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authorÁlvaro Fernández Rojas <noltari@gmail.com>2021-08-21 10:54:34 +0200
committerÁlvaro Fernández Rojas <noltari@gmail.com>2021-08-21 19:07:07 +0200
commit8299d1f057439f94c6a4412e2e5c5082b82a30c9 (patch)
tree1bf678d61f11f7394493be464c7876e496f7faed /target/linux/bcm27xx/patches-5.10/950-0540-bcm2835-unicam-Switch-to-new-clock-api.patch
parent33b6885975ce376ff075362b7f0890326043111b (diff)
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bcm27xx: add kernel 5.10 support
Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted patches, wireless patches and defconfig patches. bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 4B v1.1 4G bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0540-bcm2835-unicam-Switch-to-new-clock-api.patch')
-rw-r--r--target/linux/bcm27xx/patches-5.10/950-0540-bcm2835-unicam-Switch-to-new-clock-api.patch53
1 files changed, 53 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0540-bcm2835-unicam-Switch-to-new-clock-api.patch b/target/linux/bcm27xx/patches-5.10/950-0540-bcm2835-unicam-Switch-to-new-clock-api.patch
new file mode 100644
index 0000000000..1c8eead29b
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.10/950-0540-bcm2835-unicam-Switch-to-new-clock-api.patch
@@ -0,0 +1,53 @@
+From 20d6f2f3e034889bcadb960e6ee4d6822d9dbcd7 Mon Sep 17 00:00:00 2001
+From: Dom Cobley <popcornmix@gmail.com>
+Date: Tue, 13 Apr 2021 16:48:35 +0100
+Subject: [PATCH] bcm2835-unicam: Switch to new clock api
+
+Signed-off-by: Dom Cobley <popcornmix@gmail.com>
+---
+ drivers/media/platform/bcm2835/bcm2835-unicam.c | 13 ++++++-------
+ 1 file changed, 6 insertions(+), 7 deletions(-)
+
+--- a/drivers/media/platform/bcm2835/bcm2835-unicam.c
++++ b/drivers/media/platform/bcm2835/bcm2835-unicam.c
+@@ -426,6 +426,8 @@ struct unicam_device {
+ struct clk *clock;
+ /* vpu clock handle */
+ struct clk *vpu_clock;
++ /* vpu clock request */
++ struct clk_request *vpu_req;
+ /* clock status for error handling */
+ bool clocks_enabled;
+ /* V4l2 device */
+@@ -1691,8 +1693,8 @@ static int unicam_start_streaming(struct
+ unicam_dbg(1, dev, "Running with %u data lanes\n",
+ dev->active_data_lanes);
+
+- ret = clk_set_min_rate(dev->vpu_clock, MIN_VPU_CLOCK_RATE);
+- if (ret) {
++ dev->vpu_req = clk_request_start(dev->vpu_clock, MIN_VPU_CLOCK_RATE);
++ if (!dev->vpu_req) {
+ unicam_err(dev, "failed to set up VPU clock\n");
+ goto err_pm_put;
+ }
+@@ -1748,8 +1750,7 @@ err_disable_unicam:
+ unicam_disable(dev);
+ clk_disable_unprepare(dev->clock);
+ err_vpu_clock:
+- if (clk_set_min_rate(dev->vpu_clock, 0))
+- unicam_err(dev, "failed to reset the VPU clock\n");
++ clk_request_done(dev->vpu_req);
+ clk_disable_unprepare(dev->vpu_clock);
+ err_pm_put:
+ unicam_runtime_put(dev);
+@@ -1779,9 +1780,7 @@ static void unicam_stop_streaming(struct
+ unicam_disable(dev);
+
+ if (dev->clocks_enabled) {
+- if (clk_set_min_rate(dev->vpu_clock, 0))
+- unicam_err(dev, "failed to reset the min VPU clock\n");
+-
++ clk_request_done(dev->vpu_req);
+ clk_disable_unprepare(dev->vpu_clock);
+ clk_disable_unprepare(dev->clock);
+ dev->clocks_enabled = false;