[PATCH v2 2/2] mmc: use new core function mmc_get_dma_dir

Heiner Kallweit
2017-03-24T20:07:44Z

Use new core function mmc_get_dma_dir().

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com>
---
v2:
- use new function in more places
---
drivers/mmc/host/android-goldfish.c | 10 ++--------
drivers/mmc/host/atmel-mci.c | 25 +++++++++----------------
drivers/mmc/host/davinci_mmc.c | 14 ++++----------
drivers/mmc/host/dw_mmc.c | 14 +++-----------
drivers/mmc/host/jz4740_mmc.c | 9 ++-------
drivers/mmc/host/mmc_spi.c | 5 +----
drivers/mmc/host/mmci.c | 20 ++++++++------------
drivers/mmc/host/moxart-mmc.c | 8 +++-----
drivers/mmc/host/mtk-sd.c | 8 ++------
drivers/mmc/host/mvsdio.c | 11 +++++------
drivers/mmc/host/omap_hsmmc.c | 17 ++++-------------
drivers/mmc/host/s3cmci.c | 4 ++--
drivers/mmc/host/sdhci.c | 9 +++------
drivers/mmc/host/sunxi-mmc.c | 14 +++-----------
14 files changed, 51 insertions(+), 117 deletions(-)

diff --git a/drivers/mmc/host/android-goldfish.c b/drivers/mmc/host/android-goldfish.c
index 590a8a45..5b3e1c9b 100644
--- a/drivers/mmc/host/android-goldfish.c
+++ b/drivers/mmc/host/android-goldfish.c
@@ -212,10 +212,7 @@ static void goldfish_mmc_xfer_done(struct goldfish_mmc_host *host,
if (host->dma_in_use) {
enum dma_data_direction dma_data_dir;

- if (data->flags & MMC_DATA_WRITE)
- dma_data_dir = DMA_TO_DEVICE;
- else
- dma_data_dir = DMA_FROM_DEVICE;
+ dma_data_dir = mmc_get_dma_dir(data);

if (dma_data_dir == DMA_FROM_DEVICE) {
/*
@@ -390,10 +387,7 @@ static void goldfish_mmc_prepare_data(struct goldfish_mmc_host *host,
*/
sg_len = (data->blocks == 1) ? 1 : data->sg_len;

- if (data->flags & MMC_DATA_WRITE)
- dma_data_dir = DMA_TO_DEVICE;
- else
- dma_data_dir = DMA_FROM_DEVICE;
+ dma_data_dir = mmc_get_dma_dir(data);

host->sg_len = dma_map_sg(mmc_dev(host->mmc), data->sg,
sg_len, dma_data_dir);
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index 0ad8ef56..4708abcc 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -954,8 +954,7 @@ static void atmci_pdc_cleanup(struct atmel_mci *host)
if (data)
dma_unmap_sg(&host->pdev->dev,
data->sg, data->sg_len,
- ((data->flags & MMC_DATA_WRITE)
- ? DMA_TO_DEVICE : DMA_FROM_DEVICE));
+ mmc_get_dma_dir(data));
}

/*
@@ -993,8 +992,7 @@ static void atmci_dma_cleanup(struct atmel_mci *host)
if (data)
dma_unmap_sg(host->dma.chan->device->dev,
data->sg, data->sg_len,
- ((data->flags & MMC_DATA_WRITE)
- ? DMA_TO_DEVICE : DMA_FROM_DEVICE));
+ mmc_get_dma_dir(data));
}

/*
@@ -1095,7 +1093,6 @@ atmci_prepare_data_pdc(struct atmel_mci *host, struct mmc_data *data)
{
u32 iflags, tmp;
unsigned int sg_len;
- enum dma_data_direction dir;
int i;

data->error = -EINPROGRESS;
@@ -1107,13 +1104,10 @@ atmci_prepare_data_pdc(struct atmel_mci *host, struct mmc_data *data)
/* Enable pdc mode */
atmci_writel(host, ATMCI_MR, host->mode_reg | ATMCI_MR_PDCMODE);

- if (data->flags & MMC_DATA_READ) {
- dir = DMA_FROM_DEVICE;
+ if (data->flags & MMC_DATA_READ)
iflags |= ATMCI_ENDRX | ATMCI_RXBUFF;
- } else {
- dir = DMA_TO_DEVICE;
+ else
iflags |= ATMCI_ENDTX | ATMCI_TXBUFE | ATMCI_BLKE;
- }

