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Commit 8e9c238c authored by Linus Torvalds's avatar Linus Torvalds
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Merge master.kernel.org:/home/rmk/linux-2.6-mmc

parents f17578de 7225b3fd
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Showing with 282 additions and 266 deletions
drivers/mmc/mmc.c
View file @ 8e9c238c
......@@ -495,6 +495,7 @@ static void mmc_decode_cid(struct mmc_card *card)
case 2: /* MMC v2.0 - v2.2 */
case 3: /* MMC v3.1 - v3.3 */
case 4: /* MMC v4 */
card->cid.manfid = UNSTUFF_BITS(resp, 120, 8);
card->cid.oemid = UNSTUFF_BITS(resp, 104, 16);
card->cid.prod_name[0] = UNSTUFF_BITS(resp, 96, 8);
......
drivers/mmc/mmc_block.c
View file @ 8e9c238c
......@@ -187,7 +187,13 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
brq.data.flags |= MMC_DATA_WRITE;
brq.data.blocks = 1;
}
brq.mrq.stop = brq.data.blocks > 1 ? &brq.stop : NULL;
if (brq.data.blocks > 1) {
brq.data.flags |= MMC_DATA_MULTI;
brq.mrq.stop = &brq.stop;
} else {
brq.mrq.stop = NULL;
}
brq.data.sg = mq->sg;
brq.data.sg_len = blk_rq_map_sg(req->q, req, brq.data.sg);
......
drivers/mmc/wbsd.c
View file @ 8e9c238c
......@@ -90,7 +90,7 @@ static int dma = 2;
* Basic functions
*/
static inline void wbsd_unlock_config(struct wbsd_host* host)
static inline void wbsd_unlock_config(struct wbsd_host *host)
{
BUG_ON(host->config == 0);
......@@ -98,14 +98,14 @@ static inline void wbsd_unlock_config(struct wbsd_host* host)
outb(host->unlock_code, host->config);
}
static inline void wbsd_lock_config(struct wbsd_host* host)
static inline void wbsd_lock_config(struct wbsd_host *host)
{
BUG_ON(host->config == 0);
outb(LOCK_CODE, host->config);
}
static inline void wbsd_write_config(struct wbsd_host* host, u8 reg, u8 value)
static inline void wbsd_write_config(struct wbsd_host *host, u8 reg, u8 value)
{
BUG_ON(host->config == 0);
......@@ -113,7 +113,7 @@ static inline void wbsd_write_config(struct wbsd_host* host, u8 reg, u8 value)
outb(value, host->config + 1);
}
static inline u8 wbsd_read_config(struct wbsd_host* host, u8 reg)
static inline u8 wbsd_read_config(struct wbsd_host *host, u8 reg)
{
BUG_ON(host->config == 0);
......@@ -121,13 +121,13 @@ static inline u8 wbsd_read_config(struct wbsd_host* host, u8 reg)
return inb(host->config + 1);
}
static inline void wbsd_write_index(struct wbsd_host* host, u8 index, u8 value)
static inline void wbsd_write_index(struct wbsd_host *host, u8 index, u8 value)
{
outb(index, host->base + WBSD_IDXR);
outb(value, host->base + WBSD_DATAR);
}
static inline u8 wbsd_read_index(struct wbsd_host* host, u8 index)
static inline u8 wbsd_read_index(struct wbsd_host *host, u8 index)
{
outb(index, host->base + WBSD_IDXR);
return inb(host->base + WBSD_DATAR);
......@@ -137,7 +137,7 @@ static inline u8 wbsd_read_index(struct wbsd_host* host, u8 index)
* Common routines
*/
static void wbsd_init_device(struct wbsd_host* host)
static void wbsd_init_device(struct wbsd_host *host)
{
u8 setup, ier;
......@@ -197,7 +197,7 @@ static void wbsd_init_device(struct wbsd_host* host)
inb(host->base + WBSD_ISR);
}
static void wbsd_reset(struct wbsd_host* host)
static void wbsd_reset(struct wbsd_host *host)
{
u8 setup;
......@@ -211,14 +211,13 @@ static void wbsd_reset(struct wbsd_host* host)
wbsd_write_index(host, WBSD_IDX_SETUP, setup);
}
static void wbsd_request_end(struct wbsd_host* host, struct mmc_request* mrq)
static void wbsd_request_end(struct wbsd_host *host, struct mmc_request *mrq)
{
unsigned long dmaflags;
DBGF("Ending request, cmd (%x)\n", mrq->cmd->opcode);
if (host->dma >= 0)
{
if (host->dma >= 0) {
/*
* Release ISA DMA controller.
*/
......@@ -247,7 +246,7 @@ static void wbsd_request_end(struct wbsd_host* host, struct mmc_request* mrq)
* Scatter/gather functions
*/
static inline void wbsd_init_sg(struct wbsd_host* host, struct mmc_data* data)
static inline void wbsd_init_sg(struct wbsd_host *host, struct mmc_data *data)
{
/*
* Get info. about SG list from data structure.
......@@ -259,7 +258,7 @@ static inline void wbsd_init_sg(struct wbsd_host* host, struct mmc_data* data)
host->remain = host->cur_sg->length;
}
static inline int wbsd_next_sg(struct wbsd_host* host)
static inline int wbsd_next_sg(struct wbsd_host *host)
{
/*
* Skip to next SG entry.
......@@ -270,33 +269,32 @@ static inline int wbsd_next_sg(struct wbsd_host* host)
/*
* Any entries left?
*/
if (host->num_sg > 0)
{
host->offset = 0;
host->remain = host->cur_sg->length;
}
if (host->num_sg > 0) {
host->offset = 0;
host->remain = host->cur_sg->length;
}
return host->num_sg;
}
static inline char* wbsd_kmap_sg(struct wbsd_host* host)
static inline char *wbsd_kmap_sg(struct wbsd_host *host)
{
host->mapped_sg = kmap_atomic(host->cur_sg->page, KM_BIO_SRC_IRQ) +
host->cur_sg->offset;
return host->mapped_sg;
}
static inline void wbsd_kunmap_sg(struct wbsd_host* host)
static inline void wbsd_kunmap_sg(struct wbsd_host *host)
{
kunmap_atomic(host->mapped_sg, KM_BIO_SRC_IRQ);
}
static inline void wbsd_sg_to_dma(struct wbsd_host* host, struct mmc_data* data)
static inline void wbsd_sg_to_dma(struct wbsd_host *host, struct mmc_data *data)
{
unsigned int len, i, size;
struct scatterlist* sg;
char* dmabuf = host->dma_buffer;
char* sgbuf;
struct scatterlist *sg;
char *dmabuf = host->dma_buffer;
char *sgbuf;
size = host->size;
......@@ -308,8 +306,7 @@ static inline void wbsd_sg_to_dma(struct wbsd_host* host, struct mmc_data* data)
* be the entire list though so make sure that
* we do not transfer too much.
