Commit 14b93972 authored by Sudarshan Ravula's avatar Sudarshan Ravula Committed by Wolfram Sang
Browse files

i2c: designware: Add support to get I2C related timing parameters from firmware. 



Similar to I2C designware platform driver add i2c_parse_fw_timings() in
PCI driver, to get I2C related timing parameters from firmware.

Signed-off-by: default avatarSudarshan Ravula <sudarshan.ravula@intel.com>
Acked-by: default avatarJarkko Nikula <jarkko.nikula@linux.intel.com>
Reviewed-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarWolfram Sang <wsa@kernel.org>
parent 09d027db

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

+4 −1
Original line number Diff line number Diff line
@@ -243,6 +243,7 @@ static int i2c_dw_pci_probe(struct pci_dev *pdev, 
	int r;

	struct dw_pci_controller *controller;

	struct dw_scl_sda_cfg *cfg;

	struct i2c_timings *t;



	if (id->driver_data >= ARRAY_SIZE(dw_pci_controllers))

		return dev_err_probe(&pdev->dev, -EINVAL,
@@ -272,12 +273,14 @@ static int i2c_dw_pci_probe(struct pci_dev *pdev, 
		return r;



	dev->get_clk_rate_khz = controller->get_clk_rate_khz;

	dev->timings.bus_freq_hz = I2C_MAX_FAST_MODE_FREQ;

	dev->base = pcim_iomap_table(pdev)[0];

	dev->dev = &pdev->dev;

	dev->irq = pci_irq_vector(pdev, 0);

	dev->flags |= controller->flags;



	t = &dev->timings;

	i2c_parse_fw_timings(&pdev->dev, t, false);



	pci_set_drvdata(pdev, dev);



	if (controller->setup) {