/* Set BLKLEN */
tmp = atmci_readl(host, ATMCI_MR);
@@ -1123,7 +1117,8 @@ atmci_prepare_data_pdc(struct atmel_mci *host, struct mmc_data *data)

/* Configure PDC */
host->data_size = data->blocks * data->blksz;
- sg_len = dma_map_sg(&host->pdev->dev, data->sg, data->sg_len, dir);
+ sg_len = dma_map_sg(&host->pdev->dev, data->sg, data->sg_len,
+ mmc_get_dma_dir(data));

if ((!host->caps.has_rwproof)
&& (host->data->flags & MMC_DATA_WRITE)) {
@@ -1148,7 +1143,6 @@ atmci_prepare_data_dma(struct atmel_mci *host, struct mmc_data *data)
struct dma_async_tx_descriptor *desc;
struct scatterlist *sg;
unsigned int i;
- enum dma_data_direction direction;
enum dma_transfer_direction slave_dirn;
unsigned int sglen;
u32 maxburst;
@@ -1186,12 +1180,10 @@ atmci_prepare_data_dma(struct atmel_mci *host, struct mmc_data *data)
return -ENODEV;

if (data->flags & MMC_DATA_READ) {
- direction = DMA_FROM_DEVICE;
host->dma_conf.direction = slave_dirn = DMA_DEV_TO_MEM;
maxburst = atmci_convert_chksize(host,
host->dma_conf.src_maxburst);
} else {
- direction = DMA_TO_DEVICE;
host->dma_conf.direction = slave_dirn = DMA_MEM_TO_DEV;
maxburst = atmci_convert_chksize(host,
host->dma_conf.dst_maxburst);
@@ -1202,7 +1194,7 @@ atmci_prepare_data_dma(struct atmel_mci *host, struct mmc_data *data)
ATMCI_DMAEN);

sglen = dma_map_sg(chan->device->dev, data->sg,
- data->sg_len, direction);
+ data->sg_len, mmc_get_dma_dir(data));

dmaengine_slave_config(chan, &host->dma_conf);
desc = dmaengine_prep_slave_sg(chan,
@@ -1217,7 +1209,8 @@ atmci_prepare_data_dma(struct atmel_mci *host, struct mmc_data *data)

return iflags;
unmap_exit:
- dma_unmap_sg(chan->device->dev, data->sg, data->sg_len, direction);
+ dma_unmap_sg(chan->device->dev, data->sg, data->sg_len,
+ mmc_get_dma_dir(data));
return -ENOMEM;
}

diff --git a/drivers/mmc/host/davinci_mmc.c b/drivers/mmc/host/davinci_mmc.c
index 1e2600da..621ce47e 100644
--- a/drivers/mmc/host/davinci_mmc.c
+++ b/drivers/mmc/host/davinci_mmc.c
@@ -478,18 +478,14 @@ static int mmc_davinci_start_dma_transfer(struct mmc_davinci_host *host,
int ret = 0;

host->sg_len = dma_map_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
- ((data->flags & MMC_DATA_WRITE)
- ? DMA_TO_DEVICE
- : DMA_FROM_DEVICE));
+ mmc_get_dma_dir(data));

/* no individual DMA segment should need a partial FIFO */
for (i = 0; i < host->sg_len; i++) {
if (sg_dma_len(data->sg + i) & mask) {
dma_unmap_sg(mmc_dev(host->mmc),
- data->sg, data->sg_len,
- (data->flags & MMC_DATA_WRITE)
- ? DMA_TO_DEVICE
- : DMA_FROM_DEVICE);
+ data->sg, data->sg_len,
+ mmc_get_dma_dir(data));
return -1;
}
}
@@ -802,9 +798,7 @@ mmc_davinci_xfer_done(struct mmc_davinci_host *host, struct mmc_data *data)
davinci_abort_dma(host);

dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
- (data->flags & MMC_DATA_WRITE)
- ? DMA_TO_DEVICE
- : DMA_FROM_DEVICE);
+ mmc_get_dma_dir(data));
host->do_dma = false;
}
host->data_dir = DAVINCI_MMC_DATADIR_NONE;
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index e165db05..249ded65 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -431,14 +431,6 @@ static void dw_mci_stop_dma(struct dw_mci *host)
set_bit(EVENT_XFER_COMPLETE, &host->pending_events);
}

