From 2229875dc00f38b95d04fecfc67858ba2221a563 Mon Sep 17 00:00:00 2001 From: Charles Keepax Date: Mon, 11 May 2015 13:58:02 +0100 Subject: [PATCH] mfd: arizona: Factor out hard reset into helper functions This patch adds functions for enabling and disabling the physical reset line. This will be helpful in future refactoring. Signed-off-by: Charles Keepax Signed-off-by: Lee Jones --- drivers/mfd/arizona-core.c | 25 +++++++++++++++++-------- 1 file changed, 17 insertions(+), 8 deletions(-) diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c index 915cc28585d2..f30d92538584 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); -- 2.30.2