arm/gpio: Remove three copies of broken and racy debug code

gpiolib plus two gpio implementations in arm fiddle in the guts of
irq_desc in a racy and buggy way. Remove the stuff. I already told the
gpio folks that we can provide that information in a proper way if
necessary.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
LKML-Reference: <20110324212508.931638262@linutronix.de>

1 files changed, 0 insertions, 45 deletions

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 649550e2cae9..36a2974815b7 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1656,51 +1656,6 @@ static void gpiolib_dbg_show(struct seq_file *s, struct gpio_chip *chip)
                         chip->get
                                 ? (chip->get(chip, i) ? "hi" : "lo")
                                 : "?  ");
-
-                if (!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".
-                         *
-                         * More significantly, trigger type flags aren't
-                         * currently maintained by genirq.
-                         */
-                        if (irq >= 0 && desc->action) {
-                                char *trigger;
-
-                                switch (desc->status & IRQ_TYPE_SENSE_MASK) {
-                                case IRQ_TYPE_NONE:
-                                        trigger = "(default)";
-                                        break;
-                                case IRQ_TYPE_EDGE_FALLING:
-                                        trigger = "edge-falling";
-                                        break;
-                                case IRQ_TYPE_EDGE_RISING:
-                                        trigger = "edge-rising";
-                                        break;
-                                case IRQ_TYPE_EDGE_BOTH:
-                                        trigger = "edge-both";
-                                        break;
-                                case IRQ_TYPE_LEVEL_HIGH:
-                                        trigger = "level-high";
-                                        break;
-                                case IRQ_TYPE_LEVEL_LOW:
-                                        trigger = "level-low";
-                                        break;
-                                default:
-                                        trigger = "?trigger?";
-                                        break;
-                                }
-
-                                seq_printf(s, " irq-%d %s%s",
-                                        irq, trigger,
-                                        (desc->status & IRQ_WAKEUP)
-                                                ? " wakeup" : "");
-                        }
-                }
-
                 seq_printf(s, "\n");
         }
 }