-static int dw_mci_get_dma_dir(struct mmc_data *data)
-{
- if (data->flags & MMC_DATA_WRITE)
- return DMA_TO_DEVICE;
- else
- return DMA_FROM_DEVICE;
-}
-
static void dw_mci_dma_cleanup(struct dw_mci *host)
{
struct mmc_data *data = host->data;
@@ -447,7 +439,7 @@ static void dw_mci_dma_cleanup(struct dw_mci *host)
dma_unmap_sg(host->dev,
data->sg,
data->sg_len,
- dw_mci_get_dma_dir(data));
+ mmc_get_dma_dir(data));
data->host_cookie = COOKIE_UNMAPPED;
}
}
@@ -903,7 +895,7 @@ static int dw_mci_pre_dma_transfer(struct dw_mci *host,
sg_len = dma_map_sg(host->dev,
data->sg,
data->sg_len,
- dw_mci_get_dma_dir(data));
+ mmc_get_dma_dir(data));
if (sg_len == 0)
return -EINVAL;

@@ -943,7 +935,7 @@ static void dw_mci_post_req(struct mmc_host *mmc,
dma_unmap_sg(slot->host->dev,
data->sg,
data->sg_len,
- dw_mci_get_dma_dir(data));
+ mmc_get_dma_dir(data));
data->host_cookie = COOKIE_UNMAPPED;
}

diff --git a/drivers/mmc/host/jz4740_mmc.c b/drivers/mmc/host/jz4740_mmc.c
index 819ad329..57e254aa 100644
--- a/drivers/mmc/host/jz4740_mmc.c
+++ b/drivers/mmc/host/jz4740_mmc.c
@@ -200,11 +200,6 @@ static int jz4740_mmc_acquire_dma_channels(struct jz4740_mmc_host *host)
return -ENODEV;
}

-static inline int jz4740_mmc_get_dma_dir(struct mmc_data *data)
-{
- return (data->flags & MMC_DATA_READ) ? DMA_FROM_DEVICE : DMA_TO_DEVICE;
-}
-
static inline struct dma_chan *jz4740_mmc_get_dma_chan(struct jz4740_mmc_host *host,
struct mmc_data *data)
{
@@ -215,7 +210,7 @@ static void jz4740_mmc_dma_unmap(struct jz4740_mmc_host *host,
struct mmc_data *data)
{
struct dma_chan *chan = jz4740_mmc_get_dma_chan(host, data);
- enum dma_data_direction dir = jz4740_mmc_get_dma_dir(data);
+ enum dma_data_direction dir = mmc_get_dma_dir(data);

dma_unmap_sg(chan->device->dev, data->sg, data->sg_len, dir);
}
@@ -227,7 +222,7 @@ static int jz4740_mmc_prepare_dma_data(struct jz4740_mmc_host *host,
struct dma_chan *chan)
{
struct jz4740_mmc_host_next *next_data = &host->next_data;
- enum dma_data_direction dir = jz4740_mmc_get_dma_dir(data);
+ enum dma_data_direction dir = mmc_get_dma_dir(data);
int sg_len;

if (!next && data->host_cookie &&
diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c
index e77d79c8..476e53d3 100644
--- a/drivers/mmc/host/mmc_spi.c
+++ b/drivers/mmc/host/mmc_spi.c
@@ -888,10 +888,7 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd,
u32 clock_rate;
unsigned long timeout;

- if (data->flags & MMC_DATA_READ)
- direction = DMA_FROM_DEVICE;
- else
- direction = DMA_TO_DEVICE;
+ direction = mmc_get_dma_dir(data);
mmc_spi_setup_data_message(host, multiple, direction);
t = &host->t;

diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 0c6420bb..d1ca2f48 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -516,17 +516,14 @@ static void mmci_dma_data_error(struct mmci_host *host)
static void mmci_dma_unmap(struct mmci_host *host, struct mmc_data *data)
{
struct dma_chan *chan;
- enum dma_data_direction dir;

- if (data->flags & MMC_DATA_READ) {
- dir = DMA_FROM_DEVICE;
+ if (data->flags & MMC_DATA_READ)
chan = host->dma_rx_channel;
- } else {
- dir = DMA_TO_DEVICE;
+ else
chan = host->dma_tx_channel;
- }

