* [PATCH 3/4] gpio/nomadik: show all pins in debug
@ 2011-05-20 22:05 ` Linus Walleij
0 siblings, 0 replies; 4+ messages in thread
From: Linus Walleij @ 2011-05-20 22:05 UTC (permalink / raw)
To: Grant Likely, linux-kernel, linux-arm-kernel
Cc: Lee Jones, Rabin Vincent, Linus Walleij
From: Rabin Vincent <rabin.vincent@stericsson.com>
Useful to check the status of the runtime pin muxing.
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Reviewed-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
[Squashed, modified to use chip-internal IRQ trigger state]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
drivers/gpio/gpio-nomadik.c | 31 +++++++++++++++++++++++++++----
1 files changed, 27 insertions(+), 4 deletions(-)
diff --git a/drivers/gpio/gpio-nomadik.c b/drivers/gpio/gpio-nomadik.c
index f49748e..e6d62b9 100644
--- a/drivers/gpio/gpio-nomadik.c
+++ b/drivers/gpio/gpio-nomadik.c
@@ -815,20 +815,43 @@ static void nmk_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
bool pull;
u32 bit = 1 << i;
- if (!label)
- continue;
-
is_out = readl(nmk_chip->addr + NMK_GPIO_DIR) & bit;
pull = !(readl(nmk_chip->addr + NMK_GPIO_PDIS) & bit);
mode = nmk_gpio_get_mode(gpio);
seq_printf(s, " gpio-%-3d (%-20.20s) %s %s %s %s",
- gpio, label,
+ gpio, label ?: "(none)",
is_out ? "out" : "in ",
chip->get
? (chip->get(chip, i) ? "hi" : "lo")
: "? ",
(mode < 0) ? "unknown" : modes[mode],
pull ? "pull" : "none");
+
+ if (label && !is_out) {
+ int irq = gpio_to_irq(gpio);
+ struct irq_desc *desc = irq_to_desc(irq);
+
+ /* This races with request_irq(), set_irq_type(),
+ * and set_irq_wake() ... but those are "rare".
+ */
+ if (irq >= 0 && desc->action) {
+ char *trigger;
+ u32 bitmask = nmk_gpio_get_bitmask(gpio);
+
+ if (nmk_chip->edge_rising & bitmask)
+ trigger = "edge-rising";
+ else if (nmk_chip->edge_falling & bitmask)
+ trigger = "edge-falling";
+ else
+ trigger = "edge-undefined";
+
+ seq_printf(s, " irq-%d %s%s",
+ irq, trigger,
+ irqd_is_wakeup_set(&desc->irq_data)
+ ? " wakeup" : "");
+ }
+ }
+
seq_printf(s, "\n");
}
}
--
1.7.3.2
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH 3/4] gpio/nomadik: show all pins in debug
@ 2011-05-20 22:05 ` Linus Walleij
0 siblings, 0 replies; 4+ messages in thread
From: Linus Walleij @ 2011-05-20 22:05 UTC (permalink / raw)
To: linux-arm-kernel
From: Rabin Vincent <rabin.vincent@stericsson.com>
Useful to check the status of the runtime pin muxing.
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Reviewed-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
[Squashed, modified to use chip-internal IRQ trigger state]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
drivers/gpio/gpio-nomadik.c | 31 +++++++++++++++++++++++++++----
1 files changed, 27 insertions(+), 4 deletions(-)
diff --git a/drivers/gpio/gpio-nomadik.c b/drivers/gpio/gpio-nomadik.c
index f49748e..e6d62b9 100644
--- a/drivers/gpio/gpio-nomadik.c
+++ b/drivers/gpio/gpio-nomadik.c
@@ -815,20 +815,43 @@ static void nmk_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
bool pull;
u32 bit = 1 << i;
- if (!label)
- continue;
-
is_out = readl(nmk_chip->addr + NMK_GPIO_DIR) & bit;
pull = !(readl(nmk_chip->addr + NMK_GPIO_PDIS) & bit);
mode = nmk_gpio_get_mode(gpio);
seq_printf(s, " gpio-%-3d (%-20.20s) %s %s %s %s",
- gpio, label,
+ gpio, label ?: "(none)",
is_out ? "out" : "in ",
chip->get
? (chip->get(chip, i) ? "hi" : "lo")
: "? ",
(mode < 0) ? "unknown" : modes[mode],
pull ? "pull" : "none");
+
+ if (label && !is_out) {
+ int irq = gpio_to_irq(gpio);
+ struct irq_desc *desc = irq_to_desc(irq);
+
+ /* This races with request_irq(), set_irq_type(),
+ * and set_irq_wake() ... but those are "rare".
+ */
+ if (irq >= 0 && desc->action) {
+ char *trigger;
+ u32 bitmask = nmk_gpio_get_bitmask(gpio);
+
+ if (nmk_chip->edge_rising & bitmask)
+ trigger = "edge-rising";
+ else if (nmk_chip->edge_falling & bitmask)
+ trigger = "edge-falling";
+ else
+ trigger = "edge-undefined";
+
+ seq_printf(s, " irq-%d %s%s",
+ irq, trigger,
+ irqd_is_wakeup_set(&desc->irq_data)
+ ? " wakeup" : "");
+ }
+ }
+
seq_printf(s, "\n");
}
}
--
1.7.3.2
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH 3/4] gpio/nomadik: show all pins in debug
@ 2011-05-24 21:07 ` Linus Walleij
0 siblings, 0 replies; 4+ messages in thread
From: Linus Walleij @ 2011-05-24 21:07 UTC (permalink / raw)
To: Grant Likely, linux-kernel, linux-arm-kernel
Cc: Lee Jones, Rabin Vincent, Linus Walleij
From: Rabin Vincent <rabin.vincent@stericsson.com>
Useful to check the status of the runtime pin muxing.
