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i2c: designware: Read counters from ACPI for PCI driver

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PCI devices may have been backed with ACPI handle which supplies
an additional information to the drivers, such as counters.

Call for ACPI configuration from PCI driver in order to utilize counters
provided by ACPI.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
This commit is contained in:
Andy Shevchenko 2020-05-19 15:50:42 +03:00 committed by Wolfram Sang
parent f9288fcc5c
commit 64d0a0755c
1 changed files with 11 additions and 0 deletions

11
drivers/i2c/busses/i2c-designware-pcidrv.c

@ -255,6 +255,17 @@ static int i2c_dw_pci_probe(struct pci_dev *pdev,
}
}
i2c_dw_acpi_adjust_bus_speed(&pdev->dev);
if (has_acpi_companion(&pdev->dev))
i2c_dw_acpi_configure(&pdev->dev);
r = i2c_dw_validate_speed(dev);
if (r) {
pci_free_irq_vectors(pdev);
return r;
}
i2c_dw_configure(dev);
if (controller->scl_sda_cfg) {