*/
for (i = 0;i < len;i++)
{
for (i = 0; i < len; i++) {
sgbuf = kmap_atomic(sg[i].page, KM_BIO_SRC_IRQ) + sg[i].offset;
if (size < sg[i].length)
memcpy(dmabuf, sgbuf, size);
......@@ -337,12 +334,12 @@ static inline void wbsd_sg_to_dma(struct wbsd_host* host, struct mmc_data* data)
host->size -= size;
}
static inline void wbsd_dma_to_sg(struct wbsd_host* host, struct mmc_data* data)
static inline void wbsd_dma_to_sg(struct wbsd_host *host, struct mmc_data *data)
{
unsigned int len, i, size;
struct scatterlist* sg;
char* dmabuf = host->dma_buffer;
char* sgbuf;
struct scatterlist *sg;
char *dmabuf = host->dma_buffer;
char *sgbuf;
size = host->size;
......@@ -354,8 +351,7 @@ static inline void wbsd_dma_to_sg(struct wbsd_host* host, struct mmc_data* data)
* be the entire list though so make sure that
* we do not transfer too much.
*/
for (i = 0;i < len;i++)
{
for (i = 0; i < len; i++) {
sgbuf = kmap_atomic(sg[i].page, KM_BIO_SRC_IRQ) + sg[i].offset;
if (size < sg[i].length)
memcpy(sgbuf, dmabuf, size);
......@@ -387,46 +383,38 @@ static inline void wbsd_dma_to_sg(struct wbsd_host* host, struct mmc_data* data)
* Command handling
*/
static inline void wbsd_get_short_reply(struct wbsd_host* host,
struct mmc_command* cmd)
static inline void wbsd_get_short_reply(struct wbsd_host *host,
struct mmc_command *cmd)
{
/*
* Correct response type?
*/
if (wbsd_read_index(host, WBSD_IDX_RSPLEN) != WBSD_RSP_SHORT)
{
if (wbsd_read_index(host, WBSD_IDX_RSPLEN) != WBSD_RSP_SHORT) {
cmd->error = MMC_ERR_INVALID;
return;
}
cmd->resp[0] =
wbsd_read_index(host, WBSD_IDX_RESP12) << 24;
cmd->resp[0] |=
wbsd_read_index(host, WBSD_IDX_RESP13) << 16;
cmd->resp[0] |=
wbsd_read_index(host, WBSD_IDX_RESP14) << 8;
cmd->resp[0] |=
wbsd_read_index(host, WBSD_IDX_RESP15) << 0;
cmd->resp[1] =
wbsd_read_index(host, WBSD_IDX_RESP16) << 24;
cmd->resp[0] = wbsd_read_index(host, WBSD_IDX_RESP12) << 24;
cmd->resp[0] |= wbsd_read_index(host, WBSD_IDX_RESP13) << 16;
cmd->resp[0] |= wbsd_read_index(host, WBSD_IDX_RESP14) << 8;
cmd->resp[0] |= wbsd_read_index(host, WBSD_IDX_RESP15) << 0;
cmd->resp[1] = wbsd_read_index(host, WBSD_IDX_RESP16) << 24;
}
static inline void wbsd_get_long_reply(struct wbsd_host* host,
struct mmc_command* cmd)
static inline void wbsd_get_long_reply(struct wbsd_host *host,
struct mmc_command *cmd)
{
int i;
/*
* Correct response type?
*/
if (wbsd_read_index(host, WBSD_IDX_RSPLEN) != WBSD_RSP_LONG)
{
if (wbsd_read_index(host, WBSD_IDX_RSPLEN) != WBSD_RSP_LONG) {
cmd->error = MMC_ERR_INVALID;
return;
}
for (i = 0;i < 4;i++)
{
for (i = 0; i < 4; i++) {
cmd->resp[i] =
wbsd_read_index(host, WBSD_IDX_RESP1 + i * 4) << 24;
cmd->resp[i] |=
......@@ -438,7 +426,7 @@ static inline void wbsd_get_long_reply(struct wbsd_host* host,
}
}
static void wbsd_send_command(struct wbsd_host* host, struct mmc_command* cmd)
static void wbsd_send_command(struct wbsd_host *host, struct mmc_command *cmd)
{
int i;
u8 status, isr;
......@@ -456,7 +444,7 @@ static void wbsd_send_command(struct wbsd_host* host, struct mmc_command* cmd)
* Send the command (CRC calculated by host).
*/
outb(cmd->opcode, host->base + WBSD_CMDR);
for (i = 3;i >= 0;i--)
for (i = 3; i >= 0; i--)
outb((cmd->arg >> (i * 8)) & 0xff, host->base + WBSD_CMDR);
cmd->error = MMC_ERR_NONE;
......@@ -471,8 +459,7 @@ static void wbsd_send_command(struct wbsd_host* host, struct mmc_command* cmd)
/*
* Do we expect a reply?
*/
if ((cmd->flags & MMC_RSP_MASK) != MMC_RSP_NONE)
{
if ((cmd->flags & MMC_RSP_MASK) != MMC_RSP_NONE) {
/*
* Read back status.
*/
......@@ -488,8 +475,7 @@ static void wbsd_send_command(struct wbsd_host* host, struct mmc_command* cmd)
else if ((cmd->flags & MMC_RSP_CRC) && (isr & WBSD_INT_CRC))
cmd->error = MMC_ERR_BADCRC;
/* All ok */
else
{
else {
if ((cmd->flags & MMC_RSP_MASK) == MMC_RSP_SHORT)
wbsd_get_short_reply(host, cmd);
else
......@@ -504,10 +490,10 @@ static void wbsd_send_command(struct wbsd_host* host, struct mmc_command* cmd)
* Data functions
*/
static void wbsd_empty_fifo(struct wbsd_host* host)
static void wbsd_empty_fifo(struct wbsd_host *host)
{
struct mmc_data* data = host->mrq->cmd->data;
char* buffer;
struct mmc_data *data = host->mrq->cmd->data;
char *buffer;
int i, fsr, fifo;
/*
......@@ -522,8 +508,7 @@ static void wbsd_empty_fifo(struct wbsd_host* host)
* Drain the fifo. This has a tendency to loop longer
* than the FIFO length (usually one block).
