From: Suzuki K Poulose <suzuki.poulose@arm.com>
To: linux-kernel@vger.kernel.org
Cc: gregkh@linuxfoundation.org, rafael@kernel.org,
suzuki.poulose@arm.com, Elie Morisse <syniurge@gmail.com>,
Nehal Shah <nehal-bakulchandra.shah@amd.com>,
Shyam Sundar S K <shyam-sundar.s-k@amd.com>
Subject: [PATCH v2 26/28] drivers: Introduce driver_find_next_device() helper
Date: Fri, 14 Jun 2019 18:54:21 +0100 [thread overview]
Message-ID: <1560534863-15115-27-git-send-email-suzuki.poulose@arm.com> (raw)
In-Reply-To: <1560534863-15115-1-git-send-email-suzuki.poulose@arm.com>
Add a wrapper for driver_find_device() to find the next device
for a given driver from the "start" device. Also convert the existing
users to make use of the new helper.
Cc: Elie Morisse <syniurge@gmail.com>
Cc: Nehal Shah <nehal-bakulchandra.shah@amd.com>
Cc: Shyam Sundar S K <shyam-sundar.s-k@amd.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
---
drivers/i2c/busses/i2c-amd-mp2-pci.c | 8 +-------
drivers/s390/cio/ccwgroup.c | 8 +-------
include/linux/device.h | 6 ++++++
3 files changed, 8 insertions(+), 14 deletions(-)
diff --git a/drivers/i2c/busses/i2c-amd-mp2-pci.c b/drivers/i2c/busses/i2c-amd-mp2-pci.c
index c7fe3b4..5e4800d 100644
--- a/drivers/i2c/busses/i2c-amd-mp2-pci.c
+++ b/drivers/i2c/busses/i2c-amd-mp2-pci.c
@@ -457,18 +457,12 @@ static struct pci_driver amd_mp2_pci_driver = {
};
module_pci_driver(amd_mp2_pci_driver);
-static int amd_mp2_device_match(struct device *dev, const void *data)
-{
- return 1;
-}
-
struct amd_mp2_dev *amd_mp2_find_device(void)
{
struct device *dev;
struct pci_dev *pci_dev;
- dev = driver_find_device(&amd_mp2_pci_driver.driver, NULL, NULL,
- amd_mp2_device_match);
+ dev = driver_find_next_device(&amd_mp2_pci_driver.driver, NULL);
if (!dev)
return NULL;
diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c
index d843e36..0005ec9 100644
--- a/drivers/s390/cio/ccwgroup.c
+++ b/drivers/s390/cio/ccwgroup.c
@@ -581,11 +581,6 @@ int ccwgroup_driver_register(struct ccwgroup_driver *cdriver)
}
EXPORT_SYMBOL(ccwgroup_driver_register);
-static int __ccwgroup_match_all(struct device *dev, const void *data)
-{
- return 1;
-}
-
/**
* ccwgroup_driver_unregister() - deregister a ccw group driver
* @cdriver: driver to be deregistered
@@ -597,8 +592,7 @@ void ccwgroup_driver_unregister(struct ccwgroup_driver *cdriver)
struct device *dev;
/* We don't want ccwgroup devices to live longer than their driver. */
- while ((dev = driver_find_device(&cdriver->driver, NULL, NULL,
- __ccwgroup_match_all))) {
+ while ((dev = driver_find_next_device(&cdriver->driver, NULL))) {
struct ccwgroup_device *gdev = to_ccwgroupdev(dev);
ccwgroup_ungroup(gdev);
diff --git a/include/linux/device.h b/include/linux/device.h
index f7f6a43..77f817d 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -475,6 +475,12 @@ static inline struct device *driver_find_device_by_devt(struct device_driver *dr
return driver_find_device(drv, NULL, &devt, device_match_devt);
}
+static inline struct device *driver_find_next_device(struct device_driver *drv,
+ struct device *start)
+{
+ return driver_find_device(drv, start, NULL, device_match_any);
+}
+
void driver_deferred_probe_add(struct device *dev);
int driver_deferred_probe_check_state(struct device *dev);
--
2.7.4
next prev parent reply other threads:[~2019-06-14 17:55 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1560534863-15115-1-git-send-email-suzuki.poulose@arm.com>
2019-06-14 17:53 ` [PATCH v2 01/28] staging: most-core: Use bus_find_device_by_name Suzuki K Poulose
2019-06-14 17:53 ` [PATCH v2 02/28] mfd: Remove unused helper syscon_regmap_lookup_by_pdevname Suzuki K Poulose
2019-07-25 10:50 ` Lee Jones
2019-06-14 17:53 ` [PATCH v2 03/28] acpi: utils: Cleanup acpi_dev_match_cb Suzuki K Poulose
