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WSL2-Linux-Kernel
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i2c: Let bus drivers add SPD to their class 

Let general purpose I2C/SMBus bus drivers add SPD to their class. Once
this is done, we will be able to tell the eeprom driver to only probe
for SPD EEPROMs and similar on these buses.

Note that I took a conservative approach here, adding I2C_CLASS_SPD to
many drivers that have no idea whether they can host SPD EEPROMs or not.
This is to make sure that the eeprom driver doesn't stop probing buses
where SPD EEPROMs or equivalent live.

So, bus driver maintainers and users should feel free to remove the SPD
class from drivers those buses never have SPD EEPROMs or they don't
want the eeprom driver to bind to them. Likewise, feel free to add the
SPD class to any bus driver I might have missed.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
This commit is contained in:
Jean Delvare 2008-07-14 22:38:29 +02:00 коммит произвёл Jean Delvare
Родитель c1b6b4f234
Коммит 3401b2fff3
29 изменённых файлов: 31 добавлений и 30 удалений
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2
drivers/i2c/busses/i2c-ali1535.c
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@ -473,7 +473,7 @@ static const struct i2c_algorithm smbus_algorithm = {
static struct i2c_adapter ali1535_adapter = {
.owner = THIS_MODULE,
.id = I2C_HW_SMBUS_ALI1535,
.class = I2C_CLASS_HWMON,
.class = I2C_CLASS_HWMON | I2C_CLASS_SPD,
.algo = &smbus_algorithm,
};

2
drivers/i2c/busses/i2c-ali1563.c
Просмотреть файл

@ -382,7 +382,7 @@ static const struct i2c_algorithm ali1563_algorithm = {
static struct i2c_adapter ali1563_adapter = {
.owner = THIS_MODULE,
.id = I2C_HW_SMBUS_ALI1563,
.class = I2C_CLASS_HWMON,
.class = I2C_CLASS_HWMON | I2C_CLASS_SPD,
.algo = &ali1563_algorithm,
};

2
drivers/i2c/busses/i2c-ali15x3.c
Просмотреть файл

@ -471,7 +471,7 @@ static const struct i2c_algorithm smbus_algorithm = {
static struct i2c_adapter ali15x3_adapter = {
.owner = THIS_MODULE,
.id = I2C_HW_SMBUS_ALI15X3,
.class = I2C_CLASS_HWMON,
.class = I2C_CLASS_HWMON | I2C_CLASS_SPD,
.algo = &smbus_algorithm,
};

2
drivers/i2c/busses/i2c-amd756.c
Просмотреть файл

@ -301,7 +301,7 @@ static const struct i2c_algorithm smbus_algorithm = {
struct i2c_adapter amd756_smbus = {
.owner = THIS_MODULE,
.id = I2C_HW_SMBUS_AMD756,
.class = I2C_CLASS_HWMON,
.class = I2C_CLASS_HWMON | I2C_CLASS_SPD,
.algo = &smbus_algorithm,
};

2
drivers/i2c/busses/i2c-amd8111.c
Просмотреть файл

@ -383,7 +383,7 @@ static int __devinit amd8111_probe(struct pci_dev *dev,
snprintf(smbus->adapter.name, sizeof(smbus->adapter.name),
"SMBus2 AMD8111 adapter at %04x", smbus->base);
smbus->adapter.id = I2C_HW_SMBUS_AMD8111;
smbus->adapter.class = I2C_CLASS_HWMON;
smbus->adapter.class = I2C_CLASS_HWMON | I2C_CLASS_SPD;
smbus->adapter.algo = &smbus_algorithm;
smbus->adapter.algo_data = smbus;

2
drivers/i2c/busses/i2c-cpm.c
Просмотреть файл

@ -423,7 +423,7 @@ static const struct i2c_adapter cpm_ops = {
.owner = THIS_MODULE,
.name = "i2c-cpm",
.algo = &cpm_i2c_algo,
.class = I2C_CLASS_HWMON,
.class = I2C_CLASS_HWMON | I2C_CLASS_SPD,
};
static int __devinit cpm_i2c_setup(struct cpm_i2c *cpm)

