Unverified Commit 8196f7bc authored Feb 03, 2020 by Etienne Carriere Committed by Mark Brown Feb 11, 2020

spi: stm32-qspi: defer probe for reset controller



Changes stm32 QSPI driver to defer its probe operation when a reset
controller device have not yet probed but is registered in the
system.

Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Link: https://lore.kernel.org/r/20200203135048.1299-2-patrice.chotard@st.com


Signed-off-by: Mark Brown <broonie@kernel.org>

parent ea1e5b33

drivers/spi/spi-stm32-qspi.c

+5 −1

Original line number	Diff line number	Diff line
		@@ -615,7 +615,11 @@ static int stm32_qspi_probe(struct platform_device *pdev)
		}

		rstc = devm_reset_control_get_exclusive(dev, NULL);
		if (!IS_ERR(rstc)) {
		if (IS_ERR(rstc)) {
		ret = PTR_ERR(rstc);
		if (ret == -EPROBE_DEFER)
		goto err;
		} else {
		reset_control_assert(rstc);
		udelay(2);
		reset_control_deassert(rstc);

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