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Reviewed-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
[Squashed, modified to use chip-internal IRQ trigger state]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
drivers/gpio/gpio-nomadik.c | 31 +++++++++++++++++++++++++++----
1 files changed, 27 insertions(+), 4 deletions(-)
diff --git a/drivers/gpio/gpio-nomadik.c b/drivers/gpio/gpio-nomadik.c
index 307b813..3802047 100644
--- a/drivers/gpio/gpio-nomadik.c
+++ b/drivers/gpio/gpio-nomadik.c
@@ -811,20 +811,43 @@ static void nmk_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
bool pull;
u32 bit = 1 << i;
- if (!label)
- continue;
-
is_out = readl(nmk_chip->addr + NMK_GPIO_DIR) & bit;
pull = !(readl(nmk_chip->addr + NMK_GPIO_PDIS) & bit);
mode = nmk_gpio_get_mode(gpio);
seq_printf(s, " gpio-%-3d (%-20.20s) %s %s %s %s",
- gpio, label,
+ gpio, label ?: "(none)",
is_out ? "out" : "in ",
chip->get
? (chip->get(chip, i) ? "hi" : "lo")
: "? ",
(mode < 0) ? "unknown" : modes[mode],
pull ? "pull" : "none");
+
+ if (label && !is_out) {
+ int irq = gpio_to_irq(gpio);
+ struct irq_desc *desc = irq_to_desc(irq);
+
+ /* This races with request_irq(), set_irq_type(),
+ * and set_irq_wake() ... but those are "rare".
+ */
+ if (irq >= 0 && desc->action) {
+ char *trigger;
+ u32 bitmask = nmk_gpio_get_bitmask(gpio);
+
+ if (nmk_chip->edge_rising & bitmask)
+ trigger = "edge-rising";
+ else if (nmk_chip->edge_falling & bitmask)
+ trigger = "edge-falling";
+ else
+ trigger = "edge-undefined";
+
+ seq_printf(s, " irq-%d %s%s",
+ irq, trigger,
+ irqd_is_wakeup_set(&desc->irq_data)
+ ? " wakeup" : "");
+ }
+ }
+
seq_printf(s, "\n");
}
}
--
1.7.3.2
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH 3/4] gpio/nomadik: show all pins in debug
@ 2011-05-24 21:07 ` Linus Walleij
0 siblings, 0 replies; 4+ messages in thread
From: Linus Walleij @ 2011-05-24 21:07 UTC (permalink / raw)
To: linux-arm-kernel
From: Rabin Vincent <rabin.vincent@stericsson.com>
Useful to check the status of the runtime pin muxing.
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Reviewed-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
[Squashed, modified to use chip-internal IRQ trigger state]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
drivers/gpio/gpio-nomadik.c | 31 +++++++++++++++++++++++++++----
1 files changed, 27 insertions(+), 4 deletions(-)
diff --git a/drivers/gpio/gpio-nomadik.c b/drivers/gpio/gpio-nomadik.c
index 307b813..3802047 100644
--- a/drivers/gpio/gpio-nomadik.c
+++ b/drivers/gpio/gpio-nomadik.c
@@ -811,20 +811,43 @@ static void nmk_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
bool pull;
u32 bit = 1 << i;
- if (!label)
- continue;
-
is_out = readl(nmk_chip->addr + NMK_GPIO_DIR) & bit;
pull = !(readl(nmk_chip->addr + NMK_GPIO_PDIS) & bit);
mode = nmk_gpio_get_mode(gpio);
seq_printf(s, " gpio-%-3d (%-20.20s) %s %s %s %s",
- gpio, label,
+ gpio, label ?: "(none)",
is_out ? "out" : "in ",
chip->get
? (chip->get(chip, i) ? "hi" : "lo")
: "? ",
(mode < 0) ? "unknown" : modes[mode],
pull ? "pull" : "none");
+
+ if (label && !is_out) {
+ int irq = gpio_to_irq(gpio);
+ struct irq_desc *desc = irq_to_desc(irq);
+
+ /* This races with request_irq(), set_irq_type(),
+ * and set_irq_wake() ... but those are "rare".
+ */
+ if (irq >= 0 && desc->action) {
+ char *trigger;
+ u32 bitmask = nmk_gpio_get_bitmask(gpio);
+
+ if (nmk_chip->edge_rising & bitmask)
+ trigger = "edge-rising";
+ else if (nmk_chip->edge_falling & bitmask)
+ trigger = "edge-falling";
+ else
+ trigger = "edge-undefined";
+
+ seq_printf(s, " irq-%d %s%s",
+ irq, trigger,
+ irqd_is_wakeup_set(&desc->irq_data)
+ ? " wakeup" : "");
+ }
+ }
+
seq_printf(s, "\n");
}
}
--
1.7.3.2
^ permalink raw reply related [flat|nested] 4+ messages in thread
end of thread, other threads:[~2011-05-24 21:07 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2011-05-20 22:05 [PATCH 3/4] gpio/nomadik: show all pins in debug Linus Walleij
2011-05-20 22:05 ` Linus Walleij
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2011-05-24 21:07 ` Linus Walleij
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