diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/hwmon/abituguru.c | 21 | ||||
-rw-r--r-- | drivers/i2c/algos/i2c-algo-bit.c | 4 | ||||
-rw-r--r-- | drivers/i2c/algos/i2c-algo-ite.c | 4 | ||||
-rw-r--r-- | drivers/i2c/algos/i2c-algo-pca.c | 6 | ||||
-rw-r--r-- | drivers/i2c/algos/i2c-algo-pcf.c | 8 | ||||
-rw-r--r-- | drivers/i2c/algos/i2c-algo-sibyte.c | 4 | ||||
-rw-r--r-- | drivers/i2c/busses/i2c-iop3xx.c | 17 | ||||
-rw-r--r-- | drivers/i2c/busses/i2c-iop3xx.h | 2 | ||||
-rw-r--r-- | drivers/i2c/busses/i2c-powermac.c | 4 | ||||
-rw-r--r-- | drivers/i2c/busses/scx200_acb.c | 20 | ||||
-rw-r--r-- | drivers/i2c/chips/pca9539.c | 12 | ||||
-rw-r--r-- | drivers/i2c/i2c-core.c | 4 |
12 files changed, 63 insertions, 43 deletions
diff --git a/drivers/hwmon/abituguru.c b/drivers/hwmon/abituguru.c index 59122cc0a50..cc15c4f2e9e 100644 --- a/drivers/hwmon/abituguru.c +++ b/drivers/hwmon/abituguru.c @@ -142,6 +142,14 @@ static const u8 abituguru_pwm_max[5] = { 0, 255, 255, 75, 75 }; static int force; module_param(force, bool, 0); MODULE_PARM_DESC(force, "Set to one to force detection."); +static int bank1_types[ABIT_UGURU_MAX_BANK1_SENSORS] = { -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }; +module_param_array(bank1_types, int, NULL, 0); +MODULE_PARM_DESC(bank1_types, "Bank1 sensortype autodetection override:\n" + " -1 autodetect\n" + " 0 volt sensor\n" + " 1 temp sensor\n" + " 2 not connected"); static int fan_sensors; module_param(fan_sensors, int, 0); MODULE_PARM_DESC(fan_sensors, "Number of fan sensors on the uGuru " @@ -397,6 +405,15 @@ abituguru_detect_bank1_sensor_type(struct abituguru_data *data, u8 val, buf[3]; int ret = ABIT_UGURU_NC; + /* If overriden by the user return the user selected type */ + if (bank1_types[sensor_addr] >= ABIT_UGURU_IN_SENSOR && + bank1_types[sensor_addr] <= ABIT_UGURU_NC) { + ABIT_UGURU_DEBUG(2, "assuming sensor type %d for bank1 sensor " + "%d because of \"bank1_types\" module param\n", + bank1_types[sensor_addr], (int)sensor_addr); + return bank1_types[sensor_addr]; + } + /* First read the sensor and the current settings */ if (abituguru_read(data, ABIT_UGURU_SENSOR_BANK1, sensor_addr, &val, 1, ABIT_UGURU_MAX_RETRIES) != 1) @@ -514,7 +531,7 @@ abituguru_detect_no_bank2_sensors(struct abituguru_data *data) { int i; - if (fan_sensors) { + if (fan_sensors > 0 && fan_sensors <= ABIT_UGURU_MAX_BANK2_SENSORS) { data->bank2_sensors = fan_sensors; ABIT_UGURU_DEBUG(2, "assuming %d fan sensors because of " "\"fan_sensors\" module param\n", @@ -568,7 +585,7 @@ abituguru_detect_no_pwms(struct abituguru_data *data) { int i, j; - if (pwms) { + if (pwms > 0 && pwms <= ABIT_UGURU_MAX_PWMS) { data->pwms = pwms; ABIT_UGURU_DEBUG(2, "assuming %d PWM outputs because of " "\"pwms\" module param\n", (int)data->pwms); diff --git a/drivers/i2c/algos/i2c-algo-bit.c b/drivers/i2c/algos/i2c-algo-bit.c index df05df1a0ef..ab230c033f9 100644 --- a/drivers/i2c/algos/i2c-algo-bit.c +++ b/drivers/i2c/algos/i2c-algo-bit.c @@ -372,7 +372,6 @@ static inline int readbytes(struct i2c_adapter *i2c_adap, struct i2c_msg *msg) while (count > 0) { inval = i2c_inb(i2c_adap); -/*printk("%#02x ",inval); if ( ! (count % 16) ) printk("\n"); */ if (inval>=0) { *temp = inval; rdcount++; @@ -544,8 +543,7 @@ int i2c_bit_add_bus(struct i2c_adapter *adap) adap->timeout = 100; /* default values, should */ adap->retries = 3; /* be replaced by defines */ - i2c_add_adapter(adap); - return 0; + return i2c_add_adapter(adap); } diff --git a/drivers/i2c/algos/i2c-algo-ite.c b/drivers/i2c/algos/i2c-algo-ite.c index 2db7bfc8522..70d8eefb5ef 100644 --- a/drivers/i2c/algos/i2c-algo-ite.c +++ b/drivers/i2c/algos/i2c-algo-ite.c @@ -742,10 +742,8 @@ int i2c_iic_add_bus(struct i2c_adapter *adap) adap->retries = 3; /* be replaced by defines */ adap->flags = 0; - i2c_add_adapter(adap); iic_init(iic_adap); - - return 0; + return i2c_add_adapter(adap); } diff --git a/drivers/i2c/algos/i2c-algo-pca.c b/drivers/i2c/algos/i2c-algo-pca.c index 82946acab4c..b88a6fcf7bd 100644 --- a/drivers/i2c/algos/i2c-algo-pca.c +++ b/drivers/i2c/algos/i2c-algo-pca.c @@ -374,10 +374,10 @@ int i2c_pca_add_bus(struct i2c_adapter *adap) adap->timeout = 100; /* default values, should */ adap->retries = 3; /* be replaced by defines */ - rval = pca_init(pca_adap); + if ((rval = pca_init(pca_adap))) + return rval; - if (!rval) - i2c_add_adapter(adap); + rval = i2c_add_adapter(adap); return rval; } diff --git a/drivers/i2c/algos/i2c-algo-pcf.c b/drivers/i2c/algos/i2c-algo-pcf.c index 6e498df1f71..5b24930adb5 100644 --- a/drivers/i2c/algos/i2c-algo-pcf.c +++ b/drivers/i2c/algos/i2c-algo-pcf.c @@ -479,9 +479,11 @@ int i2c_pcf_add_bus(struct i2c_adapter *adap) adap->timeout = 100; /* default values, should */ adap->retries = 3; /* be replaced by defines */ - rval = pcf_init_8584(pcf_adap); - if (!rval) - i2c_add_adapter(adap); + if ((rval = pcf_init_8584(pcf_adap))) + return rval; + + rval = i2c_add_adapter(adap); + return rval; } diff --git a/drivers/i2c/algos/i2c-algo-sibyte.c b/drivers/i2c/algos/i2c-algo-sibyte.c index 3df3f09995c..32d41c6fac0 100644 --- a/drivers/i2c/algos/i2c-algo-sibyte.c +++ b/drivers/i2c/algos/i2c-algo-sibyte.c @@ -173,9 +173,7 @@ int i2c_sibyte_add_bus(struct i2c_adapter *i2c_adap, int speed) printk("\n"); } - i2c_add_adapter(i2c_adap); - - return 0; + return i2c_add_adapter(i2c_adap); } diff --git a/drivers/i2c/busses/i2c-iop3xx.c b/drivers/i2c/busses/i2c-iop3xx.c index aca7e166860..48c56939c86 100644 --- a/drivers/i2c/busses/i2c-iop3xx.c +++ b/drivers/i2c/busses/i2c-iop3xx.c @@ -21,6 +21,9 @@ * - Make it work with IXP46x chips * - Cleanup function names, coding style, etc * + * - writing to slave address causes latchup on iop331. + * fix: driver refuses to address self. + * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, version 2. @@ -73,12 +76,6 @@ iop3xx_i2c_reset(struct i2c_algo_iop3xx_data *iop3xx_adap) } static void -iop3xx_i2c_set_slave_addr(struct i2c_algo_iop3xx_data *iop3xx_adap) -{ - __raw_writel(MYSAR, iop3xx_adap->ioaddr + SAR_OFFSET); -} - -static void iop3xx_i2c_enable(struct i2c_algo_iop3xx_data *iop3xx_adap) { u32 cr = IOP3XX_ICR_GCD | IOP3XX_ICR_SCLEN | IOP3XX_ICR_UE; @@ -248,6 +245,13 @@ iop3xx_i2c_send_target_addr(struct i2c_algo_iop3xx_data *iop3xx_adap, int status; int rc; + /* avoid writing to my slave address (hangs on 80331), + * forbidden in Intel developer manual + */ + if (msg->addr == MYSAR) { + return -EBUSY; + } + __raw_writel(iic_cook_addr(msg), iop3xx_adap->ioaddr + DBR_OFFSET); cr &= ~(IOP3XX_ICR_MSTOP | IOP3XX_ICR_NACK); @@ -498,7 +502,6 @@ iop3xx_i2c_probe(struct platform_device *pdev) spin_lock_init(&adapter_data->lock); iop3xx_i2c_reset(adapter_data); - iop3xx_i2c_set_slave_addr(adapter_data); iop3xx_i2c_enable(adapter_data); platform_set_drvdata(pdev, new_adapter); diff --git a/drivers/i2c/busses/i2c-iop3xx.h b/drivers/i2c/busses/i2c-iop3xx.h index e46ebaea7b1..8485861f6a3 100644 --- a/drivers/i2c/busses/i2c-iop3xx.h +++ b/drivers/i2c/busses/i2c-iop3xx.h @@ -80,7 +80,7 @@ #define IOP3XX_GPOD_I2C0 0x00c0 /* clear these bits to enable ch0 */ #define IOP3XX_GPOD_I2C1 0x0030 /* clear these bits to enable ch1 */ -#define MYSAR 0x02 /* SWAG a