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Merge git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6

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* git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6:
  avr32: Fix oops on unaligned user access
  avr32: Add support for Mediama RMTx add-on board for ATNGW100
  avr32: Change Atmel ATNGW100 config to add choice of add-on board
  Fix MIMC200 board LCD init
  avr32: Fix clash in ATMEL_USART_ flags
  avr32: remove obsolete hw_interrupt_type
  avr32: Solves problem with inverted MCI detect pin on Merisc board
  atmel-mci: Add support for inverted detect pin
This commit is contained in:
Linus Torvalds
2009-06-13 13:18:32 -07:00
parent 5c55b40b27 bb6e647051
commit 84c48e6f43
13 changed files with 1889 additions and 25 deletions
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12
drivers/mmc/host/atmel-mci.c
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@@ -177,6 +177,7 @@ struct atmel_mci {
* available.
* @wp_pin: GPIO pin used for card write protect sending, or negative
* if not available.
* @detect_is_active_high: The state of the detect pin when it is active.
* @detect_timer: Timer used for debouncing @detect_pin interrupts.
*/
struct atmel_mci_slot {
@@ -196,6 +197,7 @@ struct atmel_mci_slot {
int detect_pin;
int wp_pin;
bool detect_is_active_high;
struct timer_list detect_timer;
};
@@ -924,7 +926,8 @@ static int atmci_get_cd(struct mmc_host *mmc)
struct atmel_mci_slot *slot = mmc_priv(mmc);
if (gpio_is_valid(slot->detect_pin)) {
present = !gpio_get_value(slot->detect_pin);
present = !(gpio_get_value(slot->detect_pin) ^
slot->detect_is_active_high);
dev_dbg(&mmc->class_dev, "card is %spresent\n",
present ? "" : "not ");
}
@@ -1028,7 +1031,8 @@ static void atmci_detect_change(unsigned long data)
return;
enable_irq(gpio_to_irq(slot->detect_pin));
present = !gpio_get_value(slot->detect_pin);
present = !(gpio_get_value(slot->detect_pin) ^
slot->detect_is_active_high);
present_old = test_bit(ATMCI_CARD_PRESENT, &slot->flags);
dev_vdbg(&slot->mmc->class_dev, "detect change: %d (was %d)\n",
@@ -1456,6 +1460,7 @@ static int __init atmci_init_slot(struct atmel_mci *host,
slot->host = host;
slot->detect_pin = slot_data->detect_pin;
slot->wp_pin = slot_data->wp_pin;
slot->detect_is_active_high = slot_data->detect_is_active_high;
slot->sdc_reg = sdc_reg;
mmc->ops = &atmci_ops;
@@ -1477,7 +1482,8 @@ static int __init atmci_init_slot(struct atmel_mci *host,
if (gpio_request(slot->detect_pin, "mmc_detect")) {
dev_dbg(&mmc->class_dev, "no detect pin available\n");
slot->detect_pin = -EBUSY;
} else if (gpio_get_value(slot->detect_pin)) {
} else if (gpio_get_value(slot->detect_pin) ^
slot->detect_is_active_high) {
clear_bit(ATMCI_CARD_PRESENT, &slot->flags);
}
}