diff options
Diffstat (limited to 'drivers/spi/spi-microchip-core-qspi.c')
| -rw-r--r-- | drivers/spi/spi-microchip-core-qspi.c | 39 |
1 files changed, 12 insertions, 27 deletions
diff --git a/drivers/spi/spi-microchip-core-qspi.c b/drivers/spi/spi-microchip-core-qspi.c index 4f76ddf97b..03d125a71f 100644 --- a/drivers/spi/spi-microchip-core-qspi.c +++ b/drivers/spi/spi-microchip-core-qspi.c @@ -299,7 +299,7 @@ static int mchp_coreqspi_setup_clock(struct mchp_coreqspi *qspi, struct spi_devi static int mchp_coreqspi_setup_op(struct spi_device *spi_dev) { - struct spi_controller *ctlr = spi_dev->master; + struct spi_controller *ctlr = spi_dev->controller; struct mchp_coreqspi *qspi = spi_controller_get_devdata(ctlr); u32 control = readl_relaxed(qspi->regs + REG_CONTROL); @@ -368,7 +368,7 @@ static inline void mchp_coreqspi_config_op(struct mchp_coreqspi *qspi, const str static int mchp_qspi_wait_for_ready(struct spi_mem *mem) { struct mchp_coreqspi *qspi = spi_controller_get_devdata - (mem->spi->master); + (mem->spi->controller); u32 status; int ret; @@ -387,7 +387,7 @@ static int mchp_qspi_wait_for_ready(struct spi_mem *mem) static int mchp_coreqspi_exec_op(struct spi_mem *mem, const struct spi_mem_op *op) { struct mchp_coreqspi *qspi = spi_controller_get_devdata - (mem->spi->master); + (mem->spi->controller); u32 address = op->addr.val; u8 opcode = op->cmd.opcode; u8 opaddr[5]; @@ -505,10 +505,10 @@ static int mchp_coreqspi_probe(struct platform_device *pdev) struct device_node *np = dev->of_node; int ret; - ctlr = devm_spi_alloc_master(&pdev->dev, sizeof(*qspi)); + ctlr = devm_spi_alloc_host(&pdev->dev, sizeof(*qspi)); if (!ctlr) return dev_err_probe(&pdev->dev, -ENOMEM, - "unable to allocate master for QSPI controller\n"); + "unable to allocate host for QSPI controller\n"); qspi = spi_controller_get_devdata(ctlr); platform_set_drvdata(pdev, qspi); @@ -518,30 +518,23 @@ static int mchp_coreqspi_probe(struct platform_device *pdev) return dev_err_probe(&pdev->dev, PTR_ERR(qspi->regs), "failed to map registers\n"); - qspi->clk = devm_clk_get(&pdev->dev, NULL); + qspi->clk = devm_clk_get_enabled(&pdev->dev, NULL); if (IS_ERR(qspi->clk)) return dev_err_probe(&pdev->dev, PTR_ERR(qspi->clk), "could not get clock\n"); - ret = clk_prepare_enable(qspi->clk); - if (ret) - return dev_err_probe(&pdev->dev, ret, - "failed to enable clock\n"); - init_completion(&qspi->data_completion); mutex_init(&qspi->op_lock); qspi->irq = platform_get_irq(pdev, 0); - if (qspi->irq < 0) { - ret = qspi->irq; - goto out; - } + if (qspi->irq < 0) + return qspi->irq; ret = devm_request_irq(&pdev->dev, qspi->irq, mchp_coreqspi_isr, IRQF_SHARED, pdev->name, qspi); if (ret) { dev_err(&pdev->dev, "request_irq failed %d\n", ret); - goto out; + return ret; } ctlr->bits_per_word_mask = SPI_BPW_MASK(8); @@ -552,18 +545,11 @@ static int mchp_coreqspi_probe(struct platform_device *pdev) ctlr->dev.of_node = np; ret = devm_spi_register_controller(&pdev->dev, ctlr); - if (ret) { - dev_err_probe(&pdev->dev, ret, - "spi_register_controller failed\n"); - goto out; - } + if (ret) + return dev_err_probe(&pdev->dev, ret, + "spi_register_controller failed\n"); return 0; - -out: - clk_disable_unprepare(qspi->clk); - - return ret; } static void mchp_coreqspi_remove(struct platform_device *pdev) @@ -574,7 +560,6 @@ static void mchp_coreqspi_remove(struct platform_device *pdev) mchp_coreqspi_disable_ints(qspi); control &= ~CONTROL_ENABLE; writel_relaxed(control, qspi->regs + REG_CONTROL); - clk_disable_unprepare(qspi->clk); } static const struct of_device_id mchp_coreqspi_of_match[] = { |