[PATCH] drm: bridge: it66121: Extend match support for OF tables

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The driver has OF match table, still it uses ID lookup table for
retrieving match data. Replace ID look up with i2c_get_match_data()
for retrieving OF/ACPI/I2C match data by adding similar match data for
OF table.

While at it, drop unused local varibale id from probe().

Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
---
 This patch is only compile tested.
---
 drivers/gpu/drm/bridge/ite-it66121.c | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/bridge/ite-it66121.c b/drivers/gpu/drm/bridge/ite-it66121.c
index 466641c77fe9..a80246ef4ffe 100644
--- a/drivers/gpu/drm/bridge/ite-it66121.c
+++ b/drivers/gpu/drm/bridge/ite-it66121.c
@@ -1501,7 +1501,6 @@ static const char * const it66121_supplies[] = {
 
 static int it66121_probe(struct i2c_client *client)
 {
-	const struct i2c_device_id *id = i2c_client_get_device_id(client);
 	u32 revision_id, vendor_ids[2] = { 0 }, device_ids[2] = { 0 };
 	struct device_node *ep;
 	int ret;
@@ -1523,7 +1522,7 @@ static int it66121_probe(struct i2c_client *client)
 
 	ctx->dev = dev;
 	ctx->client = client;
-	ctx->info = (const struct it66121_chip_info *) id->driver_data;
+	ctx->info = i2c_get_match_data(client);
 
 	of_property_read_u32(ep, "bus-width", &ctx->bus_width);
 	of_node_put(ep);
@@ -1609,13 +1608,6 @@ static void it66121_remove(struct i2c_client *client)
 	mutex_destroy(&ctx->lock);
 }
 
-static const struct of_device_id it66121_dt_match[] = {
-	{ .compatible = "ite,it66121" },
-	{ .compatible = "ite,it6610" },
-	{ }
-};
-MODULE_DEVICE_TABLE(of, it66121_dt_match);
-
 static const struct it66121_chip_info it66121_chip_info = {
 	.id = ID_IT66121,
 	.vid = 0x4954,
@@ -1628,6 +1620,13 @@ static const struct it66121_chip_info it6610_chip_info = {
 	.pid = 0x0611,
 };
 
+static const struct of_device_id it66121_dt_match[] = {
+	{ .compatible = "ite,it66121", &it66121_chip_info },
+	{ .compatible = "ite,it6610", &it6610_chip_info },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, it66121_dt_match);
+
 static const struct i2c_device_id it66121_id[] = {
 	{ "it66121", (kernel_ulong_t) &it66121_chip_info },
 	{ "it6610", (kernel_ulong_t) &it6610_chip_info },
-- 
2.25.1




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