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Date: Wed, 6 Oct 2021 20:15:16 +0300 From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com> To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Saravana Kannan <saravanak@...gle.com>, Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, Uwe Kleine-König <u.kleine-koenig@...gutronix.de>, linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org, linux-acpi@...r.kernel.org, linux-i2c@...r.kernel.org Cc: "Rafael J. Wysocki" <rafael@...nel.org>, Mika Westerberg <mika.westerberg@...ux.intel.com>, Linus Walleij <linus.walleij@...aro.org>, Bartosz Golaszewski <brgl@...ev.pl>, Wolfram Sang <wsa@...nel.org> Subject: [PATCH v1 2/3] i2c: acpi: Replace custom function with device_match_acpi_handle() Since driver core provides a generic device_match_acpi_handle() we may replace the custom one with it. This unifies code to find an adapter with the similar one which finds a client. Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com> --- drivers/i2c/i2c-core-acpi.c | 22 +++++++++------------- 1 file changed, 9 insertions(+), 13 deletions(-) diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c index 7ea2ac712a57..0aea776cd4c9 100644 --- a/drivers/i2c/i2c-core-acpi.c +++ b/drivers/i2c/i2c-core-acpi.c @@ -398,24 +398,20 @@ u32 i2c_acpi_find_bus_speed(struct device *dev) } EXPORT_SYMBOL_GPL(i2c_acpi_find_bus_speed); -static int i2c_acpi_find_match_adapter(struct device *dev, const void *data) -{ - struct i2c_adapter *adapter = i2c_verify_adapter(dev); - - if (!adapter) - return 0; - - return ACPI_HANDLE(dev) == (acpi_handle)data; -} - struct i2c_adapter *i2c_acpi_find_adapter_by_handle(acpi_handle handle) { + struct i2c_adapter *adapter; struct device *dev; - dev = bus_find_device(&i2c_bus_type, NULL, handle, - i2c_acpi_find_match_adapter); + dev = bus_find_device(&i2c_bus_type, NULL, handle, device_match_acpi_handle); + if (!dev) + return NULL; + + adapter = i2c_verify_adapter(dev); + if (!adapter) + put_device(dev); - return dev ? i2c_verify_adapter(dev) : NULL; + return adapter; } EXPORT_SYMBOL_GPL(i2c_acpi_find_adapter_by_handle); -- 2.33.0
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