diff options
Diffstat (limited to 'drivers/gpu/drm/omapdrm/dss/dss.c')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/dss/dss.c | 61 |
1 files changed, 13 insertions, 48 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/dss.c b/drivers/gpu/drm/omapdrm/dss/dss.c index ceb483650f8c..fa99ec72d832 100644 --- a/drivers/gpu/drm/omapdrm/dss/dss.c +++ b/drivers/gpu/drm/omapdrm/dss/dss.c @@ -38,6 +38,7 @@ #include <linux/mfd/syscon.h> #include <linux/regmap.h> #include <linux/of.h> +#include <linux/of_graph.h> #include <linux/regulator/consumer.h> #include <linux/suspend.h> #include <linux/component.h> @@ -1035,32 +1036,14 @@ static int dss_init_ports(struct platform_device *pdev) { struct device_node *parent = pdev->dev.of_node; struct device_node *port; - int r; - - if (parent == NULL) - return 0; + int i; - port = omapdss_of_get_next_port(parent, NULL); - if (!port) - return 0; - - if (dss.feat->num_ports == 0) - return 0; - - do { - enum omap_display_type port_type; - u32 reg; - - r = of_property_read_u32(port, "reg", ®); - if (r) - reg = 0; - - if (reg >= dss.feat->num_ports) + for (i = 0; i < dss.feat->num_ports; i++) { + port = of_graph_get_port_by_id(parent, i); + if (!port) continue; - port_type = dss.feat->ports[reg]; - - switch (port_type) { + switch (dss.feat->ports[i]) { case OMAP_DISPLAY_TYPE_DPI: dpi_init_port(pdev, port); break; @@ -1070,7 +1053,7 @@ static int dss_init_ports(struct platform_device *pdev) default: break; } - } while ((port = omapdss_of_get_next_port(parent, port)) != NULL); + } return 0; } @@ -1079,32 +1062,14 @@ static void dss_uninit_ports(struct platform_device *pdev) { struct device_node *parent = pdev->dev.of_node; struct device_node *port; + int i; - if (parent == NULL) - return; - - port = omapdss_of_get_next_port(parent, NULL); - if (!port) - return; - - if (dss.feat->num_ports == 0) - return; - - do { - enum omap_display_type port_type; - u32 reg; - int r; - - r = of_property_read_u32(port, "reg", ®); - if (r) - reg = 0; - - if (reg >= dss.feat->num_ports) + for (i = 0; i < dss.feat->num_ports; i++) { + port = of_graph_get_port_by_id(parent, i); + if (!port) continue; - port_type = dss.feat->ports[reg]; - - switch (port_type) { + switch (dss.feat->ports[i]) { case OMAP_DISPLAY_TYPE_DPI: dpi_uninit_port(port); break; @@ -1114,7 +1079,7 @@ static void dss_uninit_ports(struct platform_device *pdev) default: break; } - } while ((port = omapdss_of_get_next_port(parent, port)) != NULL); + } } static int dss_video_pll_probe(struct platform_device *pdev) |