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path: root/drivers/mmc/host/wbsd.c
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Diffstat (limited to 'drivers/mmc/host/wbsd.c')
-rw-r--r--drivers/mmc/host/wbsd.c68
1 files changed, 27 insertions, 41 deletions
diff --git a/drivers/mmc/host/wbsd.c b/drivers/mmc/host/wbsd.c
index 867ca6a..80db11c 100644
--- a/drivers/mmc/host/wbsd.c
+++ b/drivers/mmc/host/wbsd.c
@@ -1,5 +1,5 @@
/*
- * linux/drivers/mmc/wbsd.c - Winbond W83L51xD SD/MMC driver
+ * linux/drivers/mmc/host/wbsd.c - Winbond W83L51xD SD/MMC driver
*
* Copyright (C) 2004-2007 Pierre Ossman, All Rights Reserved.
*
@@ -207,8 +207,6 @@ 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) {
/*
* Release ISA DMA controller.
@@ -319,7 +317,7 @@ static inline void wbsd_get_short_reply(struct wbsd_host *host,
* Correct response type?
*/
if (wbsd_read_index(host, WBSD_IDX_RSPLEN) != WBSD_RSP_SHORT) {
- cmd->error = MMC_ERR_INVALID;
+ cmd->error = -EILSEQ;
return;
}
@@ -339,7 +337,7 @@ static inline void wbsd_get_long_reply(struct wbsd_host *host,
* Correct response type?
*/
if (wbsd_read_index(host, WBSD_IDX_RSPLEN) != WBSD_RSP_LONG) {
- cmd->error = MMC_ERR_INVALID;
+ cmd->error = -EILSEQ;
return;
}
@@ -360,8 +358,6 @@ static void wbsd_send_command(struct wbsd_host *host, struct mmc_command *cmd)
int i;
u8 status, isr;
- DBGF("Sending cmd (%x)\n", cmd->opcode);
-
/*
* Clear accumulated ISR. The interrupt routine
* will fill this one with events that occur during
@@ -376,7 +372,7 @@ static void wbsd_send_command(struct wbsd_host *host, struct mmc_command *cmd)
for (i = 3; i >= 0; i--)
outb((cmd->arg >> (i * 8)) & 0xff, host->base + WBSD_CMDR);
- cmd->error = MMC_ERR_NONE;
+ cmd->error = 0;
/*
* Wait for the request to complete.
@@ -396,13 +392,13 @@ static void wbsd_send_command(struct wbsd_host *host, struct mmc_command *cmd)
/* Card removed? */
if (isr & WBSD_INT_CARD)
- cmd->error = MMC_ERR_TIMEOUT;
+ cmd->error = -ENOMEDIUM;
/* Timeout? */
else if (isr & WBSD_INT_TIMEOUT)
- cmd->error = MMC_ERR_TIMEOUT;
+ cmd->error = -ETIMEDOUT;
/* CRC? */
else if ((cmd->flags & MMC_RSP_CRC) && (isr & WBSD_INT_CRC))
- cmd->error = MMC_ERR_BADCRC;
+ cmd->error = -EILSEQ;
/* All ok */
else {
if (cmd->flags & MMC_RSP_136)
@@ -411,8 +407,6 @@ static void wbsd_send_command(struct wbsd_host *host, struct mmc_command *cmd)
wbsd_get_short_reply(host, cmd);
}
}
-
- DBGF("Sent cmd (%x), res %d\n", cmd->opcode, cmd->error);
}
/*
@@ -550,11 +544,6 @@ static void wbsd_prepare_data(struct wbsd_host *host, struct mmc_data *data)
unsigned long dmaflags;
unsigned int size;
- DBGF("blksz %04x blks %04x flags %08x\n",
- data->blksz, data->blocks, data->flags);
- DBGF("tsac %d ms nsac %d clk\n",
- data->timeout_ns / 1000000, data->timeout_clks);
-
/*
* Calculate size.
