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path: root/drivers/pinctrl/nomadik/pinctrl-nomadik.c
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Diffstat (limited to 'drivers/pinctrl/nomadik/pinctrl-nomadik.c')
-rw-r--r--drivers/pinctrl/nomadik/pinctrl-nomadik.c36
1 files changed, 25 insertions, 11 deletions
diff --git a/drivers/pinctrl/nomadik/pinctrl-nomadik.c b/drivers/pinctrl/nomadik/pinctrl-nomadik.c
index 09efb8c1a2eb..3c29d9187146 100644
--- a/drivers/pinctrl/nomadik/pinctrl-nomadik.c
+++ b/drivers/pinctrl/nomadik/pinctrl-nomadik.c
@@ -986,6 +986,7 @@ static void nmk_gpio_dbg_show_one(struct seq_file *s,
container_of(chip, struct nmk_gpio_chip, chip);
int mode;
bool is_out;
+ bool data_out;
bool pull;
u32 bit = 1 << offset;
const char *modes[] = {
@@ -998,28 +999,41 @@ static void nmk_gpio_dbg_show_one(struct seq_file *s,
[NMK_GPIO_ALT_C+3] = "altC3",
[NMK_GPIO_ALT_C+4] = "altC4",
};
+ const char *pulls[] = {
+ "none ",
+ "pull down",
+ "pull up ",
+ };
clk_enable(nmk_chip->clk);
is_out = !!(readl(nmk_chip->addr + NMK_GPIO_DIR) & bit);
pull = !(readl(nmk_chip->addr + NMK_GPIO_PDIS) & bit);
+ data_out = !!(readl(nmk_chip->addr + NMK_GPIO_DAT) & bit);
mode = nmk_gpio_get_mode(gpio);
if ((mode == NMK_GPIO_ALT_C) && pctldev)
mode = nmk_prcm_gpiocr_get_mode(pctldev, gpio);
- seq_printf(s, " gpio-%-3d (%-20.20s) %s %s %s %s",
- gpio, label ?: "(none)",
- is_out ? "out" : "in ",
- chip->get
- ? (chip->get(chip, offset) ? "hi" : "lo")
- : "? ",
- (mode < 0) ? "unknown" : modes[mode],
- pull ? "pull" : "none");
-
- if (!is_out) {
+ if (is_out) {
+ seq_printf(s, " gpio-%-3d (%-20.20s) out %s %s",
+ gpio,
+ label ?: "(none)",
+ data_out ? "hi" : "lo",
+ (mode < 0) ? "unknown" : modes[mode]);
+ } else {
int irq = gpio_to_irq(gpio);
struct irq_desc *desc = irq_to_desc(irq);
+ int pullidx = 0;
- /* This races with request_irq(), set_irq_type(),
+ if (pull)
+ pullidx = data_out ? 1 : 2;
+
+ seq_printf(s, " gpio-%-3d (%-20.20s) in %s %s",
+ gpio,
+ label ?: "(none)",
+ pulls[pullidx],
+ (mode < 0) ? "unknown" : modes[mode]);
+ /*
+ * This races with request_irq(), set_irq_type(),
* and set_irq_wake() ... but those are "rare".
*/
if (irq > 0 && desc && desc->action) {