Merge existing fixes from spi/for-5.17 into new branch
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commit
66fda8bdc3
@ -688,7 +688,7 @@ static int stm32_qspi_probe(struct platform_device *pdev)
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struct resource *res;
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int ret, irq;
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ctrl = spi_alloc_master(dev, sizeof(*qspi));
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ctrl = devm_spi_alloc_master(dev, sizeof(*qspi));
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if (!ctrl)
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return -ENOMEM;
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@ -697,58 +697,46 @@ static int stm32_qspi_probe(struct platform_device *pdev)
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res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "qspi");
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qspi->io_base = devm_ioremap_resource(dev, res);
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if (IS_ERR(qspi->io_base)) {
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ret = PTR_ERR(qspi->io_base);
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goto err_master_put;
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}
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if (IS_ERR(qspi->io_base))
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return PTR_ERR(qspi->io_base);
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qspi->phys_base = res->start;
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res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "qspi_mm");
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qspi->mm_base = devm_ioremap_resource(dev, res);
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if (IS_ERR(qspi->mm_base)) {
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ret = PTR_ERR(qspi->mm_base);
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goto err_master_put;
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}
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if (IS_ERR(qspi->mm_base))
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return PTR_ERR(qspi->mm_base);
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qspi->mm_size = resource_size(res);
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if (qspi->mm_size > STM32_QSPI_MAX_MMAP_SZ) {
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ret = -EINVAL;
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goto err_master_put;
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}
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if (qspi->mm_size > STM32_QSPI_MAX_MMAP_SZ)
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return -EINVAL;
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irq = platform_get_irq(pdev, 0);
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if (irq < 0) {
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ret = irq;
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goto err_master_put;
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}
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if (irq < 0)
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return irq;
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ret = devm_request_irq(dev, irq, stm32_qspi_irq, 0,
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dev_name(dev), qspi);
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if (ret) {
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dev_err(dev, "failed to request irq\n");
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goto err_master_put;
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return ret;
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}
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init_completion(&qspi->data_completion);
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init_completion(&qspi->match_completion);
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qspi->clk = devm_clk_get(dev, NULL);
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if (IS_ERR(qspi->clk)) {
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ret = PTR_ERR(qspi->clk);
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goto err_master_put;
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}
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if (IS_ERR(qspi->clk))
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return PTR_ERR(qspi->clk);
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qspi->clk_rate = clk_get_rate(qspi->clk);
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if (!qspi->clk_rate) {
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ret = -EINVAL;
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goto err_master_put;
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}
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if (!qspi->clk_rate)
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return -EINVAL;
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ret = clk_prepare_enable(qspi->clk);
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if (ret) {
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dev_err(dev, "can not enable the clock\n");
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goto err_master_put;
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return ret;
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}
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rstc = devm_reset_control_get_exclusive(dev, NULL);
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@ -784,7 +772,7 @@ static int stm32_qspi_probe(struct platform_device *pdev)
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pm_runtime_enable(dev);
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pm_runtime_get_noresume(dev);
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ret = devm_spi_register_master(dev, ctrl);
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ret = spi_register_master(ctrl);
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if (ret)
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goto err_pm_runtime_free;
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@ -806,8 +794,6 @@ err_dma_free:
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stm32_qspi_dma_free(qspi);
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err_clk_disable:
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clk_disable_unprepare(qspi->clk);
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err_master_put:
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spi_master_put(qspi->ctrl);
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return ret;
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}
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@ -817,6 +803,7 @@ static int stm32_qspi_remove(struct platform_device *pdev)
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struct stm32_qspi *qspi = platform_get_drvdata(pdev);
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pm_runtime_get_sync(qspi->dev);
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spi_unregister_master(qspi->ctrl);
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/* disable qspi */
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writel_relaxed(0, qspi->io_base + QSPI_CR);
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stm32_qspi_dma_free(qspi);
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@ -221,7 +221,6 @@ struct stm32_spi;
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* time between frames (if driver has this functionality)
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* @set_number_of_data: optional routine to configure registers to desired
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* number of data (if driver has this functionality)
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* @can_dma: routine to determine if the transfer is eligible for DMA use
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* @transfer_one_dma_start: routine to start transfer a single spi_transfer
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* using DMA
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* @dma_rx_cb: routine to call after DMA RX channel operation is complete
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@ -232,7 +231,7 @@ struct stm32_spi;
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* @baud_rate_div_min: minimum baud rate divisor
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* @baud_rate_div_max: maximum baud rate divisor
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* @has_fifo: boolean to know if fifo is used for driver
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* @has_startbit: boolean to know if start bit is used to start transfer
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* @flags: compatible specific SPI controller flags used at registration time
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*/
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struct stm32_spi_cfg {
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const struct stm32_spi_regspec *regs;
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@ -253,6 +252,7 @@ struct stm32_spi_cfg {
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unsigned int baud_rate_div_min;
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unsigned int baud_rate_div_max;
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bool has_fifo;
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u16 flags;
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};
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/**
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@ -1722,6 +1722,7 @@ static const struct stm32_spi_cfg stm32f4_spi_cfg = {
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.baud_rate_div_min = STM32F4_SPI_BR_DIV_MIN,
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.baud_rate_div_max = STM32F4_SPI_BR_DIV_MAX,
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.has_fifo = false,
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.flags = SPI_MASTER_MUST_TX,
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};
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static const struct stm32_spi_cfg stm32h7_spi_cfg = {
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@ -1854,7 +1855,7 @@ static int stm32_spi_probe(struct platform_device *pdev)
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master->prepare_message = stm32_spi_prepare_msg;
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master->transfer_one = stm32_spi_transfer_one;
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master->unprepare_message = stm32_spi_unprepare_msg;
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master->flags = SPI_MASTER_MUST_TX;
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master->flags = spi->cfg->flags;
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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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