*/
@@ -596,7 +585,7 @@ static void wbsd_prepare_data(struct wbsd_host *host, struct mmc_data *data)
((blksize >> 4) & 0xF0) | WBSD_DATA_WIDTH);
wbsd_write_index(host, WBSD_IDX_PBSLSB, blksize & 0xFF);
} else {
- data->error = MMC_ERR_INVALID;
+ data->error = -EINVAL;
return;
}
@@ -618,7 +607,7 @@ static void wbsd_prepare_data(struct wbsd_host *host, struct mmc_data *data)
*/
BUG_ON(size > 0x10000);
if (size > 0x10000) {
- data->error = MMC_ERR_INVALID;
+ data->error = -EINVAL;
return;
}
@@ -680,7 +669,7 @@ static void wbsd_prepare_data(struct wbsd_host *host, struct mmc_data *data)
}
}
- data->error = MMC_ERR_NONE;
+ data->error = 0;
}
static void wbsd_finish_data(struct wbsd_host *host, struct mmc_data *data)
@@ -735,8 +724,8 @@ static void wbsd_finish_data(struct wbsd_host *host, struct mmc_data *data)
"%d bytes left.\n",
mmc_hostname(host->mmc), count);
- if (data->error == MMC_ERR_NONE)
- data->error = MMC_ERR_FAILED;
+ if (!data->error)
+ data->error = -EIO;
} else {
/*
* Transfer data from DMA buffer to
@@ -746,14 +735,12 @@ static void wbsd_finish_data(struct wbsd_host *host, struct mmc_data *data)
wbsd_dma_to_sg(host, data);
}
- if (data->error != MMC_ERR_NONE) {
+ if (data->error) {
if (data->bytes_xfered)
data->bytes_xfered -= data->blksz;
}
}
- DBGF("Ending data transfer (%d bytes)\n", data->bytes_xfered);
-
wbsd_request_end(host, host->mrq);
}
@@ -780,11 +767,10 @@ static void wbsd_request(struct mmc_host *mmc, struct mmc_request *mrq)
host->mrq = mrq;
/*
- * If there is no card in the slot then
- * timeout immediatly.
+ * Check that there is actually a card in the slot.
*/
if (!(host->flags & WBSD_FCARD_PRESENT)) {
- cmd->error = MMC_ERR_TIMEOUT;
+ cmd->error = -ENOMEDIUM;
goto done;
}
@@ -820,7 +806,7 @@ static void wbsd_request(struct mmc_host *mmc, struct mmc_request *mrq)
"supported by this controller.\n",
mmc_hostname(host->mmc), cmd->opcode);
#endif
- cmd->error = MMC_ERR_INVALID;
+ cmd->error = -EINVAL;
goto done;
};
@@ -832,7 +818,7 @@ static void wbsd_request(struct mmc_host *mmc, struct mmc_request *mrq)
if (cmd->data) {
wbsd_prepare_data(host, cmd->data);
- if (cmd->data->error != MMC_ERR_NONE)
+ if (cmd->data->error)
goto done;
}
@@ -843,7 +829,7 @@ 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) {
/*
* Dirty fix for hardware bug.
*/
@@ -1046,7 +1032,7 @@ static void wbsd_tasklet_card(unsigned long param)
mmc_hostname(host->mmc));
wbsd_reset(host);
- host->mrq->cmd->error = MMC_ERR_FAILED;
+ host->mrq->cmd->error = -ENOMEDIUM;
tasklet_schedule(&host->finish_tasklet);
}
@@ -1110,7 +1096,7 @@ static void wbsd_tasklet_crc(unsigned long param)
DBGF("CRC error\n");
- data->error = MMC_ERR_BADCRC;
+ data->error = -EILSEQ;
tasklet_schedule(&host->finish_tasklet);
@@ -1134,7 +1120,7 @@ static void wbsd_tasklet_timeout(unsigned long param)
DBGF("Timeout\n");
- data->error = MMC_ERR_TIMEOUT;
+ data->error = -ETIMEDOUT;
tasklet_schedule(&host->finish_tasklet);
@@ -1233,7 +1219,7 @@ static int __devinit wbsd_alloc_mmc(struct device *dev)
mmc->f_min = 375000;
mmc->f_max = 24000000;
mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34;
- mmc->caps = MMC_CAP_4_BIT_DATA | MMC_CAP_MULTIWRITE | MMC_CAP_BYTEBLOCK;
+ mmc->caps = MMC_CAP_4_BIT_DATA | MMC_CAP_MULTIWRITE;
spin_lock_init(&host->lock);
@@ -1279,7 +1265,7 @@ static int __devinit wbsd_alloc_mmc(struct device *dev)
return 0;
}
-static void __devexit wbsd_free_mmc(struct device *dev)
+static void wbsd_free_mmc(struct device *dev)
{
struct mmc_host *mmc;
struct wbsd_host *host;
@@ -1371,7 +1357,7 @@ 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 wbsd_release_regions(struct wbsd_host *host)
{
if (host->base)
release_region(host->base, 8);
@@ -1447,7 +1433,7 @@ err:
"Falling back on FIFO.\n", dma);
}
-static void __devexit wbsd_release_dma(struct wbsd_host *host)
+static void wbsd_release_dma(struct wbsd_host *host)
{
if (host->dma_addr) {
dma_unmap_single(mmc_dev(host->mmc), host->dma_addr,
@@ -1497,7 +1483,7 @@ static int __devinit wbsd_request_irq(struct wbsd_host *host, int irq)
return 0;
}
-static void __devexit wbsd_release_irq(struct wbsd_host *host)
+static void wbsd_release_irq(struct wbsd_host *host)
{
if (!host->irq)
return;
@@ -1548,7 +1534,7 @@ 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 wbsd_release_resources(struct wbsd_host *host)
{
wbsd_release_dma(host);
wbsd_release_irq(host);
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