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drm/bridge: ti-sn65dsi83: Handle dsi_lanes == 0 as invalid
[ Upstream commitedbc7960be
] Handle empty data-lanes = < >; property, which translates to dsi_lanes = 0 as invalid. Fixes:ceb515ba29
("drm/bridge: ti-sn65dsi83: Add TI SN65DSI83 and SN65DSI84 driver") Signed-off-by: Marek Vasut <marex@denx.de> Cc: Jonas Karlman <jonas@kwiboo.se> Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com> Cc: Lucas Stach <l.stach@pengutronix.de> Cc: Marek Vasut <marex@denx.de> Cc: Maxime Ripard <maxime@cerno.tech> Cc: Neil Armstrong <narmstrong@baylibre.com> Cc: Robert Foss <robert.foss@linaro.org> Cc: Sam Ravnborg <sam@ravnborg.org> Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com> Reviewed-by: Lucas Stach <l.stach@pengutronix.de> Link: https://patchwork.freedesktop.org/patch/msgid/20220518233844.248504-1-marex@denx.de Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -573,7 +573,7 @@ static int sn65dsi83_parse_dt(struct sn65dsi83 *ctx, enum sn65dsi83_model model)
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ctx->host_node = of_graph_get_remote_port_parent(endpoint);
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of_node_put(endpoint);
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if (ctx->dsi_lanes < 0 || ctx->dsi_lanes > 4) {
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if (ctx->dsi_lanes <= 0 || ctx->dsi_lanes > 4) {
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ret = -EINVAL;
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goto err_put_node;
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}
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