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SubjectRe: [PATCH 1/4] drm/bridge: anx7625: Convert to devm_i2c_new_dummy_device()
Hi Hsin-Yi, thanks for your patch, looks good to me.

Reviewed-by: Xin Ji <xji@analogixsemi.com>

On Thu, Jun 30, 2022 at 12:05:47AM +0800, Hsin-Yi Wang wrote:
> Simplify the resource management.
>
> Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
> ---
> drivers/gpu/drm/bridge/analogix/anx7625.c | 96 +++++++----------------
> 1 file changed, 27 insertions(+), 69 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c
> index 3710fa9ee0acd..f89e8151475f7 100644
> --- a/drivers/gpu/drm/bridge/analogix/anx7625.c
> +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
> @@ -2436,82 +2436,44 @@ static const struct drm_bridge_funcs anx7625_bridge_funcs = {
> static int anx7625_register_i2c_dummy_clients(struct anx7625_data *ctx,
> struct i2c_client *client)
> {
> - int err = 0;
> + struct device *dev = &ctx->client->dev;
>
> - ctx->i2c.tx_p0_client = i2c_new_dummy_device(client->adapter,
> - TX_P0_ADDR >> 1);
> + ctx->i2c.tx_p0_client = devm_i2c_new_dummy_device(dev, client->adapter,
> + TX_P0_ADDR >> 1);
> if (IS_ERR(ctx->i2c.tx_p0_client))
> return PTR_ERR(ctx->i2c.tx_p0_client);
>
> - ctx->i2c.tx_p1_client = i2c_new_dummy_device(client->adapter,
> - TX_P1_ADDR >> 1);
> - if (IS_ERR(ctx->i2c.tx_p1_client)) {
> - err = PTR_ERR(ctx->i2c.tx_p1_client);
> - goto free_tx_p0;
> - }
> + ctx->i2c.tx_p1_client = devm_i2c_new_dummy_device(dev, client->adapter,
> + TX_P1_ADDR >> 1);
> + if (IS_ERR(ctx->i2c.tx_p1_client))
> + return PTR_ERR(ctx->i2c.tx_p1_client);
>
> - ctx->i2c.tx_p2_client = i2c_new_dummy_device(client->adapter,
> - TX_P2_ADDR >> 1);
> - if (IS_ERR(ctx->i2c.tx_p2_client)) {
> - err = PTR_ERR(ctx->i2c.tx_p2_client);
> - goto free_tx_p1;
> - }
> + ctx->i2c.tx_p2_client = devm_i2c_new_dummy_device(dev, client->adapter,
> + TX_P2_ADDR >> 1);
> + if (IS_ERR(ctx->i2c.tx_p2_client))
> + return PTR_ERR(ctx->i2c.tx_p2_client);
>
> - ctx->i2c.rx_p0_client = i2c_new_dummy_device(client->adapter,
> - RX_P0_ADDR >> 1);
> - if (IS_ERR(ctx->i2c.rx_p0_client)) {
> - err = PTR_ERR(ctx->i2c.rx_p0_client);
> - goto free_tx_p2;
> - }
> + ctx->i2c.rx_p0_client = devm_i2c_new_dummy_device(dev, client->adapter,
> + RX_P0_ADDR >> 1);
> + if (IS_ERR(ctx->i2c.rx_p0_client))
> + return PTR_ERR(ctx->i2c.rx_p0_client);
>
> - ctx->i2c.rx_p1_client = i2c_new_dummy_device(client->adapter,
> - RX_P1_ADDR >> 1);
> - if (IS_ERR(ctx->i2c.rx_p1_client)) {
> - err = PTR_ERR(ctx->i2c.rx_p1_client);
> - goto free_rx_p0;
> - }
> + ctx->i2c.rx_p1_client = devm_i2c_new_dummy_device(dev, client->adapter,
> + RX_P1_ADDR >> 1);
> + if (IS_ERR(ctx->i2c.rx_p1_client))
> + return PTR_ERR(ctx->i2c.rx_p1_client);
>
> - ctx->i2c.rx_p2_client = i2c_new_dummy_device(client->adapter,
> - RX_P2_ADDR >> 1);
> - if (IS_ERR(ctx->i2c.rx_p2_client)) {
> - err = PTR_ERR(ctx->i2c.rx_p2_client);
> - goto free_rx_p1;
> - }
> + ctx->i2c.rx_p2_client = devm_i2c_new_dummy_device(dev, client->adapter,
> + RX_P2_ADDR >> 1);
> + if (IS_ERR(ctx->i2c.rx_p2_client))
> + return PTR_ERR(ctx->i2c.rx_p2_client);
>
> - ctx->i2c.tcpc_client = i2c_new_dummy_device(client->adapter,
> - TCPC_INTERFACE_ADDR >> 1);
> - if (IS_ERR(ctx->i2c.tcpc_client)) {
> - err = PTR_ERR(ctx->i2c.tcpc_client);
> - goto free_rx_p2;
> - }
> + ctx->i2c.tcpc_client = devm_i2c_new_dummy_device(dev, client->adapter,
> + TCPC_INTERFACE_ADDR >> 1);
> + if (IS_ERR(ctx->i2c.tcpc_client))
> + return PTR_ERR(ctx->i2c.tcpc_client);
>
> return 0;
> -
> -free_rx_p2:
> - i2c_unregister_device(ctx->i2c.rx_p2_client);
> -free_rx_p1:
> - i2c_unregister_device(ctx->i2c.rx_p1_client);
> -free_rx_p0:
> - i2c_unregister_device(ctx->i2c.rx_p0_client);
> -free_tx_p2:
> - i2c_unregister_device(ctx->i2c.tx_p2_client);
> -free_tx_p1:
> - i2c_unregister_device(ctx->i2c.tx_p1_client);
> -free_tx_p0:
> - i2c_unregister_device(ctx->i2c.tx_p0_client);
> -
> - return err;
> -}
> -
> -static void anx7625_unregister_i2c_dummy_clients(struct anx7625_data *ctx)
> -{
> - i2c_unregister_device(ctx->i2c.tx_p0_client);
> - i2c_unregister_device(ctx->i2c.tx_p1_client);
> - i2c_unregister_device(ctx->i2c.tx_p2_client);
> - i2c_unregister_device(ctx->i2c.rx_p0_client);
> - i2c_unregister_device(ctx->i2c.rx_p1_client);
> - i2c_unregister_device(ctx->i2c.rx_p2_client);
> - i2c_unregister_device(ctx->i2c.tcpc_client);
> }
>
> static int __maybe_unused anx7625_runtime_pm_suspend(struct device *dev)
> @@ -2723,8 +2685,6 @@ static int anx7625_i2c_probe(struct i2c_client *client,
> if (!platform->pdata.low_power_mode)
> pm_runtime_put_sync_suspend(&client->dev);
>
> - anx7625_unregister_i2c_dummy_clients(platform);
> -
> free_wq:
> if (platform->workqueue)
> destroy_workqueue(platform->workqueue);
> @@ -2754,8 +2714,6 @@ static int anx7625_i2c_remove(struct i2c_client *client)
> if (!platform->pdata.low_power_mode)
> pm_runtime_put_sync_suspend(&client->dev);
>
> - anx7625_unregister_i2c_dummy_clients(platform);
> -
> if (platform->pdata.audio_en)
> anx7625_unregister_audio(platform);
>
> --
> 2.37.0.rc0.161.g10f37bed90-goog

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