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author | Thierry Reding <treding@nvidia.com> | 2019-02-21 16:25:54 +0100 |
---|---|---|
committer | Philipp Zabel <p.zabel@pengutronix.de> | 2019-03-20 11:18:36 +0100 |
commit | f31d5c24fb2ea6fcfa4d300886eb87b662fbc0da (patch) | |
tree | 8c81687437184252d7491aa3bfe9a6dc3c7bcbd8 /drivers | |
parent | c84b0326d5e4fe08d493f6fff245da2ad473f4ae (diff) | |
download | linux-f31d5c24fb2ea6fcfa4d300886eb87b662fbc0da.tar.gz linux-f31d5c24fb2ea6fcfa4d300886eb87b662fbc0da.tar.bz2 linux-f31d5c24fb2ea6fcfa4d300886eb87b662fbc0da.zip |
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')
-rw-r--r-- | drivers/reset/core.c | 9 | ||||
-rw-r--r-- | drivers/usb/dwc3/dwc3-of-simple.c | 3 |
2 files changed, 8 insertions, 4 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; diff --git a/drivers/usb/dwc3/dwc3-of-simple.c b/drivers/usb/dwc3/dwc3-of-simple.c index 4c2771c5e727..67ce2037472d 100644 --- a/drivers/usb/dwc3/dwc3-of-simple.c +++ b/drivers/usb/dwc3/dwc3-of-simple.c @@ -107,7 +107,8 @@ static int dwc3_of_simple_probe(struct platform_device *pdev) simple->pulse_resets = true; } - simple->resets = of_reset_control_array_get(np, shared_resets, true); + simple->resets = of_reset_control_array_get(np, shared_resets, true, + true); if (IS_ERR(simple->resets)) { ret = PTR_ERR(simple->resets); dev_err(dev, "failed to get device resets, err=%d\n", ret); |