diff options
| author | Jan Kiszka <jan.kiszka@siemens.com> | 2017-05-30 11:17:40 +0300 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2017-07-06 10:29:12 +0300 |
| commit | b518d4adb83e3e139d3de96d172d9b4dec6def09 (patch) | |
| tree | b5c4dbc0323d30da00eac35fd2ec9792cf031af6 /drivers/mfd/intel_quark_i2c_gpio.c | |
| parent | 9bf2db7834993b776707618ab5828265100bf3fd (diff) | |
| download | linux-b518d4adb83e3e139d3de96d172d9b4dec6def09.tar.xz | |
mfd: intel_quark_i2c_gpio: Use dmi_system_id table for retrieving frequency
Avoids reimplementation of DMI matching in intel_quark_i2c_setup.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/mfd/intel_quark_i2c_gpio.c')
| -rw-r--r-- | drivers/mfd/intel_quark_i2c_gpio.c | 33 |
1 files changed, 13 insertions, 20 deletions
diff --git a/drivers/mfd/intel_quark_i2c_gpio.c b/drivers/mfd/intel_quark_i2c_gpio.c index 7946d6e38b87..050061320377 100644 --- a/drivers/mfd/intel_quark_i2c_gpio.c +++ b/drivers/mfd/intel_quark_i2c_gpio.c @@ -58,19 +58,18 @@ struct intel_quark_mfd { struct clk_lookup *i2c_clk_lookup; }; -struct i2c_mode_info { - const char *name; - unsigned int i2c_scl_freq; -}; - -static const struct i2c_mode_info platform_i2c_mode_info[] = { +static const struct dmi_system_id dmi_platform_info[] = { { - .name = "Galileo", - .i2c_scl_freq = 100000, + .matches = { + DMI_EXACT_MATCH(DMI_BOARD_NAME, "Galileo"), + }, + .driver_data = (void *)100000, }, { - .name = "GalileoGen2", - .i2c_scl_freq = 400000, + .matches = { + DMI_EXACT_MATCH(DMI_BOARD_NAME, "GalileoGen2"), + }, + .driver_data = (void *)400000, }, {} }; @@ -160,8 +159,7 @@ static void intel_quark_unregister_i2c_clk(struct device *dev) static int intel_quark_i2c_setup(struct pci_dev *pdev, struct mfd_cell *cell) { - const char *board_name = dmi_get_system_info(DMI_BOARD_NAME); - const struct i2c_mode_info *info; + const struct dmi_system_id *dmi_id; struct dw_i2c_platform_data *pdata; struct resource *res = (struct resource *)cell->resources; struct device *dev = &pdev->dev; @@ -181,14 +179,9 @@ static int intel_quark_i2c_setup(struct pci_dev *pdev, struct mfd_cell *cell) /* Normal mode by default */ pdata->i2c_scl_freq = 100000; - if (board_name) { - for (info = platform_i2c_mode_info; info->name; info++) { - if (!strcmp(board_name, info->name)) { - pdata->i2c_scl_freq = info->i2c_scl_freq; - break; - } - } - } + dmi_id = dmi_first_match(dmi_platform_info); + if (dmi_id) + pdata->i2c_scl_freq = (uintptr_t)dmi_id->driver_data; cell->platform_data = pdata; cell->pdata_size = sizeof(*pdata); |