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authorJean Delvare <khali@linux-fr.org>2008-11-13 18:57:53 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2009-01-07 09:59:53 -0800
commit3a407e7391767898027eb7030c41c78ebc7a785d (patch)
treeaafde977b3cb993d29af71bad08c4e93ca63cd90 /drivers/usb/host/ohci-pnx4008.c
parentdc023dceec861c60bc1d1a17a2c6496ddac26ee7 (diff)
USB: Convert ohci-pnx4008 to a new-style i2c driver
The legacy i2c binding model will go away soon, convert ohci-pnx4008 to use the new binding model instead. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/host/ohci-pnx4008.c')
-rw-r--r--drivers/usb/host/ohci-pnx4008.c85
1 files changed, 36 insertions, 49 deletions
diff --git a/drivers/usb/host/ohci-pnx4008.c b/drivers/usb/host/ohci-pnx4008.c
index e306ca6aef3..100bf3d8437 100644
--- a/drivers/usb/host/ohci-pnx4008.c
+++ b/drivers/usb/host/ohci-pnx4008.c
@@ -106,65 +106,34 @@ extern int ocpi_enable(void);
static struct clk *usb_clk;
-static int isp1301_probe(struct i2c_adapter *adap);
-static int isp1301_detach(struct i2c_client *client);
-
static const unsigned short normal_i2c[] =
{ ISP1301_I2C_ADDR, ISP1301_I2C_ADDR + 1, I2C_CLIENT_END };
-static const unsigned short dummy_i2c_addrlist[] = { I2C_CLIENT_END };
-
-static struct i2c_client_address_data addr_data = {
- .normal_i2c = normal_i2c,
- .probe = dummy_i2c_addrlist,
- .ignore = dummy_i2c_addrlist,
-};
-
-struct i2c_driver isp1301_driver = {
- .driver = {
- .name = "isp1301_pnx",
- },
- .attach_adapter = isp1301_probe,
- .detach_client = isp1301_detach,
-};
-static int isp1301_attach(struct i2c_adapter *adap, int addr, int kind)
+static int isp1301_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
{
- struct i2c_client *c;
- int err;
-
- c = kzalloc(sizeof(*c), GFP_KERNEL);
- if (!c)
- return -ENOMEM;
-
- strlcpy(c->name, "isp1301_pnx", I2C_NAME_SIZE);
- c->flags = 0;
- c->addr = addr;
- c->adapter = adap;
- c->driver = &isp1301_driver;
-
- err = i2c_attach_client(c);
- if (err) {
- kfree(c);
- return err;
- }
-
- isp1301_i2c_client = c;
-
return 0;
}
-static int isp1301_probe(struct i2c_adapter *adap)
+static int isp1301_remove(struct i2c_client *client)
{
- return i2c_probe(adap, &addr_data, isp1301_attach);
-}
-
-static int isp1301_detach(struct i2c_client *client)
-{
- i2c_detach_client(client);
- kfree(isp1301_i2c_client);
return 0;
}
+const struct i2c_device_id isp1301_id[] = {
+ { "isp1301_pnx", 0 },
+ { }
+};
+
+struct i2c_driver isp1301_driver = {
+ .driver = {
+ .name = "isp1301_pnx",
+ },
+ .probe = isp1301_probe,
+ .remove = isp1301_remove,
+ .id_table = isp1301_id,
+};
+
static void i2c_write(u8 buf, u8 subaddr)
{
char tmpbuf[2];
@@ -328,6 +297,8 @@ static int __devinit usb_hcd_pnx4008_probe(struct platform_device *pdev)
struct usb_hcd *hcd = 0;
struct ohci_hcd *ohci;
const struct hc_driver *driver = &ohci_pnx4008_hc_driver;
+ struct i2c_adapter *i2c_adap;
+ struct i2c_board_info i2c_info;
int ret = 0, irq;
@@ -351,9 +322,20 @@ static int __devinit usb_hcd_pnx4008_probe(struct platform_device *pdev)
ret = i2c_add_driver(&isp1301_driver);
if (ret < 0) {
- err("failed to connect I2C to ISP1301 USB Transceiver");
+ err("failed to add ISP1301 driver");
goto out;
}
+ i2c_adap = i2c_get_adapter(2);
+ memset(&i2c_info, 0, sizeof(struct i2c_board_info));
+ strlcpy(i2c_info.name, "isp1301_pnx", I2C_NAME_SIZE);
+ isp1301_i2c_client = i2c_new_probed_device(i2c_adap, &i2c_info,
+ normal_i2c);
+ i2c_put_adapter(i2c_adap);
+ if (!isp1301_i2c_client) {
+ err("failed to connect I2C to ISP1301 USB Transceiver");
+ ret = -ENODEV;
+ goto out_i2c_driver;
+ }
isp1301_configure();
@@ -429,6 +411,9 @@ out3:
out2:
clk_put(usb_clk);
out1:
+ i2c_unregister_client(isp1301_i2c_client);
+ isp1301_i2c_client = NULL;
+out_i2c_driver:
i2c_del_driver(&isp1301_driver);
out:
return ret;
@@ -445,6 +430,8 @@ static int usb_hcd_pnx4008_remove(struct platform_device *pdev)
pnx4008_unset_usb_bits();
clk_disable(usb_clk);
clk_put(usb_clk);
+ i2c_unregister_client(isp1301_i2c_client);
+ isp1301_i2c_client = NULL;
i2c_del_driver(&isp1301_driver);
platform_set_drvdata(pdev, NULL);