diff options
Diffstat (limited to 'drivers/mfd/atmel-smc.c')
| -rw-r--r-- | drivers/mfd/atmel-smc.c | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/drivers/mfd/atmel-smc.c b/drivers/mfd/atmel-smc.c index 0adbd2e796fe..0a5b42c83f17 100644 --- a/drivers/mfd/atmel-smc.c +++ b/drivers/mfd/atmel-smc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Atmel SMC (Static Memory Controller) helper functions. * @@ -5,15 +6,18 @@ * Copyright (C) 2017 Free Electrons * * Author: Boris Brezillon <boris.brezillon@free-electrons.com> - * - * 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. */ -#include <linux/mfd/syscon/atmel-smc.h> +#include <linux/bits.h> +#include <linux/err.h> +#include <linux/export.h> +#include <linux/mod_devicetable.h> +#include <linux/of.h> +#include <linux/regmap.h> #include <linux/string.h> +#include <linux/mfd/syscon/atmel-smc.h> + /** * atmel_smc_cs_conf_init - initialize a SMC CS conf * @conf: the SMC CS conf to initialize @@ -240,10 +244,10 @@ EXPORT_SYMBOL_GPL(atmel_smc_cs_conf_set_cycle); * atmel_smc_cs_conf_apply - apply an SMC CS conf * @regmap: the SMC regmap * @cs: the CS id - * @conf the SMC CS conf to apply + * @conf: the SMC CS conf to apply * * Applies an SMC CS configuration. - * Only valid on at91sam9/avr32 SoCs. + * Only valid on at91sam9 SoCs. */ void atmel_smc_cs_conf_apply(struct regmap *regmap, int cs, const struct atmel_smc_cs_conf *conf) @@ -258,9 +262,9 @@ EXPORT_SYMBOL_GPL(atmel_smc_cs_conf_apply); /** * atmel_hsmc_cs_conf_apply - apply an SMC CS conf * @regmap: the HSMC regmap - * @cs: the CS id * @layout: the layout of registers - * @conf the SMC CS conf to apply + * @cs: the CS id + * @conf: the SMC CS conf to apply * * Applies an SMC CS configuration. * Only valid on post-sama5 SoCs. @@ -284,7 +288,7 @@ EXPORT_SYMBOL_GPL(atmel_hsmc_cs_conf_apply); * @conf: the SMC CS conf object to store the current conf * * Retrieve the SMC CS configuration. - * Only valid on at91sam9/avr32 SoCs. + * Only valid on at91sam9 SoCs. */ void atmel_smc_cs_conf_get(struct regmap *regmap, int cs, struct atmel_smc_cs_conf *conf) @@ -299,8 +303,8 @@ EXPORT_SYMBOL_GPL(atmel_smc_cs_conf_get); /** * atmel_hsmc_cs_conf_get - retrieve the current SMC CS conf * @regmap: the HSMC regmap - * @cs: the CS id * @layout: the layout of registers + * @cs: the CS id * @conf: the SMC CS conf object to store the current conf * * Retrieve the SMC CS configuration. @@ -326,7 +330,7 @@ static const struct atmel_hsmc_reg_layout sama5d2_reg_layout = { .timing_regs_offset = 0x700, }; -static const struct of_device_id atmel_smc_ids[] = { +static const struct of_device_id atmel_smc_ids[] __maybe_unused = { { .compatible = "atmel,at91sam9260-smc", .data = NULL }, { .compatible = "atmel,sama5d3-smc", .data = &sama5d3_reg_layout }, { .compatible = "atmel,sama5d2-smc", .data = &sama5d2_reg_layout }, |