54 lines
1.8 KiB
Diff
54 lines
1.8 KiB
Diff
From 20d6f2f3e034889bcadb960e6ee4d6822d9dbcd7 Mon Sep 17 00:00:00 2001
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From: Dom Cobley <popcornmix@gmail.com>
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Date: Tue, 13 Apr 2021 16:48:35 +0100
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Subject: [PATCH] bcm2835-unicam: Switch to new clock api
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Signed-off-by: Dom Cobley <popcornmix@gmail.com>
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---
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drivers/media/platform/bcm2835/bcm2835-unicam.c | 13 ++++++-------
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1 file changed, 6 insertions(+), 7 deletions(-)
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--- a/drivers/media/platform/bcm2835/bcm2835-unicam.c
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+++ b/drivers/media/platform/bcm2835/bcm2835-unicam.c
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@@ -426,6 +426,8 @@ struct unicam_device {
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struct clk *clock;
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/* vpu clock handle */
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struct clk *vpu_clock;
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+ /* vpu clock request */
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+ struct clk_request *vpu_req;
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/* clock status for error handling */
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bool clocks_enabled;
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/* V4l2 device */
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@@ -1691,8 +1693,8 @@ static int unicam_start_streaming(struct
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unicam_dbg(1, dev, "Running with %u data lanes\n",
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dev->active_data_lanes);
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- ret = clk_set_min_rate(dev->vpu_clock, MIN_VPU_CLOCK_RATE);
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- if (ret) {
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+ dev->vpu_req = clk_request_start(dev->vpu_clock, MIN_VPU_CLOCK_RATE);
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+ if (!dev->vpu_req) {
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unicam_err(dev, "failed to set up VPU clock\n");
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goto err_pm_put;
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}
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@@ -1748,8 +1750,7 @@ err_disable_unicam:
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unicam_disable(dev);
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clk_disable_unprepare(dev->clock);
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err_vpu_clock:
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- if (clk_set_min_rate(dev->vpu_clock, 0))
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- unicam_err(dev, "failed to reset the VPU clock\n");
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+ clk_request_done(dev->vpu_req);
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clk_disable_unprepare(dev->vpu_clock);
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err_pm_put:
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unicam_runtime_put(dev);
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@@ -1779,9 +1780,7 @@ static void unicam_stop_streaming(struct
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unicam_disable(dev);
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if (dev->clocks_enabled) {
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- if (clk_set_min_rate(dev->vpu_clock, 0))
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- unicam_err(dev, "failed to reset the min VPU clock\n");
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-
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+ clk_request_done(dev->vpu_req);
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clk_disable_unprepare(dev->vpu_clock);
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clk_disable_unprepare(dev->clock);
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dev->clocks_enabled = false;
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