*/
while (!((fsr = inb(host->base + WBSD_FSR)) & WBSD_FIFO_EMPTY))
{
while (!((fsr = inb(host->base + WBSD_FSR)) & WBSD_FIFO_EMPTY)) {
/*
* The size field in the FSR is broken so we have to
* do some guessing.
......@@ -535,8 +520,7 @@ static void wbsd_empty_fifo(struct wbsd_host* host)
else
fifo = 1;
for (i = 0;i < fifo;i++)
{
for (i = 0; i < fifo; i++) {
*buffer = inb(host->base + WBSD_DFR);
buffer++;
host->offset++;
......@@ -547,8 +531,7 @@ static void wbsd_empty_fifo(struct wbsd_host* host)
/*
* Transfer done?
*/
if (data->bytes_xfered == host->size)
{
if (data->bytes_xfered == host->size) {
wbsd_kunmap_sg(host);
return;
}
......@@ -556,15 +539,13 @@ static void wbsd_empty_fifo(struct wbsd_host* host)
/*
* End of scatter list entry?
*/
if (host->remain == 0)
{
if (host->remain == 0) {
wbsd_kunmap_sg(host);
/*
* Get next entry. Check if last.
*/
if (!wbsd_next_sg(host))
{
if (!wbsd_next_sg(host)) {
/*
* We should never reach this point.
* It means that we're trying to
......@@ -594,10 +575,10 @@ static void wbsd_empty_fifo(struct wbsd_host* host)
tasklet_schedule(&host->fifo_tasklet);
}
static void wbsd_fill_fifo(struct wbsd_host* host)
static void wbsd_fill_fifo(struct wbsd_host *host)
{
struct mmc_data* data = host->mrq->cmd->data;
char* buffer;
struct mmc_data *data = host->mrq->cmd->data;
char *buffer;
int i, fsr, fifo;
/*
......@@ -613,8 +594,7 @@ static void wbsd_fill_fifo(struct wbsd_host* host)
* Fill the fifo. This has a tendency to loop longer
* than the FIFO length (usually one block).
*/
while (!((fsr = inb(host->base + WBSD_FSR)) & WBSD_FIFO_FULL))
{
while (!((fsr = inb(host->base + WBSD_FSR)) & WBSD_FIFO_FULL)) {
/*
* The size field in the FSR is broken so we have to
* do some guessing.
......@@ -626,8 +606,7 @@ static void wbsd_fill_fifo(struct wbsd_host* host)
else
fifo = 15;
for (i = 16;i > fifo;i--)
{
for (i = 16; i > fifo; i--) {
outb(*buffer, host->base + WBSD_DFR);
buffer++;
host->offset++;
......@@ -638,8 +617,7 @@ static void wbsd_fill_fifo(struct wbsd_host* host)
/*
* Transfer done?
*/
if (data->bytes_xfered == host->size)
{
if (data->bytes_xfered == host->size) {
wbsd_kunmap_sg(host);
return;
}
......@@ -647,15 +625,13 @@ static void wbsd_fill_fifo(struct wbsd_host* host)
/*
* End of scatter list entry?
*/
if (host->remain == 0)
{
if (host->remain == 0) {
wbsd_kunmap_sg(host);
/*
* Get next entry. Check if last.
*/
if (!wbsd_next_sg(host))
{
if (!wbsd_next_sg(host)) {
/*
* We should never reach this point.
* It means that we're trying to
......@@ -684,7 +660,7 @@ static void wbsd_fill_fifo(struct wbsd_host* host)
tasklet_schedule(&host->fifo_tasklet);
}
static void wbsd_prepare_data(struct wbsd_host* host, struct mmc_data* data)
static void wbsd_prepare_data(struct wbsd_host *host, struct mmc_data *data)
{
u16 blksize;
u8 setup;
......@@ -706,8 +682,10 @@ static void wbsd_prepare_data(struct wbsd_host* host, struct mmc_data* data)
*/
if (data->timeout_ns > 127000000)
wbsd_write_index(host, WBSD_IDX_TAAC, 127);
else
wbsd_write_index(host, WBSD_IDX_TAAC, data->timeout_ns/1000000);
else {
wbsd_write_index(host, WBSD_IDX_TAAC,
data->timeout_ns / 1000000);
}
if (data->timeout_clks > 255)
wbsd_write_index(host, WBSD_IDX_NSAC, 255);
......@@ -722,23 +700,18 @@ static void wbsd_prepare_data(struct wbsd_host* host, struct mmc_data* data)
* Space for CRC must be included in the size.
* Two bytes are needed for each data line.
*/
if (host->bus_width == MMC_BUS_WIDTH_1)
{
if (host->bus_width == MMC_BUS_WIDTH_1) {
blksize = (1 << data->blksz_bits) + 2;
wbsd_write_index(host, WBSD_IDX_PBSMSB, (blksize >> 4) & 0xF0);
wbsd_write_index(host, WBSD_IDX_PBSLSB, blksize & 0xFF);
}
else if (host->bus_width == MMC_BUS_WIDTH_4)
{
} else if (host->bus_width == MMC_BUS_WIDTH_4) {
blksize = (1 << data->blksz_bits) + 2 * 4;
wbsd_write_index(host, WBSD_IDX_PBSMSB, ((blksize >> 4) & 0xF0)
| WBSD_DATA_WIDTH);
wbsd_write_index(host, WBSD_IDX_PBSMSB,
((blksize >> 4) & 0xF0) | WBSD_DATA_WIDTH);
wbsd_write_index(host, WBSD_IDX_PBSLSB, blksize & 0xFF);
}
else
{
} else {
data->error = MMC_ERR_INVALID;
return;
}
......@@ -755,14 +728,12 @@ static void wbsd_prepare_data(struct wbsd_host* host, struct mmc_data* data)
/*
* DMA transfer?
*/
if (host->dma >= 0)
{
if (host->dma >= 0) {
/*
* The buffer for DMA is only 64 kB.
