[PATCH 1/4] media: exynos-gsc: remove non-device-tree init code

[Marek Szyprowski]

Exynos platform has been fully converted to device tree, so old platform
device based init data can be now removed.

Signed-off-by: Marek Szyprowski <m.szyprow...@samsung.com>
---
 drivers/media/platform/exynos-gsc/gsc-core.c | 33 +++++-----------------------
 drivers/media/platform/exynos-gsc/gsc-core.h |  1 -
 2 files changed, 6 insertions(+), 28 deletions(-)

diff --git a/drivers/media/platform/exynos-gsc/gsc-core.c 
b/drivers/media/platform/exynos-gsc/gsc-core.c
index 4f90be4..1b744a6 100644
--- a/drivers/media/platform/exynos-gsc/gsc-core.c
+++ b/drivers/media/platform/exynos-gsc/gsc-core.c
@@ -967,15 +967,6 @@ static struct gsc_driverdata gsc_v_100_drvdata = {
        .lclk_frequency = 266000000UL,
 };
 
-static const struct platform_device_id gsc_driver_ids[] = {
-       {
-               .name           = "exynos-gsc",
-               .driver_data    = (unsigned long)&gsc_v_100_drvdata,
-       },
-       {},
-};
-MODULE_DEVICE_TABLE(platform, gsc_driver_ids);
-
 static const struct of_device_id exynos_gsc_match[] = {
        {
                .compatible = "samsung,exynos5-gsc",
@@ -988,17 +979,11 @@ MODULE_DEVICE_TABLE(of, exynos_gsc_match);
 static void *gsc_get_drv_data(struct platform_device *pdev)
 {
        struct gsc_driverdata *driver_data = NULL;
+       const struct of_device_id *match;
 
-       if (pdev->dev.of_node) {
-               const struct of_device_id *match;
-               match = of_match_node(exynos_gsc_match,
-                                       pdev->dev.of_node);
-               if (match)
-                       driver_data = (struct gsc_driverdata *)match->data;
-       } else {
-               driver_data = (struct gsc_driverdata *)
-                       platform_get_device_id(pdev)->driver_data;
-       }
+       match = of_match_node(exynos_gsc_match, pdev->dev.of_node);
+       if (match)
+               driver_data = (struct gsc_driverdata *)match->data;
 
        return driver_data;
 }
@@ -1084,19 +1069,14 @@ static int gsc_probe(struct platform_device *pdev)
        if (!gsc)
                return -ENOMEM;
 
-       if (dev->of_node)
-               gsc->id = of_alias_get_id(pdev->dev.of_node, "gsc");
-       else
-               gsc->id = pdev->id;
-
-       if (gsc->id >= drv_data->num_entities) {
+       gsc->id = of_alias_get_id(pdev->dev.of_node, "gsc");
+       if (gsc->id >= drv_data->num_entities || gsc->id < 0) {
                dev_err(dev, "Invalid platform device id: %d\n", gsc->id);
                return -EINVAL;
        }
 
        gsc->variant = drv_data->variant[gsc->id];
        gsc->pdev = pdev;
-       gsc->pdata = dev->platform_data;
 
        init_waitqueue_head(&gsc->irq_queue);
        spin_lock_init(&gsc->slock);
@@ -1254,7 +1234,6 @@ static const struct dev_pm_ops gsc_pm_ops = {
 static struct platform_driver gsc_driver = {
        .probe          = gsc_probe,
        .remove         = gsc_remove,
-       .id_table       = gsc_driver_ids,
        .driver = {
                .name   = GSC_MODULE_NAME,
                .pm     = &gsc_pm_ops,
diff --git a/drivers/media/platform/exynos-gsc/gsc-core.h 
b/drivers/media/platform/exynos-gsc/gsc-core.h
index e93a233..ec4000c 100644
--- a/drivers/media/platform/exynos-gsc/gsc-core.h
+++ b/drivers/media/platform/exynos-gsc/gsc-core.h
@@ -340,7 +340,6 @@ struct gsc_dev {
        void __iomem                    *regs;
        wait_queue_head_t               irq_queue;
        struct gsc_m2m_device           m2m;
-       struct exynos_platform_gscaler  *pdata;
        unsigned long                   state;
        struct vb2_alloc_ctx            *alloc_ctx;
        struct video_device             vdev;
-- 
1.9.2

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