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