*/
BUG_ON(host->size > 0x10000);
if (host->size > 0x10000)
{
if (host->size > 0x10000) {
data->error = MMC_ERR_INVALID;
return;
}
......@@ -794,9 +765,7 @@ static void wbsd_prepare_data(struct wbsd_host* host, struct mmc_data* data)
* Enable DMA on the host.
*/
wbsd_write_index(host, WBSD_IDX_DMA, WBSD_DMA_ENABLE);
}
else
{
} else {
/*
* This flag is used to keep printk
* output to a minimum.
......@@ -817,13 +786,10 @@ static void wbsd_prepare_data(struct wbsd_host* host, struct mmc_data* data)
* Set up FIFO threshold levels (and fill
* buffer if doing a write).
*/
if (data->flags & MMC_DATA_READ)
{
if (data->flags & MMC_DATA_READ) {
wbsd_write_index(host, WBSD_IDX_FIFOEN,
WBSD_FIFOEN_FULL | 8);
}
else
{
} else {
wbsd_write_index(host, WBSD_IDX_FIFOEN,
WBSD_FIFOEN_EMPTY | 8);
wbsd_fill_fifo(host);
......@@ -833,7 +799,7 @@ static void wbsd_prepare_data(struct wbsd_host* host, struct mmc_data* data)
data->error = MMC_ERR_NONE;
}
static void wbsd_finish_data(struct wbsd_host* host, struct mmc_data* data)
static void wbsd_finish_data(struct wbsd_host *host, struct mmc_data *data)
{
unsigned long dmaflags;
int count;
......@@ -851,16 +817,14 @@ static void wbsd_finish_data(struct wbsd_host* host, struct mmc_data* data)
* Wait for the controller to leave data
* transfer state.
*/
do
{
do {
status = wbsd_read_index(host, WBSD_IDX_STATUS);
} while (status & (WBSD_BLOCK_READ | WBSD_BLOCK_WRITE));
/*
* DMA transfer?
*/
if (host->dma >= 0)
{
if (host->dma >= 0) {
/*
* Disable DMA on the host.
*/
......@@ -878,16 +842,13 @@ static void wbsd_finish_data(struct wbsd_host* host, struct mmc_data* data)
/*
* Any leftover data?
*/
if (count)
{
if (count) {
printk(KERN_ERR "%s: Incomplete DMA transfer. "
"%d bytes left.\n",
mmc_hostname(host->mmc), count);
data->error = MMC_ERR_FAILED;
}
else
{
} else {
/*
* Transfer data from DMA buffer to
* SG list.
......@@ -910,10 +871,10 @@ static void wbsd_finish_data(struct wbsd_host* host, struct mmc_data* data)
* *
\*****************************************************************************/
static void wbsd_request(struct mmc_host* mmc, struct mmc_request* mrq)
static void wbsd_request(struct mmc_host *mmc, struct mmc_request *mrq)
{
struct wbsd_host* host = mmc_priv(mmc);
struct mmc_command* cmd;
struct wbsd_host *host = mmc_priv(mmc);
struct mmc_command *cmd;
/*
* Disable tasklets to avoid a deadlock.
......@@ -930,8 +891,7 @@ static void wbsd_request(struct mmc_host* mmc, struct mmc_request* mrq)
* If there is no card in the slot then
* timeout immediatly.
*/
if (!(host->flags & WBSD_FCARD_PRESENT))
{
if (!(host->flags & WBSD_FCARD_PRESENT)) {
cmd->error = MMC_ERR_TIMEOUT;
goto done;
}
......@@ -939,8 +899,7 @@ static void wbsd_request(struct mmc_host* mmc, struct mmc_request* mrq)
/*
* Does the request include data?
*/
if (cmd->data)
{
if (cmd->data) {
wbsd_prepare_data(host, cmd->data);
if (cmd->data->error != MMC_ERR_NONE)
......@@ -954,8 +913,7 @@ static void wbsd_request(struct mmc_host* mmc, struct mmc_request* mrq)
* will be finished after the data has
* transfered.
*/
if (cmd->data && (cmd->error == MMC_ERR_NONE))
{
if (cmd->data && (cmd->error == MMC_ERR_NONE)) {
/*
* Dirty fix for hardware bug.
*/
......@@ -973,14 +931,14 @@ static void wbsd_request(struct mmc_host* mmc, struct mmc_request* mrq)
spin_unlock_bh(&host->lock);
}
static void wbsd_set_ios(struct mmc_host* mmc, struct mmc_ios* ios)
static void wbsd_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
{
struct wbsd_host* host = mmc_priv(mmc);
struct wbsd_host *host = mmc_priv(mmc);
u8 clk, setup, pwr;
DBGF("clock %uHz busmode %u powermode %u cs %u Vdd %u width %u\n",
ios->clock, ios->bus_mode, ios->power_mode, ios->chip_select,
ios->vdd, ios->bus_width);
ios->clock, ios->bus_mode, ios->power_mode, ios->chip_select,
ios->vdd, ios->bus_width);
spin_lock_bh(&host->lock);
......@@ -1004,8 +962,7 @@ static void wbsd_set_ios(struct mmc_host* mmc, struct mmc_ios* ios)
* Only write to the clock register when
* there is an actual change.
*/
if (clk != host->clk)
{
if (clk != host->clk) {
wbsd_write_index(host, WBSD_IDX_CLK, clk);
host->clk = clk;
}
......@@ -1013,8 +970,7 @@ static void wbsd_set_ios(struct mmc_host* mmc, struct mmc_ios* ios)
/*
* Power up card.
*/
if (ios->power_mode != MMC_POWER_OFF)
{
if (ios->power_mode != MMC_POWER_OFF) {
pwr = inb(host->base + WBSD_CSR);
pwr &= ~WBSD_POWER_N;
outb(pwr, host->base + WBSD_CSR);
......@@ -1026,23 +982,19 @@ static void wbsd_set_ios(struct mmc_host* mmc, struct mmc_ios* ios)
* that needs to be disabled.
