From: Bartosz Golaszewski <brgl@bgdev.pl>
To: Rob Herring <robh+dt@kernel.org>,
"David S . Miller" <davem@davemloft.net>,
Matthias Brugger <matthias.bgg@gmail.com>,
John Crispin <john@phrozen.org>,
Sean Wang <sean.wang@mediatek.com>,
Mark Lee <Mark-MC.Lee@mediatek.com>,
Jakub Kicinski <kuba@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
Fabien Parent <fparent@baylibre.com>,
Heiner Kallweit <hkallweit1@gmail.com>,
Edwin Peer <edwin.peer@broadcom.com>
Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org,
Stephane Le Provost <stephane.leprovost@mediatek.com>,
Pedro Tsai <pedro.tsai@mediatek.com>,
Andrew Perepech <andrew.perepech@mediatek.com>,
Bartosz Golaszewski <bgolaszewski@baylibre.com>
Subject: [PATCH v2 07/14] net: devres: define a separate devres structure for devm_alloc_etherdev()
Date: Mon, 11 May 2020 17:07:52 +0200 [thread overview]
Message-ID: <20200511150759.18766-8-brgl@bgdev.pl> (raw)
In-Reply-To: <20200511150759.18766-1-brgl@bgdev.pl>
From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Not using a proxy structure to store struct net_device doesn't save
anything in terms of compiled code size or memory usage but significantly
decreases the readability of the code with all the pointer casting.
Define struct net_device_devres and use it in devm_alloc_etherdev_mqs().
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
---
net/devres.c | 20 ++++++++++++--------
1 file changed, 12 insertions(+), 8 deletions(-)
diff --git a/net/devres.c b/net/devres.c
index c1465d9f9019..b97b0c5a8216 100644
--- a/net/devres.c
+++ b/net/devres.c
@@ -7,30 +7,34 @@
#include <linux/etherdevice.h>
#include <linux/netdevice.h>
-static void devm_free_netdev(struct device *dev, void *res)
+struct net_device_devres {
+ struct net_device *ndev;
+};
+
+static void devm_free_netdev(struct device *dev, void *this)
{
- free_netdev(*(struct net_device **)res);
+ struct net_device_devres *res = this;
+
+ free_netdev(res->ndev);
}
struct net_device *devm_alloc_etherdev_mqs(struct device *dev, int sizeof_priv,
unsigned int txqs, unsigned int rxqs)
{
- struct net_device **dr;
- struct net_device *netdev;
+ struct net_device_devres *dr;
dr = devres_alloc(devm_free_netdev, sizeof(*dr), GFP_KERNEL);
if (!dr)
return NULL;
- netdev = alloc_etherdev_mqs(sizeof_priv, txqs, rxqs);
- if (!netdev) {
+ dr->ndev = alloc_etherdev_mqs(sizeof_priv, txqs, rxqs);
+ if (!dr->ndev) {
devres_free(dr);
return NULL;
}
- *dr = netdev;
devres_add(dev, dr);
- return netdev;
+ return dr->ndev;
}
EXPORT_SYMBOL(devm_alloc_etherdev_mqs);
--
2.25.0
WARNING: multiple messages have this Message-ID (diff)
From: Bartosz Golaszewski <brgl@bgdev.pl>
To: Rob Herring <robh+dt@kernel.org>,
"David S . Miller" <davem@davemloft.net>,
Matthias Brugger <matthias.bgg@gmail.com>,
John Crispin <john@phrozen.org>,
Sean Wang <sean.wang@mediatek.com>,
Mark Lee <Mark-MC.Lee@mediatek.com>,
Jakub Kicinski <kuba@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
Fabien Parent <fparent@baylibre.com>,
Heiner Kallweit <hkallweit1@gmail.com>,
Edwin Peer <edwin.peer@broadcom.com>
Cc: devicetree@vger.kernel.org,
Stephane Le Provost <stephane.leprovost@mediatek.com>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
Bartosz Golaszewski <bgolaszewski@baylibre.com>,
linux-mediatek@lists.infradead.org,
Andrew Perepech <andrew.perepech@mediatek.com>,
Pedro Tsai <pedro.tsai@mediatek.com>,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 07/14] net: devres: define a separate devres structure for devm_alloc_etherdev()
Date: Mon, 11 May 2020 17:07:52 +0200 [thread overview]
Message-ID: <20200511150759.18766-8-brgl@bgdev.pl> (raw)
In-Reply-To: <20200511150759.18766-1-brgl@bgdev.pl>
From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Not using a proxy structure to store struct net_device doesn't save
anything in terms of compiled code size or memory usage but significantly
decreases the readability of the code with all the pointer casting.
