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spi: stm32: switch to use modern name
Change legacy name master/slave to modern name host/target. No functional changed. Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Link: https://msgid.link/r/20231128093031.3707034-6-yangyingliang@huawei.com Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -180,7 +180,7 @@
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#define SPI_DMA_MIN_BYTES 16
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/* STM32 SPI driver helpers */
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#define STM32_SPI_MASTER_MODE(stm32_spi) (!(stm32_spi)->device_mode)
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#define STM32_SPI_HOST_MODE(stm32_spi) (!(stm32_spi)->device_mode)
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#define STM32_SPI_DEVICE_MODE(stm32_spi) ((stm32_spi)->device_mode)
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/**
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@ -229,7 +229,7 @@ struct stm32_spi;
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* @get_fifo_size: routine to get fifo size
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* @get_bpw_mask: routine to get bits per word mask
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* @disable: routine to disable controller
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* @config: routine to configure controller as SPI Master
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* @config: routine to configure controller as SPI Host
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* @set_bpw: routine to configure registers to for bits per word
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* @set_mode: routine to configure registers to desired mode
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* @set_data_idleness: optional routine to configure registers to desired idle
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@ -287,7 +287,7 @@ struct stm32_spi_cfg {
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* @lock: prevent I/O concurrent access
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* @irq: SPI controller interrupt line
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* @fifo_size: size of the embedded fifo in bytes
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* @cur_midi: master inter-data idleness in ns
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* @cur_midi: host inter-data idleness in ns
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* @cur_speed: speed configured in Hz
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* @cur_half_period: time of a half bit in us
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* @cur_bpw: number of bits in a single SPI data frame
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@ -1064,7 +1064,7 @@ static int stm32_spi_prepare_msg(struct spi_controller *ctrl,
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unsigned long flags;
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u32 clrb = 0, setb = 0;
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/* SPI slave device may need time between data frames */
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/* SPI target device may need time between data frames */
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spi->cur_midi = 0;
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if (np && !of_property_read_u32(np, "st,spi-midi-ns", &spi->cur_midi))
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dev_dbg(spi->dev, "%dns inter-data idleness\n", spi->cur_midi);
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@ -1279,7 +1279,7 @@ static int stm32h7_spi_transfer_one_irq(struct stm32_spi *spi)
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if (spi->tx_buf)
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stm32h7_spi_write_txfifo(spi);
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if (STM32_SPI_MASTER_MODE(spi))
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if (STM32_SPI_HOST_MODE(spi))
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stm32_spi_set_bits(spi, STM32H7_SPI_CR1, STM32H7_SPI_CR1_CSTART);
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writel_relaxed(ier, spi->base + STM32H7_SPI_IER);
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@ -1343,7 +1343,7 @@ static void stm32h7_spi_transfer_one_dma_start(struct stm32_spi *spi)
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stm32_spi_enable(spi);
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if (STM32_SPI_MASTER_MODE(spi))
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if (STM32_SPI_HOST_MODE(spi))
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stm32_spi_set_bits(spi, STM32H7_SPI_CR1, STM32H7_SPI_CR1_CSTART);
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}
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@ -1516,7 +1516,7 @@ static void stm32h7_spi_set_bpw(struct stm32_spi *spi)
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}
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/**
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* stm32_spi_set_mbr - Configure baud rate divisor in master mode
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* stm32_spi_set_mbr - Configure baud rate divisor in host mode
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* @spi: pointer to the spi controller data structure
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* @mbrdiv: baud rate divisor value
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*/
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@ -1628,7 +1628,7 @@ static int stm32h7_spi_set_mode(struct stm32_spi *spi, unsigned int comm_type)
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/**
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* stm32h7_spi_data_idleness - configure minimum time delay inserted between two
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* consecutive data frames in master mode
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* consecutive data frames in host mode
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* @spi: pointer to the spi controller data structure
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* @len: transfer len
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*/
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@ -1697,7 +1697,7 @@ static int stm32_spi_transfer_one_setup(struct stm32_spi *spi,
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spi->cfg->set_bpw(spi);
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/* Update spi->cur_speed with real clock speed */
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if (STM32_SPI_MASTER_MODE(spi)) {
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if (STM32_SPI_HOST_MODE(spi)) {
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mbr = stm32_spi_prepare_mbr(spi, transfer->speed_hz,
