d43f389035
* Fixxes #1788 - Code taken from https://linux-sunxi.org/SPIdev * Additional Patch for 5.5
28 lines
810 B
Diff
28 lines
810 B
Diff
Index: drivers/spi/spi-sun4i.c
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IDEA additional info:
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Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
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<+>UTF-8
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===================================================================
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--- a/drivers/spi/spi-sun4i.c (date 1581011681000)
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+++ b/drivers/spi/spi-sun4i.c (date 1581070363000)
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@@ -389,6 +389,7 @@
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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 @@
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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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