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From: Arnd Bergmann <arnd@arndb.de>
To: linux-wireless <linux-wireless@vger.kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>,
	Stanislaw Gruszka <sgruszka@redhat.com>,
	David Miller <davem@davemloft.net>,
	Helmut Schaa <helmut.schaa@googlemail.com>,
	Kalle Valo <kvalo@codeaurora.org>,
	Daniel Golle <daniel@makrotopia.org>,
	Mathias Kresin <dev@kresin.me>,
	Johannes Berg <johannes.berg@intel.com>,
	Serge Vasilugin <vasilugin@yandex.ru>,
	Roman Yeryomin <roman@advem.lv>,
	Networking <netdev@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Jes Sorensen <jes.sorensen@gmail.com>,
	Tom Psyborg <pozega.tomislav@gmail.com>
Subject: [PATCH v2 03/10] rt2x00: convert rt2x00_rf_read return type
Date: Wed, 17 May 2017 16:46:55 +0200	[thread overview]
Message-ID: <20170517144702.1381136-4-arnd@arndb.de> (raw)
In-Reply-To: <20170517144702.1381136-1-arnd@arndb.de>

This is a semi-automated conversion to change rt2x00_rf_read()
to return the register contents instead of passing them by value,
resulting in much better object code. The majority of the patch
was done using:

sed -i 's:\(\<rt2x00_rf_read\>(.*, .*\), &\(.*\));:\2 = \1);:' \
	drivers/net/wireless/ralink/rt2x00/rt*

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 drivers/net/wireless/ralink/rt2x00/rt2400pci.c |  2 +-
 drivers/net/wireless/ralink/rt2x00/rt2500pci.c |  4 ++--
 drivers/net/wireless/ralink/rt2x00/rt2500usb.c |  4 ++--
 drivers/net/wireless/ralink/rt2x00/rt2800lib.c |  2 +-
 drivers/net/wireless/ralink/rt2x00/rt2x00.h    | 11 ++---------
 drivers/net/wireless/ralink/rt2x00/rt61pci.c   | 10 +++++-----
 drivers/net/wireless/ralink/rt2x00/rt73usb.c   | 10 +++++-----
 7 files changed, 18 insertions(+), 25 deletions(-)

diff --git a/drivers/net/wireless/ralink/rt2x00/rt2400pci.c b/drivers/net/wireless/ralink/rt2x00/rt2400pci.c
index 3ba9a1674e1d..d41832292db2 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2400pci.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2400pci.c
@@ -199,7 +199,7 @@ static const struct rt2x00debug rt2400pci_rt2x00debug = {
 		.word_count	= BBP_SIZE / sizeof(u8),
 	},
 	.rf	= {
-		.read		= _rt2x00_rf_read,
+		.read		= rt2x00_rf_read,
 		.write		= rt2400pci_rf_write,
 		.word_base	= RF_BASE,
 		.word_size	= sizeof(u32),
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2500pci.c b/drivers/net/wireless/ralink/rt2x00/rt2500pci.c
index d9b061b73e83..232feba0773f 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2500pci.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2500pci.c
@@ -199,7 +199,7 @@ static const struct rt2x00debug rt2500pci_rt2x00debug = {
 		.word_count	= BBP_SIZE / sizeof(u8),
 	},
 	.rf	= {
-		.read		= _rt2x00_rf_read,
+		.read		= rt2x00_rf_read,
 		.write		= rt2500pci_rf_write,
 		.word_base	= RF_BASE,
 		.word_size	= sizeof(u32),
@@ -556,7 +556,7 @@ static void rt2500pci_config_txpower(struct rt2x00_dev *rt2x00dev,
 {
 	u32 rf3;
 
