diff options
Diffstat (limited to 'drivers/memory/ti-emif-pm.c')
| -rw-r--r-- | drivers/memory/ti-emif-pm.c | 34 |
1 files changed, 11 insertions, 23 deletions
diff --git a/drivers/memory/ti-emif-pm.c b/drivers/memory/ti-emif-pm.c index 2250d03ea17f..df362ecc59e9 100644 --- a/drivers/memory/ti-emif-pm.c +++ b/drivers/memory/ti-emif-pm.c @@ -1,17 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * TI AM33XX SRAM EMIF Driver * * Copyright (C) 2016-2017 Texas Instruments Inc. * Dave Gerlach - * - * 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 distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/err.h> @@ -138,6 +130,9 @@ static int ti_emif_alloc_sram(struct device *dev, emif_data->pm_functions.exit_sr = sram_resume_address(emif_data, (unsigned long)ti_emif_exit_sr); + emif_data->pm_functions.run_hw_leveling = + sram_resume_address(emif_data, + (unsigned long)ti_emif_run_hw_leveling); emif_data->pm_data.regs_virt = (struct emif_regs_amx3 *)emif_data->ti_emif_sram_data_virt; @@ -253,7 +248,7 @@ MODULE_DEVICE_TABLE(of, ti_emif_of_match); static int ti_emif_resume(struct device *dev) { unsigned long tmp = - __raw_readl((void *)emif_instance->ti_emif_sram_virt); + __raw_readl((void __iomem *)emif_instance->ti_emif_sram_virt); /* * Check to see if what we are copying is already present in the @@ -282,22 +277,17 @@ static int ti_emif_probe(struct platform_device *pdev) int ret; struct resource *res; struct device *dev = &pdev->dev; - const struct of_device_id *match; struct ti_emif_data *emif_data; emif_data = devm_kzalloc(dev, sizeof(*emif_data), GFP_KERNEL); if (!emif_data) return -ENOMEM; - match = of_match_device(ti_emif_of_match, &pdev->dev); - if (!match) - return -ENODEV; + emif_data->pm_data.ti_emif_sram_config = (unsigned long) device_get_match_data(&pdev->dev); - emif_data->pm_data.ti_emif_sram_config = (unsigned long)match->data; - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - emif_data->pm_data.ti_emif_base_addr_virt = devm_ioremap_resource(dev, - res); + emif_data->pm_data.ti_emif_base_addr_virt = devm_platform_get_and_ioremap_resource(pdev, + 0, + &res); if (IS_ERR(emif_data->pm_data.ti_emif_base_addr_virt)) { ret = PTR_ERR(emif_data->pm_data.ti_emif_base_addr_virt); return ret; @@ -325,15 +315,13 @@ fail_free_sram: return ret; } -static int ti_emif_remove(struct platform_device *pdev) +static void ti_emif_remove(struct platform_device *pdev) { struct ti_emif_data *emif_data = emif_instance; emif_instance = NULL; ti_emif_free_sram(emif_data); - - return 0; } static const struct dev_pm_ops ti_emif_pm_ops = { @@ -345,7 +333,7 @@ static struct platform_driver ti_emif_driver = { .remove = ti_emif_remove, .driver = { .name = KBUILD_MODNAME, - .of_match_table = of_match_ptr(ti_emif_of_match), + .of_match_table = ti_emif_of_match, .pm = &ti_emif_pm_ops, }, }; |