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authorJan Kiszka <jan.kiszka@siemens.com>2017-05-30 11:17:40 +0300
committerLee Jones <lee.jones@linaro.org>2017-07-06 10:29:12 +0300
commitb518d4adb83e3e139d3de96d172d9b4dec6def09 (patch)
treeb5c4dbc0323d30da00eac35fd2ec9792cf031af6 /drivers/mfd/intel_quark_i2c_gpio.c
parent9bf2db7834993b776707618ab5828265100bf3fd (diff)
downloadlinux-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.c33
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);