diff options
| author | John Crispin <john@openwrt.org> | 2015-10-19 10:08:29 +0000 |
|---|---|---|
| committer | John Crispin <john@openwrt.org> | 2015-10-19 10:08:29 +0000 |
| commit | b7e4c8d3bf2d8cb2aaddd6bd00f5c84da4ca872e (patch) | |
| tree | b60bcf1376f1446fee0bab18fb2d76c303047793 | |
| parent | 2c7d536780600242d804bca1383c896ccff350c4 (diff) | |
| download | upstream-b7e4c8d3bf2d8cb2aaddd6bd00f5c84da4ca872e.tar.gz upstream-b7e4c8d3bf2d8cb2aaddd6bd00f5c84da4ca872e.tar.bz2 upstream-b7e4c8d3bf2d8cb2aaddd6bd00f5c84da4ca872e.zip | |
lantiq: Print the status register whenever an error occurs
This should help finding potential problems with the SPI driver.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
SVN-Revision: 47209
| -rw-r--r-- | target/linux/lantiq/patches-3.18/0033-SPI-MIPS-lantiq-adds-spi-xway.patch | 4 | ||||
| -rw-r--r-- | target/linux/lantiq/patches-4.1/0033-SPI-MIPS-lantiq-adds-spi-xway.patch | 4 |
2 files changed, 6 insertions, 2 deletions
diff --git a/target/linux/lantiq/patches-3.18/0033-SPI-MIPS-lantiq-adds-spi-xway.patch b/target/linux/lantiq/patches-3.18/0033-SPI-MIPS-lantiq-adds-spi-xway.patch index 9cc9349a71..81e5d39f21 100644 --- a/target/linux/lantiq/patches-3.18/0033-SPI-MIPS-lantiq-adds-spi-xway.patch +++ b/target/linux/lantiq/patches-3.18/0033-SPI-MIPS-lantiq-adds-spi-xway.patch @@ -42,7 +42,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org> +obj-$(CONFIG_SPI_XWAY) += spi-xway.o --- /dev/null +++ b/drivers/spi/spi-xway.c -@@ -0,0 +1,975 @@ +@@ -0,0 +1,977 @@ +/* + * Lantiq SoC SPI controller + * @@ -744,6 +744,8 @@ Signed-off-by: John Crispin <blogic@openwrt.org> + /* Disable all interrupts */ + ltq_spi_reg_clearbit(hw, LTQ_SPI_IRNEN_ALL, LTQ_SPI_IRNEN); + ++ dev_err(hw->dev, "error %x\n", ltq_spi_reg_read(hw, LTQ_SPI_STAT)); ++ + /* Clear all error flags */ + ltq_spi_reg_write(hw, LTQ_SPI_WHBSTATE_CLR_ERRORS, LTQ_SPI_WHBSTATE); + diff --git a/target/linux/lantiq/patches-4.1/0033-SPI-MIPS-lantiq-adds-spi-xway.patch b/target/linux/lantiq/patches-4.1/0033-SPI-MIPS-lantiq-adds-spi-xway.patch index ffcc95ed55..5325b83373 100644 --- a/target/linux/lantiq/patches-4.1/0033-SPI-MIPS-lantiq-adds-spi-xway.patch +++ b/target/linux/lantiq/patches-4.1/0033-SPI-MIPS-lantiq-adds-spi-xway.patch @@ -42,7 +42,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org> +obj-$(CONFIG_SPI_XWAY) += spi-xway.o --- /dev/null +++ b/drivers/spi/spi-xway.c -@@ -0,0 +1,989 @@ +@@ -0,0 +1,991 @@ +/* + * Lantiq SoC SPI controller + * @@ -750,6 +750,8 @@ Signed-off-by: John Crispin <blogic@openwrt.org> + /* Disable all interrupts */ + ltq_spi_reg_clearbit(hw, LTQ_SPI_IRNEN_ALL, LTQ_SPI_IRNEN); + ++ dev_err(hw->dev, "error %x\n", ltq_spi_reg_read(hw, LTQ_SPI_STAT)); ++ + /* Clear all error flags */ + ltq_spi_reg_write(hw, LTQ_SPI_WHBSTATE_CLR_ERRORS, LTQ_SPI_WHBSTATE); + |