crypto: stm32/hash - defer probe for reset controller (43b05ce7) · Commits · 戴 / test

Change stm32 HASH driver to defer its probe operation when reset controller device is registered but has not been probed yet. Signed-off-by:

drivers/crypto/stm32/stm32-hash.c

+7 −2

Original line number	Diff line number	Diff line
		@@ -1482,7 +1482,12 @@ static int stm32_hash_probe(struct platform_device *pdev)
		pm_runtime_enable(dev);

		hdev->rst = devm_reset_control_get(&pdev->dev, NULL);
		if (!IS_ERR(hdev->rst)) {
		if (IS_ERR(hdev->rst)) {
		if (PTR_ERR(hdev->rst) == -EPROBE_DEFER) {
		ret = -EPROBE_DEFER;
		goto err_reset;
		}
		} else {
		reset_control_assert(hdev->rst);
		udelay(2);
		reset_control_deassert(hdev->rst);
		@@ -1535,7 +1540,7 @@ err_engine:

		if (hdev->dma_lch)
		dma_release_channel(hdev->dma_lch);

		err_reset:
		pm_runtime_disable(dev);
		pm_runtime_put_noidle(dev);