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spi->cfg->baud_rate_div_min,
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spi->cfg->baud_rate_div_max);
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@ -1717,7 +1717,7 @@ static int stm32_spi_transfer_one_setup(struct stm32_spi *spi,
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spi->cur_comm = comm_type;
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if (STM32_SPI_MASTER_MODE(spi) && spi->cfg->set_data_idleness)
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if (STM32_SPI_HOST_MODE(spi) && spi->cfg->set_data_idleness)
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spi->cfg->set_data_idleness(spi, transfer->len);
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if (spi->cur_bpw <= 8)
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@ -1738,7 +1738,7 @@ static int stm32_spi_transfer_one_setup(struct stm32_spi *spi,
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dev_dbg(spi->dev,
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"data frame of %d-bit, data packet of %d data frames\n",
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spi->cur_bpw, spi->cur_fthlv);
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if (STM32_SPI_MASTER_MODE(spi))
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if (STM32_SPI_HOST_MODE(spi))
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dev_dbg(spi->dev, "speed set to %dHz\n", spi->cur_speed);
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dev_dbg(spi->dev, "transfer of %d bytes (%d data frames)\n",
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spi->cur_xferlen, nb_words);
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@ -1803,7 +1803,7 @@ static int stm32_spi_unprepare_msg(struct spi_controller *ctrl,
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}
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/**
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* stm32fx_spi_config - Configure SPI controller as SPI master
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* stm32fx_spi_config - Configure SPI controller as SPI host
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* @spi: pointer to the spi controller data structure
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*/
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static int stm32fx_spi_config(struct stm32_spi *spi)
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@ -1819,8 +1819,8 @@ static int stm32fx_spi_config(struct stm32_spi *spi)
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/*
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* - SS input value high
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* - transmitter half duplex direction
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* - Set the master mode (default Motorola mode)
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* - Consider 1 master/n slaves configuration and
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* - Set the host mode (default Motorola mode)
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* - Consider 1 host/n targets configuration and
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* SS input value is determined by the SSI bit
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*/
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stm32_spi_set_bits(spi, STM32FX_SPI_CR1, STM32FX_SPI_CR1_SSI |
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@ -1860,8 +1860,8 @@ static int stm32h7_spi_config(struct stm32_spi *spi)
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cr1 |= STM32H7_SPI_CR1_HDDIR | STM32H7_SPI_CR1_MASRX | STM32H7_SPI_CR1_SSI;
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/*
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* - Set the master mode (default Motorola mode)
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* - Consider 1 master/n devices configuration and
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* - Set the host mode (default Motorola mode)
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* - Consider 1 host/n devices configuration and
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* SS input value is determined by the SSI bit
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* - keep control of all associated GPIOs
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*/
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@ -1977,9 +1977,9 @@ static int stm32_spi_probe(struct platform_device *pdev)
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}
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if (device_mode)
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ctrl = devm_spi_alloc_slave(&pdev->dev, sizeof(struct stm32_spi));
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ctrl = devm_spi_alloc_target(&pdev->dev, sizeof(struct stm32_spi));
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else
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ctrl = devm_spi_alloc_master(&pdev->dev, sizeof(struct stm32_spi));
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ctrl = devm_spi_alloc_host(&pdev->dev, sizeof(struct stm32_spi));
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if (!ctrl) {
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dev_err(&pdev->dev, "spi controller allocation failed\n");
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return -ENOMEM;
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@ -2070,7 +2070,7 @@ static int stm32_spi_probe(struct platform_device *pdev)
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ctrl->unprepare_message = stm32_spi_unprepare_msg;
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ctrl->flags = spi->cfg->flags;
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if (STM32_SPI_DEVICE_MODE(spi))
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ctrl->slave_abort = stm32h7_spi_device_abort;
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ctrl->target_abort = stm32h7_spi_device_abort;
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spi->dma_tx = dma_request_chan(spi->dev, "tx");
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if (IS_ERR(spi->dma_tx)) {
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@ -2117,7 +2117,7 @@ static int stm32_spi_probe(struct platform_device *pdev)
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pm_runtime_put_autosuspend(&pdev->dev);
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dev_info(&pdev->dev, "driver initialized (%s mode)\n",
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STM32_SPI_MASTER_MODE(spi) ? "master" : "device");
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STM32_SPI_HOST_MODE(spi) ? "host" : "device");
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return 0;
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