Kernel/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2025-01-01 10:45:49 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

mfd: intel_quark_i2c_gpio: Enable MSI interrupt

Browse Source 
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>
This commit is contained in:
Andy Shevchenko 2021-03-24 19:08:34 +02:00 committed by Lee Jones
parent 98d6e7fce6
commit 91076ebb3e
1 changed files with 16 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
drivers/mfd/intel_quark_i2c_gpio.c
View File

@ -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 @@ static int intel_quark_mfd_probe(struct pci_dev *pdev,
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);
}