*/
setup = wbsd_read_index(host, WBSD_IDX_SETUP);
if (ios->chip_select == MMC_CS_HIGH)
{
if (ios->chip_select == MMC_CS_HIGH) {
BUG_ON(ios->bus_width != MMC_BUS_WIDTH_1);
setup |= WBSD_DAT3_H;
host->flags |= WBSD_FIGNORE_DETECT;
}
else
{
if (setup & WBSD_DAT3_H)
{
} else {
if (setup & WBSD_DAT3_H) {
setup &= ~WBSD_DAT3_H;
/*
* We cannot resume card detection immediatly
* because of capacitance and delays in the chip.
*/
mod_timer(&host->ignore_timer, jiffies + HZ/100);
mod_timer(&host->ignore_timer, jiffies + HZ / 100);
}
}
wbsd_write_index(host, WBSD_IDX_SETUP, setup);
......@@ -1056,9 +1008,9 @@ static void wbsd_set_ios(struct mmc_host* mmc, struct mmc_ios* ios)
spin_unlock_bh(&host->lock);
}
static int wbsd_get_ro(struct mmc_host* mmc)
static int wbsd_get_ro(struct mmc_host *mmc)
{
struct wbsd_host* host = mmc_priv(mmc);
struct wbsd_host *host = mmc_priv(mmc);
u8 csr;
spin_lock_bh(&host->lock);
......@@ -1096,7 +1048,7 @@ static struct mmc_host_ops wbsd_ops = {
static void wbsd_reset_ignore(unsigned long data)
{
struct wbsd_host *host = (struct wbsd_host*)data;
struct wbsd_host *host = (struct wbsd_host *)data;
BUG_ON(host == NULL);
......@@ -1119,7 +1071,7 @@ static void wbsd_reset_ignore(unsigned long data)
* Tasklets
*/
static inline struct mmc_data* wbsd_get_data(struct wbsd_host* host)
static inline struct mmc_data *wbsd_get_data(struct wbsd_host *host)
{
WARN_ON(!host->mrq);
if (!host->mrq)
......@@ -1138,14 +1090,13 @@ static inline struct mmc_data* wbsd_get_data(struct wbsd_host* host)
static void wbsd_tasklet_card(unsigned long param)
{
struct wbsd_host* host = (struct wbsd_host*)param;
struct wbsd_host *host = (struct wbsd_host *)param;
u8 csr;
int delay = -1;
spin_lock(&host->lock);
if (host->flags & WBSD_FIGNORE_DETECT)
{
if (host->flags & WBSD_FIGNORE_DETECT) {
spin_unlock(&host->lock);
return;
}
......@@ -1153,23 +1104,18 @@ static void wbsd_tasklet_card(unsigned long param)
csr = inb(host->base + WBSD_CSR);
WARN_ON(csr == 0xff);
if (csr & WBSD_CARDPRESENT)
{
if (!(host->flags & WBSD_FCARD_PRESENT))
{
if (csr & WBSD_CARDPRESENT) {
if (!(host->flags & WBSD_FCARD_PRESENT)) {
DBG("Card inserted\n");
host->flags |= WBSD_FCARD_PRESENT;
delay = 500;
}
}
else if (host->flags & WBSD_FCARD_PRESENT)
{
} else if (host->flags & WBSD_FCARD_PRESENT) {
DBG("Card removed\n");
host->flags &= ~WBSD_FCARD_PRESENT;
if (host->mrq)
{
if (host->mrq) {
printk(KERN_ERR "%s: Card removed during transfer!\n",
mmc_hostname(host->mmc));
wbsd_reset(host);
......@@ -1193,8 +1139,8 @@ static void wbsd_tasklet_card(unsigned long param)
static void wbsd_tasklet_fifo(unsigned long param)
{
struct wbsd_host* host = (struct wbsd_host*)param;
struct mmc_data* data;
struct wbsd_host *host = (struct wbsd_host *)param;
struct mmc_data *data;
spin_lock(&host->lock);
......@@ -1213,8 +1159,7 @@ static void wbsd_tasklet_fifo(unsigned long param)
/*
* Done?
*/
if (host->size == data->bytes_xfered)
{
if (host->size == data->bytes_xfered) {
wbsd_write_index(host, WBSD_IDX_FIFOEN, 0);
tasklet_schedule(&host->finish_tasklet);
}
......@@ -1225,8 +1170,8 @@ static void wbsd_tasklet_fifo(unsigned long param)
static void wbsd_tasklet_crc(unsigned long param)
{
struct wbsd_host* host = (struct wbsd_host*)param;
struct mmc_data* data;
struct wbsd_host *host = (struct wbsd_host *)param;
struct mmc_data *data;
spin_lock(&host->lock);
......@@ -1249,8 +1194,8 @@ static void wbsd_tasklet_crc(unsigned long param)
static void wbsd_tasklet_timeout(unsigned long param)
{
struct wbsd_host* host = (struct wbsd_host*)param;
struct mmc_data* data;
struct wbsd_host *host = (struct wbsd_host *)param;
struct mmc_data *data;
spin_lock(&host->lock);
......@@ -1273,8 +1218,8 @@ static void wbsd_tasklet_timeout(unsigned long param)
static void wbsd_tasklet_finish(unsigned long param)
{
struct wbsd_host* host = (struct wbsd_host*)param;
struct mmc_data* data;
struct wbsd_host *host = (struct wbsd_host *)param;
struct mmc_data *data;
spin_lock(&host->lock);
......@@ -1294,14 +1239,13 @@ static void wbsd_tasklet_finish(unsigned long param)
static void wbsd_tasklet_block(unsigned long param)
{
struct wbsd_host* host = (struct wbsd_host*)param;
struct mmc_data* data;
struct wbsd_host *host = (struct wbsd_host *)param;
struct mmc_data *data;
spin_lock(&host->lock);
if ((wbsd_read_index(host, WBSD_IDX_CRCSTATUS) & WBSD_CRC_MASK) !=
WBSD_CRC_OK)
{
WBSD_CRC_OK) {
data = wbsd_get_data(host);
if (!data)
goto end;
......@@ -1323,7 +1267,7 @@ static void wbsd_tasklet_block(unsigned long param)
static irqreturn_t wbsd_irq(int irq, void *dev_id, struct pt_regs *regs)
{
struct wbsd_host* host = dev_id;
struct wbsd_host *host = dev_id;
int isr;
isr = inb(host->base + WBSD_ISR);
......@@ -1365,10 +1309,10 @@ static irqreturn_t wbsd_irq(int irq, void *dev_id, struct pt_regs *regs)
* Allocate/free MMC structure.
