diff options
Diffstat (limited to 'drivers/net/wireless/ti/wlcore/spi.c')
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/spi.c | 41 |
1 files changed, 10 insertions, 31 deletions
diff --git a/drivers/net/wireless/ti/wlcore/spi.c b/drivers/net/wireless/ti/wlcore/spi.c index 62ce54a949e9..0aa2b2f3c5c9 100644 --- a/drivers/net/wireless/ti/wlcore/spi.c +++ b/drivers/net/wireless/ti/wlcore/spi.c @@ -1,24 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * This file is part of wl1271 * * Copyright (C) 2008-2009 Nokia Corporation * * Contact: Luciano Coelho <luciano.coelho@nokia.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. - * - * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * */ #include <linux/interrupt.h> @@ -28,7 +14,6 @@ #include <linux/swab.h> #include <linux/crc7.h> #include <linux/spi/spi.h> -#include <linux/wl12xx.h> #include <linux/platform_device.h> #include <linux/of_irq.h> #include <linux/regulator/consumer.h> @@ -200,7 +185,7 @@ static void wl12xx_spi_init(struct device *child) spi_sync(to_spi_device(glue->dev), &m); - /* Restore chip select configration to normal */ + /* Restore chip select configuration to normal */ spi->mode ^= SPI_CS_HIGH; kfree(cmd); } @@ -405,7 +390,7 @@ static int wl12xx_spi_set_power(struct device *child, bool enable) return ret; } -/** +/* * wl12xx_spi_set_block_size * * This function is not needed for spi mode, but need to be present. @@ -445,7 +430,6 @@ MODULE_DEVICE_TABLE(of, wlcore_spi_of_match_table); /** * wlcore_probe_of - DT node parsing. * @spi: SPI slave device parameters. - * @res: resource parameters. * @glue: wl12xx SPI bus to slave device glue parameters. * @pdev_data: wlcore device parameters */ @@ -463,8 +447,7 @@ static int wlcore_probe_of(struct spi_device *spi, struct wl12xx_spi_glue *glue, dev_info(&spi->dev, "selected chip family is %s\n", pdev_data->family->name); - if (of_find_property(dt_node, "clock-xtal", NULL)) - pdev_data->ref_clock_xtal = true; + pdev_data->ref_clock_xtal = of_property_read_bool(dt_node, "clock-xtal"); /* optional clock frequency params */ of_property_read_u32(dt_node, "ref-clock-frequency", @@ -503,12 +486,9 @@ static int wl1271_probe(struct spi_device *spi) spi->bits_per_word = 32; glue->reg = devm_regulator_get(&spi->dev, "vwlan"); - if (PTR_ERR(glue->reg) == -EPROBE_DEFER) - return -EPROBE_DEFER; - if (IS_ERR(glue->reg)) { - dev_err(glue->dev, "can't get regulator\n"); - return PTR_ERR(glue->reg); - } + if (IS_ERR(glue->reg)) + return dev_err_probe(glue->dev, PTR_ERR(glue->reg), + "can't get regulator\n"); ret = wlcore_probe_of(spi, glue, pdev_data); if (ret) { @@ -564,19 +544,17 @@ out_dev_put: return ret; } -static int wl1271_remove(struct spi_device *spi) +static void wl1271_remove(struct spi_device *spi) { struct wl12xx_spi_glue *glue = spi_get_drvdata(spi); platform_device_unregister(glue->core); - - return 0; } static struct spi_driver wl1271_spi_driver = { .driver = { .name = "wl1271_spi", - .of_match_table = of_match_ptr(wlcore_spi_of_match_table), + .of_match_table = wlcore_spi_of_match_table, }, .probe = wl1271_probe, @@ -584,6 +562,7 @@ static struct spi_driver wl1271_spi_driver = { }; module_spi_driver(wl1271_spi_driver); +MODULE_DESCRIPTION("TI WLAN SPI helpers"); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>"); MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>"); |