mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

spi: lp-8841: switch to use modern name 

Change legacy name master/slave to modern name host/target or controller.

No functional changed.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20230823033003.3407403-3-yangyingliang@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Yang Yingliang 2023-08-23 11:29:44 +08:00 committed by Mark Brown
parent 7c5d1d9787
commit 48815830a9
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 28 additions and 28 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

56
drivers/spi/spi-lp8841-rtc.c
View File

@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* SPI master driver for ICP DAS LP-8841 RTC
* SPI host driver for ICP DAS LP-8841 RTC
*
* Copyright (C) 2016 Sergei Ianovich
*
@ -73,13 +73,13 @@ bitbang_txrx_be_cpha0_lsb(struct spi_lp8841_rtc *data,
/* clock starts at inactive polarity */
for (; likely(bits); bits--) {
/* setup LSB (to slave) on leading edge */
/* setup LSB (to target) on leading edge */
if ((flags & SPI_CONTROLLER_NO_TX) == 0)
setmosi(data, (word & 1));
usleep_range(usecs, usecs + 1); /* T(setup) */
/* sample LSB (from slave) on trailing edge */
/* sample LSB (from target) on trailing edge */
word >>= 1;
if ((flags & SPI_CONTROLLER_NO_RX) == 0)
word |= (getmiso(data) << 31);
@ -95,11 +95,11 @@ bitbang_txrx_be_cpha0_lsb(struct spi_lp8841_rtc *data,
}
static int
spi_lp8841_rtc_transfer_one(struct spi_master *master,
spi_lp8841_rtc_transfer_one(struct spi_controller *host,
struct spi_device *spi,
struct spi_transfer *t)
{
struct spi_lp8841_rtc *data = spi_master_get_devdata(master);
struct spi_lp8841_rtc *data = spi_controller_get_devdata(host);
unsigned count = t->len;
const u8 *tx = t->tx_buf;
u8 *rx = t->rx_buf;
@ -128,7 +128,7 @@ spi_lp8841_rtc_transfer_one(struct spi_master *master,
ret = -EINVAL;
}
spi_finalize_current_transfer(master);
spi_finalize_current_transfer(host);
return ret;
}
@ -136,7 +136,7 @@ spi_lp8841_rtc_transfer_one(struct spi_master *master,
static void
spi_lp8841_rtc_set_cs(struct spi_device *spi, bool enable)
{
struct spi_lp8841_rtc *data = spi_master_get_devdata(spi->master);
struct spi_lp8841_rtc *data = spi_controller_get_devdata(spi->controller);
data->state = 0;
writeb(data->state, data->iomem);
@ -182,48 +182,48 @@ static int
spi_lp8841_rtc_probe(struct platform_device *pdev)
{
int ret;
struct spi_master *master;
struct spi_controller *host;
struct spi_lp8841_rtc *data;
master = spi_alloc_master(&pdev->dev, sizeof(*data));
if (!master)
host = spi_alloc_host(&pdev->dev, sizeof(*data));
if (!host)
return -ENOMEM;
platform_set_drvdata(pdev, master);
platform_set_drvdata(pdev, host);
master->flags = SPI_CONTROLLER_HALF_DUPLEX;
master->mode_bits = SPI_CS_HIGH | SPI_3WIRE | SPI_LSB_FIRST;
host->flags = SPI_CONTROLLER_HALF_DUPLEX;
host->mode_bits = SPI_CS_HIGH | SPI_3WIRE | SPI_LSB_FIRST;
master->bus_num = pdev->id;
master->num_chipselect = 1;
master->setup = spi_lp8841_rtc_setup;
master->set_cs = spi_lp8841_rtc_set_cs;
master->transfer_one = spi_lp8841_rtc_transfer_one;
master->bits_per_word_mask = SPI_BPW_MASK(8);
host->bus_num = pdev->id;
host->num_chipselect = 1;
host->setup = spi_lp8841_rtc_setup;
host->set_cs = spi_lp8841_rtc_set_cs;
host->transfer_one = spi_lp8841_rtc_transfer_one;
host->bits_per_word_mask = SPI_BPW_MASK(8);
#ifdef CONFIG_OF
master->dev.of_node = pdev->dev.of_node;
host->dev.of_node = pdev->dev.of_node;
#endif
data = spi_master_get_devdata(master);
data = spi_controller_get_devdata(host);
data->iomem = devm_platform_ioremap_resource(pdev, 0);
ret = PTR_ERR_OR_ZERO(data->iomem);
if (ret) {
dev_err(&pdev->dev, "failed to get IO address\n");
goto err_put_master;
goto err_put_host;
}
/* register with the SPI framework */
ret = devm_spi_register_master(&pdev->dev, master);
ret = devm_spi_register_controller(&pdev->dev, host);
if (ret) {
dev_err(&pdev->dev, "cannot register spi master\n");
goto err_put_master;
dev_err(&pdev->dev, "cannot register spi host\n");
goto err_put_host;
}
return ret;
err_put_master:
spi_master_put(master);
err_put_host:
spi_controller_put(host);
return ret;
}
@ -239,6 +239,6 @@ static struct platform_driver spi_lp8841_rtc_driver = {
};
module_platform_driver(spi_lp8841_rtc_driver);
MODULE_DESCRIPTION("SPI master driver for ICP DAS LP-8841 RTC");
MODULE_DESCRIPTION("SPI host driver for ICP DAS LP-8841 RTC");
MODULE_AUTHOR("Sergei Ianovich");
MODULE_LICENSE("GPL");