Change stm32 HASH driver to defer its probe operation when
reset controller device is registered but has not been probed yet.
Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
Reviewed-by: Lionel DEBIEVE <lionel.debieve@st.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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);
if (hdev->dma_lch)
dma_release_channel(hdev->dma_lch);
-
+err_reset:
pm_runtime_disable(dev);
pm_runtime_put_noidle(dev);