1 files changed, 8 insertions, 30 deletions

diff --git a/drivers/gpu/drm/sti/sti_vtg.c b/drivers/gpu/drm/sti/sti_vtg.c
index 2dcba1d3a122..3aa2fa6f2228 100644
--- a/drivers/gpu/drm/sti/sti_vtg.c
+++ b/drivers/gpu/drm/sti/sti_vtg.c
@@ -9,6 +9,7 @@
 
 #include <linux/module.h>
 #include <linux/notifier.h>
+#include <linux/of_platform.h>
 #include <linux/platform_device.h>
 
 #include <drm/drmP.h>
@@ -72,8 +73,6 @@
 #define AWG_DELAY_ED        (-8)
 #define AWG_DELAY_SD        (-7)
 
-static LIST_HEAD(vtg_lookup);
-
 /*
  * STI VTG register offset structure
  *
@@ -123,42 +122,31 @@ struct sti_vtg_sync_params {
 /**
  * STI VTG structure
  *
- * @dev: pointer to device driver
- * @np: device node
  * @regs: register mapping
  * @sync_params: synchronisation parameters used to generate timings
  * @irq: VTG irq
  * @irq_status: store the IRQ status value
  * @notifier_list: notifier callback
  * @crtc: the CRTC for vblank event
- * @link: List node to link the structure in lookup list
  */
 struct sti_vtg {
-        struct device *dev;
-        struct device_node *np;
         void __iomem *regs;
         struct sti_vtg_sync_params sync_params[VTG_MAX_SYNC_OUTPUT];
         int irq;
         u32 irq_status;
         struct raw_notifier_head notifier_list;
         struct drm_crtc *crtc;
-        struct list_head link;
 };
 
-static void vtg_register(struct sti_vtg *vtg)
-{
-        list_add_tail(&vtg->link, &vtg_lookup);
-}
-
 struct sti_vtg *of_vtg_find(struct device_node *np)
 {
-        struct sti_vtg *vtg;
+        struct platform_device *pdev;
 
-        list_for_each_entry(vtg, &vtg_lookup, link) {
-                if (vtg->np == np)
-                        return vtg;
-        }
-        return NULL;
+        pdev = of_find_device_by_node(np);
+        if (!pdev)
+                return NULL;
+
+        return (struct sti_vtg *)platform_get_drvdata(pdev);
 }
 
 static void vtg_reset(struct sti_vtg *vtg)
@@ -397,9 +385,6 @@ static int vtg_probe(struct platform_device *pdev)
         if (!vtg)
                 return -ENOMEM;
 
-        vtg->dev = dev;
-        vtg->np = pdev->dev.of_node;
-
         /* Get Memory ressources */
         res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
         if (!res) {
@@ -428,16 +413,10 @@ static int vtg_probe(struct platform_device *pdev)
                 return ret;
         }
 
-        vtg_register(vtg);
         platform_set_drvdata(pdev, vtg);
 
-        DRM_INFO("%s %s\n", __func__, dev_name(vtg->dev));
-
-        return 0;
-}
+        DRM_INFO("%s %s\n", __func__, dev_name(dev));
 
-static int vtg_remove(struct platform_device *pdev)
-{
         return 0;
 }
 
@@ -454,7 +433,6 @@ struct platform_driver sti_vtg_driver = {
                 .of_match_table = vtg_of_match,
         },
         .probe  = vtg_probe,
-        .remove = vtg_remove,
 };
 
 MODULE_AUTHOR("Benjamin Gaignard <benjamin.gaignard@st.com>");