suitable slave address */ +#define MYSAR 0 /* default slave address */ #define I2C_ERR 321 #define I2C_ERR_BERR (I2C_ERR+0) diff --git a/drivers/i2c/busses/i2c-powermac.c b/drivers/i2c/busses/i2c-powermac.c index 2a0b3be7cdd..53bb4359386 100644 --- a/drivers/i2c/busses/i2c-powermac.c +++ b/drivers/i2c/busses/i2c-powermac.c @@ -148,8 +148,6 @@ static int i2c_powermac_master_xfer( struct i2c_adapter *adap, int read; int addrdir; - if (num != 1) - return -EINVAL; if (msgs->flags & I2C_M_TEN) return -EINVAL; read = (msgs->flags & I2C_M_RD) != 0; @@ -166,7 +164,7 @@ static int i2c_powermac_master_xfer( struct i2c_adapter *adap, rc = pmac_i2c_xfer(bus, addrdir, 0, 0, msgs->buf, msgs->len); bail: pmac_i2c_close(bus); - return rc < 0 ? rc : msgs->len; + return rc < 0 ? rc : 1; } static u32 i2c_powermac_func(struct i2c_adapter * adapter) diff --git a/drivers/i2c/busses/scx200_acb.c b/drivers/i2c/busses/scx200_acb.c index 22a3eda0416..ced309ff056 100644 --- a/drivers/i2c/busses/scx200_acb.c +++ b/drivers/i2c/busses/scx200_acb.c @@ -184,21 +184,21 @@ static void scx200_acb_machine(struct scx200_acb_iface *iface, u8 status) break; case state_read: - /* Set ACK if receiving the last byte */ - if (iface->len == 1) + /* Set ACK if _next_ byte will be the last one */ + if (iface->len == 2) outb(inb(ACBCTL1) | ACBCTL1_ACK, ACBCTL1); else outb(inb(ACBCTL1) & ~ACBCTL1_ACK, ACBCTL1); - *iface->ptr++ = inb(ACBSDA); - --iface->len; - - if (iface->len == 0) { + if (iface->len == 1) { iface->result = 0; iface->state = state_idle; outb(inb(ACBCTL1) | ACBCTL1_STOP, ACBCTL1); } + *iface->ptr++ = inb(ACBSDA); + --iface->len; + break; case state_write: @@ -307,8 +307,12 @@ static s32 scx200_acb_smbus_xfer(struct i2c_adapter *adapter, buffer = (u8 *)&cur_word; break; - case I2C_SMBUS_BLOCK_DATA: + case I2C_SMBUS_I2C_BLOCK_DATA: + if (rw == I2C_SMBUS_READ) + data->block[0] = I2C_SMBUS_BLOCK_MAX; /* For now */ len = data->block[0]; + if (len == 0 || len > I2C_SMBUS_BLOCK_MAX) + return -EINVAL; buffer = &data->block[1]; break; @@ -372,7 +376,7 @@ static u32 scx200_acb_func(struct i2c_adapter *adapter) { return I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE | I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA | - I2C_FUNC_SMBUS_BLOCK_DATA; + I2C_FUNC_SMBUS_I2C_BLOCK; } /* For now, we only handle combined mode (smbus) */ diff --git a/drivers/i2c/chips/pca9539.c b/drivers/i2c/chips/pca9539.c index 54b6e6a4bee..cb22280cdd2 100644 --- a/drivers/i2c/chips/pca9539.c +++ b/drivers/i2c/chips/pca9539.c @@ -134,11 +134,13 @@ static int pca9539_detect(struct i2c_adapter *adapter, int address, int kind) new_client->driver = &pca9539_driver; new_client->flags = 0; - /* Detection: the pca9539 only has 8 registers (0-7). - A read of 7 should succeed, but a read of 8 should fail. */ - if ((i2c_smbus_read_byte_data(new_client, 7) < 0) || - (i2c_smbus_read_byte_data(new_client, 8) >= 0)) - goto exit_kfree; + if (kind < 0) { + /* Detection: the pca9539 only has 8 registers (0-7). + A read of 7 should succeed, but a read of 8 should fail. */ + if ((i2c_smbus_read_byte_data(new_client, 7) < 0) || + (i2c_smbus_read_byte_data(new_client, 8) >= 0)) + goto exit_kfree; + } strlcpy(new_client->name, "pca9539", I2C_NAME_SIZE); diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index a45155f799d..9cb277d6aa4 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -756,9 +756,9 @@ int i2c_probe(struct i2c_adapter *adapter, "parameter for adapter %d, " "addr 0x%02x\n", adap_id, address_data->ignore[j + 1]); + ignore = 1; + break; } - ignore = 1; - break; } if (ignore) continue; |