spi: hisi-kunpeng: switch to use modern name
Change legacy name master to modern name host. No functional changed. Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Link: https://lore.kernel.org/r/20230728093221.3312026-21-yangyingliang@huawei.com Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Yang Yingliang
Mark Brown
Родитель
eefc6c5c24
Коммит
9f5890466e
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@ -164,10 +164,10 @@ static int hisi_spi_debugfs_init(struct hisi_spi *hs)
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{
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char name[32];
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struct spi_controller *master;
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struct spi_controller *host;
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master = container_of(hs->dev, struct spi_controller, dev);
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snprintf(name, 32, "hisi_spi%d", master->bus_num);
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host = container_of(hs->dev, struct spi_controller, dev);
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snprintf(name, 32, "hisi_spi%d", host->bus_num);
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hs->debugfs = debugfs_create_dir(name, NULL);
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if (IS_ERR(hs->debugfs))
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return -ENOMEM;
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@ -291,18 +291,18 @@ static void __hisi_calc_div_reg(struct hisi_chip_data *chip)
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chip->div_post = (chip->clk_div / chip->div_pre) - 1;
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}
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static u32 hisi_calc_effective_speed(struct spi_controller *master,
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static u32 hisi_calc_effective_speed(struct spi_controller *host,
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struct hisi_chip_data *chip, u32 speed_hz)
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{
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u32 effective_speed;
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/* Note clock divider doesn't support odd numbers */
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chip->clk_div = DIV_ROUND_UP(master->max_speed_hz, speed_hz) + 1;
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chip->clk_div = DIV_ROUND_UP(host->max_speed_hz, speed_hz) + 1;
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chip->clk_div &= 0xfffe;
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if (chip->clk_div > CLK_DIV_MAX)
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chip->clk_div = CLK_DIV_MAX;
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effective_speed = master->max_speed_hz / chip->clk_div;
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effective_speed = host->max_speed_hz / chip->clk_div;
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if (chip->speed_hz != effective_speed) {
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__hisi_calc_div_reg(chip);
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chip->speed_hz = effective_speed;
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@ -336,20 +336,20 @@ static void hisi_spi_hw_init(struct hisi_spi *hs)
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static irqreturn_t hisi_spi_irq(int irq, void *dev_id)
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{
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struct spi_controller *master = dev_id;
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struct hisi_spi *hs = spi_controller_get_devdata(master);
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struct spi_controller *host = dev_id;
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struct hisi_spi *hs = spi_controller_get_devdata(host);
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u32 irq_status = readl(hs->regs + HISI_SPI_ISR) & ISR_MASK;
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if (!irq_status)
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return IRQ_NONE;
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if (!master->cur_msg)
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if (!host->cur_msg)
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return IRQ_HANDLED;
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/* Error handling */
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if (irq_status & ISR_RXOF) {
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dev_err(hs->dev, "interrupt_transfer: fifo overflow\n");
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master->cur_msg->status = -EIO;
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host->cur_msg->status = -EIO;
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goto finalize_transfer;
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}
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@ -369,20 +369,20 @@ static irqreturn_t hisi_spi_irq(int irq, void *dev_id)
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finalize_transfer:
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hisi_spi_disable(hs);
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spi_finalize_current_transfer(master);
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spi_finalize_current_transfer(host);
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return IRQ_HANDLED;
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}
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static int hisi_spi_transfer_one(struct spi_controller *master,
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static int hisi_spi_transfer_one(struct spi_controller *host,
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struct spi_device *spi, struct spi_transfer *transfer)
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{
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struct hisi_spi *hs = spi_controller_get_devdata(master);
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struct hisi_spi *hs = spi_controller_get_devdata(host);
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struct hisi_chip_data *chip = spi_get_ctldata(spi);
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u32 cr = chip->cr;
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/* Update per transfer options for speed and bpw */
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transfer->effective_speed_hz =
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hisi_calc_effective_speed(master, chip, transfer->speed_hz);
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hisi_calc_effective_speed(host, chip, transfer->speed_hz);
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cr |= FIELD_PREP(CR_DIV_PRE_MASK, chip->div_pre);
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cr |= FIELD_PREP(CR_DIV_POST_MASK, chip->div_post);
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cr |= FIELD_PREP(CR_BPW_MASK, transfer->bits_per_word - 1);
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@ -409,10 +409,10 @@ static int hisi_spi_transfer_one(struct spi_controller *master,
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return 1;
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}
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static void hisi_spi_handle_err(struct spi_controller *master,
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static void hisi_spi_handle_err(struct spi_controller *host,
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struct spi_message *msg)
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{
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struct hisi_spi *hs = spi_controller_get_devdata(master);
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struct hisi_spi *hs = spi_controller_get_devdata(host);
