C++ (Cpp) au1xmmc_finish_request Examples

Example #1

File: au1xmmc.c Project: prime5711/blackbox

static void au1xmmc_data_complete(struct au1xmmc_host *host, u32 status) 
{

	struct mmc_request *mrq = host->mrq;
	struct mmc_data *data;
	u32 crc;

	WARN_ON(host->status != HOST_S_DATA && host->status != HOST_S_STOP);

	if (host->mrq == NULL)
		return;

	data = mrq->cmd->data;

	if (status == 0)
		status = au_readl(HOST_STATUS(host));

	/* The transaction is really over when the SD_STATUS_DB bit is clear */

	while((host->flags & HOST_F_XMIT) && (status & SD_STATUS_DB)) 
		status = au_readl(HOST_STATUS(host));

	data->error = MMC_ERR_NONE;
	dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len, host->dma.dir);

        /* Process any errors */

	crc = (status & (SD_STATUS_WC | SD_STATUS_RC));
	if (host->flags & HOST_F_XMIT) 
		crc |= ((status & 0x07) == 0x02) ? 0 : 1;
	
	if (crc) 
		data->error = MMC_ERR_BADCRC;

	/* Clear the CRC bits */
	au_writel(SD_STATUS_WC | SD_STATUS_RC, HOST_STATUS(host));

	data->bytes_xfered = 0;

	if (data->error == MMC_ERR_NONE) {
		if (host->flags & HOST_F_DMA) {
			u32 chan = DMA_CHANNEL(host);

			chan_tab_t *c = *((chan_tab_t **) chan);
			au1x_dma_chan_t *cp = c->chan_ptr;
			data->bytes_xfered = cp->ddma_bytecnt;
		}
		else 
			data->bytes_xfered = 
				(data->blocks * (1 << data->blksz_bits)) - 
				host->pio.len;
	}

	au1xmmc_finish_request(host);
}

Example #2

static void au1xmmc_data_complete(struct au1xmmc_host *host, u32 status)
{
	struct mmc_request *mrq = host->mrq;
	struct mmc_data *data;
	u32 crc;

	WARN_ON((host->status != HOST_S_DATA) && (host->status != HOST_S_STOP));

	if (host->mrq == NULL)
		return;

	data = mrq->cmd->data;

	if (status == 0)
		status = au_readl(HOST_STATUS(host));

	
	while ((host->flags & HOST_F_XMIT) && (status & SD_STATUS_DB))
		status = au_readl(HOST_STATUS(host));

	data->error = 0;
	dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len, host->dma.dir);

        
	crc = (status & (SD_STATUS_WC | SD_STATUS_RC));
	if (host->flags & HOST_F_XMIT)
		crc |= ((status & 0x07) == 0x02) ? 0 : 1;

	if (crc)
		data->error = -EILSEQ;

	
	au_writel(SD_STATUS_WC | SD_STATUS_RC, HOST_STATUS(host));

	data->bytes_xfered = 0;

	if (!data->error) {
		if (host->flags & HOST_F_DMA) {
#ifdef CONFIG_SOC_AU1200	
			u32 chan = DMA_CHANNEL(host);

			chan_tab_t *c = *((chan_tab_t **)chan);
			au1x_dma_chan_t *cp = c->chan_ptr;
			data->bytes_xfered = cp->ddma_bytecnt;
#endif
		} else
			data->bytes_xfered =
				(data->blocks * data->blksz) - host->pio.len;
	}

	au1xmmc_finish_request(host);
}

Example #3

File: au1xmmc.c Project: hajuuk/R7000

static void au1xmmc_tasklet_finish(unsigned long param)
{
	struct au1xmmc_host *host = (struct au1xmmc_host *) param;
	au1xmmc_finish_request(host);
}