drm/panel: ltk050h3146w: use dev_err_probe wherever possible
This is only a cosmetic change. This replaces a hand-crafted EPROBE_DEFER handling for deciding to print an error message with dev_err_probe. A side-effect is that dev_err_probe also adds a debug message when it's not EPROBE_DEFER, but this is seen as an improvement. Cc: Quentin Schulz <foss+kernel@0leil.net> Signed-off-by: Quentin Schulz <quentin.schulz@theobroma-systems.com> Reviewed-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Link: https://patchwork.freedesktop.org/patch/msgid/20240104-ltk-dev_err_probe-v1-2-8ef3c0b585d8@theobroma-systems.com
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@ -650,20 +650,13 @@ static int ltk050h3146w_probe(struct mipi_dsi_device *dsi)
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return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio), "cannot get reset gpio\n");
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ctx->vci = devm_regulator_get(dev, "vci");
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if (IS_ERR(ctx->vci)) {
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ret = PTR_ERR(ctx->vci);
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if (ret != -EPROBE_DEFER)
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dev_err(dev, "Failed to request vci regulator: %d\n", ret);
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return ret;
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}
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if (IS_ERR(ctx->vci))
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return dev_err_probe(dev, PTR_ERR(ctx->vci), "Failed to request vci regulator\n");
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ctx->iovcc = devm_regulator_get(dev, "iovcc");
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if (IS_ERR(ctx->iovcc)) {
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ret = PTR_ERR(ctx->iovcc);
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if (ret != -EPROBE_DEFER)
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dev_err(dev, "Failed to request iovcc regulator: %d\n", ret);
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return ret;
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}
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if (IS_ERR(ctx->iovcc))
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return dev_err_probe(dev, PTR_ERR(ctx->iovcc),
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"Failed to request iovcc regulator\n");
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mipi_dsi_set_drvdata(dsi, ctx);
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