The isl1208_id[].driver_data could store a pointer to the config, like for DT-based matching, making I2C and DT-based matching more similar. Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx> Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> --- v4->v5: * Added Rb tag from Geert. * Replaced "unsigned long"->"kernel_ulong_t" in isl1208_id[]. v4: * New patch. --- drivers/rtc/rtc-isl1208.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/rtc/rtc-isl1208.c b/drivers/rtc/rtc-isl1208.c index a73eb78b8a40..9955378b4ea6 100644 --- a/drivers/rtc/rtc-isl1208.c +++ b/drivers/rtc/rtc-isl1208.c @@ -90,10 +90,10 @@ static const struct isl1208_config { }; static const struct i2c_device_id isl1208_id[] = { - { "isl1208", TYPE_ISL1208 }, - { "isl1209", TYPE_ISL1209 }, - { "isl1218", TYPE_ISL1218 }, - { "isl1219", TYPE_ISL1219 }, + { "isl1208", .driver_data = (kernel_ulong_t)&isl1208_configs[TYPE_ISL1208] }, + { "isl1209", .driver_data = (kernel_ulong_t)&isl1208_configs[TYPE_ISL1209] }, + { "isl1218", .driver_data = (kernel_ulong_t)&isl1208_configs[TYPE_ISL1218] }, + { "isl1219", .driver_data = (kernel_ulong_t)&isl1208_configs[TYPE_ISL1219] }, { } }; MODULE_DEVICE_TABLE(i2c, isl1208_id); @@ -822,9 +822,9 @@ isl1208_probe(struct i2c_client *client) } else { const struct i2c_device_id *id = i2c_match_id(isl1208_id, client); - if (id->driver_data >= ISL_LAST_ID) + if (!id) return -ENODEV; - isl1208->config = &isl1208_configs[id->driver_data]; + isl1208->config = (struct isl1208_config *)id->driver_data; } isl1208->rtc = devm_rtc_allocate_device(&client->dev); -- 2.25.1