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authorSudarshan Ravula <sudarshan.ravula@intel.com>2022-09-07 19:09:20 +0300
committerWolfram Sang <wsa@kernel.org>2022-09-07 22:52:43 +0300
commit14b9397240980a223d469f8c9bca92d45c78cdc5 (patch)
tree9d22f2138f9b32bfab4ba7b33623ad8d66cbdd82 /drivers/i2c
parent09d027dbe17137dac4d91b2698e665d46b78570e (diff)
downloadlinux-14b9397240980a223d469f8c9bca92d45c78cdc5.tar.xz
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.c5
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) {