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-rw-r--r--arch/mips/alchemy/devboards/db1200.c64
-rw-r--r--arch/mips/alchemy/devboards/db1300.c31
-rw-r--r--arch/mips/alchemy/devboards/db1xxx.c2
3 files changed, 55 insertions, 42 deletions
diff --git a/arch/mips/alchemy/devboards/db1200.c b/arch/mips/alchemy/devboards/db1200.c
index 83831002c832..da7663770425 100644
--- a/arch/mips/alchemy/devboards/db1200.c
+++ b/arch/mips/alchemy/devboards/db1200.c
@@ -344,28 +344,32 @@ static struct platform_device db1200_ide_dev = {
/* SD carddetects: they're supposed to be edge-triggered, but ack
* doesn't seem to work (CPLD Rev 2). Instead, the screaming one
- * is disabled and its counterpart enabled. The 500ms timeout is
- * because the carddetect isn't debounced in hardware.
+ * is disabled and its counterpart enabled. The 200ms timeout is
+ * because the carddetect usually triggers twice, after debounce.
*/
static irqreturn_t db1200_mmc_cd(int irq, void *ptr)
{
- void(*mmc_cd)(struct mmc_host *, unsigned long);
+ disable_irq_nosync(irq);
+ return IRQ_WAKE_THREAD;
+}
- if (irq == DB1200_SD0_INSERT_INT) {
- disable_irq_nosync(DB1200_SD0_INSERT_INT);
- enable_irq(DB1200_SD0_EJECT_INT);
- } else {
- disable_irq_nosync(DB1200_SD0_EJECT_INT);
- enable_irq(DB1200_SD0_INSERT_INT);
- }
+static irqreturn_t db1200_mmc_cdfn(int irq, void *ptr)
+{
+ void (*mmc_cd)(struct mmc_host *, unsigned long);
/* link against CONFIG_MMC=m */
mmc_cd = symbol_get(mmc_detect_change);
if (mmc_cd) {
- mmc_cd(ptr, msecs_to_jiffies(500));
+ mmc_cd(ptr, msecs_to_jiffies(200));
symbol_put(mmc_detect_change);
}
+ msleep(100); /* debounce */
+ if (irq == DB1200_SD0_INSERT_INT)
+ enable_irq(DB1200_SD0_EJECT_INT);
+ else
+ enable_irq(DB1200_SD0_INSERT_INT);
+
return IRQ_HANDLED;
}
@@ -374,13 +378,13 @@ static int db1200_mmc_cd_setup(void *mmc_host, int en)
int ret;
if (en) {
- ret = request_irq(DB1200_SD0_INSERT_INT, db1200_mmc_cd,
- 0, "sd_insert", mmc_host);
+ ret = request_threaded_irq(DB1200_SD0_INSERT_INT, db1200_mmc_cd,
+ db1200_mmc_cdfn, 0, "sd_insert", mmc_host);
if (ret)
goto out;
- ret = request_irq(DB1200_SD0_EJECT_INT, db1200_mmc_cd,
- 0, "sd_eject", mmc_host);
+ ret = request_threaded_irq(DB1200_SD0_EJECT_INT, db1200_mmc_cd,
+ db1200_mmc_cdfn, 0, "sd_eject", mmc_host);
if (ret) {
free_irq(DB1200_SD0_INSERT_INT, mmc_host);
goto out;
@@ -436,23 +440,27 @@ static struct led_classdev db1200_mmc_led = {
static irqreturn_t pb1200_mmc1_cd(int irq, void *ptr)
{
- void(*mmc_cd)(struct mmc_host *, unsigned long);
+ disable_irq_nosync(irq);
+ return IRQ_WAKE_THREAD;
+}
- if (irq == PB1200_SD1_INSERT_INT) {
- disable_irq_nosync(PB1200_SD1_INSERT_INT);
- enable_irq(PB1200_SD1_EJECT_INT);
- } else {
- disable_irq_nosync(PB1200_SD1_EJECT_INT);
- enable_irq(PB1200_SD1_INSERT_INT);
- }
+static irqreturn_t pb1200_mmc1_cdfn(int irq, void *ptr)
+{
+ void (*mmc_cd)(struct mmc_host *, unsigned long);
/* link against CONFIG_MMC=m */
mmc_cd = symbol_get(mmc_detect_change);
if (mmc_cd) {
- mmc_cd(ptr, msecs_to_jiffies(500));
+ mmc_cd(ptr, msecs_to_jiffies(200));
symbol_put(mmc_detect_change);
}
+ msleep(100); /* debounce */
+ if (irq == PB1200_SD1_INSERT_INT)
+ enable_irq(PB1200_SD1_EJECT_INT);
+ else