-	rt2x00_rf_read(rt2x00dev, 3, &rf3);
+	rf3 = rt2x00_rf_read(rt2x00dev, 3);
 	rt2x00_set_field32(&rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
 	rt2500pci_rf_write(rt2x00dev, 3, rf3);
 }
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2500usb.c b/drivers/net/wireless/ralink/rt2x00/rt2500usb.c
index 5bd160f732de..9cff9ddafb72 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2500usb.c
@@ -268,7 +268,7 @@ static const struct rt2x00debug rt2500usb_rt2x00debug = {
 		.word_count	= BBP_SIZE / sizeof(u8),
 	},
 	.rf	= {
-		.read		= _rt2x00_rf_read,
+		.read		= rt2x00_rf_read,
 		.write		= rt2500usb_rf_write,
 		.word_base	= RF_BASE,
 		.word_size	= sizeof(u32),
@@ -639,7 +639,7 @@ static void rt2500usb_config_txpower(struct rt2x00_dev *rt2x00dev,
 {
 	u32 rf3;
 
-	rt2x00_rf_read(rt2x00dev, 3, &rf3);
+	rf3 = rt2x00_rf_read(rt2x00dev, 3);
 	rt2x00_set_field32(&rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
 	rt2500usb_rf_write(rt2x00dev, 3, rf3);
 }
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
index 9b8c19dcdb2c..fef53d6a888a 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
@@ -1265,7 +1265,7 @@ const struct rt2x00debug rt2800_rt2x00debug = {
 		.word_count	= BBP_SIZE / sizeof(u8),
 	},
 	.rf	= {
-		.read		= _rt2x00_rf_read,
+		.read		= rt2x00_rf_read,
 		.write		= rt2800_rf_write,
 		.word_base	= RF_BASE,
 		.word_size	= sizeof(u32),
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00.h b/drivers/net/wireless/ralink/rt2x00/rt2x00.h
index f2ae33bf2ef2..36791f7ae2ce 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h
@@ -1049,15 +1049,8 @@ struct rt2x00_bar_list_entry {
  * Generic RF access.
  * The RF is being accessed by word index.
  */
-static inline void rt2x00_rf_read(struct rt2x00_dev *rt2x00dev,
-				  const unsigned int word, u32 *data)
-{
-	BUG_ON(word < 1 || word > rt2x00dev->ops->rf_size / sizeof(u32));
-	*data = rt2x00dev->rf[word - 1];
-}
-
-static inline u32 _rt2x00_rf_read(struct rt2x00_dev *rt2x00dev,
-				  const unsigned int word)
+static inline u32 rt2x00_rf_read(struct rt2x00_dev *rt2x00dev,
+				 const unsigned int word)
 {
 	BUG_ON(word < 1 || word > rt2x00dev->ops->rf_size / sizeof(u32));
 	return rt2x00dev->rf[word - 1];
diff --git a/drivers/net/wireless/ralink/rt2x00/rt61pci.c b/drivers/net/wireless/ralink/rt2x00/rt61pci.c
index efe8a766b251..147d1d2cc0a6 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt61pci.c
@@ -236,7 +236,7 @@ static const struct rt2x00debug rt61pci_rt2x00debug = {
 		.word_count	= BBP_SIZE / sizeof(u8),
 	},
 	.rf	= {
-		.read		= _rt2x00_rf_read,
+		.read		= rt2x00_rf_read,
 		.write		= rt61pci_rf_write,
 		.word_base	= RF_BASE,
 		.word_size	= sizeof(u32),
@@ -922,10 +922,10 @@ static void rt61pci_config_txpower(struct rt2x00_dev *rt2x00dev,
 {
 	struct rf_channel rf;
 
-	rt2x00_rf_read(rt2x00dev, 1, &rf.rf1);
-	rt2x00_rf_read(rt2x00dev, 2, &rf.rf2);
-	rt2x00_rf_read(rt2x00dev, 3, &rf.rf3);
-	rt2x00_rf_read(rt2x00dev, 4, &rf.rf4);
+	rf.rf1 = rt2x00_rf_read(rt2x00dev, 1);
+	rf.rf2 = rt2x00_rf_read(rt2x00dev, 2);
+	rf.rf3 = rt2x00_rf_read(rt2x00dev, 3);
+	rf.rf4 = rt2x00_rf_read(rt2x00dev, 4);
 
