UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

mmc: cb710: implement get_cd() callback 

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Michał Mirosław 2010-03-21 07:39:52 +01:00 committed by Chris Ball
parent 19d614a45a
commit 7fcc4ce37f
1 changed files with 13 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
drivers/mmc/host/cb710-mmc.c
View File

@ -100,12 +100,6 @@ static void cb710_mmc_reset_events(struct cb710_slot *slot)
cb710_write_port_8(slot, CB710_MMC_STATUS2_PORT, 0xFF);
}
static int cb710_mmc_is_card_inserted(struct cb710_slot *slot)
{
return cb710_read_port_8(slot, CB710_MMC_STATUS3_PORT)
& CB710_MMC_S3_CARD_DETECTED;
}
static void cb710_mmc_enable_4bit_data(struct cb710_slot *slot, int enable)
{
dev_dbg(cb710_slot_dev(slot), "configuring %d-data-line%s mode\n",
@ -499,13 +493,9 @@ static void cb710_mmc_request(struct mmc_host *mmc, struct mmc_request *mrq)
reader->mrq = mrq;
cb710_mmc_enable_irq(slot, CB710_MMC_IE_TEST_MASK, 0);
if (cb710_mmc_is_card_inserted(slot)) {
if (!cb710_mmc_command(mmc, mrq->cmd) && mrq->stop)
cb710_mmc_command(mmc, mrq->stop);
mdelay(1);
} else {
mrq->cmd->error = -ENOMEDIUM;
}
if (!cb710_mmc_command(mmc, mrq->cmd) && mrq->stop)
cb710_mmc_command(mmc, mrq->stop);
mdelay(1);
tasklet_schedule(&reader->finish_req_tasklet);
}
@ -579,12 +569,6 @@ static void cb710_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
cb710_mmc_select_clock_divider(mmc, ios->clock);
if (!cb710_mmc_is_card_inserted(slot)) {
dev_dbg(cb710_slot_dev(slot),
"no card inserted - ignoring bus powerup request\n");
ios->power_mode = MMC_POWER_OFF;
}
if (ios->power_mode != reader->last_power_mode)
switch (ios->power_mode) {
case MMC_POWER_ON:
@ -624,6 +608,14 @@ static int cb710_mmc_get_ro(struct mmc_host *mmc)
& CB710_MMC_S3_WRITE_PROTECTED;
}
static int cb710_mmc_get_cd(struct mmc_host *mmc)
{
struct cb710_slot *slot = cb710_mmc_to_slot(mmc);
return cb710_read_port_8(slot, CB710_MMC_STATUS3_PORT)
& CB710_MMC_S3_CARD_DETECTED;
}
static int cb710_mmc_irq_handler(struct cb710_slot *slot)
{
struct mmc_host *mmc = cb710_slot_to_mmc(slot);
@ -669,7 +661,8 @@ static void cb710_mmc_finish_request_tasklet(unsigned long data)
static const struct mmc_host_ops cb710_mmc_host = {
.request = cb710_mmc_request,
.set_ios = cb710_mmc_set_ios,
.get_ro = cb710_mmc_get_ro
.get_ro = cb710_mmc_get_ro,
.get_cd = cb710_mmc_get_cd,
};
#ifdef CONFIG_PM