- dma_unmap_sg(chan->device->dev, data->sg, data->sg_len, dir);
+ dma_unmap_sg(chan->device->dev, data->sg, data->sg_len,
+ mmc_get_dma_dir(data));
}

static void mmci_dma_finalize(struct mmci_host *host, struct mmc_data *data)
@@ -589,17 +586,14 @@ static int __mmci_dma_prep_data(struct mmci_host *host, struct mmc_data *data,
struct dma_chan *chan;
struct dma_device *device;
struct dma_async_tx_descriptor *desc;
- enum dma_data_direction buffer_dirn;
int nr_sg;
unsigned long flags = DMA_CTRL_ACK;

if (data->flags & MMC_DATA_READ) {
conf.direction = DMA_DEV_TO_MEM;
- buffer_dirn = DMA_FROM_DEVICE;
chan = host->dma_rx_channel;
} else {
conf.direction = DMA_MEM_TO_DEV;
- buffer_dirn = DMA_TO_DEVICE;
chan = host->dma_tx_channel;
}

@@ -612,7 +606,8 @@ static int __mmci_dma_prep_data(struct mmci_host *host, struct mmc_data *data,
return -EINVAL;

device = chan->device;
- nr_sg = dma_map_sg(device->dev, data->sg, data->sg_len, buffer_dirn);
+ nr_sg = dma_map_sg(device->dev, data->sg, data->sg_len,
+ mmc_get_dma_dir(data));
if (nr_sg == 0)
return -EINVAL;

@@ -631,7 +626,8 @@ static int __mmci_dma_prep_data(struct mmci_host *host, struct mmc_data *data,
return 0;

unmap_exit:
- dma_unmap_sg(device->dev, data->sg, data->sg_len, buffer_dirn);
+ dma_unmap_sg(device->dev, data->sg, data->sg_len,
+ mmc_get_dma_dir(data));
return -ENOMEM;
}

diff --git a/drivers/mmc/host/moxart-mmc.c b/drivers/mmc/host/moxart-mmc.c
index bbad3096..d4dc55ac 100644
--- a/drivers/mmc/host/moxart-mmc.c
+++ b/drivers/mmc/host/moxart-mmc.c
@@ -256,7 +256,7 @@ static void moxart_dma_complete(void *param)

static void moxart_transfer_dma(struct mmc_data *data, struct moxart_host *host)
{
- u32 len, dir_data, dir_slave;
+ u32 len, dir_slave;
long dma_time;
struct dma_async_tx_descriptor *desc = NULL;
struct dma_chan *dma_chan;
@@ -266,16 +266,14 @@ static void moxart_transfer_dma(struct mmc_data *data, struct moxart_host *host)

if (data->flags & MMC_DATA_WRITE) {
dma_chan = host->dma_chan_tx;
- dir_data = DMA_TO_DEVICE;
dir_slave = DMA_MEM_TO_DEV;
} else {
dma_chan = host->dma_chan_rx;
- dir_data = DMA_FROM_DEVICE;
dir_slave = DMA_DEV_TO_MEM;
}

len = dma_map_sg(dma_chan->device->dev, data->sg,
- data->sg_len, dir_data);
+ data->sg_len, mmc_get_dma_dir(data));

if (len > 0) {
desc = dmaengine_prep_slave_sg(dma_chan, data->sg,
@@ -301,7 +299,7 @@ static void moxart_transfer_dma(struct mmc_data *data, struct moxart_host *host)

dma_unmap_sg(dma_chan->device->dev,
data->sg, data->sg_len,
- dir_data);
+ mmc_get_dma_dir(data));
}

diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
index b235d8da..c8b0b6b9 100644
--- a/drivers/mmc/host/mtk-sd.c
+++ b/drivers/mmc/host/mtk-sd.c
@@ -462,11 +462,9 @@ static void msdc_prepare_data(struct msdc_host *host, struct mmc_request *mrq)
struct mmc_data *data = mrq->data;

if (!(data->host_cookie & MSDC_PREPARE_FLAG)) {
- bool read = (data->flags & MMC_DATA_READ) != 0;
-
data->host_cookie |= MSDC_PREPARE_FLAG;
data->sg_count = dma_map_sg(host->dev, data->sg, data->sg_len,
- read ? DMA_FROM_DEVICE : DMA_TO_DEVICE);
+ mmc_get_dma_dir(data));
}
}

