The clock gets enabled early on in init, since it's required in order
to read registers. If only devm_clk_prepare_enable() was a thing!
Signed-off-by: Eric Anholt <eric@xxxxxxxxxx>
---
This fixup, if you like, I would slip in before patch 1 of your series.
drivers/gpu/drm/stm/ltdc.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
index 8aa05860029f..7d7e889f09c3 100644
--- a/drivers/gpu/drm/stm/ltdc.c
+++ b/drivers/gpu/drm/stm/ltdc.c
@@ -908,13 +908,15 @@ int ltdc_load(struct drm_device *ddev)
if (of_address_to_resource(np, 0, &res)) {
DRM_ERROR("Unable to get resource\n");
- return -ENODEV;
+ ret = -ENODEV;
+ goto err;
}
ldev->regs = devm_ioremap_resource(dev, &res);
if (IS_ERR(ldev->regs)) {
DRM_ERROR("Unable to get ltdc registers\n");
- return PTR_ERR(ldev->regs);
+ ret = PTR_ERR(ldev->regs);
+ goto err;
}
for (i = 0; i < MAX_IRQ; i++) {
@@ -927,7 +929,7 @@ int ltdc_load(struct drm_device *ddev)
dev_name(dev), ddev);
if (ret) {
DRM_ERROR("Failed to register LTDC interrupt\n");
- return ret;
+ goto err;
}
}
@@ -942,7 +944,7 @@ int ltdc_load(struct drm_device *ddev)
if (ret) {
DRM_ERROR("hardware identifier (0x%08x) not supported!\n",
ldev->caps.hw_version);
- return ret;
+ goto err;
}
DRM_INFO("ltdc hw version 0x%08x - ready\n", ldev->caps.hw_version);
--
2.11.0
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