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authorLinus Torvalds <torvalds@linux-foundation.org>2010-11-15 14:03:17 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-11-15 14:03:17 -0800
commitfe9d1159b299642f9e1a9b56bbf67a24c31bb418 (patch)
tree530c6e41beb784adb16a1faae2839edbad2fbb7f
parente5c13537b0153010b4f65b9c55faa78a4c151c93 (diff)
parent2236baa75f704851d3cd3310569058151acb1f06 (diff)
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Merge branch 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
* 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: i2c: Sanity checks on adapter registration i2c: Mark i2c_adapter.id as deprecated i2c: Drivers shouldn't include <linux/i2c-id.h> i2c: Delete unused adapter IDs i2c: Remove obsolete cleanup for clientdata
-rw-r--r--Documentation/feature-removal-schedule.txt10
-rw-r--r--drivers/i2c/i2c-core.c12
-rw-r--r--drivers/i2c/i2c-mux.c1
-rw-r--r--drivers/media/common/saa7146_i2c.c1
-rw-r--r--drivers/media/video/imx074.c2
-rw-r--r--drivers/media/video/ir-kbd-i2c.c1
-rw-r--r--drivers/media/video/ov6650.c2
-rw-r--r--drivers/misc/apds9802als.c1
-rw-r--r--drivers/staging/olpc_dcon/olpc_dcon.c4
-rw-r--r--drivers/video/riva/rivafb-i2c.c1
-rw-r--r--include/linux/i2c-id.h22
-rw-r--r--include/linux/i2c.h2
12 files changed, 23 insertions, 36 deletions
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
index d8f36f984fa..6c2f55e05f1 100644
--- a/Documentation/feature-removal-schedule.txt
+++ b/Documentation/feature-removal-schedule.txt
@@ -554,3 +554,13 @@ Why: This is a legacy interface which have been replaced by a more
Who: NeilBrown <neilb@suse.de>
----------------------------
+
+What: i2c_adapter.id
+When: June 2011
+Why: This field is deprecated. I2C device drivers shouldn't change their
+ behavior based on the underlying I2C adapter. Instead, the I2C
+ adapter driver should instantiate the I2C devices and provide the
+ needed platform-specific information.
+Who: Jean Delvare <khali@linux-fr.org>
+
+----------------------------
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index d231f683f57..6b4cc567645 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -848,6 +848,18 @@ static int i2c_register_adapter(struct i2c_adapter *adap)
goto out_list;
}
+ /* Sanity checks */
+ if (unlikely(adap->name[0] == '\0')) {
+ pr_err("i2c-core: Attempt to register an adapter with "
+ "no name!\n");
+ return -EINVAL;
+ }
+ if (unlikely(!adap->algo)) {
+ pr_err("i2c-core: Attempt to register adapter '%s' with "
+ "no algo!\n", adap->name);
+ return -EINVAL;
+ }
+
rt_mutex_init(&adap->bus_lock);
mutex_init(&adap->userspace_clients_lock);
INIT_LIST_HEAD(&adap->userspace_clients);
diff --git a/drivers/i2c/i2c-mux.c b/drivers/i2c/i2c-mux.c
index d32a4843fc3..d7a4833be41 100644
--- a/drivers/i2c/i2c-mux.c
+++ b/drivers/i2c/i2c-mux.c
@@ -120,7 +120,6 @@ struct i2c_adapter *i2c_add_mux_adapter(struct i2c_adapter *parent,
snprintf(priv->adap.name, sizeof(priv->adap.name),
"i2c-%d-mux (chan_id %d)", i2c_adapter_id(parent), chan_id);
priv->adap.owner = THIS_MODULE;
- priv->adap.id = parent->id;
priv->adap.algo = &priv->algo;
priv->adap.algo_data = priv;
priv->adap.dev.parent = &parent->dev;
diff --git a/drivers/media/common/saa7146_i2c.c b/drivers/media/common/saa7146_i2c.c
index 3d88542612e..74ee172b5bc 100644
--- a/drivers/media/common/saa7146_i2c.c
+++ b/drivers/media/common/saa7146_i2c.c
@@ -391,7 +391,6 @@ static int saa7146_i2c_xfer(struct i2c_adapter* adapter, struct i2c_msg *msg, in
/*****************************************************************************/
/* i2c-adapter helper functions */
-#include <linux/i2c-id.h>
/* exported algorithm data */
static struct i2c_algorithm saa7146_algo = {
diff --git a/drivers/media/video/imx074.c b/drivers/media/video/imx074.c
index 380e459f899..27b5dfdfbb9 100644
--- a/drivers/media/video/imx074.c
+++ b/drivers/media/video/imx074.c
@@ -451,7 +451,6 @@ static int imx074_probe(struct i2c_client *client,
ret = imx074_video_probe(icd, client);
if (ret < 0) {
icd->ops = NULL;
- i2c_set_clientdata(client, NULL);
kfree(priv);
return ret;
}
@@ -468,7 +467,6 @@ static int imx074_remove(struct i2c_client *client)
icd->ops = NULL;
if (icl->free_bus)
icl->free_bus(icl);
- i2c_set_clientdata(client, NULL);
client->driver = NULL;
kfree(priv);
diff --git a/drivers/media/video/ir-kbd-i2c.c b/drivers/media/video/ir-kbd-i2c.c
