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memory: ti-aemif: remove platform data support

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There are no longer any users of the ti-aemif driver that set up platform
data from board files. We can shrink the driver by removing support for
it.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/r/20240809-ti-aemif-v1-1-27b1e5001390@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
This commit is contained in:
Bartosz Golaszewski
2024-08-09 16:15:54 +02:00
committed by Krzysztof Kozlowski
parent e3e4e77140
commit 8c38617722
2 changed files with 1 additions and 69 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/memory/ti-aemif.c
+1 -24
View File
@@ -17,7 +17,6 @@
#include <linux/of.h>
#include <linux/of_platform.h>
#include <linux/platform_device.h>
#include <linux/platform_data/ti-aemif.h>
#define TA_SHIFT 2
#define RHOLD_SHIFT 4
@@ -332,16 +331,11 @@ static int aemif_probe(struct platform_device *pdev)
struct device_node *np = dev->of_node;
struct device_node *child_np;
struct aemif_device *aemif;
struct aemif_platform_data *pdata;
struct of_dev_auxdata *dev_lookup;
aemif = devm_kzalloc(dev, sizeof(*aemif), GFP_KERNEL);
if (!aemif)
return -ENOMEM;
pdata = dev_get_platdata(&pdev->dev);
dev_lookup = pdata ? pdata->dev_lookup : NULL;
platform_set_drvdata(pdev, aemif);
aemif->clk = devm_clk_get(dev, NULL);
@@ -358,8 +352,6 @@ static int aemif_probe(struct platform_device *pdev)
if (np && of_device_is_compatible(np, "ti,da850-aemif"))
aemif->cs_offset = 2;
else if (pdata)
aemif->cs_offset = pdata->cs_offset;
aemif->base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(aemif->base)) {
@@ -381,11 +373,6 @@ static int aemif_probe(struct platform_device *pdev)
goto error;
}
}
} else if (pdata && pdata->num_abus_data > 0) {
for (i = 0; i < pdata->num_abus_data; i++, aemif->num_cs++) {
aemif->cs_data[i].cs = pdata->abus_data[i].cs;
aemif_get_hw_params(pdev, i);
}
}
for (i = 0; i < aemif->num_cs; i++) {
@@ -403,22 +390,12 @@ static int aemif_probe(struct platform_device *pdev)
*/
if (np) {
for_each_available_child_of_node(np, child_np) {
ret = of_platform_populate(child_np, NULL,
dev_lookup, dev);
ret = of_platform_populate(child_np, NULL, NULL, dev);
if (ret < 0) {
of_node_put(child_np);
goto error;
}
}
} else if (pdata) {
for (i = 0; i < pdata->num_sub_devices; i++) {
pdata->sub_devices[i].dev.parent = dev;
ret = platform_device_register(&pdata->sub_devices[i]);
if (ret) {
dev_warn(dev, "Error register sub device %s\n",
pdata->sub_devices[i].name);
}
}
}
return 0;
include/linux/platform_data/ti-aemif.h
-45
View File
@@ -1,45 +0,0 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* TI DaVinci AEMIF platform glue.
*
* Copyright (C) 2017 BayLibre SAS
*
* Author:
* Bartosz Golaszewski <bgolaszewski@baylibre.com>
*/
#ifndef __TI_DAVINCI_AEMIF_DATA_H__
#define __TI_DAVINCI_AEMIF_DATA_H__
#include <linux/of_platform.h>
/**
* struct aemif_abus_data - Async bus configuration parameters.
*
* @cs - Chip-select number.
*/
struct aemif_abus_data {
u32 cs;
};
/**
* struct aemif_platform_data - Data to set up the TI aemif driver.
*
* @dev_lookup: of_dev_auxdata passed to of_platform_populate() for aemif
* subdevices.
* @cs_offset: Lowest allowed chip-select number.
* @abus_data: Array of async bus configuration entries.
* @num_abus_data: Number of abus entries.
* @sub_devices: Array of platform subdevices.
* @num_sub_devices: Number of subdevices.
*/
struct aemif_platform_data {
struct of_dev_auxdata *dev_lookup;
u32 cs_offset;
struct aemif_abus_data *abus_data;
size_t num_abus_data;
struct platform_device *sub_devices;
size_t num_sub_devices;
};
#endif /* __TI_DAVINCI_AEMIF_DATA_H__ */