aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/platform/x86
diff options
context:
space:
mode:
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2018-11-28 13:45:31 +0200
committerAndy Shevchenko <andriy.shevchenko@linux.intel.com>2018-12-03 21:40:02 +0200
commit870ab9a379b6753ed45736152b0237ccc726172c (patch)
tree505e3690b62ec020b108334b1e9877e40f4739af /drivers/platform/x86
parentplatform/x86: i2c-multi-instantiate: Count I2cSerialBus() resources (diff)
downloadlinux-dev-870ab9a379b6753ed45736152b0237ccc726172c.tar.xz
linux-dev-870ab9a379b6753ed45736152b0237ccc726172c.zip
platform/x86: i2c-multi-instantiate: Distinguish IRQ resource type
As a preparatory patch switch the driver to distinguish IRQ resource type. For now, only GpioInt() is supported. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'drivers/platform/x86')
-rw-r--r--drivers/platform/x86/i2c-multi-instantiate.c27
1 files changed, 18 insertions, 9 deletions
diff --git a/drivers/platform/x86/i2c-multi-instantiate.c b/drivers/platform/x86/i2c-multi-instantiate.c
index d99bbaed0ca2..99db3e336718 100644
--- a/drivers/platform/x86/i2c-multi-instantiate.c
+++ b/drivers/platform/x86/i2c-multi-instantiate.c
@@ -7,6 +7,7 @@
*/
#include <linux/acpi.h>
+#include <linux/bits.h>
#include <linux/i2c.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
@@ -14,9 +15,14 @@
#include <linux/platform_device.h>
#include <linux/types.h>
+#define IRQ_RESOURCE_TYPE GENMASK(1, 0)
+#define IRQ_RESOURCE_NONE 0
+#define IRQ_RESOURCE_GPIO 1
+
struct i2c_inst_data {
const char *type;
- int gpio_irq_idx;
+ unsigned int flags;
+ int irq_idx;
};
struct i2c_multi_inst_data {
@@ -88,16 +94,19 @@ static int i2c_multi_inst_probe(struct platform_device *pdev)
snprintf(name, sizeof(name), "%s-%s", match->id,
inst_data[i].type);
board_info.dev_name = name;
- board_info.irq = 0;
- if (inst_data[i].gpio_irq_idx != -1) {
- ret = acpi_dev_gpio_irq_get(adev,
- inst_data[i].gpio_irq_idx);
+ switch (inst_data[i].flags & IRQ_RESOURCE_TYPE) {
+ case IRQ_RESOURCE_GPIO:
+ ret = acpi_dev_gpio_irq_get(adev, inst_data[i].irq_idx);
if (ret < 0) {
dev_err(dev, "Error requesting irq at index %d: %d\n",
- inst_data[i].gpio_irq_idx, ret);
+ inst_data[i].irq_idx, ret);
goto error;
}
board_info.irq = ret;
+ break;
+ default:
+ board_info.irq = 0;
+ break;
}
multi->clients[i] = i2c_acpi_new_device(dev, i, &board_info);
if (IS_ERR(multi->clients[i])) {
@@ -135,9 +144,9 @@ static int i2c_multi_inst_remove(struct platform_device *pdev)
}
static const struct i2c_inst_data bsg1160_data[] = {
- { "bmc150_accel", 0 },
- { "bmc150_magn", -1 },
- { "bmg160", -1 },
+ { "bmc150_accel", IRQ_RESOURCE_GPIO, 0 },
+ { "bmc150_magn" },
+ { "bmg160" },
{}
};