Define struct net_device_devres and use it in devm_alloc_etherdev_mqs().
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
---
net/devres.c | 20 ++++++++++++--------
1 file changed, 12 insertions(+), 8 deletions(-)
diff --git a/net/devres.c b/net/devres.c
index c1465d9f9019..b97b0c5a8216 100644
--- a/net/devres.c
+++ b/net/devres.c
@@ -7,30 +7,34 @@
#include <linux/etherdevice.h>
#include <linux/netdevice.h>
-static void devm_free_netdev(struct device *dev, void *res)
+struct net_device_devres {
+ struct net_device *ndev;
+};
+
+static void devm_free_netdev(struct device *dev, void *this)
{
- free_netdev(*(struct net_device **)res);
+ struct net_device_devres *res = this;
+
+ free_netdev(res->ndev);
}
struct net_device *devm_alloc_etherdev_mqs(struct device *dev, int sizeof_priv,
unsigned int txqs, unsigned int rxqs)
{
- struct net_device **dr;
- struct net_device *netdev;
+ struct net_device_devres *dr;
dr = devres_alloc(devm_free_netdev, sizeof(*dr), GFP_KERNEL);
if (!dr)
return NULL;
- netdev = alloc_etherdev_mqs(sizeof_priv, txqs, rxqs);
- if (!netdev) {
+ dr->ndev = alloc_etherdev_mqs(sizeof_priv, txqs, rxqs);
+ if (!dr->ndev) {
devres_free(dr);
return NULL;
}
- *dr = netdev;
devres_add(dev, dr);
- return netdev;
+ return dr->ndev;
}
EXPORT_SYMBOL(devm_alloc_etherdev_mqs);
--
2.25.0
_______________________________________________
Linux-mediatek mailing list
Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek
WARNING: multiple messages have this Message-ID (diff)
From: Bartosz Golaszewski <brgl@bgdev.pl>
To: Rob Herring <robh+dt@kernel.org>,
"David S . Miller" <davem@davemloft.net>,
Matthias Brugger <matthias.bgg@gmail.com>,
John Crispin <john@phrozen.org>,
Sean Wang <sean.wang@mediatek.com>,
Mark Lee <Mark-MC.Lee@mediatek.com>,
Jakub Kicinski <kuba@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
Fabien Parent <fparent@baylibre.com>,
Heiner Kallweit <hkallweit1@gmail.com>,
Edwin Peer <edwin.peer@broadcom.com>
Cc: devicetree@vger.kernel.org,
Stephane Le Provost <stephane.leprovost@mediatek.com>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
Bartosz Golaszewski <bgolaszewski@baylibre.com>,
linux-mediatek@lists.infradead.org,
Andrew Perepech <andrew.perepech@mediatek.com>,
Pedro Tsai <pedro.tsai@mediatek.com>,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 07/14] net: devres: define a separate devres structure for devm_alloc_etherdev()
Date: Mon, 11 May 2020 17:07:52 +0200 [thread overview]
Message-ID: <20200511150759.18766-8-brgl@bgdev.pl> (raw)
In-Reply-To: <20200511150759.18766-1-brgl@bgdev.pl>
From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Not using a proxy structure to store struct net_device doesn't save
anything in terms of compiled code size or memory usage but significantly
decreases the readability of the code with all the pointer casting.
Define struct net_device_devres and use it in devm_alloc_etherdev_mqs().
