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authorPierre Ossman <drzeus@drzeus.cx>2007-04-13 23:25:59 +0200
committerPierre Ossman <drzeus@drzeus.cx>2007-05-01 13:04:12 +0200
commit5721dbf217b073b40e31936781379ab2d17ea2ae (patch)
tree8bfdd4973d31bf80614adec6fa73fe6d26000886
parent976d9276c826d6b35e4a2478fd4978dbd63bdd6f (diff)
wbsd: remove block crc test
Block completion interrupts occur faster than we can process them, so just ignore them competely. Commit also fixes up some incorrect register defines. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
-rw-r--r--drivers/mmc/wbsd.c32
-rw-r--r--drivers/mmc/wbsd.h5
2 files changed, 3 insertions, 34 deletions
diff --git a/drivers/mmc/wbsd.c b/drivers/mmc/wbsd.c
index 7a3e32ec46b..673c64661d3 100644
--- a/drivers/mmc/wbsd.c
+++ b/drivers/mmc/wbsd.c
@@ -178,9 +178,8 @@ static void wbsd_init_device(struct wbsd_host *host)
ier = 0;
ier |= WBSD_EINT_CARD;
ier |= WBSD_EINT_FIFO_THRE;
- ier |= WBSD_EINT_CCRC;
- ier |= WBSD_EINT_TIMEOUT;
ier |= WBSD_EINT_CRC;
+ ier |= WBSD_EINT_TIMEOUT;
ier |= WBSD_EINT_TC;
outb(ier, host->base + WBSD_EIR);
@@ -1166,30 +1165,6 @@ end:
spin_unlock(&host->lock);
}
-static void wbsd_tasklet_block(unsigned long param)
-{
- 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) {
- data = wbsd_get_data(host);
- if (!data)
- goto end;
-
- DBGF("CRC error\n");
-
- data->error = MMC_ERR_BADCRC;
-
- tasklet_schedule(&host->finish_tasklet);
- }
-
-end:
- spin_unlock(&host->lock);
-}
-
/*
* Interrupt handling
*/
@@ -1220,8 +1195,6 @@ static irqreturn_t wbsd_irq(int irq, void *dev_id)
tasklet_hi_schedule(&host->crc_tasklet);
if (isr & WBSD_INT_TIMEOUT)
tasklet_hi_schedule(&host->timeout_tasklet);
- if (isr & WBSD_INT_BUSYEND)
- tasklet_hi_schedule(&host->block_tasklet);
if (isr & WBSD_INT_TC)
tasklet_schedule(&host->finish_tasklet);
@@ -1522,8 +1495,6 @@ static int __devinit wbsd_request_irq(struct wbsd_host *host, int irq)
(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;
}
@@ -1542,7 +1513,6 @@ static void __devexit wbsd_release_irq(struct wbsd_host *host)
tasklet_kill(&host->crc_tasklet);
tasklet_kill(&host->timeout_tasklet);
tasklet_kill(&host->finish_tasklet);
- tasklet_kill(&host->block_tasklet);
}
/*
diff --git a/drivers/mmc/wbsd.h b/drivers/mmc/wbsd.h
index 6fb4fa42321..873bda1e59b 100644
--- a/drivers/mmc/wbsd.h
+++ b/drivers/mmc/wbsd.h
@@ -46,10 +46,10 @@
#define WBSD_EINT_CARD 0x40
#define WBSD_EINT_FIFO_THRE 0x20
-#define WBSD_EINT_CCRC 0x10
+#define WBSD_EINT_CRC 0x10
#define WBSD_EINT_TIMEOUT 0x08
#define WBSD_EINT_PROGEND 0x04
-#define WBSD_EINT_CRC 0x02
+#define WBSD_EINT_BUSYEND 0x02
#define WBSD_EINT_TC 0x01
#define WBSD_INT_PENDING 0x80
@@ -180,7 +180,6 @@ struct wbsd_host
struct tasklet_struct crc_tasklet;
struct tasklet_struct timeout_tasklet;
struct tasklet_struct finish_tasklet;
- struct tasklet_struct block_tasklet;
struct timer_list ignore_timer; /* Ignore detection timer */
};