*/
static int __devinit wbsd_alloc_mmc(struct device* dev)
static int __devinit wbsd_alloc_mmc(struct device *dev)
{
struct mmc_host* mmc;
struct wbsd_host* host;
struct mmc_host *mmc;
struct wbsd_host *host;
/*
* Allocate MMC structure.
......@@ -1388,7 +1332,7 @@ static int __devinit wbsd_alloc_mmc(struct device* dev)
mmc->ops = &wbsd_ops;
mmc->f_min = 375000;
mmc->f_max = 24000000;
mmc->ocr_avail = MMC_VDD_32_33|MMC_VDD_33_34;
mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34;
mmc->caps = MMC_CAP_4_BIT_DATA;
spin_lock_init(&host->lock);
......@@ -1424,10 +1368,10 @@ static int __devinit wbsd_alloc_mmc(struct device* dev)
return 0;
}
static void __devexit wbsd_free_mmc(struct device* dev)
static void __devexit wbsd_free_mmc(struct device *dev)
{
struct mmc_host* mmc;
struct wbsd_host* host;
struct mmc_host *mmc;
struct wbsd_host *host;
mmc = dev_get_drvdata(dev);
if (!mmc)
......@@ -1447,7 +1391,7 @@ static void __devexit wbsd_free_mmc(struct device* dev)
* Scan for known chip id:s
*/
static int __devinit wbsd_scan(struct wbsd_host* host)
static int __devinit wbsd_scan(struct wbsd_host *host)
{
int i, j, k;
int id;
......@@ -1477,16 +1421,14 @@ static int __devinit wbsd_scan(struct wbsd_host* host)
wbsd_lock_config(host);
for (k = 0; k < ARRAY_SIZE(valid_ids); k++) {
if (id == valid_ids[k])
{
if (id == valid_ids[k]) {
host->chip_id = id;
return 0;
}
}
if (id != 0xFFFF)
{
if (id != 0xFFFF) {
DBG("Unknown hardware (id %x) found at %x\n",
id, config_ports[i]);
}
......@@ -1505,7 +1447,7 @@ static int __devinit wbsd_scan(struct wbsd_host* host)
* Allocate/free io port ranges
*/
static int __devinit wbsd_request_region(struct wbsd_host* host, int base)
static int __devinit wbsd_request_region(struct wbsd_host *host, int base)
{
if (io & 0x7)
return -EINVAL;
......@@ -1518,7 +1460,7 @@ static int __devinit wbsd_request_region(struct wbsd_host* host, int base)
return 0;
}
static void __devexit wbsd_release_regions(struct wbsd_host* host)
static void __devexit wbsd_release_regions(struct wbsd_host *host)
{
if (host->base)
release_region(host->base, 8);
......@@ -1535,7 +1477,7 @@ static void __devexit wbsd_release_regions(struct wbsd_host* host)
* Allocate/free DMA port and buffer
*/
static void __devinit wbsd_request_dma(struct wbsd_host* host, int dma)
static void __devinit wbsd_request_dma(struct wbsd_host *host, int dma)
{
if (dma < 0)
return;
......@@ -1579,8 +1521,8 @@ static void __devinit wbsd_request_dma(struct wbsd_host* host, int dma)
*/
BUG_ON(1);
dma_unmap_single(host->mmc->dev, host->dma_addr, WBSD_DMA_SIZE,
DMA_BIDIRECTIONAL);
dma_unmap_single(host->mmc->dev, host->dma_addr,
WBSD_DMA_SIZE, DMA_BIDIRECTIONAL);
host->dma_addr = (dma_addr_t)NULL;
kfree(host->dma_buffer);
......@@ -1594,11 +1536,12 @@ static void __devinit wbsd_request_dma(struct wbsd_host* host, int dma)
"Falling back on FIFO.\n", dma);
}
static void __devexit wbsd_release_dma(struct wbsd_host* host)
static void __devexit wbsd_release_dma(struct wbsd_host *host)
{
if (host->dma_addr)
dma_unmap_single(host->mmc->dev, host->dma_addr, WBSD_DMA_SIZE,
DMA_BIDIRECTIONAL);
if (host->dma_addr) {
dma_unmap_single(host->mmc->dev, host->dma_addr,
WBSD_DMA_SIZE, DMA_BIDIRECTIONAL);
}
kfree(host->dma_buffer);
if (host->dma >= 0)
free_dma(host->dma);
......@@ -1612,7 +1555,7 @@ static void __devexit wbsd_release_dma(struct wbsd_host* host)
* Allocate/free IRQ.
*/
static int __devinit wbsd_request_irq(struct wbsd_host* host, int irq)
static int __devinit wbsd_request_irq(struct wbsd_host *host, int irq)
{
int ret;
......@@ -1629,17 +1572,23 @@ static int __devinit wbsd_request_irq(struct wbsd_host* host, int irq)
/*
* Set up tasklets.
*/
tasklet_init(&host->card_tasklet, wbsd_tasklet_card, (unsigned long)host);
tasklet_init(&host->fifo_tasklet, wbsd_tasklet_fifo, (unsigned long)host);
tasklet_init(&host->crc_tasklet, wbsd_tasklet_crc, (unsigned long)host);
tasklet_init(&host->timeout_tasklet, wbsd_tasklet_timeout, (unsigned long)host);
tasklet_init(&host->finish_tasklet, wbsd_tasklet_finish, (unsigned long)host);
tasklet_init(&host->block_tasklet, wbsd_tasklet_block, (unsigned long)host);
tasklet_init(&host->card_tasklet, wbsd_tasklet_card,
(unsigned long)host);
tasklet_init(&host->fifo_tasklet, wbsd_tasklet_fifo,
(unsigned long)host);
tasklet_init(&host->crc_tasklet, wbsd_tasklet_crc,
(unsigned long)host);
tasklet_init(&host->timeout_tasklet, wbsd_tasklet_timeout,
(unsigned long)host);
tasklet_init(&host->finish_tasklet, wbsd_tasklet_finish,
(unsigned long)host);
tasklet_init(&host->block_tasklet, wbsd_tasklet_block,
(unsigned long)host);
return 0;
}
static void __devexit wbsd_release_irq(struct wbsd_host* host)
static void __devexit wbsd_release_irq(struct wbsd_host *host)
{
if (!host->irq)
return;
......@@ -1660,7 +1609,7 @@ static void __devexit wbsd_release_irq(struct wbsd_host* host)
* Allocate all resources for the host.
