Files
android_kernel_xiaomi_sm8450/drivers/mtd/nand/raw/bcm47xxnflash/main.c
Thomas Gleixner d2912cb15b treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
Based on 2 normalized pattern(s):

  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

  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 #

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 4122 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-19 17:09:55 +02:00

78 lines
1.7 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* BCM47XX NAND flash driver
*
* Copyright (C) 2012 Rafał Miłecki <zajec5@gmail.com>
*/
#include "bcm47xxnflash.h"
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/platform_device.h>
#include <linux/bcma/bcma.h>
MODULE_DESCRIPTION("NAND flash driver for BCMA bus");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Rafał Miłecki");
static const char *probes[] = { "bcm47xxpart", NULL };
static int bcm47xxnflash_probe(struct platform_device *pdev)
{
struct bcma_nflash *nflash = dev_get_platdata(&pdev->dev);
struct bcm47xxnflash *b47n;
struct mtd_info *mtd;
int err = 0;
b47n = devm_kzalloc(&pdev->dev, sizeof(*b47n), GFP_KERNEL);
if (!b47n)
return -ENOMEM;
nand_set_controller_data(&b47n->nand_chip, b47n);
mtd = nand_to_mtd(&b47n->nand_chip);
mtd->dev.parent = &pdev->dev;
b47n->cc = container_of(nflash, struct bcma_drv_cc, nflash);
if (b47n->cc->core->bus->chipinfo.id == BCMA_CHIP_ID_BCM4706) {
err = bcm47xxnflash_ops_bcm4706_init(b47n);
} else {
pr_err("Device not supported\n");
err = -ENOTSUPP;
}
if (err) {
pr_err("Initialization failed: %d\n", err);
return err;
}
platform_set_drvdata(pdev, b47n);
err = mtd_device_parse_register(mtd, probes, NULL, NULL, 0);
if (err) {
pr_err("Failed to register MTD device: %d\n", err);
return err;
}
return 0;
}
static int bcm47xxnflash_remove(struct platform_device *pdev)
{
struct bcm47xxnflash *nflash = platform_get_drvdata(pdev);
nand_release(&nflash->nand_chip);
return 0;
}
static struct platform_driver bcm47xxnflash_driver = {
.probe = bcm47xxnflash_probe,
.remove = bcm47xxnflash_remove,
.driver = {
.name = "bcma_nflash",
},
};
module_platform_driver(bcm47xxnflash_driver);