diff --git a/patch/kernel/sunxi-current/general_spi_bug_low_on_sck.patch b/patch/kernel/sunxi-current/general_spi_bug_low_on_sck.patch new file mode 100644 index 0000000000..7938137213 --- /dev/null +++ b/patch/kernel/sunxi-current/general_spi_bug_low_on_sck.patch @@ -0,0 +1,27 @@ +Index: drivers/spi/spi-sun4i.c +IDEA additional info: +Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP +<+>UTF-8 +=================================================================== +--- a/drivers/spi/spi-sun4i.c (date 1581011681000) ++++ b/drivers/spi/spi-sun4i.c (date 1581070363000) +@@ -389,6 +389,7 @@ + struct spi_master *master = dev_get_drvdata(dev); + struct sun4i_spi *sspi = spi_master_get_devdata(master); + int ret; ++ u32 reg; + + ret = clk_prepare_enable(sspi->hclk); + if (ret) { +@@ -401,9 +402,10 @@ + dev_err(dev, "Couldn't enable module clock\n"); + goto err; + } ++ reg = sun4i_spi_read(sspi, SUN4I_CTL_REG); + + sun4i_spi_write(sspi, SUN4I_CTL_REG, +- SUN4I_CTL_ENABLE | SUN4I_CTL_MASTER | SUN4I_CTL_TP); ++ reg | SUN4I_CTL_ENABLE | SUN4I_CTL_MASTER | SUN4I_CTL_TP); + + return 0; + diff --git a/patch/kernel/sunxi-dev/general_spi_bug_low_on_sck.patch b/patch/kernel/sunxi-dev/general_spi_bug_low_on_sck.patch new file mode 100644 index 0000000000..7938137213 --- /dev/null +++ b/patch/kernel/sunxi-dev/general_spi_bug_low_on_sck.patch @@ -0,0 +1,27 @@ +Index: drivers/spi/spi-sun4i.c +IDEA additional info: +Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP +<+>UTF-8 +=================================================================== +--- a/drivers/spi/spi-sun4i.c (date 1581011681000) ++++ b/drivers/spi/spi-sun4i.c (date 1581070363000) +@@ -389,6 +389,7 @@ + struct spi_master *master = dev_get_drvdata(dev); + struct sun4i_spi *sspi = spi_master_get_devdata(master); + int ret; ++ u32 reg; + + ret = clk_prepare_enable(sspi->hclk); + if (ret) { +@@ -401,9 +402,10 @@ + dev_err(dev, "Couldn't enable module clock\n"); + goto err; + } ++ reg = sun4i_spi_read(sspi, SUN4I_CTL_REG); + + sun4i_spi_write(sspi, SUN4I_CTL_REG, +- SUN4I_CTL_ENABLE | SUN4I_CTL_MASTER | SUN4I_CTL_TP); ++ reg | SUN4I_CTL_ENABLE | SUN4I_CTL_MASTER | SUN4I_CTL_TP); + + return 0; +