 	rt61pci_config_channel(rt2x00dev, &rf, txpower);
 }
diff --git a/drivers/net/wireless/ralink/rt2x00/rt73usb.c b/drivers/net/wireless/ralink/rt2x00/rt73usb.c
index 5db174922120..a36dee1a4f20 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt73usb.c
@@ -181,7 +181,7 @@ static const struct rt2x00debug rt73usb_rt2x00debug = {
 		.word_count	= BBP_SIZE / sizeof(u8),
 	},
 	.rf	= {
-		.read		= _rt2x00_rf_read,
+		.read		= rt2x00_rf_read,
 		.write		= rt73usb_rf_write,
 		.word_base	= RF_BASE,
 		.word_size	= sizeof(u32),
@@ -805,10 +805,10 @@ static void rt73usb_config_txpower(struct rt2x00_dev *rt2x00dev,
 {
 	struct rf_channel rf;
 
-	rt2x00_rf_read(rt2x00dev, 1, &rf.rf1);
-	rt2x00_rf_read(rt2x00dev, 2, &rf.rf2);
-	rt2x00_rf_read(rt2x00dev, 3, &rf.rf3);
-	rt2x00_rf_read(rt2x00dev, 4, &rf.rf4);
+	rf.rf1 = rt2x00_rf_read(rt2x00dev, 1);
+	rf.rf2 = rt2x00_rf_read(rt2x00dev, 2);
+	rf.rf3 = rt2x00_rf_read(rt2x00dev, 3);
+	rf.rf4 = rt2x00_rf_read(rt2x00dev, 4);
 
 	rt73usb_config_channel(rt2x00dev, &rf, txpower);
 }
-- 
2.9.0

  parent reply	other threads:[~2017-05-17 14:47 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-17 14:46 [PATCH v2 00/10] rt2x00: rt2x00: improve calling conventions for register accessors Arnd Bergmann
2017-05-17 14:46 ` [PATCH v2 01/10] rt2x00: change function pointers " Arnd Bergmann
2017-05-24 13:46   ` [v2, " Kalle Valo
2017-05-17 14:46 ` [PATCH v2 02/10] rt2x00: convert rt2800_rfcsr_read return type Arnd Bergmann
2017-05-17 14:46 ` Arnd Bergmann [this message]
2017-05-17 14:46 ` [PATCH v2 04/10] rt2x00: convert rt2x00mmio_register_read " Arnd Bergmann
2017-05-17 14:46 ` [PATCH v2 05/10] rt2x00: convert rt2x00usb_register_read " Arnd Bergmann
2017-05-17 14:46 ` [PATCH v2 06/10] rt2x00: convert rt2800_register_read " Arnd Bergmann
2017-05-17 14:46 ` [PATCH v2 07/10] rt2x00: convert rt2*_bbp_read " Arnd Bergmann
2017-05-17 14:47 ` [PATCH v2 08/10] rt2x00: convert rt2x00_eeprom_read " Arnd Bergmann
2017-05-17 14:47 ` [PATCH v2 09/10] rt2x00: convert rt2800_eeprom_read " Arnd Bergmann
2017-05-17 14:47 ` [PATCH v2 10/10] rt2x00: convert rt2x00_desc_read " Arnd Bergmann
2017-05-19  5:18 ` [PATCH v2 00/10] rt2x00: rt2x00: improve calling conventions for register accessors Kalle Valo
2017-05-19  6:50   ` Arnd Bergmann
2017-05-19  7:15     ` Kalle Valo
2017-05-19  7:21       ` Arnd Bergmann
     [not found]   ` <CAKR_QVJGxWF8+ZGGn08XiOgpYVGSjwQwqJoP10fY_bjfRg-uzw@mail.gmail.com>
2017-05-19  6:55     ` Arnd Bergmann
2017-05-19  7:12       ` Kalle Valo
     [not found]       ` <CAKR_QVLf5Yn3En2DD4Pwbc2+EKaO9xGB0qU3MWQrNWNjZkx1CA@mail.gmail.com>
2017-05-19 12:20         ` Arnd Bergmann
2017-05-22 18:03 ` Jes Sorensen

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