index 5a000c65ae9..ce4a7537590 100644
--- a/drivers/media/video/ir-kbd-i2c.c
+++ b/drivers/media/video/ir-kbd-i2c.c
@@ -44,7 +44,6 @@
#include <linux/errno.h>
#include <linux/slab.h>
#include <linux/i2c.h>
-#include <linux/i2c-id.h>
#include <linux/workqueue.h>
#include <media/ir-core.h>
diff --git a/drivers/media/video/ov6650.c b/drivers/media/video/ov6650.c
index 31f19373bba..cf93de98806 100644
--- a/drivers/media/video/ov6650.c
+++ b/drivers/media/video/ov6650.c
@@ -1174,7 +1174,6 @@ static int ov6650_probe(struct i2c_client *client,
if (ret) {
icd->ops = NULL;
- i2c_set_clientdata(client, NULL);
kfree(priv);
}
@@ -1185,7 +1184,6 @@ static int ov6650_remove(struct i2c_client *client)
{
struct ov6650 *priv = to_ov6650(client);
- i2c_set_clientdata(client, NULL);
kfree(priv);
return 0;
}
diff --git a/drivers/misc/apds9802als.c b/drivers/misc/apds9802als.c
index 0ed09358027..644d4cd071c 100644
--- a/drivers/misc/apds9802als.c
+++ b/drivers/misc/apds9802als.c
@@ -251,7 +251,6 @@ static int apds9802als_probe(struct i2c_client *client,
return res;
als_error1:
- i2c_set_clientdata(client, NULL);
kfree(data);
return res;
}
diff --git a/drivers/staging/olpc_dcon/olpc_dcon.c b/drivers/staging/olpc_dcon/olpc_dcon.c
index 75aa7a36307..4ca45ec7fd8 100644
--- a/drivers/staging/olpc_dcon/olpc_dcon.c
+++ b/drivers/staging/olpc_dcon/olpc_dcon.c
@@ -17,7 +17,6 @@
#include <linux/console.h>
#include <linux/i2c.h>
#include <linux/platform_device.h>
-#include <linux/i2c-id.h>
#include <linux/pci.h>
#include <linux/pci_ids.h>
#include <linux/interrupt.h>
@@ -733,7 +732,6 @@ static int dcon_probe(struct i2c_client *client, const struct i2c_device_id *id)
edev:
platform_device_unregister(dcon_device);
dcon_device = NULL;
- i2c_set_clientdata(client, NULL);
eirq:
free_irq(DCON_IRQ, &dcon_driver);
einit:
@@ -757,8 +755,6 @@ static int dcon_remove(struct i2c_client *client)
platform_device_unregister(dcon_device);
cancel_work_sync(&dcon_work);
- i2c_set_clientdata(client, NULL);
-
return 0;
}
diff --git a/drivers/video/riva/rivafb-i2c.c b/drivers/video/riva/rivafb-i2c.c
index a0e22ac483a..167400e2a18 100644
--- a/drivers/video/riva/rivafb-i2c.c
+++ b/drivers/video/riva/rivafb-i2c.c
@@ -94,7 +94,6 @@ static int __devinit riva_setup_i2c_bus(struct riva_i2c_chan *chan,
strcpy(chan->adapter.name, name);
chan->adapter.owner = THIS_MODULE;
- chan->adapter.id = I2C_HW_B_RIVA;
chan->adapter.class = i2c_class;
chan->adapter.algo_data = &chan->algo;
chan->adapter.dev.parent = &chan->par->pdev->dev;
diff --git a/include/linux/i2c-id.h b/include/linux/i2c-id.h
index e844a0b1869..4bef5c55716 100644
--- a/include/linux/i2c-id.h
+++ b/include/linux/i2c-id.h
@@ -32,28 +32,6 @@
*/
/* --- Bit algorithm adapters */
-#define I2C_HW_B_BT848 0x010005 /* BT848 video boards */
-#define I2C_HW_B_RIVA 0x010010 /* Riva based graphics cards */
-#define I2C_HW_B_ZR36067 0x010019 /* Zoran-36057/36067 based boards */
#define I2C_HW_B_CX2388x 0x01001b /* connexant 2388x based tv cards */
-#define I2C_HW_B_EM28XX 0x01001f /* em28xx video capture cards */
-#define I2C_HW_B_CX2341X 0x010020 /* Conexant CX2341X MPEG encoder cards */
-#define I2C_HW_B_CX23885 0x010022 /* conexant 23885 based tv cards (bus1) */
-#define I2C_HW_B_AU0828 0x010023 /* auvitek au0828 usb bridge */
-#define I2C_HW_B_CX231XX 0x010024 /* Conexant CX231XX USB based cards */
-#define I2C_HW_B_HDPVR 0x010025 /* Hauppauge HD PVR */
-
-/* --- SGI adapters */
-#define I2C_HW_SGI_VINO 0x160000
-
-/* --- SMBus only adapters */
-#define I2C_HW_SMBUS_W9968CF 0x04000d
-#define I2C_HW_SMBUS_OV511 0x04000e /* OV511(+) USB 1.1 webcam ICs */
-#define I2C_HW_SMBUS_OV518 0x04000f /* OV518(+) USB 1.1 webcam ICs */
-#define I2C_HW_SMBUS_CAFE 0x040012 /* Marvell 88ALP01 "CAFE" cam */
-
-/* --- Miscellaneous adapters */
-#define I2C_HW_SAA7146 0x060000 /* SAA7146 video decoder bus */
-#define I2C_HW_SAA7134 0x090000 /* SAA7134 video decoder bus */
#endif /* LINUX_I2C_ID_H */
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 889b35abaed..56cfe23ffb3 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -353,7 +353,7 @@ struct i2c_algorithm {
*/
struct i2c_adapter {
struct module *owner;
- unsigned int id;
+ unsigned int id __deprecated;
unsigned int class; /* classes to allow probing for */
const struct i2c_algorithm *algo; /* the algorithm to access the bus */
void *algo_data;