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pinctrl: lynxpoint: Correct amount of pins

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When we count from 0 it's possible to get into off-by-one error.
That's what had happened to this driver. So, correct amount of pins
and related typos in the code.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
This commit is contained in:
Andy Shevchenko 2019-10-25 21:25:43 +03:00
parent b2e05d63c2
commit 7c0bc7bb39
1 changed files with 6 additions and 6 deletions
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12
drivers/pinctrl/intel/pinctrl-lynxpoint.c
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@ -18,9 +18,9 @@
#include <linux/slab.h>
#include <linux/types.h>
/* LynxPoint chipset has support for 94 gpio pins */
/* LynxPoint chipset has support for 95 GPIO pins */
#define LP_NUM_GPIO 94
#define LP_NUM_GPIO 95
/* Bitmapped register offsets */
#define LP_ACPI_OWNED 0x00 /* Bitmap, set by bios, 0: pin reserved for ACPI */
@ -54,11 +54,11 @@ struct lp_gpio {
/*
* Lynxpoint gpios are controlled through both bitmapped registers and
* per gpio specific registers. The bitmapped registers are in chunks of
* 3 x 32bit registers to cover all 94 gpios
* 3 x 32bit registers to cover all 95 GPIOs
*
* per gpio specific registers consist of two 32bit registers per gpio
* (LP_CONFIG1 and LP_CONFIG2), with 94 gpios there's a total of
* 188 config registers.
* (LP_CONFIG1 and LP_CONFIG2), with 95 GPIOs there's a total of
* 190 config registers.
*
* A simplified view of the register layout look like this:
*
@ -67,7 +67,7 @@ struct lp_gpio {
* LP_ACPI_OWNED[94:64] gpio ownerships for gpios 63-94
* ...
* LP_INT_ENABLE[31:0] ...
* LP_INT_ENABLE[63:31] ...
* LP_INT_ENABLE[63:32] ...
* LP_INT_ENABLE[94:64] ...
* LP0_CONFIG1 (gpio 0) config1 reg for gpio 0 (per gpio registers)
* LP0_CONFIG2 (gpio 0) config2 reg for gpio 0