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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2006-05-04 18:22:51 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-05-04 18:22:51 +0100
commit920e70c5c603ada05dd480ca0ccc0ae12a5fdc39 (patch)
tree8eb39280a5d5ce881315b9ac774ad41ca9516bc4 /drivers/mmc/mmc.c
parentfe10c6abea8bc83291a13e0580b3e4c355710b09 (diff)
downloadop-kernel-dev-920e70c5c603ada05dd480ca0ccc0ae12a5fdc39.zip
op-kernel-dev-920e70c5c603ada05dd480ca0ccc0ae12a5fdc39.tar.gz
[MMC] Move set_ios debugging into mmc.c
Rather than having every driver duplicate the set_ios debugging, provide a single version in mmc.c which can be expanded as we add additional functionality. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/mmc/mmc.c')
-rw-r--r--drivers/mmc/mmc.c51
1 files changed, 34 insertions, 17 deletions
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 91c6b10..1ca2c8b 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -69,10 +69,13 @@ static const unsigned int tacc_mant[] = {
void mmc_request_done(struct mmc_host *host, struct mmc_request *mrq)
{
struct mmc_command *cmd = mrq->cmd;
- int err = mrq->cmd->error;
- pr_debug("MMC: req done (%02x): %d: %08x %08x %08x %08x\n",
- cmd->opcode, err, cmd->resp[0], cmd->resp[1],
- cmd->resp[2], cmd->resp[3]);
+ int err = cmd->error;
+
+ pr_debug("%s: req done (CMD%u): %d/%d/%d: %08x %08x %08x %08x\n",
+ mmc_hostname(host), cmd->opcode, err,
+ mrq->data ? mrq->data->error : 0,
+ mrq->stop ? mrq->stop->error : 0,
+ cmd->resp[0], cmd->resp[1], cmd->resp[2], cmd->resp[3]);
if (err && cmd->retries) {
cmd->retries--;
@@ -96,8 +99,9 @@ EXPORT_SYMBOL(mmc_request_done);
void
mmc_start_request(struct mmc_host *host, struct mmc_request *mrq)
{
- pr_debug("MMC: starting cmd %02x arg %08x flags %08x\n",
- mrq->cmd->opcode, mrq->cmd->arg, mrq->cmd->flags);
+ pr_debug("%s: starting CMD%u arg %08x flags %08x\n",
+ mmc_hostname(host), mrq->cmd->opcode,
+ mrq->cmd->arg, mrq->cmd->flags);
WARN_ON(host->card_busy == NULL);
@@ -311,6 +315,18 @@ void mmc_release_host(struct mmc_host *host)
EXPORT_SYMBOL(mmc_release_host);
+static inline void mmc_set_ios(struct mmc_host *host)
+{
+ struct mmc_ios *ios = &host->ios;
+
+ pr_debug("%s: clock %uHz busmode %u powermode %u cs %u Vdd %u width %u\n",
+ mmc_hostname(host), ios->clock, ios->bus_mode,
+ ios->power_mode, ios->chip_select, ios->vdd,
+ ios->bus_width);
+
+ host->ops->set_ios(host, ios);
+}
+
static int mmc_select_card(struct mmc_host *host, struct mmc_card *card)
{
int err;
@@ -363,7 +379,7 @@ static int mmc_select_card(struct mmc_host *host, struct mmc_card *card)
}
}
- host->ops->set_ios(host, &host->ios);
+ mmc_set_ios(host);
return MMC_ERR_NONE;
}
@@ -414,7 +430,7 @@ static u32 mmc_select_voltage(struct mmc_host *host, u32 ocr)
ocr = 3 << bit;
host->ios.vdd = bit;
- host->ops->set_ios(host, &host->ios);
+ mmc_set_ios(host);
} else {
ocr = 0;
}
@@ -667,7 +683,7 @@ static void mmc_idle_cards(struct mmc_host *host)
struct mmc_command cmd;
host->ios.chip_select = MMC_CS_HIGH;
- host->ops->set_ios(host, &host->ios);
+ mmc_set_ios(host);
mmc_delay(1);
@@ -680,7 +696,7 @@ static void mmc_idle_cards(struct mmc_host *host)
mmc_delay(1);
host->ios.chip_select = MMC_CS_DONTCARE;
- host->ops->set_ios(host, &host->ios);
+ mmc_set_ios(host);
mmc_delay(1);
}
@@ -705,13 +721,13 @@ static void mmc_power_up(struct mmc_host *host)
host->ios.chip_select = MMC_CS_DONTCARE;
host->ios.power_mode = MMC_POWER_UP;
host->ios.bus_width = MMC_BUS_WIDTH_1;
- host->ops->set_ios(host, &host->ios);
+ mmc_set_ios(host);
mmc_delay(1);
host->ios.clock = host->f_min;
host->ios.power_mode = MMC_POWER_ON;
- host->ops->set_ios(host, &host->ios);
+ mmc_set_ios(host);
mmc_delay(2);
}
@@ -724,7 +740,7 @@ static void mmc_power_off(struct mmc_host *host)
host->ios.chip_select = MMC_CS_DONTCARE;
host->ios.power_mode = MMC_POWER_OFF;
host->ios.bus_width = MMC_BUS_WIDTH_1;
- host->ops->set_ios(host, &host->ios);
+ mmc_set_ios(host);
}
static int mmc_send_op_cond(struct mmc_host *host, u32 ocr, u32 *rocr)
@@ -972,7 +988,8 @@ static unsigned int mmc_calculate_clock(struct mmc_host *host)
if (!mmc_card_dead(card) && max_dtr > card->csd.max_dtr)
max_dtr = card->csd.max_dtr;
- pr_debug("MMC: selected %d.%03dMHz transfer rate\n",
+ pr_debug("%s: selected %d.%03dMHz transfer rate\n",
+ mmc_hostname(host),
max_dtr / 1000000, (max_dtr / 1000) % 1000);
return max_dtr;
@@ -1047,7 +1064,7 @@ static void mmc_setup(struct mmc_host *host)
} else {
host->ios.bus_mode = MMC_BUSMODE_OPENDRAIN;
host->ios.clock = host->f_min;
- host->ops->set_ios(host, &host->ios);
+ mmc_set_ios(host);
/*
* We should remember the OCR mask from the existing
@@ -1083,7 +1100,7 @@ static void mmc_setup(struct mmc_host *host)
* Ok, now switch to push-pull mode.
*/
host->ios.bus_mode = MMC_BUSMODE_PUSHPULL;
- host->ops->set_ios(host, &host->ios);
+ mmc_set_ios(host);
mmc_read_csds(host);
@@ -1129,7 +1146,7 @@ static void mmc_rescan(void *data)
* attached cards and the host support.
*/
host->ios.clock = mmc_calculate_clock(host);
- host->ops->set_ios(host, &host->ios);
+ mmc_set_ios(host);
}
mmc_release_host(host);
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