diff options
Diffstat (limited to 'target/linux/ipq806x/patches-4.9/0012-spi-qup-refactor-spi_qup_io_config-in-two-functions.patch')
| -rw-r--r-- | target/linux/ipq806x/patches-4.9/0012-spi-qup-refactor-spi_qup_io_config-in-two-functions.patch | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/target/linux/ipq806x/patches-4.9/0012-spi-qup-refactor-spi_qup_io_config-in-two-functions.patch b/target/linux/ipq806x/patches-4.9/0012-spi-qup-refactor-spi_qup_io_config-in-two-functions.patch index 7beb5d9..c88dd9b 100644 --- a/target/linux/ipq806x/patches-4.9/0012-spi-qup-refactor-spi_qup_io_config-in-two-functions.patch +++ b/target/linux/ipq806x/patches-4.9/0012-spi-qup-refactor-spi_qup_io_config-in-two-functions.patch @@ -67,10 +67,14 @@ Signed-off-by: Matthew McClintock <mmcclint@codeaurora.org> - /* must be zero for BLOCK and BAM */ - writel_relaxed(0, controller->base + QUP_MX_READ_CNT); - writel_relaxed(0, controller->base + QUP_MX_WRITE_CNT); -- ++ else ++ controller->mode = QUP_IO_M_MODE_BLOCK; + - if (!controller->qup_v1) { - void __iomem *input_cnt; -- ++ return 0; ++} + - input_cnt = controller->base + QUP_MX_INPUT_CNT; - /* - * for DMA transfers, both QUP_MX_INPUT_CNT and @@ -82,19 +86,13 @@ Signed-off-by: Matthew McClintock <mmcclint@codeaurora.org> - writel_relaxed(0, input_cnt); - else - writel_relaxed(n_words, input_cnt); -+ else -+ controller->mode = QUP_IO_M_MODE_BLOCK; -+ -+ return 0; -+} - +/* prep qup for another spi transaction of specific type */ +static int spi_qup_io_config(struct spi_device *spi, struct spi_transfer *xfer) +{ + struct spi_qup *controller = spi_master_get_devdata(spi->master); + u32 config, iomode, control; + unsigned long flags; -+ + + reinit_completion(&controller->done); + reinit_completion(&controller->dma_tx_done); + |