2019-06-17 22:08 ` Rafael J. Wysocki
2019-06-24 3:20 ` Greg Kroah-Hartman
2019-06-14 17:53 ` [PATCH v2 04/28] bus_find_device: Unify the match callback with class_find_device Suzuki K Poulose
2019-06-14 20:30 ` Rob Herring
2019-06-14 20:30 ` Wolfram Sang
2019-06-14 17:54 ` [PATCH v2 05/28] driver_find_device: Unify the match function with class_find_device() Suzuki K Poulose
2019-06-14 17:54 ` [PATCH v2 06/28] drivers: Add generic helper to match by of_node Suzuki K Poulose
2019-06-14 20:31 ` Wolfram Sang
2019-06-17 9:59 ` Suzuki K Poulose
2019-06-17 10:06 ` Wolfram Sang
2019-06-14 17:54 ` [PATCH v2 07/28] drivers: Add generic helper to match by fwnode Suzuki K Poulose
2019-06-14 17:54 ` [PATCH v2 08/28] drivers: Add generic helper to match by device type Suzuki K Poulose
2019-06-14 17:54 ` [PATCH v2 09/28] drivers: Add generic match helper by ACPI_COMPANION device Suzuki K Poulose
2019-06-17 22:07 ` Rafael J. Wysocki
2019-06-18 8:38 ` Suzuki K Poulose
2019-06-18 8:40 ` Rafael J. Wysocki
2019-06-14 17:54 ` [PATCH v2 10/28] drivers: Add generic helper to match by name Suzuki K Poulose
2019-06-14 17:54 ` [PATCH v2 11/28] drivers: Add generic helper to match any device Suzuki K Poulose
2019-06-14 17:54 ` [PATCH v2 12/28] drivers: Introduce class_find_device_by_name() helper Suzuki K Poulose
2019-06-21 11:02 ` Pavel Machek
2019-06-24 10:08 ` Alexandre Belloni
2019-06-14 17:54 ` [PATCH v2 13/28] drivers: Introduce class_find_device_by_of_node() helper Suzuki K Poulose
2019-06-22 5:25 ` Peter Rosin
2019-06-24 8:34 ` Suzuki K Poulose
2019-06-24 14:07 ` Peter Rosin
2019-06-24 15:19 ` Suzuki K Poulose
2019-06-14 17:54 ` [PATCH v2 14/28] drivers: Introduce class_find_device_by_fwnode() helper Suzuki K Poulose
2019-06-18 10:42 ` Heikki Krogerus
2019-06-14 17:54 ` [PATCH v2 15/28] drivers: Introduce class_find_device_by_devt() helper Suzuki K Poulose
2019-06-14 17:54 ` [PATCH v2 16/28] drivers: Introduce class_find_device_by_acpi_dev() helper Suzuki K Poulose
2019-06-14 17:54 ` [PATCH v2 17/28] drivers: Introduce bus_find_device_by_of_node() helper Suzuki K Poulose
2019-06-14 20:32 ` Wolfram Sang
2019-07-09 16:19 ` Rob Herring
2019-06-14 17:54 ` [PATCH v2 18/28] drivers: Introduce bus_find_device_by_fwnode() helper Suzuki K Poulose
2019-06-14 17:54 ` [PATCH v2 19/28] drivers: Introduce bus_find_device_by_devt() helper Suzuki K Poulose
2019-06-14 17:54 ` [PATCH v2 20/28] drivers: Introduce bus_find_next_device() helper Suzuki K Poulose
2019-06-14 17:54 ` [PATCH v2 21/28] drivers: Introduce bus_find_device_by_acpi_dev() helper Suzuki K Poulose
2019-06-14 18:08 ` Mark Brown
2019-06-17 9:39 ` Mika Westerberg
2019-06-17 10:07 ` Wolfram Sang
2019-06-14 17:54 ` [PATCH v2 22/28] drivers: Introduce driver_find_device_by_name() helper Suzuki K Poulose
2019-06-14 17:54 ` [PATCH v2 23/28] drivers: Introduce driver_find_device_by_of_node() helper Suzuki K Poulose
2019-07-25 10:51 ` Lee Jones
2019-07-25 13:38 ` Suzuki K Poulose
2019-06-14 17:54 ` [PATCH v2 24/28] drivers: Introduce driver_find_device_by_fwnode() helper Suzuki K Poulose
2019-06-14 17:54 ` [PATCH v2 25/28] drivers: Introduce driver_find_device_by_devt() helper Suzuki K Poulose
2019-06-14 17:54 ` Suzuki K Poulose [this message]
2019-06-14 17:54 ` [PATCH v2 27/28] drivers: Introduce driver_find_device_by_acpi_dev() helper Suzuki K Poulose
2019-06-14 17:54 ` [PATCH v2 28/28] platform: Add platform_find_device_by_driver() helper Suzuki K Poulose
2019-06-14 18:24 ` [PATCH v2 00/28] drivers: Consolidate device lookup helpers Joe Perches
2019-06-17 10:07 ` Suzuki K Poulose
[not found] ` <20190624032348.GA28919@kroah.com>
2019-06-24 8:31 ` Suzuki K Poulose
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