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37 lines
1.1 KiB
Diff
37 lines
1.1 KiB
Diff
From f2b3ddc2d081deb63262d19e10b003da5510e794 Mon Sep 17 00:00:00 2001
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From: The-going <48602507+The-going@users.noreply.github.com>
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Date: Wed, 2 Feb 2022 14:16:31 +0300
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Subject: drv:spi:spi-sun4i.c spi bug low on sck
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---
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drivers/spi/spi-sun4i.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/drivers/spi/spi-sun4i.c b/drivers/spi/spi-sun4i.c
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index b8947265d329..62e20f229e2c 100644
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--- a/drivers/spi/spi-sun4i.c
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+++ b/drivers/spi/spi-sun4i.c
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@@ -389,6 +389,7 @@ static int sun4i_spi_runtime_resume(struct device *dev)
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struct spi_master *master = dev_get_drvdata(dev);
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struct sun4i_spi *sspi = spi_master_get_devdata(master);
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int ret;
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+ u32 reg;
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ret = clk_prepare_enable(sspi->hclk);
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if (ret) {
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@@ -401,9 +402,10 @@ static int sun4i_spi_runtime_resume(struct device *dev)
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dev_err(dev, "Couldn't enable module clock\n");
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goto err;
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}
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+ reg = sun4i_spi_read(sspi, SUN4I_CTL_REG);
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sun4i_spi_write(sspi, SUN4I_CTL_REG,
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- SUN4I_CTL_ENABLE | SUN4I_CTL_MASTER | SUN4I_CTL_TP);
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+ reg | SUN4I_CTL_ENABLE | SUN4I_CTL_MASTER | SUN4I_CTL_TP);
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return 0;
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--
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2.35.3
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