2
drivers/i2c/busses/i2c-elektor.c
Просмотреть файл

@ -202,7 +202,7 @@ static struct i2c_algo_pcf_data pcf_isa_data = {
static struct i2c_adapter pcf_isa_ops = {
.owner = THIS_MODULE,
.class = I2C_CLASS_HWMON,
.class = I2C_CLASS_HWMON | I2C_CLASS_SPD,
.id = I2C_HW_P_ELEK,
.algo_data = &pcf_isa_data,
.name = "i2c-elektor",

2
drivers/i2c/busses/i2c-gpio.c
Просмотреть файл

@ -140,7 +140,7 @@ static int __init i2c_gpio_probe(struct platform_device *pdev)
adap->owner = THIS_MODULE;
snprintf(adap->name, sizeof(adap->name), "i2c-gpio%d", pdev->id);
adap->algo_data = bit_data;
adap->class = I2C_CLASS_HWMON;
adap->class = I2C_CLASS_HWMON | I2C_CLASS_SPD;
adap->dev.parent = &pdev->dev;
/*

2
drivers/i2c/busses/i2c-i801.c
Просмотреть файл

@ -573,7 +573,7 @@ static const struct i2c_algorithm smbus_algorithm = {
static struct i2c_adapter i801_adapter = {
.owner = THIS_MODULE,
.id = I2C_HW_SMBUS_I801,
.class = I2C_CLASS_HWMON,
.class = I2C_CLASS_HWMON | I2C_CLASS_SPD,
.algo = &smbus_algorithm,
};

4
drivers/i2c/busses/i2c-ibm_iic.c
Просмотреть файл

@ -740,7 +740,7 @@ static int __devinit iic_probe(struct ocp_device *ocp){
strcpy(adap->name, "IBM IIC");
i2c_set_adapdata(adap, dev);
adap->id = I2C_HW_OCP;
adap->class = I2C_CLASS_HWMON;
adap->class = I2C_CLASS_HWMON | I2C_CLASS_SPD;
adap->algo = &iic_algo;
adap->client_register = NULL;
adap->client_unregister = NULL;
@ -934,7 +934,7 @@ static int __devinit iic_probe(struct of_device *ofdev,
strlcpy(adap->name, "IBM IIC", sizeof(adap->name));
i2c_set_adapdata(adap, dev);
adap->id = I2C_HW_OCP;
adap->class = I2C_CLASS_HWMON;
adap->class = I2C_CLASS_HWMON | I2C_CLASS_SPD;
adap->algo = &iic_algo;
adap->timeout = 1;
adap->nr = dev->idx;

2
drivers/i2c/busses/i2c-iop3xx.c
Просмотреть файл

@ -482,7 +482,7 @@ iop3xx_i2c_probe(struct platform_device *pdev)
memcpy(new_adapter->name, pdev->name, strlen(pdev->name));
new_adapter->id = I2C_HW_IOP3XX;
new_adapter->owner = THIS_MODULE;
new_adapter->class = I2C_CLASS_HWMON;
new_adapter->class = I2C_CLASS_HWMON | I2C_CLASS_SPD;
new_adapter->dev.parent = &pdev->dev;
new_adapter->nr = pdev->id;

2
drivers/i2c/busses/i2c-isch.c
Просмотреть файл

@ -251,7 +251,7 @@ static const struct i2c_algorithm smbus_algorithm = {
static struct i2c_adapter sch_adapter = {
.owner = THIS_MODULE,
.class = I2C_CLASS_HWMON,
.class = I2C_CLASS_HWMON | I2C_CLASS_SPD,
.algo = &smbus_algorithm,
};

2
drivers/i2c/busses/i2c-mpc.c
Просмотреть файл

@ -311,7 +311,7 @@ static struct i2c_adapter mpc_ops = {
.name = "MPC adapter",
.id = I2C_HW_MPC107,
.algo = &mpc_algo,
.class = I2C_CLASS_HWMON,
.class = I2C_CLASS_HWMON | I2C_CLASS_SPD,
.timeout = 1,
};

2
drivers/i2c/busses/i2c-mv64xxx.c
Просмотреть файл

@ -530,7 +530,7 @@ mv64xxx_i2c_probe(struct platform_device *pd)
drv_data->adapter.id = I2C_HW_MV64XXX;
drv_data->adapter.algo = &mv64xxx_i2c_algo;
drv_data->adapter.owner = THIS_MODULE;
drv_data->adapter.class = I2C_CLASS_HWMON;
drv_data->adapter.class = I2C_CLASS_HWMON | I2C_CLASS_SPD;
drv_data->adapter.timeout = pdata->timeout;
drv_data->adapter.nr = pd->id;
platform_set_drvdata(pd, drv_data);

