diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2021-03-24 18:08:34 +0100 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2021-04-14 17:06:33 +0200 |
| commit | 91076ebb3e2204cbb81aa2d6930f2a88638e4bb0 (patch) | |
| tree | bba6f6bb55466bf1e3e5aa7c25b29954630a4a7a /drivers/mfd | |
| parent | mfd: intel_quark_i2c_gpio: Reuse BAR definitions for MFD cell indexing (diff) | |
| download | linux-91076ebb3e2204cbb81aa2d6930f2a88638e4bb0.tar.xz linux-91076ebb3e2204cbb81aa2d6930f2a88638e4bb0.zip | |
mfd: intel_quark_i2c_gpio: Enable MSI interrupt
Allow interrupts to be MSI if supported by hardware.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/intel_quark_i2c_gpio.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/drivers/mfd/intel_quark_i2c_gpio.c b/drivers/mfd/intel_quark_i2c_gpio.c index d63427876210..5253504b22e9 100644 --- a/drivers/mfd/intel_quark_i2c_gpio.c +++ b/drivers/mfd/intel_quark_i2c_gpio.c @@ -167,8 +167,8 @@ static int intel_quark_i2c_setup(struct pci_dev *pdev, struct mfd_cell *cell) res[INTEL_QUARK_IORES_MEM].end = pci_resource_end(pdev, MFD_I2C_BAR); - res[INTEL_QUARK_IORES_IRQ].start = pdev->irq; - res[INTEL_QUARK_IORES_IRQ].end = pdev->irq; + res[INTEL_QUARK_IORES_IRQ].start = pci_irq_vector(pdev, 0); + res[INTEL_QUARK_IORES_IRQ].end = pci_irq_vector(pdev, 0); pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL); if (!pdata) @@ -215,7 +215,7 @@ static int intel_quark_gpio_setup(struct pci_dev *pdev, struct mfd_cell *cell) pdata->properties->idx = 0; pdata->properties->ngpio = INTEL_QUARK_MFD_NGPIO; pdata->properties->gpio_base = INTEL_QUARK_MFD_GPIO_BASE; - pdata->properties->irq[0] = pdev->irq; + pdata->properties->irq[0] = pci_irq_vector(pdev, 0); pdata->properties->irq_shared = true; cell->platform_data = pdata; @@ -244,22 +244,31 @@ static int intel_quark_mfd_probe(struct pci_dev *pdev, if (ret) return ret; + pci_set_master(pdev); + + /* This driver only requires 1 IRQ vector */ + ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES); + if (ret < 0) + goto err_unregister_i2c_clk; + ret = intel_quark_i2c_setup(pdev, &intel_quark_mfd_cells[MFD_I2C_BAR]); if (ret) - goto err_unregister_i2c_clk; + goto err_free_irq_vectors; ret = intel_quark_gpio_setup(pdev, &intel_quark_mfd_cells[MFD_GPIO_BAR]); if (ret) - goto err_unregister_i2c_clk; + goto err_free_irq_vectors; ret = mfd_add_devices(&pdev->dev, 0, intel_quark_mfd_cells, ARRAY_SIZE(intel_quark_mfd_cells), NULL, 0, NULL); if (ret) - goto err_unregister_i2c_clk; + goto err_free_irq_vectors; return 0; +err_free_irq_vectors: + pci_free_irq_vectors(pdev); err_unregister_i2c_clk: intel_quark_unregister_i2c_clk(&pdev->dev); return ret; @@ -268,6 +277,7 @@ err_unregister_i2c_clk: static void intel_quark_mfd_remove(struct pci_dev *pdev) { mfd_remove_devices(&pdev->dev); + pci_free_irq_vectors(pdev); intel_quark_unregister_i2c_clk(&pdev->dev); } |