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-rw-r--r--drivers/i3c/device.c50
-rw-r--r--drivers/i3c/master.c28
-rw-r--r--drivers/i3c/master/dw-i3c-master.c2
-rw-r--r--drivers/i3c/master/i3c-master-cdns.c2
-rw-r--r--scripts/mod/devicetable-offsets.c7
-rw-r--r--scripts/mod/file2alias.c19
6 files changed, 75 insertions, 33 deletions
diff --git a/drivers/i3c/device.c b/drivers/i3c/device.c
index 9e2e1406f85e..bb8e60dff988 100644
--- a/drivers/i3c/device.c
+++ b/drivers/i3c/device.c
@@ -213,40 +213,34 @@ i3c_device_match_id(struct i3c_device *i3cdev,
{
struct i3c_device_info devinfo;
const struct i3c_device_id *id;
+ u16 manuf, part, ext_info;
+ bool rndpid;
i3c_device_get_info(i3cdev, &devinfo);
- /*
- * The lower 32bits of the provisional ID is just filled with a random
- * value, try to match using DCR info.
- */
- if (!I3C_PID_RND_LOWER_32BITS(devinfo.pid)) {
- u16 manuf = I3C_PID_MANUF_ID(devinfo.pid);
- u16 part = I3C_PID_PART_ID(devinfo.pid);
- u16 ext_info = I3C_PID_EXTRA_INFO(devinfo.pid);
-
- /* First try to match by manufacturer/part ID. */
- for (id = id_table; id->match_flags != 0; id++) {
- if ((id->match_flags & I3C_MATCH_MANUF_AND_PART) !=
- I3C_MATCH_MANUF_AND_PART)
- continue;
-
- if (manuf != id->manuf_id || part != id->part_id)
- continue;
-
- if ((id->match_flags & I3C_MATCH_EXTRA_INFO) &&
- ext_info != id->extra_info)
- continue;
-
- return id;
- }
- }
+ manuf = I3C_PID_MANUF_ID(devinfo.pid);
+ part = I3C_PID_PART_ID(devinfo.pid);
+ ext_info = I3C_PID_EXTRA_INFO(devinfo.pid);
+ rndpid = I3C_PID_RND_LOWER_32BITS(devinfo.pid);
- /* Fallback to DCR match. */
for (id = id_table; id->match_flags != 0; id++) {
if ((id->match_flags & I3C_MATCH_DCR) &&
- id->dcr == devinfo.dcr)
- return id;
+ id->dcr != devinfo.dcr)
+ continue;
+
+ if ((id->match_flags & I3C_MATCH_MANUF) &&
+ id->manuf_id != manuf)
+ continue;
+
+ if ((id->match_flags & I3C_MATCH_PART) &&
+ (rndpid || id->part_id != part))
+ continue;
+
+ if ((id->match_flags & I3C_MATCH_EXTRA_INFO) &&
+ (rndpid || id->extra_info != ext_info))
+ continue;
+
+ return id;
}
return NULL;
diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c
index 7f8f896fa0c3..d79cd6d54b3a 100644
--- a/drivers/i3c/master.c
+++ b/drivers/i3c/master.c
@@ -241,12 +241,34 @@ out:
}
static DEVICE_ATTR_RO(hdrcap);
+static ssize_t modalias_show(struct device *dev,
+ struct device_attribute *da, char *buf)
+{
+ struct i3c_device *i3c = dev_to_i3cdev(dev);
+ struct i3c_device_info devinfo;
+ u16 manuf, part, ext;
+
+ i3c_device_get_info(i3c, &devinfo);
+ manuf = I3C_PID_MANUF_ID(devinfo.pid);
+ part = I3C_PID_PART_ID(devinfo.pid);
+ ext = I3C_PID_EXTRA_INFO(devinfo.pid);
+
+ if (I3C_PID_RND_LOWER_32BITS(devinfo.pid))
+ return sprintf(buf, "i3c:dcr%02Xmanuf%04X", devinfo.dcr,
+ manuf);
+
+ return sprintf(buf, "i3c:dcr%02Xmanuf%04Xpart%04Xext%04X",
+ devinfo.dcr, manuf, part, ext);
+}
+static DEVICE_ATTR_RO(modalias);
+
static struct attribute *i3c_device_attrs[] = {
&dev_attr_bcr.attr,
&dev_attr_dcr.attr,
&dev_attr_pid.attr,
&dev_attr_dynamic_address.attr,
&dev_attr_hdrcap.attr,
+ &dev_attr_modalias.attr,
NULL,
};
ATTRIBUTE_GROUPS(i3c_device);
@@ -267,7 +289,7 @@ static int i3c_device_uevent(struct device *dev, struct kobj_uevent_env *env)
devinfo.dcr, manuf);
return add_uevent_var(env,
- "MODALIAS=i3c:dcr%02Xmanuf%04Xpart%04xext%04x",
+ "MODALIAS=i3c:dcr%02Xmanuf%04Xpart%04Xext%04X",
devinfo.dcr, manuf, part, ext);
}
@@ -1953,7 +1975,7 @@ of_i3c_master_add_i2c_boardinfo(struct i3c_master_controller *master,
* DEFSLVS command.
