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lantiq: Fixed reading the number of RX FIFOs in the SPI driver

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Until now the SPI driver used the TX bits for the RX FIFO. This seems
uncritical for now since both are equals on my devices (VR9), but this
could cause problems on other SoCs.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>

SVN-Revision: 47208
This commit is contained in:
John Crispin 2015-10-19 10:08:18 +00:00
parent 42c9a85e8e
commit 2c7d536780
2 changed files with 2 additions and 2 deletions
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2
target/linux/lantiq/patches-3.18/0033-SPI-MIPS-lantiq-adds-spi-xway.patch
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@ -913,7 +913,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+ /* Read module capabilities */
+ id = ltq_spi_reg_read(hw, LTQ_SPI_ID);
+ hw->txfs = (id >> LTQ_SPI_ID_TXFS_SHIFT) & LTQ_SPI_ID_TXFS_MASK;
+ hw->rxfs = (id >> LTQ_SPI_ID_TXFS_SHIFT) & LTQ_SPI_ID_TXFS_MASK;
+ hw->rxfs = (id >> LTQ_SPI_ID_RXFS_SHIFT) & LTQ_SPI_ID_RXFS_MASK;
+ hw->dma_support = (id & LTQ_SPI_ID_CFG) ? 1 : 0;
+
+ ltq_spi_config_mode_set(hw);

2
target/linux/lantiq/patches-4.1/0033-SPI-MIPS-lantiq-adds-spi-xway.patch
View file

@ -927,7 +927,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+ /* Read module capabilities */
+ id = ltq_spi_reg_read(hw, LTQ_SPI_ID);
+ hw->txfs = (id >> LTQ_SPI_ID_TXFS_SHIFT) & LTQ_SPI_ID_TXFS_MASK;
+ hw->rxfs = (id >> LTQ_SPI_ID_TXFS_SHIFT) & LTQ_SPI_ID_TXFS_MASK;
+ hw->rxfs = (id >> LTQ_SPI_ID_RXFS_SHIFT) & LTQ_SPI_ID_RXFS_MASK;
+ hw->dma_support = (id & LTQ_SPI_ID_CFG) ? 1 : 0;
+
+ ltq_spi_config_mode_set(hw);