@@ -478,10 +476,8 @@ static void msdc_unprepare_data(struct msdc_host *host, struct mmc_request *mrq)
return;

if (data->host_cookie & MSDC_PREPARE_FLAG) {
- bool read = (data->flags & MMC_DATA_READ) != 0;
-
dma_unmap_sg(host->dev, data->sg, data->sg_len,
- read ? DMA_FROM_DEVICE : DMA_TO_DEVICE);
+ mmc_get_dma_dir(data));
data->host_cookie &= ~MSDC_PREPARE_FLAG;
}
}
diff --git a/drivers/mmc/host/mvsdio.c b/drivers/mmc/host/mvsdio.c
index 42296e55..58d74b8d 100644
--- a/drivers/mmc/host/mvsdio.c
+++ b/drivers/mmc/host/mvsdio.c
@@ -125,10 +125,10 @@ static int mvsd_setup_data(struct mvsd_host *host, struct mmc_data *data)
return 1;
} else {
dma_addr_t phys_addr;
- int dma_dir = (data->flags & MMC_DATA_READ) ?
- DMA_FROM_DEVICE : DMA_TO_DEVICE;
- host->sg_frags = dma_map_sg(mmc_dev(host->mmc), data->sg,
- data->sg_len, dma_dir);
+
+ host->sg_frags = dma_map_sg(mmc_dev(host->mmc),
+ data->sg, data->sg_len,
+ mmc_get_dma_dir(data));
phys_addr = sg_dma_address(data->sg);
mvsd_write(MVSD_SYS_ADDR_LOW, (u32)phys_addr & 0xffff);
mvsd_write(MVSD_SYS_ADDR_HI, (u32)phys_addr >> 16);
@@ -294,8 +294,7 @@ static u32 mvsd_finish_data(struct mvsd_host *host, struct mmc_data *data,
host->pio_size = 0;
} else {
dma_unmap_sg(mmc_dev(host->mmc), data->sg, host->sg_frags,
- (data->flags & MMC_DATA_READ) ?
- DMA_FROM_DEVICE : DMA_TO_DEVICE);
+ mmc_get_dma_dir(data));
}

if (err_status & MVSD_ERR_DATA_TIMEOUT)
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index a58bd653..bf64cf23 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -935,15 +935,6 @@ omap_hsmmc_start_command(struct omap_hsmmc_host *host, struct mmc_command *cmd,
OMAP_HSMMC_WRITE(host->base, CMD, cmdreg);
}

-static int
-omap_hsmmc_get_dma_dir(struct omap_hsmmc_host *host, struct mmc_data *data)
-{
- if (data->flags & MMC_DATA_WRITE)
- return DMA_TO_DEVICE;
- else
- return DMA_FROM_DEVICE;
-}
-
static struct dma_chan *omap_hsmmc_get_dma_chan(struct omap_hsmmc_host *host,
struct mmc_data *data)
{
@@ -1055,7 +1046,7 @@ static void omap_hsmmc_dma_cleanup(struct omap_hsmmc_host *host, int errno)
dmaengine_terminate_all(chan);
dma_unmap_sg(chan->device->dev,
host->data->sg, host->data->sg_len,
- omap_hsmmc_get_dma_dir(host, host->data));
+ mmc_get_dma_dir(host->data));

host->data->host_cookie = 0;
}
@@ -1350,7 +1341,7 @@ static void omap_hsmmc_dma_callback(void *param)
if (!data->host_cookie)
dma_unmap_sg(chan->device->dev,
data->sg, data->sg_len,
- omap_hsmmc_get_dma_dir(host, data));
+ mmc_get_dma_dir(data));

req_in_progress = host->req_in_progress;
host->dma_ch = -1;
@@ -1383,7 +1374,7 @@ static int omap_hsmmc_pre_dma_transfer(struct omap_hsmmc_host *host,
/* Check if next job is already prepared */
if (next || data->host_cookie != host->next_data.cookie) {
dma_len = dma_map_sg(chan->device->dev, data->sg, data->sg_len,
- omap_hsmmc_get_dma_dir(host, data));
+ mmc_get_dma_dir(data));