*/
if (boardinfo->base.flags & I2C_CLIENT_TEN) {
- dev_err(&master->dev, "I2C device with 10 bit address not supported.");
+ dev_err(dev, "I2C device with 10 bit address not supported.");
return -ENOTSUPP;
}
@@ -2138,7 +2160,7 @@ static int i3c_master_i2c_adapter_init(struct i3c_master_controller *master)
* correctly even if one or more i2c devices are not registered.
*/
i3c_bus_for_each_i2cdev(&master->bus, i2cdev)
- i2cdev->dev = i2c_new_device(adap, &i2cdev->boardinfo->base);
+ i2cdev->dev = i2c_new_client_device(adap, &i2cdev->boardinfo->base);
return 0;
}
diff --git a/drivers/i3c/master/dw-i3c-master.c b/drivers/i3c/master/dw-i3c-master.c
index bd26c3b9634e..5c5306cd50ec 100644
--- a/drivers/i3c/master/dw-i3c-master.c
+++ b/drivers/i3c/master/dw-i3c-master.c
@@ -221,7 +221,7 @@ struct dw_i3c_xfer {
struct completion comp;
int ret;
unsigned int ncmds;
- struct dw_i3c_cmd cmds[0];
+ struct dw_i3c_cmd cmds[];
};
struct dw_i3c_master {
diff --git a/drivers/i3c/master/i3c-master-cdns.c b/drivers/i3c/master/i3c-master-cdns.c
index 54712793709e..3fee8bd7fe20 100644
--- a/drivers/i3c/master/i3c-master-cdns.c
+++ b/drivers/i3c/master/i3c-master-cdns.c
@@ -388,7 +388,7 @@ struct cdns_i3c_xfer {
struct completion comp;
int ret;
unsigned int ncmds;
- struct cdns_i3c_cmd cmds[0];
+ struct cdns_i3c_cmd cmds[];
};
struct cdns_i3c_data {
diff --git a/scripts/mod/devicetable-offsets.c b/scripts/mod/devicetable-offsets.c
index 054405b90ba4..d3c237b9b7c0 100644
--- a/scripts/mod/devicetable-offsets.c
+++ b/scripts/mod/devicetable-offsets.c
@@ -145,6 +145,13 @@ int main(void)
DEVID(i2c_device_id);
DEVID_FIELD(i2c_device_id, name);
+ DEVID(i3c_device_id);
+ DEVID_FIELD(i3c_device_id, match_flags);
+ DEVID_FIELD(i3c_device_id, dcr);
+ DEVID_FIELD(i3c_device_id, manuf_id);
+ DEVID_FIELD(i3c_device_id, part_id);
+ DEVID_FIELD(i3c_device_id, extra_info);
+
DEVID(spi_device_id);
DEVID_FIELD(spi_device_id, name);
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index c91eba751804..f81cbe021a47 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -919,6 +919,24 @@ static int do_i2c_entry(const char *filename, void *symval,
return 1;
}
+static int do_i3c_entry(const char *filename, void *symval,
+ char *alias)
+{
+ DEF_FIELD(symval, i3c_device_id, match_flags);
+ DEF_FIELD(symval, i3c_device_id, dcr);
+ DEF_FIELD(symval, i3c_device_id, manuf_id);
+ DEF_FIELD(symval, i3c_device_id, part_id);
+ DEF_FIELD(symval, i3c_device_id, extra_info);
+
+ strcpy(alias, "i3c:");
+ ADD(alias, "dcr", match_flags & I3C_MATCH_DCR, dcr);
+ ADD(alias, "manuf", match_flags & I3C_MATCH_MANUF, manuf_id);
+ ADD(alias, "part", match_flags & I3C_MATCH_PART, part_id);
+ ADD(alias, "ext", match_flags & I3C_MATCH_EXTRA_INFO, extra_info);
+
+ return 1;
+}
+
/* Looks like: spi:S */
static int do_spi_entry(const char *filename, void *symval,
char *alias)
@@ -1386,6 +1404,7 @@ static const struct devtable devtable[] = {
{"vmbus", SIZE_hv_vmbus_device_id, do_vmbus_entry},
{"rpmsg", SIZE_rpmsg_device_id, do_rpmsg_entry},
{"i2c", SIZE_i2c_device_id, do_i2c_entry},
+ {"i3c", SIZE_i3c_device_id, do_i3c_entry},
{"spi", SIZE_spi_device_id, do_spi_entry},
{"dmi", SIZE_dmi_system_id, do_dmi_entry},
{"platform", SIZE_platform_device_id, do_platform_entry},
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 11:11:58 +0000