+ enable_irq(PB1200_SD1_INSERT_INT);
+
return IRQ_HANDLED;
}
@@ -461,13 +469,13 @@ static int pb1200_mmc1_cd_setup(void *mmc_host, int en)
int ret;
if (en) {
- ret = request_irq(PB1200_SD1_INSERT_INT, pb1200_mmc1_cd, 0,
- "sd1_insert", mmc_host);
+ ret = request_threaded_irq(PB1200_SD1_INSERT_INT, pb1200_mmc1_cd,
+ pb1200_mmc1_cdfn, 0, "sd1_insert", mmc_host);
if (ret)
goto out;
- ret = request_irq(PB1200_SD1_EJECT_INT, pb1200_mmc1_cd, 0,
- "sd1_eject", mmc_host);
+ ret = request_threaded_irq(PB1200_SD1_EJECT_INT, pb1200_mmc1_cd,
+ pb1200_mmc1_cdfn, 0, "sd1_eject", mmc_host);
if (ret) {
free_irq(PB1200_SD1_INSERT_INT, mmc_host);
goto out;
diff --git a/arch/mips/alchemy/devboards/db1300.c b/arch/mips/alchemy/devboards/db1300.c
index 3e7fbdbdb3c4..cd1ae29f95a3 100644
--- a/arch/mips/alchemy/devboards/db1300.c
+++ b/arch/mips/alchemy/devboards/db1300.c
@@ -450,24 +450,27 @@ static struct platform_device db1300_ide_dev = {
static irqreturn_t db1300_mmc_cd(int irq, void *ptr)
{
- void(*mmc_cd)(struct mmc_host *, unsigned long);
+ disable_irq_nosync(irq);
+ return IRQ_WAKE_THREAD;
+}
- /* disable the one currently screaming. No other way to shut it up */
- if (irq == DB1300_SD1_INSERT_INT) {
- disable_irq_nosync(DB1300_SD1_INSERT_INT);
- enable_irq(DB1300_SD1_EJECT_INT);
- } else {
- disable_irq_nosync(DB1300_SD1_EJECT_INT);
- enable_irq(DB1300_SD1_INSERT_INT);
- }
+static irqreturn_t db1300_mmc_cdfn(int irq, void *ptr)
+{
+ void (*mmc_cd)(struct mmc_host *, unsigned long);
/* link against CONFIG_MMC=m. We can only be called once MMC core has
* initialized the controller, so symbol_get() should always succeed.
*/
mmc_cd = symbol_get(mmc_detect_change);
- mmc_cd(ptr, msecs_to_jiffies(500));
+ mmc_cd(ptr, msecs_to_jiffies(200));
symbol_put(mmc_detect_change);
+ msleep(100); /* debounce */
+ if (irq == DB1300_SD1_INSERT_INT)
+ enable_irq(DB1300_SD1_EJECT_INT);
+ else
+ enable_irq(DB1300_SD1_INSERT_INT);
+
return IRQ_HANDLED;
}
@@ -487,13 +490,13 @@ static int db1300_mmc_cd_setup(void *mmc_host, int en)
int ret;
if (en) {
- ret = request_irq(DB1300_SD1_INSERT_INT, db1300_mmc_cd, 0,
- "sd_insert", mmc_host);
+ ret = request_threaded_irq(DB1300_SD1_INSERT_INT, db1300_mmc_cd,
+ db1300_mmc_cdfn, 0, "sd_insert", mmc_host);
if (ret)
goto out;
- ret = request_irq(DB1300_SD1_EJECT_INT, db1300_mmc_cd, 0,
- "sd_eject", mmc_host);
+ ret = request_threaded_irq(DB1300_SD1_EJECT_INT, db1300_mmc_cd,
+ db1300_mmc_cdfn, 0, "sd_eject", mmc_host);
if (ret) {
free_irq(DB1300_SD1_INSERT_INT, mmc_host);
goto out;
diff --git a/arch/mips/alchemy/devboards/db1xxx.c b/arch/mips/alchemy/devboards/db1xxx.c
index 2d47f951121a..c9ad28995cd2 100644
--- a/arch/mips/alchemy/devboards/db1xxx.c
+++ b/arch/mips/alchemy/devboards/db1xxx.c
@@ -2,6 +2,7 @@
* Alchemy DB/PB1xxx board support.
*/
+#include <asm/prom.h>
#include <asm/mach-au1x00/au1000.h>
#include <asm/mach-db1x00/bcsr.h>
@@ -97,6 +98,7 @@ arch_initcall(db1xxx_arch_init);
static int __init db1xxx_dev_init(void)
{
+ mips_set_machine_name(board_type_str());
switch (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI))) {
case BCSR_WHOAMI_DB1000:
case BCSR_WHOAMI_DB1500:
generated by cgit (git 2.34.1) at 2024-05-22 18:08:50 +0000