struct mdiobb_ops bb_ops = {
+static const struct mdiobb_ops bb_ops = {
.owner = THIS_MODULE,
.set_mdc = mdc,
.set_mdio_dir = mdio_dir,
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index 92d7692..1b0acd1 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -171,7 +171,7 @@ static int ravb_get_mdio_data(struct mdiobb_ctrl *ctrl)
}
/* MDIO bus control struct */
-static struct mdiobb_ops bb_ops = {
+static const struct mdiobb_ops bb_ops = {
.owner = THIS_MODULE,
.set_mdc = ravb_set_mdc,
.set_mdio_dir = ravb_set_mdio_dir,
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 00fafab..6ef5dd8 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -1052,7 +1052,7 @@ static void sh_mdc_ctrl(struct mdiobb_ctrl *ctrl, int bit)
}
/* mdio bus control struct */
-static struct mdiobb_ops bb_ops = {
+static const struct mdiobb_ops bb_ops = {
.owner = THIS_MODULE,
.set_mdc = sh_mdc_ctrl,
.set_mdio_dir = sh_mmd_ctrl,
diff --git a/drivers/net/phy/mdio-gpio.c b/drivers/net/phy/mdio-gpio.c
index 27ab630..97333d5 100644
--- a/drivers/net/phy/mdio-gpio.c
+++ b/drivers/net/phy/mdio-gpio.c
@@ -122,7 +122,7 @@ static void mdc_set(struct mdiobb_ctrl *ctrl, int what)
gpio_set_value_cansleep(bitbang->mdc, what ^ bitbang->mdc_active_low);
}
-static struct mdiobb_ops mdio_gpio_ops = {
+static const struct mdiobb_ops mdio_gpio_ops = {
.owner = THIS_MODULE,
.set_mdc = mdc_set,
.set_mdio_dir = mdio_dir,
--
1.9.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] net: constify mdiobb_ops structures
2017-01-13 18:02 [PATCH] net: constify mdiobb_ops structures Bhumika Goyal
@ 2017-01-16 18:47 ` David Miller
2017-01-16 20:48 ` Sergei Shtylyov
1 sibling, 0 replies; 3+ messages in thread
From: David Miller @ 2017-01-16 18:47 UTC (permalink / raw)
To: bhumirks
Cc: julia.lawall, pantelis.antoniou, vbordug, sergei.shtylyov,
f.fainelli, netdev, linux-kernel, linuxppc-dev, linux-renesas-soc
From: Bhumika Goyal <bhumirks@gmail.com>
Date: Fri, 13 Jan 2017 23:32:26 +0530
> Declare mdiobb_ops structures as const as they are only stored in the
> ops field of mdiobb_ctrl structures. This field is of type const, so
> mdiobb_ops structures having this property can be declared const too.
This patch doesn't apply cleanly to net-next, please respin.
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] net: constify mdiobb_ops structures
2017-01-13 18:02 [PATCH] net: constify mdiobb_ops structures Bhumika Goyal
2017-01-16 18:47 ` David Miller
@ 2017-01-16 20:48 ` Sergei Shtylyov
1 sibling, 0 replies; 3+ messages in thread
From: Sergei Shtylyov @ 2017-01-16 20:48 UTC (permalink / raw)
To: Bhumika Goyal, julia.lawall, pantelis.antoniou, vbordug,
f.fainelli, netdev, linux-kernel, linuxppc-dev, linux-renesas-soc
Hello!
On 01/13/2017 09:02 PM, Bhumika Goyal wrote:
> Declare mdiobb_ops structures as const as they are only stored in the
> ops field of mdiobb_ctrl structures. This field is of type const, so
> mdiobb_ops structures having this property can be declared const too.
> Done using Coccinelle:
[...]
> Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
[...]
> diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
> index 92d7692..1b0acd1 100644
> --- a/drivers/net/ethernet/renesas/ravb_main.c
> +++ b/drivers/net/ethernet/renesas/ravb_main.c
> @@ -171,7 +171,7 @@ static int ravb_get_mdio_data(struct mdiobb_ctrl *ctrl)
> }
>
> /* MDIO bus control struct */
> -static struct mdiobb_ops bb_ops = {
> +static const struct mdiobb_ops bb_ops = {
> .owner = THIS_MODULE,
> .set_mdc = ravb_set_mdc,
> .set_mdio_dir = ravb_set_mdio_dir,
> diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
> index 00fafab..6ef5dd8 100644
> --- a/drivers/net/ethernet/renesas/sh_eth.c
> +++ b/drivers/net/ethernet/renesas/sh_eth.c
> @@ -1052,7 +1052,7 @@ static void sh_mdc_ctrl(struct mdiobb_ctrl *ctrl, int bit)
> }
>
> /* mdio bus control struct */
> -static struct mdiobb_ops bb_ops = {
> +static const struct mdiobb_ops bb_ops = {
> .owner = THIS_MODULE,
> .set_mdc = sh_mdc_ctrl,
> .set_mdio_dir = sh_mmd_ctrl,
[...]
For the above 2 drivers:
Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
MBR, Sergei
^ permalink raw reply [flat|nested] 3+ messages in thread
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