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Date: Wed, 30 Jan 2008 16:43:26 +0800
From: Bryan Wu <bryan.wu@...log.com>
To: jgarzik@...ox.com, linux-ide@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, Sonic Zhang <sonic.zhang@...log.com>,
Robin Getz <robin.getz@...log.com>,
Michael Hennerich <michael.hennerich@...log.com>,
Bryan Wu <bryan.wu@...log.com>
Subject: [PATCH 2/4] [libata] Blackfin pata-bf54x driver: Add debug information
From: Sonic Zhang <sonic.zhang@...log.com>
Signed-off-by: Robin Getz <robin.getz@...log.com>
Signed-off-by: Michael Hennerich <michael.hennerich@...log.com>
Signed-off-by: Sonic Zhang <sonic.zhang@...log.com>
Signed-off-by: Bryan Wu <bryan.wu@...log.com>
---
drivers/ata/pata_bf54x.c | 37 +++++++++++++++++++------------------
1 files changed, 19 insertions(+), 18 deletions(-)
diff --git a/drivers/ata/pata_bf54x.c b/drivers/ata/pata_bf54x.c
index ca62bb7..d86970a 100644
--- a/drivers/ata/pata_bf54x.c
+++ b/drivers/ata/pata_bf54x.c
@@ -299,7 +299,7 @@ static void bfin_set_piomode(struct ata_port *ap, struct ata_device *adev)
*/
n6 = num_clocks_min(t6min, fsclk);
if (mode >= 0 && mode <= 4 && n6 >= 1) {
- pr_debug("set piomode: mode=%d, fsclk=%ud\n", mode, fsclk);
+ dev_dbg(adev->ap->dev, "set piomode: mode=%d, fsclk=%ud\n", mode, fsclk);
/* calculate the timing values for register transfers. */
while (mode > 0 && pio_fsclk[mode] > fsclk)
mode--;
@@ -376,7 +376,7 @@ static void bfin_set_dmamode(struct ata_port *ap, struct ata_device *adev)
mode = adev->dma_mode - XFER_UDMA_0;
if (mode >= 0 && mode <= 5) {
- pr_debug("set udmamode: mode=%d\n", mode);
+ dev_dbg(adev->ap->dev, "set udmamode: mode=%d\n", mode);
/* the most restrictive timing value is t6 and tc,
* the DIOW - data hold. If one SCLK pulse is longer
* than this minimum value then register
@@ -433,7 +433,7 @@ static void bfin_set_dmamode(struct ata_port *ap, struct ata_device *adev)
mode = adev->dma_mode - XFER_MW_DMA_0;
if (mode >= 0 && mode <= 2) {
- pr_debug("set mdmamode: mode=%d\n", mode);
+ dev_dbg(adev->ap->dev, "set mdmamode: mode=%d\n", mode);
/* the most restrictive timing value is tf, the DMACK to
* read data released. If one SCLK pulse is longer than
* this maximum value then the MDMA mode
@@ -697,7 +697,7 @@ static void bfin_tf_load(struct ata_port *ap, const struct ata_taskfile *tf)
write_atapi_register(base, ATA_REG_LBAL, tf->hob_lbal);
write_atapi_register(base, ATA_REG_LBAM, tf->hob_lbam);
write_atapi_register(base, ATA_REG_LBAH, tf->hob_lbah);
- pr_debug("hob: feat 0x%X nsect 0x%X, lba 0x%X "
+ dev_dbg(ap->dev, "hob: feat 0x%X nsect 0x%X, lba 0x%X "
"0x%X 0x%X\n",
tf->hob_feature,
tf->hob_nsect,
@@ -711,7 +711,7 @@ static void bfin_tf_load(struct ata_port *ap, const struct ata_taskfile *tf)
write_atapi_register(base, ATA_REG_LBAL, tf->lbal);
write_atapi_register(base, ATA_REG_LBAM, tf->lbam);
write_atapi_register(base, ATA_REG_LBAH, tf->lbah);
- pr_debug("feat 0x%X nsect 0x%X lba 0x%X 0x%X 0x%X\n",
+ dev_dbg(ap->dev, "feat 0x%X nsect 0x%X lba 0x%X 0x%X 0x%X\n",
tf->feature,
tf->nsect,
tf->lbal,
@@ -721,7 +721,7 @@ static void bfin_tf_load(struct ata_port *ap, const struct ata_taskfile *tf)
if (tf->flags & ATA_TFLAG_DEVICE) {
write_atapi_register(base, ATA_REG_DEVICE, tf->device);
- pr_debug("device 0x%X\n", tf->device);
+ dev_dbg(ap->dev, "device 0x%X\n", tf->device);
}
ata_wait_idle(ap);
@@ -782,7 +782,7 @@ static void bfin_exec_command(struct ata_port *ap,