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
---
net/devres.c | 20 ++++++++++++--------
1 file changed, 12 insertions(+), 8 deletions(-)
diff --git a/net/devres.c b/net/devres.c
index c1465d9f9019..b97b0c5a8216 100644
--- a/net/devres.c
+++ b/net/devres.c
@@ -7,30 +7,34 @@
#include <linux/etherdevice.h>
#include <linux/netdevice.h>
-static void devm_free_netdev(struct device *dev, void *res)
+struct net_device_devres {
+ struct net_device *ndev;
+};
+
+static void devm_free_netdev(struct device *dev, void *this)
{
- free_netdev(*(struct net_device **)res);
+ struct net_device_devres *res = this;
+
+ free_netdev(res->ndev);
}
struct net_device *devm_alloc_etherdev_mqs(struct device *dev, int sizeof_priv,
unsigned int txqs, unsigned int rxqs)
{
- struct net_device **dr;
- struct net_device *netdev;
+ struct net_device_devres *dr;
dr = devres_alloc(devm_free_netdev, sizeof(*dr), GFP_KERNEL);
if (!dr)
return NULL;
- netdev = alloc_etherdev_mqs(sizeof_priv, txqs, rxqs);
- if (!netdev) {
+ dr->ndev = alloc_etherdev_mqs(sizeof_priv, txqs, rxqs);
+ if (!dr->ndev) {
devres_free(dr);
return NULL;
}
- *dr = netdev;
devres_add(dev, dr);
- return netdev;
+ return dr->ndev;
}
EXPORT_SYMBOL(devm_alloc_etherdev_mqs);
--
2.25.0
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-05-11 15:09 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-11 15:07 [PATCH v2 00/14] mediatek: add support for MediaTek Ethernet MAC Bartosz Golaszewski
2020-05-11 15:07 ` Bartosz Golaszewski
2020-05-11 15:07 ` Bartosz Golaszewski
2020-05-11 15:07 ` [PATCH v2 01/14] dt-bindings: arm: add a binding document for MediaTek PERICFG controller Bartosz Golaszewski
2020-05-11 15:07 ` Bartosz Golaszewski
2020-05-11 15:07 ` Bartosz Golaszewski
2020-05-19 18:28 ` Rob Herring
2020-05-19 18:28 ` Rob Herring
2020-05-19 18:28 ` Rob Herring
2020-05-20 9:19 ` Bartosz Golaszewski
2020-05-20 9:19 ` Bartosz Golaszewski
2020-05-20 9:19 ` Bartosz Golaszewski
2020-05-11 15:07 ` [PATCH v2 02/14] dt-bindings: net: add a binding document for MediaTek Ethernet MAC Bartosz Golaszewski
2020-05-11 15:07 ` Bartosz Golaszewski
2020-05-11 15:07 ` Bartosz Golaszewski
2020-05-11 15:07 ` [PATCH v2 03/14] net: ethernet: mediatek: rename Kconfig prompt Bartosz Golaszewski
2020-05-11 15:07 ` Bartosz Golaszewski
2020-05-11 15:07 ` Bartosz Golaszewski
2020-05-11 15:07 ` [PATCH v2 04/14] net: ethernet: mediatek: remove unnecessary spaces from Makefile Bartosz Golaszewski
2020-05-11 15:07 ` Bartosz Golaszewski
2020-05-11 15:07 ` Bartosz Golaszewski
2020-05-11 15:07 ` [PATCH v2 05/14] net: core: provide priv_to_netdev() Bartosz Golaszewski
2020-05-11 15:07 ` Bartosz Golaszewski
2020-05-11 15:07 ` Bartosz Golaszewski
2020-05-11 16:39 ` Andrew Lunn
2020-05-11 16:39 ` Andrew Lunn
2020-05-11 16:39 ` Andrew Lunn
2020-05-11 20:41 ` David Miller
2020-05-11 20:41 ` David Miller
