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spi: st-ssc4: 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://msgid.link/r/20231128093031.3707034-4-yangyingliang@huawei.com Signed-off-by: Mark Brown <broonie@kernel.org>
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8c53784757
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@ -6,7 +6,7 @@
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* Patrice Chotard <patrice.chotard@st.com>
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* Lee Jones <lee.jones@linaro.org>
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*
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* SPI master mode controller driver, used in STMicroelectronics devices.
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* SPI host mode controller driver, used in STMicroelectronics devices.
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*/
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#include <linux/clk.h>
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@ -115,10 +115,10 @@ static void ssc_read_rx_fifo(struct spi_st *spi_st)
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spi_st->words_remaining -= count;
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}
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static int spi_st_transfer_one(struct spi_master *master,
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static int spi_st_transfer_one(struct spi_controller *host,
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struct spi_device *spi, struct spi_transfer *t)
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{
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struct spi_st *spi_st = spi_master_get_devdata(master);
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struct spi_st *spi_st = spi_controller_get_devdata(host);
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uint32_t ctl = 0;
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/* Setup transfer */
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@ -165,7 +165,7 @@ static int spi_st_transfer_one(struct spi_master *master,
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if (ctl)
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writel_relaxed(ctl, spi_st->base + SSC_CTL);
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spi_finalize_current_transfer(spi->master);
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spi_finalize_current_transfer(spi->controller);
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return t->len;
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}
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@ -174,7 +174,7 @@ static int spi_st_transfer_one(struct spi_master *master,
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#define MODEBITS (SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST | SPI_LOOP | SPI_CS_HIGH)
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static int spi_st_setup(struct spi_device *spi)
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{
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struct spi_st *spi_st = spi_master_get_devdata(spi->master);
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struct spi_st *spi_st = spi_controller_get_devdata(spi->controller);
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u32 spi_st_clk, sscbrg, var;
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u32 hz = spi->max_speed_hz;
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@ -274,35 +274,35 @@ static irqreturn_t spi_st_irq(int irq, void *dev_id)
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static int spi_st_probe(struct platform_device *pdev)
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{
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struct device_node *np = pdev->dev.of_node;
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struct spi_master *master;
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struct spi_controller *host;
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struct spi_st *spi_st;
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int irq, ret = 0;
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u32 var;
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master = spi_alloc_master(&pdev->dev, sizeof(*spi_st));
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if (!master)
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host = spi_alloc_host(&pdev->dev, sizeof(*spi_st));
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if (!host)
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return -ENOMEM;
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master->dev.of_node = np;
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master->mode_bits = MODEBITS;
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master->setup = spi_st_setup;
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master->transfer_one = spi_st_transfer_one;
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master->bits_per_word_mask = SPI_BPW_MASK(8) | SPI_BPW_MASK(16);
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master->auto_runtime_pm = true;
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master->bus_num = pdev->id;
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master->use_gpio_descriptors = true;
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spi_st = spi_master_get_devdata(master);
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host->dev.of_node = np;
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host->mode_bits = MODEBITS;
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host->setup = spi_st_setup;
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host->transfer_one = spi_st_transfer_one;
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host->bits_per_word_mask = SPI_BPW_MASK(8) | SPI_BPW_MASK(16);
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host->auto_runtime_pm = true;
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host->bus_num = pdev->id;
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host->use_gpio_descriptors = true;
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spi_st = spi_controller_get_devdata(host);
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spi_st->clk = devm_clk_get(&pdev->dev, "ssc");
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if (IS_ERR(spi_st->clk)) {
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dev_err(&pdev->dev, "Unable to request clock\n");
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ret = PTR_ERR(spi_st->clk);
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goto put_master;
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goto put_host;
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}
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ret = clk_prepare_enable(spi_st->clk);
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if (ret)
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goto put_master;
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goto put_host;
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init_completion(&spi_st->done);
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@ -324,7 +324,7 @@ static int spi_st_probe(struct platform_device *pdev)
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var &= ~SSC_CTL_SR;
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writel_relaxed(var, spi_st->base + SSC_CTL);
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/* Set SSC into slave mode before reconfiguring PIO pins */
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/* Set SSC into target mode before reconfiguring PIO pins */
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var = readl_relaxed(spi_st->base + SSC_CTL);
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var &= ~SSC_CTL_MS;
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writel_relaxed(var, spi_st->base + SSC_CTL);
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@ -347,11 +347,11 @@ static int spi_st_probe(struct platform_device *pdev)
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pm_runtime_set_active(&pdev->dev);
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pm_runtime_enable(&pdev->dev);
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platform_set_drvdata(pdev, master);
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platform_set_drvdata(pdev, host);
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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, "Failed to register master\n");
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dev_err(&pdev->dev, "Failed to register host\n");
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goto rpm_disable;
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}
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@ -361,15 +361,15 @@ static int spi_st_probe(struct platform_device *pdev)
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pm_runtime_disable(&pdev->dev);
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clk_disable:
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clk_disable_unprepare(spi_st->clk);
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put_master:
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spi_master_put(master);
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put_host:
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spi_controller_put(host);
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return ret;
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}
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static void spi_st_remove(struct platform_device *pdev)
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{
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struct spi_master *master = platform_get_drvdata(pdev);
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struct spi_st *spi_st = spi_master_get_devdata(master);
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struct spi_controller *host = platform_get_drvdata(pdev);
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struct spi_st *spi_st = spi_controller_get_devdata(host);
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pm_runtime_disable(&pdev->dev);
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@ -381,8 +381,8 @@ static void spi_st_remove(struct platform_device *pdev)
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#ifdef CONFIG_PM
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static int spi_st_runtime_suspend(struct device *dev)
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{
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struct spi_master *master = dev_get_drvdata(dev);
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struct spi_st *spi_st = spi_master_get_devdata(master);
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struct spi_controller *host = dev_get_drvdata(dev);
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struct spi_st *spi_st = spi_controller_get_devdata(host);
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writel_relaxed(0, spi_st->base + SSC_IEN);
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pinctrl_pm_select_sleep_state(dev);
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@ -394,8 +394,8 @@ static int spi_st_runtime_suspend(struct device *dev)
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static int spi_st_runtime_resume(struct device *dev)
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{
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struct spi_master *master = dev_get_drvdata(dev);
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struct spi_st *spi_st = spi_master_get_devdata(master);
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struct spi_controller *host = dev_get_drvdata(dev);
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struct spi_st *spi_st = spi_controller_get_devdata(host);
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int ret;
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ret = clk_prepare_enable(spi_st->clk);
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@ -408,10 +408,10 @@ static int spi_st_runtime_resume(struct device *dev)
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#ifdef CONFIG_PM_SLEEP
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static int spi_st_suspend(struct device *dev)
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{
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struct spi_master *master = dev_get_drvdata(dev);
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struct spi_controller *host = dev_get_drvdata(dev);
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int ret;
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ret = spi_master_suspend(master);
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ret = spi_controller_suspend(host);
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if (ret)
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return ret;
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@ -420,10 +420,10 @@ static int spi_st_suspend(struct device *dev)
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static int spi_st_resume(struct device *dev)
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{
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struct spi_master *master = dev_get_drvdata(dev);
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struct spi_controller *host = dev_get_drvdata(dev);
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int ret;
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ret = spi_master_resume(master);
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ret = spi_controller_resume(host);
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if (ret)
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return ret;
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