From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198
---
kernel/drivers/iio/industrialio-trigger.c | 88 +++++--------------------------------------
1 files changed, 11 insertions(+), 77 deletions(-)
diff --git a/kernel/drivers/iio/industrialio-trigger.c b/kernel/drivers/iio/industrialio-trigger.c
index 49d76fa..6bcc562 100644
--- a/kernel/drivers/iio/industrialio-trigger.c
+++ b/kernel/drivers/iio/industrialio-trigger.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* The industrial I/O core, trigger handling functions
*
* Copyright (c) 2008 Jonathan Cameron
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
*/
#include <linux/kernel.h>
@@ -242,8 +239,8 @@
* the relevant function is in there may be the best option.
*/
/* Worth protecting against double additions? */
-static int iio_trigger_attach_poll_func(struct iio_trigger *trig,
- struct iio_poll_func *pf)
+int iio_trigger_attach_poll_func(struct iio_trigger *trig,
+ struct iio_poll_func *pf)
{
int ret = 0;
bool notinuse
@@ -254,8 +251,11 @@
/* Get irq number */
pf->irq = iio_trigger_get_irq(trig);
- if (pf->irq < 0)
+ if (pf->irq < 0) {
+ pr_err("Could not find an available irq for trigger %s, CONFIG_IIO_CONSUMERS_PER_TRIGGER=%d limit might be exceeded\n",
+ trig->name, CONFIG_IIO_CONSUMERS_PER_TRIGGER);
goto out_put_module;
+ }
/* Request irq */
ret = request_threaded_irq(pf->irq, pf->h, pf->thread,
@@ -290,8 +290,8 @@
return ret;
}
-static int iio_trigger_detach_poll_func(struct iio_trigger *trig,
- struct iio_poll_func *pf)
+int iio_trigger_detach_poll_func(struct iio_trigger *trig,
+ struct iio_poll_func *pf)
{
int ret = 0;
bool no_other_users
@@ -516,7 +516,8 @@
trig->subirqs[d->irq - trig->subirq_base].enabled = true;
}
-static struct iio_trigger *viio_trigger_alloc(const char *fmt, va_list vargs)
+static __printf(1, 0)
+struct iio_trigger *viio_trigger_alloc(const char *fmt, va_list vargs)
{
struct iio_trigger *trig;
int i;
@@ -584,18 +585,6 @@
iio_trigger_free(*(struct iio_trigger **)res);
}
-static int devm_iio_trigger_match(struct device *dev, void *res, void *data)
-{
- struct iio_trigger **r = res;
-
- if (!r || !*r) {
- WARN_ON(!r || !*r);
- return 0;
- }
-
- return *r == data;
-}
-
/**
* devm_iio_trigger_alloc - Resource-managed iio_trigger_alloc()
* @dev: Device to allocate iio_trigger for
@@ -606,9 +595,6 @@
*
* Managed iio_trigger_alloc. iio_trigger allocated with this function is
* automatically freed on driver detach.
- *
- * If an iio_trigger allocated with this function needs to be freed separately,
- * devm_iio_trigger_free() must be used.
*
* RETURNS:
* Pointer to allocated iio_trigger on success, NULL on failure.
@@ -639,23 +625,6 @@
}
EXPORT_SYMBOL_GPL(devm_iio_trigger_alloc);
-/**
- * devm_iio_trigger_free - Resource-managed iio_trigger_free()
- * @dev: Device this iio_dev belongs to
- * @iio_trig: the iio_trigger associated with the device
- *
- * Free iio_trigger allocated with devm_iio_trigger_alloc().
- */
-void devm_iio_trigger_free(struct device *dev, struct iio_trigger *iio_trig)
-{
- int rc;
-
- rc = devres_release(dev, devm_iio_trigger_release,
- devm_iio_trigger_match, iio_trig);
- WARN_ON(rc);
-}
-EXPORT_SYMBOL_GPL(devm_iio_trigger_free);
-
static void devm_iio_trigger_unreg(struct device *dev, void *res)
{
iio_trigger_unregister(*(struct iio_trigger **)res);
@@ -671,9 +640,6 @@
* function is automatically unregistered on driver detach. This function
* calls iio_trigger_register() internally. Refer to that function for more
* information.
- *
- * If an iio_trigger registered with this function needs to be unregistered
- * separately, devm_iio_trigger_unregister() must be used.
*
* RETURNS:
* 0 on success, negative error number on failure.
@@ -699,24 +665,6 @@
return ret;
}
EXPORT_SYMBOL_GPL(__devm_iio_trigger_register);
-
-/**
- * devm_iio_trigger_unregister - Resource-managed iio_trigger_unregister()
- * @dev: device this iio_trigger belongs to
- * @trig_info: the trigger associated with the device
- *
- * Unregister trigger registered with devm_iio_trigger_register().
- */
-void devm_iio_trigger_unregister(struct device *dev,
- struct iio_trigger *trig_info)
-{
- int rc;
-
- rc = devres_release(dev, devm_iio_trigger_unreg, devm_iio_trigger_match,
- trig_info);
- WARN_ON(rc);
-}
-EXPORT_SYMBOL_GPL(devm_iio_trigger_unregister);
bool iio_trigger_using_own(struct iio_dev *indio_dev)
{
@@ -757,17 +705,3 @@
if (indio_dev->trig)
iio_trigger_put(indio_dev->trig);
}
-
-int iio_triggered_buffer_postenable(struct iio_dev *indio_dev)
-{
- return iio_trigger_attach_poll_func(indio_dev->trig,
- indio_dev->pollfunc);
-}
-EXPORT_SYMBOL(iio_triggered_buffer_postenable);
-
-int iio_triggered_buffer_predisable(struct iio_dev *indio_dev)
-{
- return iio_trigger_detach_poll_func(indio_dev->trig,
- indio_dev->pollfunc);
-}
-EXPORT_SYMBOL(iio_triggered_buffer_predisable);
--
Gitblit v1.6.2