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Commit 073635b8 authored by Lloyd Atkinson's avatar Lloyd Atkinson
Browse files

msm: sde: defer rotator probe when irq get fails 



Defer the rotator probe sequence when the IRQ get fails
likely due to the IRQ master not yet being probed.

Change-Id: Ia5ee6e601a8eefb8de810c5388ae9554ec9b6d46
Signed-off-by: default avatarLloyd Atkinson <latkinso@codeaurora.org>
parent 2f89b761

drivers/media/platform/msm/sde/rotator/sde_rotator_r3.c

+5 −2
Original line number Diff line number Diff line
@@ -3304,8 +3304,11 @@ int sde_rotator_r3_init(struct sde_rot_mgr *mgr) 
		goto error_parse_dt;



	rot->irq_num = platform_get_irq(mgr->pdev, 0);

	if (rot->irq_num < 0) {

		SDEROT_ERR("fail to get rotator irq\n");

	if (rot->irq_num == -EPROBE_DEFER) {

		SDEROT_INFO("irq master master not ready, defer probe\n");

		return -EPROBE_DEFER;

	} else if (rot->irq_num < 0) {

		SDEROT_ERR("fail to get rotator irq, fallback to polling\n");

	} else {

		if (rot->mode == ROT_REGDMA_OFF)

			ret = devm_request_threaded_irq(&mgr->pdev->dev,