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authorThierry Reding <treding@nvidia.com>2019-02-21 18:25:54 +0300
committerPhilipp Zabel <p.zabel@pengutronix.de>2019-03-20 13:18:36 +0300
commitf31d5c24fb2ea6fcfa4d300886eb87b662fbc0da (patch)
tree8c81687437184252d7491aa3bfe9a6dc3c7bcbd8 /drivers/reset
parentc84b0326d5e4fe08d493f6fff245da2ad473f4ae (diff)
downloadlinux-f31d5c24fb2ea6fcfa4d300886eb87b662fbc0da.tar.xz
reset: Add acquired flag to of_reset_control_array_get()
In order to be able to request an array of reset controls in acquired or released mode, add the acquired flag to of_reset_control_array_get() and pass the flag to subsequent calls of __of_reset_control_get(). Signed-off-by: Thierry Reding <treding@nvidia.com> Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Diffstat (limited to 'drivers/reset')
-rw-r--r--drivers/reset/core.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/reset/core.c b/drivers/reset/core.c
index 1e8a42b16f23..f94da91c22af 100644
--- a/drivers/reset/core.c
+++ b/drivers/reset/core.c
@@ -830,12 +830,15 @@ static int of_reset_control_get_count(struct device_node *node)
* @np: device node for the device that requests the reset controls array
* @shared: whether reset controls are shared or not
* @optional: whether it is optional to get the reset controls
+ * @acquired: only one reset control may be acquired for a given controller
+ * and ID
*
* Returns pointer to allocated reset_control_array on success or
* error on failure
*/
struct reset_control *
-of_reset_control_array_get(struct device_node *np, bool shared, bool optional)
+of_reset_control_array_get(struct device_node *np, bool shared, bool optional,
+ bool acquired)
{
struct reset_control_array *resets;
struct reset_control *rstc;
@@ -851,7 +854,7 @@ of_reset_control_array_get(struct device_node *np, bool shared, bool optional)
for (i = 0; i < num; i++) {
rstc = __of_reset_control_get(np, NULL, i, shared, optional,
- true);
+ acquired);
if (IS_ERR(rstc))
goto err_rst;
resets->rstc[i] = rstc;
@@ -898,7 +901,7 @@ devm_reset_control_array_get(struct device *dev, bool shared, bool optional)
if (!devres)
return ERR_PTR(-ENOMEM);
- rstc = of_reset_control_array_get(dev->of_node, shared, optional);
+ rstc = of_reset_control_array_get(dev->of_node, shared, optional, true);
if (IS_ERR(rstc)) {
devres_free(devres);
return rstc;