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Initialize register pointers before using them

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Register pointers have to be initialized before they can be used in
it87_check_pwm().

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Guenter Roeck
2017-04-26 14:28:27 -07:00
parent 274e450b8a
commit dc13e2af51
1 changed files with 13 additions and 5 deletions
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18
it87.c
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@@ -3329,13 +3329,9 @@ exit:
return err; return err;
} }
/* Called when we have found a new IT87. */ static void it87_init_regs(struct platform_device *pdev)
static void it87_init_device(struct platform_device *pdev)
{ {
struct it87_sio_data *sio_data = dev_get_platdata(&pdev->dev);
struct it87_data *data = platform_get_drvdata(pdev); struct it87_data *data = platform_get_drvdata(pdev);
int tmp, i;
u8 mask;
/* Initialize chip specific register pointers */ /* Initialize chip specific register pointers */
switch (data->type) { switch (data->type) {
@@ -3391,6 +3387,15 @@ static void it87_init_device(struct platform_device *pdev)
data->REG_TEMP_HIGH = IT87_REG_TEMP_HIGH; data->REG_TEMP_HIGH = IT87_REG_TEMP_HIGH;
break; break;
} }
}
/* Called when we have found a new IT87. */
static void it87_init_device(struct platform_device *pdev)
{
struct it87_sio_data *sio_data = dev_get_platdata(&pdev->dev);
struct it87_data *data = platform_get_drvdata(pdev);
int tmp, i;
u8 mask;
/* /*
* For each PWM channel: * For each PWM channel:
@@ -3632,6 +3637,9 @@ static int it87_probe(struct platform_device *pdev)
mutex_init(&data->update_lock); mutex_init(&data->update_lock);
/* Initialize register pointers */
it87_init_regs(pdev);
/* Check PWM configuration */ /* Check PWM configuration */
enable_pwm_interface = it87_check_pwm(dev); enable_pwm_interface = it87_check_pwm(dev);