2
drivers/i2c/busses/i2c-nforce2.c
Просмотреть файл

@ -350,7 +350,7 @@ static int __devinit nforce2_probe_smb (struct pci_dev *dev, int bar,
}
smbus->adapter.owner = THIS_MODULE;
smbus->adapter.id = I2C_HW_SMBUS_NFORCE2;
smbus->adapter.class = I2C_CLASS_HWMON;
smbus->adapter.class = I2C_CLASS_HWMON | I2C_CLASS_SPD;
smbus->adapter.algo = &smbus_algorithm;
smbus->adapter.algo_data = smbus;
smbus->adapter.dev.parent = &dev->dev;

2
drivers/i2c/busses/i2c-ocores.c
Просмотреть файл

@ -205,7 +205,7 @@ static const struct i2c_algorithm ocores_algorithm = {
static struct i2c_adapter ocores_adapter = {
.owner = THIS_MODULE,
.name = "i2c-ocores",
.class = I2C_CLASS_HWMON,
.class = I2C_CLASS_HWMON | I2C_CLASS_SPD,
.algo = &ocores_algorithm,
};

2
drivers/i2c/busses/i2c-pasemi.c
Просмотреть файл

@ -365,7 +365,7 @@ static int __devinit pasemi_smb_probe(struct pci_dev *dev,
smbus->adapter.owner = THIS_MODULE;
snprintf(smbus->adapter.name, sizeof(smbus->adapter.name),
"PA Semi SMBus adapter at 0x%lx", smbus->base);
smbus->adapter.class = I2C_CLASS_HWMON;
smbus->adapter.class = I2C_CLASS_HWMON | I2C_CLASS_SPD;
smbus->adapter.algo = &smbus_algorithm;
smbus->adapter.algo_data = smbus;
smbus->adapter.nr = PCI_FUNC(dev->devfn);

2
drivers/i2c/busses/i2c-piix4.c
Просмотреть файл

@ -402,7 +402,7 @@ static const struct i2c_algorithm smbus_algorithm = {
static struct i2c_adapter piix4_adapter = {
.owner = THIS_MODULE,
.id = I2C_HW_SMBUS_PIIX4,
.class = I2C_CLASS_HWMON,
.class = I2C_CLASS_HWMON | I2C_CLASS_SPD,
.algo = &smbus_algorithm,
};

2
drivers/i2c/busses/i2c-pmcmsp.c
Просмотреть файл

@ -622,7 +622,7 @@ static struct i2c_algorithm pmcmsptwi_algo = {
static struct i2c_adapter pmcmsptwi_adapter = {
.owner = THIS_MODULE,
.class = I2C_CLASS_HWMON,
.class = I2C_CLASS_HWMON | I2C_CLASS_SPD,
.algo = &pmcmsptwi_algo,
.name = DRV_NAME,
};

2
drivers/i2c/busses/i2c-s3c2410.c
Просмотреть файл

@ -590,7 +590,7 @@ static struct s3c24xx_i2c s3c24xx_i2c = {
.owner = THIS_MODULE,
.algo = &s3c24xx_i2c_algorithm,
.retries = 2,
.class = I2C_CLASS_HWMON,
.class = I2C_CLASS_HWMON | I2C_CLASS_SPD,
},
};

4
drivers/i2c/busses/i2c-sibyte.c
Просмотреть файл

@ -156,7 +156,7 @@ static struct i2c_adapter sibyte_board_adapter[2] = {
{
.owner = THIS_MODULE,
.id = I2C_HW_SIBYTE,
.class = I2C_CLASS_HWMON,
.class = I2C_CLASS_HWMON | I2C_CLASS_SPD,
.algo = NULL,
.algo_data = &sibyte_board_data[0],
.name = "SiByte SMBus 0",
@ -164,7 +164,7 @@ static struct i2c_adapter sibyte_board_adapter[2] = {
{
.owner = THIS_MODULE,
.id = I2C_HW_SIBYTE,
.class = I2C_CLASS_HWMON,
.class = I2C_CLASS_HWMON | I2C_CLASS_SPD,
.algo = NULL,
.algo_data = &sibyte_board_data[1],
.name = "SiByte SMBus 1",

