Messages in this thread | | | Date | Wed, 13 May 2015 13:20:40 +0100 | From | Lee Jones <> | Subject | Re: [RESEND PATCH v3 02/10] mfd: arizona: Factor out hard reset into helper functions |
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On Mon, 11 May 2015, Charles Keepax wrote:
> This patch adds functions for enabling and disabling the physical reset > line. This will be helpful in future refactoring. > > Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> > Acked-by: Lee Jones <lee.jones@linaro.org> > --- > drivers/mfd/arizona-core.c | 25 +++++++++++++++++-------- > 1 files changed, 17 insertions(+), 8 deletions(-)
Applied, thanks.
> diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c > index 915cc28..f30d925 100644 > --- a/drivers/mfd/arizona-core.c > +++ b/drivers/mfd/arizona-core.c > @@ -250,6 +250,20 @@ static int arizona_wait_for_boot(struct arizona *arizona) > return ret; > } > > +static inline void arizona_enable_reset(struct arizona *arizona) > +{ > + if (arizona->pdata.reset) > + gpio_set_value_cansleep(arizona->pdata.reset, 0); > +} > + > +static void arizona_disable_reset(struct arizona *arizona) > +{ > + if (arizona->pdata.reset) { > + gpio_set_value_cansleep(arizona->pdata.reset, 1); > + msleep(1); > + } > +} > + > static int arizona_apply_hardware_patch(struct arizona* arizona) > { > unsigned int fll, sysclk; > @@ -751,10 +765,7 @@ int arizona_dev_init(struct arizona *arizona) > goto err_enable; > } > > - if (arizona->pdata.reset) { > - gpio_set_value_cansleep(arizona->pdata.reset, 1); > - msleep(1); > - } > + arizona_disable_reset(arizona); > > regcache_cache_only(arizona->regmap, false); > > @@ -1046,8 +1057,7 @@ int arizona_dev_init(struct arizona *arizona) > err_irq: > arizona_irq_exit(arizona); > err_reset: > - if (arizona->pdata.reset) > - gpio_set_value_cansleep(arizona->pdata.reset, 0); > + arizona_enable_reset(arizona); > regulator_disable(arizona->dcvdd); > err_enable: > regulator_bulk_disable(arizona->num_core_supplies, > @@ -1072,8 +1082,7 @@ int arizona_dev_exit(struct arizona *arizona) > arizona_free_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, arizona); > arizona_free_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, arizona); > arizona_irq_exit(arizona); > - if (arizona->pdata.reset) > - gpio_set_value_cansleep(arizona->pdata.reset, 0); > + arizona_enable_reset(arizona); > > regulator_bulk_disable(arizona->num_core_supplies, > arizona->core_supplies);
-- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog
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