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| author | Sudarshan Ravula <sudarshan.ravula@intel.com> | 2022-09-07 21:39:20 +0530 |
|---|---|---|
| committer | Wolfram Sang <wsa@kernel.org> | 2022-09-07 21:52:43 +0200 |
| commit | 14b9397240980a223d469f8c9bca92d45c78cdc5 (patch) | |
| tree | 9d22f2138f9b32bfab4ba7b33623ad8d66cbdd82 /drivers/i2c | |
| parent | 09d027dbe17137dac4d91b2698e665d46b78570e (diff) | |
| download | linux-stable-14b9397240980a223d469f8c9bca92d45c78cdc5.tar.gz linux-stable-14b9397240980a223d469f8c9bca92d45c78cdc5.tar.bz2 linux-stable-14b9397240980a223d469f8c9bca92d45c78cdc5.zip | |
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: Sudarshan Ravula <sudarshan.ravula@intel.com>
Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-designware-pcidrv.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-designware-pcidrv.c b/drivers/i2c/busses/i2c-designware-pcidrv.c index 608e61209455..c001719209be 100644 --- a/drivers/i2c/busses/i2c-designware-pcidrv.c +++ b/drivers/i2c/busses/i2c-designware-pcidrv.c @@ -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) { |