Esempi in C++ (Cpp) per pxa2xx_spi_flush

Esempio n. 1

File: spi-pxa2xx-pxadma.c Progetto: acorn-marvell/brillo_pxa_kernel

static void pxa2xx_spi_dma_error_stop(struct driver_data *drv_data,
                                      const char *msg)
{
    void __iomem *reg = drv_data->ioaddr;

    /* Stop and reset */
    DCSR(drv_data->rx_channel) = RESET_DMA_CHANNEL;
    DCSR(drv_data->tx_channel) = RESET_DMA_CHANNEL;
    write_SSSR_CS(drv_data, drv_data->clear_sr);
    write_SSCR1(read_SSCR1(reg) & ~drv_data->dma_cr1, reg);
    if (!pxa25x_ssp_comp(drv_data))
        write_SSTO(0, reg);
    pxa2xx_spi_flush(drv_data);
    write_SSCR0(read_SSCR0(reg) & ~SSCR0_SSE, reg);

    pxa2xx_spi_unmap_dma_buffers(drv_data);

    dev_err(&drv_data->pdev->dev, "%s\n", msg);

    drv_data->cur_msg->state = ERROR_STATE;
    tasklet_schedule(&drv_data->pump_transfers);
}

Esempio n. 2

File: spi-pxa2xx-pxadma.c Progetto: 19Dan01/linux

static void pxa2xx_spi_dma_error_stop(struct driver_data *drv_data,
				      const char *msg)
{
	/* Stop and reset */
	DCSR(drv_data->rx_channel) = RESET_DMA_CHANNEL;
	DCSR(drv_data->tx_channel) = RESET_DMA_CHANNEL;
	write_SSSR_CS(drv_data, drv_data->clear_sr);
	pxa2xx_spi_write(drv_data, SSCR1,
			 pxa2xx_spi_read(drv_data, SSCR1)
			 & ~drv_data->dma_cr1);
	if (!pxa25x_ssp_comp(drv_data))
		pxa2xx_spi_write(drv_data, SSTO, 0);
	pxa2xx_spi_flush(drv_data);
	pxa2xx_spi_write(drv_data, SSCR0,
			 pxa2xx_spi_read(drv_data, SSCR0) & ~SSCR0_SSE);

	pxa2xx_spi_unmap_dma_buffers(drv_data);

	dev_err(&drv_data->pdev->dev, "%s\n", msg);

	drv_data->cur_msg->state = ERROR_STATE;
	tasklet_schedule(&drv_data->pump_transfers);
}