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mmc: sh_mmcif: rename and retype activity variable

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The host_sglen is now actually used to keep track of whether DMA
is active or not, so rename and retype it to bool.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Linus Walleij 2011-02-10 16:09:50 +01:00 committed by Chris Ball
parent 9dc3fb5e45
commit f38f94c6b2
1 changed files with 9 additions and 9 deletions
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18
drivers/mmc/host/sh_mmcif.c
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@ -169,7 +169,7 @@ struct sh_mmcif_host {
struct dma_chan *chan_rx;
struct dma_chan *chan_tx;
struct completion dma_complete;
unsigned int dma_sglen;
bool dma_active;
};
static inline void sh_mmcif_bitset(struct sh_mmcif_host *host,
@ -216,7 +216,7 @@ static void sh_mmcif_start_dma_rx(struct sh_mmcif_host *host)
ret = dma_map_sg(chan->device->dev, sg, host->data->sg_len,
DMA_FROM_DEVICE);
if (ret > 0) {
host->dma_sglen = ret;
host->dma_active = true;
desc = chan->device->device_prep_slave_sg(chan, sg, ret,
DMA_FROM_DEVICE, DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
}
@ -241,7 +241,7 @@ static void sh_mmcif_start_dma_rx(struct sh_mmcif_host *host)
if (ret >= 0)
ret = -EIO;
host->chan_rx = NULL;
host->dma_sglen = 0;
host->dma_active = false;
dma_release_channel(chan);
/* Free the Tx channel too */
chan = host->chan_tx;
@ -269,7 +269,7 @@ static void sh_mmcif_start_dma_tx(struct sh_mmcif_host *host)
ret = dma_map_sg(chan->device->dev, sg, host->data->sg_len,
DMA_TO_DEVICE);
if (ret > 0) {
host->dma_sglen = ret;
host->dma_active = true;
desc = chan->device->device_prep_slave_sg(chan, sg, ret,
DMA_TO_DEVICE, DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
}
@ -294,7 +294,7 @@ static void sh_mmcif_start_dma_tx(struct sh_mmcif_host *host)
if (ret >= 0)
ret = -EIO;
host->chan_tx = NULL;
host->dma_sglen = 0;
host->dma_active = false;
dma_release_channel(chan);
/* Free the Rx channel too */
chan = host->chan_rx;
@ -321,7 +321,7 @@ static bool sh_mmcif_filter(struct dma_chan *chan, void *arg)
static void sh_mmcif_request_dma(struct sh_mmcif_host *host,
struct sh_mmcif_plat_data *pdata)
{
host->dma_sglen = 0;
host->dma_active = false;
/* We can only either use DMA for both Tx and Rx or not use it at all */
if (pdata->dma) {
@ -368,7 +368,7 @@ static void sh_mmcif_release_dma(struct sh_mmcif_host *host)
dma_release_channel(chan);
}
host->dma_sglen = 0;
host->dma_active = false;
}
static void sh_mmcif_clock_control(struct sh_mmcif_host *host, unsigned int clk)
@ -757,7 +757,7 @@ static void sh_mmcif_start_cmd(struct sh_mmcif_host *host,
}
sh_mmcif_get_response(host, cmd);
if (host->data) {
if (!host->dma_sglen) {
if (!host->dma_active) {
ret = sh_mmcif_data_trans(host, mrq, cmd->opcode);
} else {
long time =
@ -769,7 +769,7 @@ static void sh_mmcif_start_cmd(struct sh_mmcif_host *host,
ret = time;
sh_mmcif_bitclr(host, MMCIF_CE_BUF_ACC,
BUF_ACC_DMAREN | BUF_ACC_DMAWEN);
host->dma_sglen = 0;
host->dma_active = false;
}
if (ret < 0)
mrq->data->bytes_xfered = 0;