const struct ata_taskfile *tf)
{
void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr;
- pr_debug("ata%u: cmd 0x%X\n", ap->print_id, tf->command);
+ dev_dbg(ap->dev, "ata%u: cmd 0x%X\n", ap->print_id, tf->command);
write_atapi_register(base, ATA_REG_CMD, tf->command);
ata_pause(ap);
@@ -834,7 +834,7 @@ static void bfin_bmdma_setup(struct ata_queued_cmd *qc)
struct scatterlist *sg;
unsigned int si;
- pr_debug("in atapi dma setup\n");
+ dev_dbg(qc->ap->dev, "in atapi dma setup\n");
/* Program the ATA_CTRL register with dir */
if (qc->tf.flags & ATA_TFLAG_WRITE) {
/* fill the ATAPI DMA controller */
@@ -870,7 +870,7 @@ static void bfin_bmdma_start(struct ata_queued_cmd *qc)
struct scatterlist *sg;
unsigned int si;
- pr_debug("in atapi dma start\n");
+ dev_dbg(qc->ap->dev, "in atapi dma start\n");
if (!(ap->udma_mask || ap->mwdma_mask))
return;
@@ -888,7 +888,7 @@ static void bfin_bmdma_start(struct ata_queued_cmd *qc)
sg_dma_address(sg) + sg_dma_len(sg));
}
enable_dma(CH_ATAPI_TX);
- pr_debug("enable udma write\n");
+ dev_dbg(qc->ap->dev, "enable udma write\n");
/* Send ATA DMA write command */
bfin_exec_command(ap, &qc->tf);
@@ -898,7 +898,7 @@ static void bfin_bmdma_start(struct ata_queued_cmd *qc)
| XFER_DIR));
} else {
enable_dma(CH_ATAPI_RX);
- pr_debug("enable udma read\n");
+ dev_dbg(qc->ap->dev, "enable udma read\n");
/* Send ATA DMA read command */
bfin_exec_command(ap, &qc->tf);
@@ -936,7 +936,7 @@ static void bfin_bmdma_stop(struct ata_queued_cmd *qc)
struct scatterlist *sg;
unsigned int si;
- pr_debug("in atapi dma stop\n");
+ dev_dbg(qc->ap->dev, "in atapi dma stop\n");
if (!(ap->udma_mask || ap->mwdma_mask))
return;
@@ -1157,6 +1157,8 @@ static unsigned char bfin_bmdma_status(struct ata_port *ap)
host_stat |= ATA_DMA_ERR;
}
+ dev_dbg(ap->dev, "ATAPI: host_stat=0x%x\n", host_stat);
+
return host_stat;
}
@@ -1213,8 +1215,7 @@ static void bfin_irq_clear(struct ata_port *ap)
{
void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr;
- pr_debug("in atapi irq clear\n");
-
+ dev_dbg(ap->dev, "in atapi irq clear\n");
ATAPI_SET_INT_STATUS(base, ATAPI_GET_INT_STATUS(base)|ATAPI_DEV_INT
| MULTI_DONE_INT | UDMAIN_DONE_INT | UDMAOUT_DONE_INT
| MULTI_TERM_INT | UDMAIN_TERM_INT | UDMAOUT_TERM_INT);
@@ -1232,7 +1233,7 @@ static unsigned char bfin_irq_on(struct ata_port *ap)
void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr;
u8 tmp;
- pr_debug("in atapi irq on\n");
+ dev_dbg(ap->dev, "in atapi irq on\n");
ap->ctl &= ~ATA_NIEN;
ap->last_ctl = ap->ctl;
@@ -1255,7 +1256,7 @@ static void bfin_bmdma_freeze(struct ata_port *ap)
{
void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr;
- pr_debug("in atapi dma freeze\n");
+ dev_dbg(ap->dev, "in atapi dma freeze\n");
ap->ctl |= ATA_NIEN;
ap->last_ctl = ap->ctl;
@@ -1328,7 +1329,7 @@ static void bfin_error_handler(struct ata_port *ap)
static void bfin_port_stop(struct ata_port *ap)
{
- pr_debug("in atapi port stop\n");
+ dev_dbg(ap->dev, "in atapi port stop\n");
if (ap->udma_mask != 0 || ap->mwdma_mask != 0) {
free_dma(CH_ATAPI_RX);
free_dma(CH_ATAPI_TX);
@@ -1337,7 +1338,7 @@ static void bfin_port_stop(struct ata_port *ap)
static int bfin_port_start(struct ata_port *ap)
{
- pr_debug("in atapi port start\n");
+ dev_dbg(ap->dev, "in atapi port start\n");
if (!(ap->udma_mask || ap->mwdma_mask))
return 0;
--
1.5.3.4
--
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