linux-kernel - [PATCH] docs: firmware-guide: acpi: Change dma_request_slave_channel to dma_request

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Message-ID: <20191217104856.24987-1-peter.ujfalusi@ti.com>
Date:   Tue, 17 Dec 2019 12:48:56 +0200
From:   Peter Ujfalusi <peter.ujfalusi@...com>
To:     <rjw@...ysocki.net>, <lenb@...nel.org>
CC:     <vkoul@...nel.org>, <linux-acpi@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH] docs: firmware-guide: acpi: Change dma_request_slave_channel to dma_request_chan

dma_request_chan() is the preferred API to request slave channels.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...com>
---
 .../firmware-guide/acpi/enumeration.rst          | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/Documentation/firmware-guide/acpi/enumeration.rst b/Documentation/firmware-guide/acpi/enumeration.rst
index 0a72b6321f5f..c13fee8b02ba 100644
--- a/Documentation/firmware-guide/acpi/enumeration.rst
+++ b/Documentation/firmware-guide/acpi/enumeration.rst
@@ -71,8 +71,8 @@ DMA support
 DMA controllers enumerated via ACPI should be registered in the system to
 provide generic access to their resources. For example, a driver that would
 like to be accessible to slave devices via generic API call
-dma_request_slave_channel() must register itself at the end of the probe
-function like this::
+dma_request_chan() must register itself at the end of the probe function like
+this::
 
 	err = devm_acpi_dma_controller_register(dev, xlate_func, dw);
 	/* Handle the error if it's not a case of !CONFIG_ACPI */
@@ -112,15 +112,15 @@ could look like::
 	}
 	#endif
 
-dma_request_slave_channel() will call xlate_func() for each registered DMA
-controller. In the xlate function the proper channel must be chosen based on
+dma_request_chan() will call xlate_func() for each registered DMA controller.
+In the xlate function the proper channel must be chosen based on
 information in struct acpi_dma_spec and the properties of the controller
 provided by struct acpi_dma.
 
-Clients must call dma_request_slave_channel() with the string parameter that
-corresponds to a specific FixedDMA resource. By default "tx" means the first
-entry of the FixedDMA resource array, "rx" means the second entry. The table
-below shows a layout::
+Clients must call dma_request_chan() with the string parameter that corresponds
+to a specific FixedDMA resource. By default "tx" means the first entry of the
+FixedDMA resource array, "rx" means the second entry. The table below shows a
+layout::
 
 	Device (I2C0)
 	{
-- 
Peter

Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
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