*/
static int __devinit wbsd_request_resources(struct wbsd_host* host,
static int __devinit wbsd_request_resources(struct wbsd_host *host,
int base, int irq, int dma)
{
int ret;
......@@ -1691,7 +1640,7 @@ static int __devinit wbsd_request_resources(struct wbsd_host* host,
* Release all resources for the host.
*/
static void __devexit wbsd_release_resources(struct wbsd_host* host)
static void __devexit wbsd_release_resources(struct wbsd_host *host)
{
wbsd_release_dma(host);
wbsd_release_irq(host);
......@@ -1702,7 +1651,7 @@ static void __devexit wbsd_release_resources(struct wbsd_host* host)
* Configure the resources the chip should use.
*/
static void wbsd_chip_config(struct wbsd_host* host)
static void wbsd_chip_config(struct wbsd_host *host)
{
wbsd_unlock_config(host);
......@@ -1746,7 +1695,7 @@ static void wbsd_chip_config(struct wbsd_host* host)
* Check that configured resources are correct.
*/
static int wbsd_chip_validate(struct wbsd_host* host)
static int wbsd_chip_validate(struct wbsd_host *host)
{
int base, irq, dma;
......@@ -1786,7 +1735,7 @@ static int wbsd_chip_validate(struct wbsd_host* host)
* Powers down the SD function
*/
static void wbsd_chip_poweroff(struct wbsd_host* host)
static void wbsd_chip_poweroff(struct wbsd_host *host)
{
wbsd_unlock_config(host);
......@@ -1802,11 +1751,11 @@ static void wbsd_chip_poweroff(struct wbsd_host* host)
* *
\*****************************************************************************/
static int __devinit wbsd_init(struct device* dev, int base, int irq, int dma,
static int __devinit wbsd_init(struct device *dev, int base, int irq, int dma,
int pnp)
{
struct wbsd_host* host = NULL;
struct mmc_host* mmc = NULL;
struct wbsd_host *host = NULL;
struct mmc_host *mmc = NULL;
int ret;
ret = wbsd_alloc_mmc(dev);
......@@ -1820,16 +1769,12 @@ static int __devinit wbsd_init(struct device* dev, int base, int irq, int dma,
* Scan for hardware.
*/
ret = wbsd_scan(host);
if (ret)
{
if (pnp && (ret == -ENODEV))
{
if (ret) {
if (pnp && (ret == -ENODEV)) {
printk(KERN_WARNING DRIVER_NAME
": Unable to confirm device presence. You may "
"experience lock-ups.\n");
}
else
{
} else {
wbsd_free_mmc(dev);
return ret;
}
......@@ -1839,8 +1784,7 @@ static int __devinit wbsd_init(struct device* dev, int base, int irq, int dma,
* Request resources.
*/
ret = wbsd_request_resources(host, io, irq, dma);
if (ret)
{
if (ret) {
wbsd_release_resources(host);
wbsd_free_mmc(dev);
return ret;
......@@ -1849,18 +1793,15 @@ static int __devinit wbsd_init(struct device* dev, int base, int irq, int dma,
/*
* See if chip needs to be configured.
*/
if (pnp)
{
if ((host->config != 0) && !wbsd_chip_validate(host))
{
if (pnp) {
if ((host->config != 0) && !wbsd_chip_validate(host)) {
printk(KERN_WARNING DRIVER_NAME
": PnP active but chip not configured! "
"You probably have a buggy BIOS. "
"Configuring chip manually.\n");
wbsd_chip_config(host);
}
}
else
} else
wbsd_chip_config(host);
/*
......@@ -1868,8 +1809,7 @@ static int __devinit wbsd_init(struct device* dev, int base, int irq, int dma,
* Not tested.
*/
#ifdef CONFIG_PM
if (host->config)
{
if (host->config) {
wbsd_unlock_config(host);
wbsd_write_config(host, WBSD_CONF_PME, 0xA0);
wbsd_lock_config(host);
......@@ -1902,10 +1842,10 @@ static int __devinit wbsd_init(struct device* dev, int base, int irq, int dma,
return 0;
}
static void __devexit wbsd_shutdown(struct device* dev, int pnp)
static void __devexit wbsd_shutdown(struct device *dev, int pnp)
{
struct mmc_host* mmc = dev_get_drvdata(dev);
struct wbsd_host* host;
struct mmc_host *mmc = dev_get_drvdata(dev);
struct wbsd_host *host;
if (!mmc)
return;
......@@ -1929,12 +1869,12 @@ static void __devexit wbsd_shutdown(struct device* dev, int pnp)
* Non-PnP
*/
static int __devinit wbsd_probe(struct platform_device* dev)
static int __devinit wbsd_probe(struct platform_device *dev)
{
return wbsd_init(&dev->dev, io, irq, dma, 0);
}
static int __devexit wbsd_remove(struct platform_device* dev)
static int __devexit wbsd_remove(struct platform_device *dev)
{
wbsd_shutdown(&dev->dev, 0);
......@@ -1948,7 +1888,7 @@ static int __devexit wbsd_remove(struct platform_device* dev)
#ifdef CONFIG_PNP
static int __devinit
wbsd_pnp_probe(struct pnp_dev * pnpdev, const struct pnp_device_id *dev_id)
wbsd_pnp_probe(struct pnp_dev *pnpdev, const struct pnp_device_id *dev_id)
{
int io, irq, dma;
......@@ -1967,7 +1907,7 @@ wbsd_pnp_probe(struct pnp_dev * pnpdev, const struct pnp_device_id *dev_id)
return wbsd_init(&pnpdev->dev, io, irq, dma, 1);
}
static void __devexit wbsd_pnp_remove(struct pnp_dev * dev)
static void __devexit wbsd_pnp_remove(struct pnp_dev *dev)
{
wbsd_shutdown(&dev->dev, 1);
}
......@@ -1980,37 +1920,54 @@ static void __devexit wbsd_pnp_remove(struct pnp_dev * dev)
#ifdef CONFIG_PM