2020-05-11 20:41 ` David Miller
2020-05-12 6:04 ` Bartosz Golaszewski
2020-05-12 6:04 ` Bartosz Golaszewski
2020-05-12 6:04 ` Bartosz Golaszewski
2020-05-12 19:30 ` David Miller
2020-05-12 19:30 ` David Miller
2020-05-12 19:30 ` David Miller
2020-05-11 15:07 ` [PATCH v2 06/14] net: move devres helpers into a separate source file Bartosz Golaszewski
2020-05-11 15:07 ` Bartosz Golaszewski
2020-05-11 15:07 ` Bartosz Golaszewski
2020-05-11 15:07 ` Bartosz Golaszewski [this message]
2020-05-11 15:07 ` [PATCH v2 07/14] net: devres: define a separate devres structure for devm_alloc_etherdev() Bartosz Golaszewski
2020-05-11 15:07 ` Bartosz Golaszewski
2020-05-11 15:07 ` [PATCH v2 08/14] net: devres: provide devm_register_netdev() Bartosz Golaszewski
2020-05-11 15:07 ` Bartosz Golaszewski
2020-05-11 15:07 ` Bartosz Golaszewski
2020-05-11 15:07 ` [PATCH v2 09/14] net: ethernet: mtk-eth-mac: new driver Bartosz Golaszewski
2020-05-11 15:07 ` Bartosz Golaszewski
2020-05-11 15:07 ` Bartosz Golaszewski
2020-05-11 19:24 ` Florian Fainelli
2020-05-11 19:24 ` Florian Fainelli
2020-05-11 19:24 ` Florian Fainelli
2020-05-12 6:35 ` Bartosz Golaszewski
2020-05-12 6:35 ` Bartosz Golaszewski
2020-05-12 6:35 ` Bartosz Golaszewski
2020-05-11 15:07 ` [PATCH v2 10/14] ARM64: dts: mediatek: add pericfg syscon to mt8516.dtsi Bartosz Golaszewski
2020-05-11 15:07 ` Bartosz Golaszewski
2020-05-11 15:07 ` Bartosz Golaszewski
2020-05-11 15:07 ` [PATCH v2 11/14] ARM64: dts: mediatek: add the ethernet node " Bartosz Golaszewski
2020-05-11 15:07 ` Bartosz Golaszewski
2020-05-11 15:07 ` Bartosz Golaszewski
2020-05-11 15:07 ` [PATCH v2 12/14] ARM64: dts: mediatek: add an alias for ethernet0 for pumpkin boards Bartosz Golaszewski
2020-05-11 15:07 ` Bartosz Golaszewski
2020-05-11 15:07 ` Bartosz Golaszewski
2020-05-11 15:07 ` [PATCH v2 13/14] ARM64: dts: mediatek: add ethernet pins " Bartosz Golaszewski
2020-05-11 15:07 ` Bartosz Golaszewski
2020-05-11 15:07 ` Bartosz Golaszewski
2020-05-11 15:07 ` [PATCH v2 14/14] ARM64: dts: mediatek: enable ethernet on " Bartosz Golaszewski
2020-05-11 15:07 ` Bartosz Golaszewski
2020-05-11 15:07 ` Bartosz Golaszewski
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200511150759.18766-8-brgl@bgdev.pl \
--to=brgl@bgdev.pl \
--cc=Mark-MC.Lee@mediatek.com \
--cc=andrew.perepech@mediatek.com \
--cc=arnd@arndb.de \
--cc=bgolaszewski@baylibre.com \
--cc=davem@davemloft.net \
--cc=devicetree@vger.kernel.org \
--cc=edwin.peer@broadcom.com \
--cc=fparent@baylibre.com \
--cc=hkallweit1@gmail.com \
--cc=john@phrozen.org \
--cc=kuba@kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mediatek@lists.infradead.org \
--cc=matthias.bgg@gmail.com \
--cc=netdev@vger.kernel.org \
--cc=pedro.tsai@mediatek.com \
--cc=robh+dt@kernel.org \
--cc=sean.wang@mediatek.com \
--cc=stephane.leprovost@mediatek.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.