} else {
dma_len = host->next_data.dma_len;
@@ -1569,7 +1560,7 @@ static void omap_hsmmc_post_req(struct mmc_host *mmc, struct mmc_request *mrq,
struct dma_chan *c = omap_hsmmc_get_dma_chan(host, data);

dma_unmap_sg(c->device->dev, data->sg, data->sg_len,
- omap_hsmmc_get_dma_dir(host, data));
+ mmc_get_dma_dir(data));
data->host_cookie = 0;
}
}
diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c
index 7a173f8c..5c9037eb 100644
--- a/drivers/mmc/host/s3cmci.c
+++ b/drivers/mmc/host/s3cmci.c
@@ -1104,7 +1104,7 @@ static int s3cmci_prepare_dma(struct s3cmci_host *host, struct mmc_data *data)
conf.direction = DMA_MEM_TO_DEV;

dma_map_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
- rw ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
+ mmc_get_dma_dir(data));

dmaengine_slave_config(host->dma, &conf);
desc = dmaengine_prep_slave_sg(host->dma, data->sg, data->sg_len,
@@ -1121,7 +1121,7 @@ static int s3cmci_prepare_dma(struct s3cmci_host *host, struct mmc_data *data)

unmap_exit:
dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
- rw ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
+ mmc_get_dma_dir(data));
return -ENOMEM;
}

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index a33102fc..af8b60f3 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -502,8 +502,7 @@ static int sdhci_pre_dma_transfer(struct sdhci_host *host,
return data->sg_count;

sg_count = dma_map_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
- data->flags & MMC_DATA_WRITE ?
- DMA_TO_DEVICE : DMA_FROM_DEVICE);
+ mmc_get_dma_dir(data));

if (sg_count == 0)
return -ENOSPC;
@@ -2213,8 +2212,7 @@ static void sdhci_post_req(struct mmc_host *mmc, struct mmc_request *mrq,

if (data->host_cookie != COOKIE_UNMAPPED)
dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
- data->flags & MMC_DATA_WRITE ?
- DMA_TO_DEVICE : DMA_FROM_DEVICE);
+ mmc_get_dma_dir(data));

data->host_cookie = COOKIE_UNMAPPED;
}
@@ -2330,8 +2328,7 @@ static bool sdhci_request_done(struct sdhci_host *host)

if (data && data->host_cookie == COOKIE_MAPPED) {
dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
- (data->flags & MMC_DATA_READ) ?
- DMA_FROM_DEVICE : DMA_TO_DEVICE);
+ mmc_get_dma_dir(data));
data->host_cookie = COOKIE_UNMAPPED;
}
}
diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c
index 6ffcd283..ea415b0d 100644
--- a/drivers/mmc/host/sunxi-mmc.c
+++ b/drivers/mmc/host/sunxi-mmc.c
@@ -385,14 +385,6 @@ static void sunxi_mmc_init_idma_des(struct sunxi_mmc_host *host,
wmb();
}

-static enum dma_data_direction sunxi_mmc_get_dma_dir(struct mmc_data *data)
-{
- if (data->flags & MMC_DATA_WRITE)
- return DMA_TO_DEVICE;
- else
- return DMA_FROM_DEVICE;
-}
-
static int sunxi_mmc_map_dma(struct sunxi_mmc_host *host,
struct mmc_data *data)
{
@@ -400,7 +392,7 @@ static int sunxi_mmc_map_dma(struct sunxi_mmc_host *host,
struct scatterlist *sg;

dma_len = dma_map_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
- sunxi_mmc_get_dma_dir(data));
+ mmc_get_dma_dir(data));
if (dma_len == 0) {
dev_err(mmc_dev(host->mmc), "dma_map_sg failed\n");
return -ENOMEM;
@@ -551,7 +543,7 @@ static irqreturn_t sunxi_mmc_finalize_request(struct sunxi_mmc_host *host)
rval |= SDXC_FIFO_RESET;
mmc_writel(host, REG_GCTRL, rval);
dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
- sunxi_mmc_get_dma_dir(data));
+ mmc_get_dma_dir(data));
}

mmc_writel(host, REG_RINTR, 0xffff);
@@ -1022,7 +1014,7 @@ static void sunxi_mmc_request(struct mmc_host *mmc, struct mmc_request *mrq)

if (data)
dma_unmap_sg(mmc_dev(mmc), data->sg, data->sg_len,
- sunxi_mmc_get_dma_dir(data));
+ mmc_get_dma_dir(data));

dev_err(mmc_dev(mmc), "request already pending\n");
mrq->cmd->error = -EBUSY;
--
2.12.0