From 3ff3f518a135fa4592fe2817e9ac2cce1fa23dc2 Mon Sep 17 00:00:00 2001 From: Bjorn Andersson Date: Mon, 9 Nov 2015 22:20:37 -0800 Subject: [PATCH] regulator: Make bulk API support optional supplies Make it possible to use the bulk API with optional supplies, by allowing the consumer to marking supplies as optional in the regulator_bulk_data. Signed-off-by: Bjorn Andersson Signed-off-by: Mark Brown --- drivers/regulator/core.c | 6 ++++-- drivers/regulator/devres.c | 7 +++++-- include/linux/regulator/consumer.h | 3 +++ 3 files changed, 12 insertions(+), 4 deletions(-) diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 73b7683355cd..4cf1390784e5 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -3451,8 +3451,10 @@ int regulator_bulk_get(struct device *dev, int num_consumers, consumers[i].consumer = NULL; for (i = 0; i < num_consumers; i++) { - consumers[i].consumer = regulator_get(dev, - consumers[i].supply); + consumers[i].consumer = _regulator_get(dev, + consumers[i].supply, + false, + !consumers[i].optional); if (IS_ERR(consumers[i].consumer)) { ret = PTR_ERR(consumers[i].consumer); dev_err(dev, "Failed to get supply '%s': %d\n", diff --git a/drivers/regulator/devres.c b/drivers/regulator/devres.c index 6ec1d400adae..6ad8ab4c578d 100644 --- a/drivers/regulator/devres.c +++ b/drivers/regulator/devres.c @@ -164,8 +164,11 @@ int devm_regulator_bulk_get(struct device *dev, int num_consumers, consumers[i].consumer = NULL; for (i = 0; i < num_consumers; i++) { - consumers[i].consumer = devm_regulator_get(dev, - consumers[i].supply); + consumers[i].consumer = _devm_regulator_get(dev, + consumers[i].supply, + consumers[i].optional ? + OPTIONAL_GET : + NORMAL_GET); if (IS_ERR(consumers[i].consumer)) { ret = PTR_ERR(consumers[i].consumer); dev_err(dev, "Failed to get supply '%s': %d\n", diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h index 9e0e76992be0..48603506f8de 100644 --- a/include/linux/regulator/consumer.h +++ b/include/linux/regulator/consumer.h @@ -140,6 +140,8 @@ struct regulator; * * @supply: The name of the supply. Initialised by the user before * using the bulk regulator APIs. + * @optional: The supply should be considered optional. Initialised by the user + * before using the bulk regulator APIs. * @consumer: The regulator consumer for the supply. This will be managed * by the bulk API. * @@ -149,6 +151,7 @@ struct regulator; */ struct regulator_bulk_data { const char *supply; + bool optional; struct regulator *consumer; /* private: Internal use */ -- GitLab