The rproc_release() implementations in TI K3 DSP and M4 remoteproc
drivers deassert reset in the same way. Refactor the above function into
the ti_k3_common.c driver as k3_rproc_release() and use it throughout
DSP and M4 drivers for releasing the reset from the remote processor.

Signed-off-by: Beleswar Padhi <[email protected]>
Tested-by: Judith Mendez <[email protected]>
---
v11: Changelog:
1. Split [v10 17/33] into [v11 18/35] and [v11 19/35].
2. Carried T/B tag.

Link to v10:
https://lore.kernel.org/all/[email protected]/

v10: Changelog:
1. Split [v9 13/26] into [v10 16/33] and [v10 17/33] patches. 

Link to v9:
https://lore.kernel.org/all/[email protected]/

 drivers/remoteproc/ti_k3_common.c         | 25 ++++++++++++++++++++++
 drivers/remoteproc/ti_k3_common.h         |  1 +
 drivers/remoteproc/ti_k3_dsp_remoteproc.c | 26 +----------------------
 drivers/remoteproc/ti_k3_m4_remoteproc.c  | 26 +----------------------
 4 files changed, 28 insertions(+), 50 deletions(-)

diff --git a/drivers/remoteproc/ti_k3_common.c 
b/drivers/remoteproc/ti_k3_common.c
index 894b4c9168f59..e4a924cb1798e 100644
--- a/drivers/remoteproc/ti_k3_common.c
+++ b/drivers/remoteproc/ti_k3_common.c
@@ -126,5 +126,30 @@ int k3_rproc_reset(struct k3_rproc *kproc)
 }
 EXPORT_SYMBOL_GPL(k3_rproc_reset);
 
+/* Release the remote processor from reset */
+int k3_rproc_release(struct k3_rproc *kproc)
+{
+       struct device *dev = kproc->dev;
+       int ret;
+
+       if (kproc->data->uses_lreset) {
+               ret = reset_control_deassert(kproc->reset);
+               if (ret) {
+                       dev_err(dev, "local-reset deassert failed, (%pe)\n", 
ERR_PTR(ret));
+                       if (kproc->ti_sci->ops.dev_ops.put_device(kproc->ti_sci,
+                                                                 
kproc->ti_sci_id))
+                               dev_warn(dev, "module-reset assert back 
failed\n");
+               }
+       } else {
+               ret = kproc->ti_sci->ops.dev_ops.get_device(kproc->ti_sci,
+                                                           kproc->ti_sci_id);
+               if (ret)
+                       dev_err(dev, "module-reset deassert failed (%pe)\n", 
ERR_PTR(ret));
+       }
+
+       return ret;
+}
+EXPORT_SYMBOL_GPL(k3_rproc_release);
+
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("TI K3 common Remoteproc code");
diff --git a/drivers/remoteproc/ti_k3_common.h 
b/drivers/remoteproc/ti_k3_common.h
index f3400fc774766..c1af39cd288c1 100644
--- a/drivers/remoteproc/ti_k3_common.h
+++ b/drivers/remoteproc/ti_k3_common.h
@@ -91,4 +91,5 @@ struct k3_rproc {
 void k3_rproc_mbox_callback(struct mbox_client *client, void *data);
 void k3_rproc_kick(struct rproc *rproc, int vqid);
 int k3_rproc_reset(struct k3_rproc *kproc);
+int k3_rproc_release(struct k3_rproc *kproc);
 #endif /* REMOTEPROC_TI_K3_COMMON_H */
diff --git a/drivers/remoteproc/ti_k3_dsp_remoteproc.c 
b/drivers/remoteproc/ti_k3_dsp_remoteproc.c
index 08e6dde3ea267..577dcd65093a9 100644
--- a/drivers/remoteproc/ti_k3_dsp_remoteproc.c
+++ b/drivers/remoteproc/ti_k3_dsp_remoteproc.c
@@ -24,30 +24,6 @@
 
 #define KEYSTONE_RPROC_LOCAL_ADDRESS_MASK      (SZ_16M - 1)
 
-/* Release the DSP processor from reset */
-static int k3_dsp_rproc_release(struct k3_rproc *kproc)
-{
-       struct device *dev = kproc->dev;
-       int ret;
-
-       if (kproc->data->uses_lreset) {
-               ret = reset_control_deassert(kproc->reset);
-               if (ret) {
-                       dev_err(dev, "local-reset deassert failed, (%pe)\n", 
ERR_PTR(ret));
-                       if (kproc->ti_sci->ops.dev_ops.put_device(kproc->ti_sci,
-                                                                 
kproc->ti_sci_id))
-                               dev_warn(dev, "module-reset assert back 
failed\n");
-               }
-       } else {
-               ret = kproc->ti_sci->ops.dev_ops.get_device(kproc->ti_sci,
-                                                           kproc->ti_sci_id);
-               if (ret)
-                       dev_err(dev, "module-reset deassert failed (%pe)\n", 
ERR_PTR(ret));
-       }
-
-       return ret;
-}
-
 static int k3_dsp_rproc_request_mbox(struct rproc *rproc)
 {
        struct k3_rproc *kproc = rproc->priv;
@@ -156,7 +132,7 @@ static int k3_dsp_rproc_start(struct rproc *rproc)
        if (ret)
                return ret;
 
-       ret = k3_dsp_rproc_release(kproc);
+       ret = k3_rproc_release(kproc);
        if (ret)
                return ret;
 
diff --git a/drivers/remoteproc/ti_k3_m4_remoteproc.c 
b/drivers/remoteproc/ti_k3_m4_remoteproc.c
index 74f1b6c0a9562..aba3672facce0 100644
--- a/drivers/remoteproc/ti_k3_m4_remoteproc.c
+++ b/drivers/remoteproc/ti_k3_m4_remoteproc.c
@@ -21,30 +21,6 @@
 #include "ti_sci_proc.h"
 #include "ti_k3_common.h"
 
-/* Release the M4 remote processor from reset */
-static int k3_m4_rproc_release(struct k3_rproc *kproc)
-{
-       struct device *dev = kproc->dev;
-       int ret;
-
-       if (kproc->data->uses_lreset) {
-               ret = reset_control_deassert(kproc->reset);
-               if (ret) {
-                       dev_err(dev, "local-reset deassert failed, ret = %d\n", 
ret);
-                       if (kproc->ti_sci->ops.dev_ops.put_device(kproc->ti_sci,
-                                                                 
kproc->ti_sci_id))
-                               dev_warn(dev, "module-reset assert back 
failed\n");
-               }
-       } else {
-               ret = kproc->ti_sci->ops.dev_ops.get_device(kproc->ti_sci,
-                                                           kproc->ti_sci_id);
-               if (ret)
-                       dev_err(dev, "module-reset deassert failed, ret = 
%d\n", ret);
-       }
-
-       return ret;
-}
-
 static int k3_m4_rproc_ping_mbox(struct k3_rproc *kproc)
 {
        struct device *dev = kproc->dev;
@@ -377,7 +353,7 @@ static int k3_m4_rproc_start(struct rproc *rproc)
        if (ret)
                return ret;
 
-       ret = k3_m4_rproc_release(kproc);
+       ret = k3_rproc_release(kproc);
 
        return ret;
 }
-- 
2.34.1


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