lkml.org 
[lkml]   [2011]   [Jul]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] regulator: MAX8997: Fix for divide by zero error
From
Date
On Tue, 2011-06-21 at 09:08 +0530, Tushar Behera wrote:
> Currently, ramp_delay variable is used uninitialzed in
> max8997_set_voltage_ldobuck which gets called through
> regulator_register calls.
>
> To fix the problem, in max8997_pmic_probe, ramp_delay initialization
> code is moved before calls to regulator_register.
>
> Cc: Liam Girdwood <lrg@ti.com>
> Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
> Cc: MyungJoo Ham <myungjoo.ham@samsung.com>
> Cc: Kyungmin Park <kyungmin.park@samsung.com>
> Cc: Samuel Ortiz <sameo@linux.intel.com>
> Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
> ---
> drivers/regulator/max8997.c | 8 ++++----
> 1 files changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/regulator/max8997.c b/drivers/regulator/max8997.c
> index 10d5a1d..0fc7b8c 100644
> --- a/drivers/regulator/max8997.c
> +++ b/drivers/regulator/max8997.c
> @@ -1124,6 +1124,10 @@ static __devinit int max8997_pmic_probe(struct platform_device *pdev)
> 0x3f);
> }
>
> + /* Misc Settings */
> + max8997->ramp_delay = 10; /* set 10mV/us, which is the default */
> + max8997_write_reg(i2c, MAX8997_REG_BUCKRAMP, (0xf << 4) | 0x9);
> +
> for (i = 0; i < pdata->num_regulators; i++) {
> const struct voltage_map_desc *desc;
> int id = pdata->regulators[i].id;
> @@ -1148,10 +1152,6 @@ static __devinit int max8997_pmic_probe(struct platform_device *pdev)
> }
> }
>
> - /* Misc Settings */
> - max8997->ramp_delay = 10; /* set 10mV/us, which is the default */
> - max8997_write_reg(i2c, MAX8997_REG_BUCKRAMP, (0xf << 4) | 0x9);
> -
> return 0;
> err:
> for (i = 0; i < max8997->num_regulators; i++)

Applied.

Thanks

Liam




\
 
 \ /
  Last update: 2011-07-04 18:09    [W:0.044 / U:0.764 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site