diff options
Diffstat (limited to 'drivers/spi/spi-qcom-qspi.c')
| -rw-r--r-- | drivers/spi/spi-qcom-qspi.c | 25 |
1 files changed, 10 insertions, 15 deletions
diff --git a/drivers/spi/spi-qcom-qspi.c b/drivers/spi/spi-qcom-qspi.c index b8857a97f40a..5eed88af6899 100644 --- a/drivers/spi/spi-qcom-qspi.c +++ b/drivers/spi/spi-qcom-qspi.c @@ -143,7 +143,6 @@ struct qcom_qspi { struct qspi_xfer xfer; struct icc_path *icc_path_cpu_to_qspi; struct opp_table *opp_table; - bool has_opp_table; unsigned long last_speed; /* Lock to protect data accessed by IRQs */ spinlock_t lock; @@ -421,9 +420,8 @@ static irqreturn_t qcom_qspi_irq(int irq, void *dev_id) u32 int_status; struct qcom_qspi *ctrl = dev_id; irqreturn_t ret = IRQ_NONE; - unsigned long flags; - spin_lock_irqsave(&ctrl->lock, flags); + spin_lock(&ctrl->lock); int_status = readl(ctrl->base + MSTR_INT_STATUS); writel(int_status, ctrl->base + MSTR_INT_STATUS); @@ -451,7 +449,7 @@ static irqreturn_t qcom_qspi_irq(int irq, void *dev_id) spi_finalize_current_transfer(dev_get_drvdata(ctrl->dev)); } - spin_unlock_irqrestore(&ctrl->lock, flags); + spin_unlock(&ctrl->lock); return ret; } @@ -495,9 +493,8 @@ static int qcom_qspi_probe(struct platform_device *pdev) ctrl->icc_path_cpu_to_qspi = devm_of_icc_get(dev, "qspi-config"); if (IS_ERR(ctrl->icc_path_cpu_to_qspi)) { - ret = PTR_ERR(ctrl->icc_path_cpu_to_qspi); - if (ret != -EPROBE_DEFER) - dev_err(dev, "Failed to get cpu path: %d\n", ret); + ret = dev_err_probe(dev, PTR_ERR(ctrl->icc_path_cpu_to_qspi), + "Failed to get cpu path\n"); goto exit_probe_master_put; } /* Set BW vote for register access */ @@ -546,11 +543,9 @@ static int qcom_qspi_probe(struct platform_device *pdev) } /* OPP table is optional */ ret = dev_pm_opp_of_add_table(&pdev->dev); - if (!ret) { - ctrl->has_opp_table = true; - } else if (ret != -ENODEV) { + if (ret && ret != -ENODEV) { dev_err(&pdev->dev, "invalid OPP table in device tree\n"); - goto exit_probe_master_put; + goto exit_probe_put_clkname; } pm_runtime_use_autosuspend(dev); @@ -562,8 +557,9 @@ static int qcom_qspi_probe(struct platform_device *pdev) return 0; pm_runtime_disable(dev); - if (ctrl->has_opp_table) - dev_pm_opp_of_remove_table(&pdev->dev); + dev_pm_opp_of_remove_table(&pdev->dev); + +exit_probe_put_clkname: dev_pm_opp_put_clkname(ctrl->opp_table); exit_probe_master_put: @@ -581,8 +577,7 @@ static int qcom_qspi_remove(struct platform_device *pdev) spi_unregister_master(master); pm_runtime_disable(&pdev->dev); - if (ctrl->has_opp_table) - dev_pm_opp_of_remove_table(&pdev->dev); + dev_pm_opp_of_remove_table(&pdev->dev); dev_pm_opp_put_clkname(ctrl->opp_table); return 0; |