diff options
| -rw-r--r-- | drivers/i3c/master.c | 21 | ||||
| -rw-r--r-- | drivers/i3c/master/dw-i3c-master.c | 6 | ||||
| -rw-r--r-- | drivers/i3c/master/i3c-master-cdns.c | 10 | ||||
| -rw-r--r-- | include/linux/i3c/master.h | 5 |
4 files changed, 16 insertions, 26 deletions
diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c index 5f4bd52121fe..b9d2b88928e1 100644 --- a/drivers/i3c/master.c +++ b/drivers/i3c/master.c @@ -1963,6 +1963,16 @@ of_i3c_master_add_i2c_boardinfo(struct i3c_master_controller *master, if (ret) return ret; + /* + * The I3C Specification does not clearly say I2C devices with 10-bit + * address are supported. These devices can't be passed properly through + * DEFSLVS command. + */ + if (boardinfo->base.flags & I2C_CLIENT_TEN) { + dev_err(&master->dev, "I2C device with 10 bit address not supported."); + return -ENOTSUPP; + } + /* LVR is encoded in reg[2]. */ boardinfo->lvr = reg[2]; @@ -2111,16 +2121,14 @@ static int i3c_master_i2c_adapter_xfer(struct i2c_adapter *adap, return ret ? ret : nxfers; } -static u32 i3c_master_i2c_functionalities(struct i2c_adapter *adap) +static u32 i3c_master_i2c_funcs(struct i2c_adapter *adapter) { - struct i3c_master_controller *master = i2c_adapter_to_i3c_master(adap); - - return master->ops->i2c_funcs(master); + return I2C_FUNC_SMBUS_EMUL | I2C_FUNC_I2C; } static const struct i2c_algorithm i3c_master_i2c_algo = { .master_xfer = i3c_master_i2c_adapter_xfer, - .functionality = i3c_master_i2c_functionalities, + .functionality = i3c_master_i2c_funcs, }; static int i3c_master_i2c_adapter_init(struct i3c_master_controller *master) @@ -2379,8 +2387,7 @@ EXPORT_SYMBOL_GPL(i3c_generic_ibi_recycle_slot); static int i3c_master_check_ops(const struct i3c_master_controller_ops *ops) { if (!ops || !ops->bus_init || !ops->priv_xfers || - !ops->send_ccc_cmd || !ops->do_daa || !ops->i2c_xfers || - !ops->i2c_funcs) + !ops->send_ccc_cmd || !ops->do_daa || !ops->i2c_xfers) return -EINVAL; if (ops->request_ibi && diff --git a/drivers/i3c/master/dw-i3c-master.c b/drivers/i3c/master/dw-i3c-master.c index 1d83c97431c7..d6e517e69f84 100644 --- a/drivers/i3c/master/dw-i3c-master.c +++ b/drivers/i3c/master/dw-i3c-master.c @@ -1060,11 +1060,6 @@ static void dw_i3c_master_detach_i2c_dev(struct i2c_dev_desc *dev) kfree(data); } -static u32 dw_i3c_master_i2c_funcs(struct i3c_master_controller *m) -{ - return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; -} - static irqreturn_t dw_i3c_master_irq_handler(int irq, void *dev_id) { struct dw_i3c_master *master = dev_id; @@ -1099,7 +1094,6 @@ static const struct i3c_master_controller_ops dw_mipi_i3c_ops = { .attach_i2c_dev = dw_i3c_master_attach_i2c_dev, .detach_i2c_dev = dw_i3c_master_detach_i2c_dev, .i2c_xfers = dw_i3c_master_i2c_xfers, - .i2c_funcs = dw_i3c_master_i2c_funcs, }; static int dw_i3c_probe(struct platform_device *pdev) diff --git a/drivers/i3c/master/i3c-master-cdns.c b/drivers/i3c/master/i3c-master-cdns.c index 8889a4fdb454..237f24adddc6 100644 --- a/drivers/i3c/master/i3c-master-cdns.c +++ b/drivers/i3c/master/i3c-master-cdns.c @@ -864,11 +864,6 @@ static int cdns_i3c_master_i2c_xfers(struct i2c_dev_desc *dev, return ret; } -static u32 cdns_i3c_master_i2c_funcs(struct i3c_master_controller *m) -{ - return I2C_FUNC_SMBUS_EMUL | I2C_FUNC_I2C | I2C_FUNC_10BIT_ADDR; -} - struct cdns_i3c_i2c_dev_data { u16 id; s16 ibi; @@ -1010,9 +1005,7 @@ static int cdns_i3c_master_attach_i2c_dev(struct i2c_dev_desc *dev) master->free_rr_slots &= ~BIT(slot); i2c_dev_set_master_data(dev, data); - writel(prepare_rr0_dev_address(dev->boardinfo->base.addr) | - (dev->boardinfo->base.flags & I2C_CLIENT_TEN ? - DEV_ID_RR0_LVR_EXT_ADDR : 0), + writel(prepare_rr0_dev_address(dev->boardinfo->base.addr), master->regs + DEV_ID_RR0(data->id)); writel(dev->boardinfo->lvr, master->regs + DEV_ID_RR2(data->id)); writel(readl(master->regs + DEVS_CTRL) | @@ -1518,7 +1511,6 @@ static const struct i3c_master_controller_ops cdns_i3c_master_ops = { .send_ccc_cmd = cdns_i3c_master_send_ccc_cmd, .priv_xfers = cdns_i3c_master_priv_xfers, .i2c_xfers = cdns_i3c_master_i2c_xfers, - .i2c_funcs = cdns_i3c_master_i2c_funcs, .enable_ibi = cdns_i3c_master_enable_ibi, .disable_ibi = cdns_i3c_master_disable_ibi, .request_ibi = cdns_i3c_master_request_ibi, diff --git a/include/linux/i3c/master.h b/include/linux/i3c/master.h index f13fd8b1dd79..eca8337bdaa5 100644 --- a/include/linux/i3c/master.h +++ b/include/linux/i3c/master.h @@ -48,7 +48,7 @@ struct i3c_i2c_dev_desc { #define I3C_LVR_I2C_INDEX(x) ((x) << 5) #define I3C_LVR_I2C_FM_MODE BIT(4) -#define I2C_MAX_ADDR GENMASK(9, 0) +#define I2C_MAX_ADDR GENMASK(6, 0) /** * struct i2c_dev_boardinfo - I2C device board information @@ -390,8 +390,6 @@ struct i3c_bus { * and i2c_put_dma_safe_msg_buf() helpers provided by the I2C * framework. * This method is mandatory. - * @i2c_funcs: expose the supported I2C functionalities. - * This method is mandatory. * @request_ibi: attach an IBI handler to an I3C device. This implies defining * an IBI handler and the constraints of the IBI (maximum payload * length and number of pre-allocated slots). @@ -437,7 +435,6 @@ struct i3c_master_controller_ops { void (*detach_i2c_dev)(struct i2c_dev_desc *dev); int (*i2c_xfers)(struct i2c_dev_desc *dev, const struct i2c_msg *xfers, int nxfers); - u32 (*i2c_funcs)(struct i3c_master_controller *master); int (*request_ibi)(struct i3c_dev_desc *dev, const struct i3c_ibi_setup *req); void (*free_ibi)(struct i3c_dev_desc *dev); |