static int wbsd_suspend(struct platform_device *dev, pm_message_t state)
static int wbsd_suspend(struct wbsd_host *host, pm_message_t state)
{
BUG_ON(host == NULL);
return mmc_suspend_host(host->mmc, state);
}
static int wbsd_resume(struct wbsd_host *host)
{
BUG_ON(host == NULL);
wbsd_init_device(host);
return mmc_resume_host(host->mmc);
}
static int wbsd_platform_suspend(struct platform_device *dev,
pm_message_t state)
{
struct mmc_host *mmc = platform_get_drvdata(dev);
struct wbsd_host *host;
int ret;
if (!mmc)
if (mmc == NULL)
return 0;
DBG("Suspending...\n");
ret = mmc_suspend_host(mmc, state);
if (!ret)
return ret;
DBGF("Suspending...\n");
host = mmc_priv(mmc);
ret = wbsd_suspend(host, state);
if (ret)
return ret;
wbsd_chip_poweroff(host);
return 0;
}
static int wbsd_resume(struct platform_device *dev)
static int wbsd_platform_resume(struct platform_device *dev)
{
struct mmc_host *mmc = platform_get_drvdata(dev);
struct wbsd_host *host;
if (!mmc)
if (mmc == NULL)
return 0;
DBG("Resuming...\n");
DBGF("Resuming...\n");
host = mmc_priv(mmc);
......@@ -2021,15 +1978,68 @@ static int wbsd_resume(struct platform_device *dev)
*/
mdelay(5);
wbsd_init_device(host);
return wbsd_resume(host);
}
#ifdef CONFIG_PNP
static int wbsd_pnp_suspend(struct pnp_dev *pnp_dev, pm_message_t state)
{
struct mmc_host *mmc = dev_get_drvdata(&pnp_dev->dev);
struct wbsd_host *host;
if (mmc == NULL)
return 0;
DBGF("Suspending...\n");
host = mmc_priv(mmc);
return wbsd_suspend(host, state);
}
static int wbsd_pnp_resume(struct pnp_dev *pnp_dev)
{
struct mmc_host *mmc = dev_get_drvdata(&pnp_dev->dev);
struct wbsd_host *host;
if (mmc == NULL)
return 0;
DBGF("Resuming...\n");
return mmc_resume_host(mmc);
host = mmc_priv(mmc);
/*
* See if chip needs to be configured.
*/
if (host->config != 0) {
if (!wbsd_chip_validate(host)) {
printk(KERN_WARNING DRIVER_NAME
": PnP active but chip not configured! "
"You probably have a buggy BIOS. "
"Configuring chip manually.\n");
wbsd_chip_config(host);
}
}
/*
* Allow device to initialise itself properly.
*/
mdelay(5);
return wbsd_resume(host);
}
#endif /* CONFIG_PNP */
#else /* CONFIG_PM */
#define wbsd_suspend NULL
#define wbsd_resume NULL
#define wbsd_platform_suspend NULL
#define wbsd_platform_resume NULL
#define wbsd_pnp_suspend NULL
#define wbsd_pnp_resume NULL
#endif /* CONFIG_PM */
......@@ -2039,8 +2049,8 @@ static struct platform_driver wbsd_driver = {
.probe = wbsd_probe,
.remove = __devexit_p(wbsd_remove),
.suspend = wbsd_suspend,
.resume = wbsd_resume,
.suspend = wbsd_platform_suspend,
.resume = wbsd_platform_resume,
.driver = {
.name = DRIVER_NAME,
},
......@@ -2053,6 +2063,9 @@ static struct pnp_driver wbsd_pnp_driver = {
.id_table = pnp_dev_table,
.probe = wbsd_pnp_probe,
.remove = __devexit_p(wbsd_pnp_remove),
.suspend = wbsd_pnp_suspend,
.resume = wbsd_pnp_resume,
};
#endif /* CONFIG_PNP */
......@@ -2072,31 +2085,26 @@ static int __init wbsd_drv_init(void)
#ifdef CONFIG_PNP
if (!nopnp)
{
if (!nopnp) {
result = pnp_register_driver(&wbsd_pnp_driver);
if (result < 0)
return result;
}
#endif /* CONFIG_PNP */
if (nopnp)
{
if (nopnp) {
result = platform_driver_register(&wbsd_driver);
if (result < 0)
return result;
wbsd_device = platform_device_alloc(DRIVER_NAME, -1);
if (!wbsd_device)
{
if (!wbsd_device) {
platform_driver_unregister(&wbsd_driver);
return -ENOMEM;
}
result = platform_device_add(wbsd_device);
if (result)
{
if (result) {
platform_device_put(wbsd_device);
platform_driver_unregister(&wbsd_driver);
return result;
......@@ -2115,8 +2123,7 @@ static void __exit wbsd_drv_exit(void)
#endif /* CONFIG_PNP */
if (nopnp)
{
if (nopnp) {
platform_device_unregister(wbsd_device);
platform_driver_unregister(&wbsd_driver);
......
include/linux/mmc/mmc.h
View file @ 8e9c238c
......@@ -27,14 +27,15 @@ struct mmc_command {
#define MMC_RSP_MASK (3 << 0)
#define MMC_RSP_CRC (1 << 3) /* expect valid crc */
#define MMC_RSP_BUSY (1 << 4) /* card may send busy */
#define MMC_RSP_OPCODE (1 << 5) /* response contains opcode */
/*
* These are the response types, and correspond to valid bit
* patterns of the above flags. One additional valid pattern
* is all zeros, which means we don't expect a response.
*/
#define MMC_RSP_R1 (MMC_RSP_SHORT|MMC_RSP_CRC)
#define MMC_RSP_R1B (MMC_RSP_SHORT|MMC_RSP_CRC|MMC_RSP_BUSY)
#define MMC_RSP_R1 (MMC_RSP_SHORT|MMC_RSP_CRC|MMC_RSP_OPCODE)
#define MMC_RSP_R1B (MMC_RSP_SHORT|MMC_RSP_CRC|MMC_RSP_OPCODE|MMC_RSP_BUSY)
#define MMC_RSP_R2 (MMC_RSP_LONG|MMC_RSP_CRC)
#define MMC_RSP_R3 (MMC_RSP_SHORT)
#define MMC_RSP_R6 (MMC_RSP_SHORT|MMC_RSP_CRC)
......@@ -64,6 +65,7 @@ struct mmc_data {
#define MMC_DATA_WRITE (1 << 8)
#define MMC_DATA_READ (1 << 9)
#define MMC_DATA_STREAM (1 << 10)
#define MMC_DATA_MULTI (1 << 11)
unsigned int bytes_xfered;
......
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