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hisi_spi_disable(hs);
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@ -452,7 +452,7 @@ static void hisi_spi_cleanup(struct spi_device *spi)
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static int hisi_spi_probe(struct platform_device *pdev)
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{
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struct device *dev = &pdev->dev;
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struct spi_controller *master;
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struct spi_controller *host;
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struct hisi_spi *hs;
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int ret, irq;
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@ -460,13 +460,13 @@ static int hisi_spi_probe(struct platform_device *pdev)
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if (irq < 0)
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return irq;
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master = devm_spi_alloc_master(dev, sizeof(*hs));
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if (!master)
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host = devm_spi_alloc_host(dev, sizeof(*hs));
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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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hs = spi_controller_get_devdata(master);
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hs = spi_controller_get_devdata(host);
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hs->dev = dev;
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hs->irq = irq;
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@ -474,9 +474,9 @@ static int hisi_spi_probe(struct platform_device *pdev)
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if (IS_ERR(hs->regs))
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return PTR_ERR(hs->regs);
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/* Specify maximum SPI clocking speed (master only) by firmware */
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/* Specify maximum SPI clocking speed (host only) by firmware */
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ret = device_property_read_u32(dev, "spi-max-frequency",
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&master->max_speed_hz);
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&host->max_speed_hz);
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if (ret) {
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dev_err(dev, "failed to get max SPI clocking speed, ret=%d\n",
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ret);
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@ -484,32 +484,32 @@ static int hisi_spi_probe(struct platform_device *pdev)
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}
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ret = device_property_read_u16(dev, "num-cs",
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&master->num_chipselect);
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&host->num_chipselect);
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if (ret)
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master->num_chipselect = DEFAULT_NUM_CS;
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host->num_chipselect = DEFAULT_NUM_CS;
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master->use_gpio_descriptors = true;
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master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LOOP;
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master->bits_per_word_mask = SPI_BPW_RANGE_MASK(4, 32);
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master->bus_num = pdev->id;
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master->setup = hisi_spi_setup;
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master->cleanup = hisi_spi_cleanup;
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master->transfer_one = hisi_spi_transfer_one;
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master->handle_err = hisi_spi_handle_err;
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master->dev.fwnode = dev->fwnode;
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host->use_gpio_descriptors = true;
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host->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LOOP;
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host->bits_per_word_mask = SPI_BPW_RANGE_MASK(4, 32);
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host->bus_num = pdev->id;
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host->setup = hisi_spi_setup;
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host->cleanup = hisi_spi_cleanup;
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host->transfer_one = hisi_spi_transfer_one;
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host->handle_err = hisi_spi_handle_err;
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host->dev.fwnode = dev->fwnode;
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hisi_spi_hw_init(hs);
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ret = devm_request_irq(dev, hs->irq, hisi_spi_irq, 0, dev_name(dev),
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master);
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host);
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if (ret < 0) {
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dev_err(dev, "failed to get IRQ=%d, ret=%d\n", hs->irq, ret);
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return ret;
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}
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ret = spi_register_controller(master);
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ret = spi_register_controller(host);
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if (ret) {
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dev_err(dev, "failed to register spi master, ret=%d\n", ret);
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dev_err(dev, "failed to register spi host, ret=%d\n", ret);
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return ret;
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}
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@ -518,18 +518,18 @@ static int hisi_spi_probe(struct platform_device *pdev)
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dev_info(dev, "hw version:0x%x max-freq:%u kHz\n",
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readl(hs->regs + HISI_SPI_VERSION),
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master->max_speed_hz / 1000);
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host->max_speed_hz / 1000);
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return 0;
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}
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static void hisi_spi_remove(struct platform_device *pdev)
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{
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struct spi_controller *master = platform_get_drvdata(pdev);
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struct hisi_spi *hs = spi_controller_get_devdata(master);
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struct spi_controller *host = platform_get_drvdata(pdev);
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struct hisi_spi *hs = spi_controller_get_devdata(host);
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debugfs_remove_recursive(hs->debugfs);
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spi_unregister_controller(master);
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spi_unregister_controller(host);
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}
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static const struct acpi_device_id hisi_spi_acpi_match[] = {
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