diff options
| author | Furong Xu <xfr@outlook.com> | 2022-12-16 21:13:37 +0800 |
|---|---|---|
| committer | Chuanhong Guo <gch981213@gmail.com> | 2022-12-16 21:42:02 +0800 |
| commit | 335c1e7cfdfd477a1106ca05c96ff8949ecd953f (patch) | |
| tree | ca4707664e0e4ab8a5d7e6083e23f009c006a8ca | |
| parent | 9e2c01e4a6a5c9b7c77fde90306af5f441ef2cb0 (diff) | |
| download | upstream-335c1e7cfdfd477a1106ca05c96ff8949ecd953f.tar.gz upstream-335c1e7cfdfd477a1106ca05c96ff8949ecd953f.tar.bz2 upstream-335c1e7cfdfd477a1106ca05c96ff8949ecd953f.zip | |
mediatek: enable sel_clk for spi-mt65xx
Without explicitly enabling sel_clk, clk_disable_unused() will disable
it when boot is done, causing CPU hang on SPI1 register access on MT7986.
Explicitly enable sel_clk to make SPI1 functional.
Signed-off-by: Furong Xu <xfr@outlook.com>
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
| -rw-r--r-- | target/linux/mediatek/patches-5.15/930-spi-mt65xx-enable-sel-clk.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches-5.15/930-spi-mt65xx-enable-sel-clk.patch b/target/linux/mediatek/patches-5.15/930-spi-mt65xx-enable-sel-clk.patch new file mode 100644 index 0000000000..904f2ef3a2 --- /dev/null +++ b/target/linux/mediatek/patches-5.15/930-spi-mt65xx-enable-sel-clk.patch @@ -0,0 +1,29 @@ +--- a/drivers/spi/spi-mt65xx.c ++++ b/drivers/spi/spi-mt65xx.c +@@ -1223,10 +1223,16 @@ static int mtk_spi_probe(struct platform + goto err_disable_spi_hclk; + } + ++ ret = clk_prepare_enable(mdata->sel_clk); ++ if (ret < 0) { ++ dev_err(&pdev->dev, "failed to enable sel_clk (%d)\n", ret); ++ goto err_disable_spi_clk; ++ } ++ + ret = clk_set_parent(mdata->sel_clk, mdata->parent_clk); + if (ret < 0) { + dev_err(&pdev->dev, "failed to clk_set_parent (%d)\n", ret); +- goto err_disable_spi_clk; ++ goto err_disable_spi_sel_clk; + } + + mdata->spi_clk_hz = clk_get_rate(mdata->spi_clk); +@@ -1277,6 +1283,8 @@ static int mtk_spi_probe(struct platform + + err_disable_runtime_pm: + pm_runtime_disable(&pdev->dev); ++err_disable_spi_sel_clk: ++ clk_disable_unprepare(mdata->sel_clk); + err_disable_spi_clk: + clk_disable_unprepare(mdata->spi_clk); + err_disable_spi_hclk: |