2
drivers/i2c/busses/i2c-sis5595.c
Просмотреть файл

@ -362,7 +362,7 @@ static const struct i2c_algorithm smbus_algorithm = {
static struct i2c_adapter sis5595_adapter = {
.owner = THIS_MODULE,
.id = I2C_HW_SMBUS_SIS5595,
.class = I2C_CLASS_HWMON,
.class = I2C_CLASS_HWMON | I2C_CLASS_SPD,
.algo = &smbus_algorithm,
};

2
drivers/i2c/busses/i2c-sis630.c
Просмотреть файл

@ -462,7 +462,7 @@ static const struct i2c_algorithm smbus_algorithm = {
static struct i2c_adapter sis630_adapter = {
.owner = THIS_MODULE,
.id = I2C_HW_SMBUS_SIS630,
.class = I2C_CLASS_HWMON,
.class = I2C_CLASS_HWMON | I2C_CLASS_SPD,
.algo = &smbus_algorithm,
};

2
drivers/i2c/busses/i2c-sis96x.c
Просмотреть файл

@ -244,7 +244,7 @@ static const struct i2c_algorithm smbus_algorithm = {
static struct i2c_adapter sis96x_adapter = {
.owner = THIS_MODULE,
.id = I2C_HW_SMBUS_SIS96X,
.class = I2C_CLASS_HWMON,
.class = I2C_CLASS_HWMON | I2C_CLASS_SPD,
.algo = &smbus_algorithm,
};

2
drivers/i2c/busses/i2c-stub.c
Просмотреть файл

@ -140,7 +140,7 @@ static const struct i2c_algorithm smbus_algorithm = {
static struct i2c_adapter stub_adapter = {
.owner = THIS_MODULE,
.class = I2C_CLASS_HWMON,
.class = I2C_CLASS_HWMON | I2C_CLASS_SPD,
.algo = &smbus_algorithm,
.name = "SMBus stub driver",
};

2
drivers/i2c/busses/i2c-via.c
Просмотреть файл

@ -87,7 +87,7 @@ static struct i2c_algo_bit_data bit_data = {
static struct i2c_adapter vt586b_adapter = {
.owner = THIS_MODULE,
.id = I2C_HW_B_VIA,
.class = I2C_CLASS_HWMON,
.class = I2C_CLASS_HWMON | I2C_CLASS_SPD,
.name = "VIA i2c",
.algo_data = &bit_data,
};

2
drivers/i2c/busses/i2c-viapro.c
Просмотреть файл

@ -311,7 +311,7 @@ static const struct i2c_algorithm smbus_algorithm = {
static struct i2c_adapter vt596_adapter = {
.owner = THIS_MODULE,
.id = I2C_HW_SMBUS_VIA2,
.class = I2C_CLASS_HWMON,
.class = I2C_CLASS_HWMON | I2C_CLASS_SPD,
.algo = &smbus_algorithm,
};

2
drivers/i2c/busses/scx200_acb.c
Просмотреть файл

@ -442,7 +442,7 @@ static __init struct scx200_acb_iface *scx200_create_iface(const char *text,
adapter->owner = THIS_MODULE;
adapter->id = I2C_HW_SMBUS_SCX200;
adapter->algo = &scx200_acb_algorithm;
adapter->class = I2C_CLASS_HWMON;
adapter->class = I2C_CLASS_HWMON | I2C_CLASS_SPD;
adapter->dev.parent = dev;
mutex_init(&iface->mutex);

1
include/linux/i2c.h
Просмотреть файл

@ -353,6 +353,7 @@ static inline void i2c_set_adapdata (struct i2c_adapter *dev, void *data)
#define I2C_CLASS_CAM_ANALOG (1<<4) /* camera with analog CCD */
#define I2C_CLASS_CAM_DIGITAL (1<<5) /* most webcams */
#define I2C_CLASS_SOUND (1<<6) /* sound devices */
#define I2C_CLASS_SPD (1<<7) /* SPD EEPROMs and similar */
#define I2C_CLASS_ALL (UINT_MAX) /* all of the above */
/* i2c_client_address_data is the struct for holding default client