pinctrl: remove unnecessary max pin number

This patch removes maxpin member in the pin control descriptor
because we don't need this value as we enumerate a pin space
using offset.

Signed-off-by: Chanho Park <chanho61.park@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

4 files changed, 0 insertions, 8 deletions

diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index 79c56d90fcc5..569bdb3ef104 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -354,7 +354,6 @@ static int pinctrl_pins_show(struct seq_file *s, void *what)
         unsigned i, pin;
 
         seq_printf(s, "registered pins: %d\n", pctldev->desc->npins);
-        seq_printf(s, "max pin number: %d\n", pctldev->desc->maxpin);
 
         /* The pin number can be retrived from the pin controller descriptor */
         for (i = 0; i < pctldev->desc->npins; i++) {
diff --git a/drivers/pinctrl/pinctrl-sirf.c b/drivers/pinctrl/pinctrl-sirf.c
index 99e688e07ea0..6b3534cc051a 100644
--- a/drivers/pinctrl/pinctrl-sirf.c
+++ b/drivers/pinctrl/pinctrl-sirf.c
@@ -1086,7 +1086,6 @@ static struct pinctrl_desc sirfsoc_pinmux_desc = {
         .name = DRIVER_NAME,
         .pins = sirfsoc_pads,
         .npins = ARRAY_SIZE(sirfsoc_pads),
-        .maxpin = SIRFSOC_NUM_PADS - 1,
         .pctlops = &sirfsoc_pctrl_ops,
         .pmxops = &sirfsoc_pinmux_ops,
         .owner = THIS_MODULE,
diff --git a/drivers/pinctrl/pinctrl-u300.c b/drivers/pinctrl/pinctrl-u300.c
index 7e89b367a7e5..c8d02f1c2b5e 100644
--- a/drivers/pinctrl/pinctrl-u300.c
+++ b/drivers/pinctrl/pinctrl-u300.c
@@ -1048,7 +1048,6 @@ static struct pinctrl_desc u300_pmx_desc = {
         .name = DRIVER_NAME,
         .pins = u300_pads,
         .npins = ARRAY_SIZE(u300_pads),
-        .maxpin = U300_NUM_PADS-1,
         .pctlops = &u300_pctrl_ops,
         .pmxops = &u300_pmx_ops,
         .owner = THIS_MODULE,
diff --git a/include/linux/pinctrl/pinctrl.h b/include/linux/pinctrl/pinctrl.h
index 9809a94f151b..8bd22ee7aa09 100644
--- a/include/linux/pinctrl/pinctrl.h
+++ b/include/linux/pinctrl/pinctrl.h
@@ -92,10 +92,6 @@ struct pinctrl_ops {
  *      this pin controller
  * @npins: number of descriptors in the array, usually just ARRAY_SIZE()
  *      of the pins field above
- * @maxpin: since pin spaces may be sparse, there can he "holes" in the
- *      pin range, this attribute gives the maximum pin number in the
- *      total range. This should not be lower than npins for example,
- *      but may be equal to npins if you have no holes in the pin range.
  * @pctlops: pin control operation vtable, to support global concepts like
  *      grouping of pins, this is optional.
  * @pmxops: pinmux operations vtable, if you support pinmuxing in your driver
@@ -107,7 +103,6 @@ struct pinctrl_desc {
         const char *name;
         struct pinctrl_pin_desc const *pins;
         unsigned int npins;
-        unsigned int maxpin;
         struct pinctrl_ops *pctlops;
         struct pinmux_ops *pmxops;
         struct pinconf_ops *confops;