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- From c9125348a22f695fa543c96e8f6beca8cb26d6d7 Mon Sep 17 00:00:00 2001
- From: Jan Kiszka <jan.kiszka@siemens.com>
- Date: Thu, 25 May 2017 11:09:42 +0200
- Subject: [PATCH 27/27] iot2000-hack: Work around DSDT mistake
- Until we have a new firmware revision, fix up the incorrect GPIO
- interrupt pin in software.
- Nothing for upstream.
- Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
- ---
- drivers/gpio/gpiolib-acpi.c | 8 ++++++++
- 1 file changed, 8 insertions(+)
- diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
- index cbbb67a6f1d6..ec1a092e9911 100644
- --- a/drivers/gpio/gpiolib-acpi.c
- +++ b/drivers/gpio/gpiolib-acpi.c
- @@ -10,6 +10,7 @@
- * published by the Free Software Foundation.
- */
-
- +#include <linux/dmi.h>
- #include <linux/errno.h>
- #include <linux/gpio.h>
- #include <linux/gpio/consumer.h>
- @@ -408,6 +409,13 @@ static int acpi_find_gpio(struct acpi_resource *ares, void *data)
- if (pin_index >= agpio->pin_table_length)
- return 1;
-
- + if (!strcmp(dmi_get_system_info(DMI_BOARD_NAME),
- + "SIMATIC IOT2000") &&
- + !strcmp(agpio->resource_source.string_ptr,
- + "\\_SB.PCI0.GIP0.GPO") &&
- + agpio->pin_table[pin_index] == 9)
- + agpio->pin_table[pin_index] = 1;
- +
- lookup->desc = acpi_get_gpiod(agpio->resource_source.string_ptr,
- agpio->pin_table[pin_index]);
- lookup->info.gpioint =
- --
- 2.12.0
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