The .detach rproc ops implementations in TI K3 R5, DSP and M4 remoteproc drivers are NOPs. Refactor the implementations into ti_k3_common.c driver as k3_rproc_detach() and register this common function as .detach ops in R5, DSP and M4 drivers.
Signed-off-by: Beleswar Padhi <b-pa...@ti.com> --- v10: Changelog: 1. Don't remove dsp func override. Already done by [v10 20/33] patch. Link to v9: https://lore.kernel.org/all/20250317120622.1746415-21-b-pa...@ti.com/ drivers/remoteproc/ti_k3_common.c | 10 ++++++++++ drivers/remoteproc/ti_k3_common.h | 1 + drivers/remoteproc/ti_k3_dsp_remoteproc.c | 11 +---------- drivers/remoteproc/ti_k3_m4_remoteproc.c | 14 +------------- drivers/remoteproc/ti_k3_r5_remoteproc.c | 11 +---------- 5 files changed, 14 insertions(+), 33 deletions(-) diff --git a/drivers/remoteproc/ti_k3_common.c b/drivers/remoteproc/ti_k3_common.c index 54c1604cd4396..98f638fe3fe6b 100644 --- a/drivers/remoteproc/ti_k3_common.c +++ b/drivers/remoteproc/ti_k3_common.c @@ -310,5 +310,15 @@ EXPORT_SYMBOL_GPL(k3_rproc_stop); int k3_rproc_attach(struct rproc *rproc) { return 0; } EXPORT_SYMBOL_GPL(k3_rproc_attach); +/* + * Detach from a running remote processor (IPC-only mode) + * + * The rproc detach callback is a NOP. The remote processor is not stopped and + * will be left in booted state in IPC-only mode. This callback is invoked only + * in IPC-only mode and exists for sanity sake + */ +int k3_rproc_detach(struct rproc *rproc) { return 0; } +EXPORT_SYMBOL_GPL(k3_rproc_detach); + 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 93f41ee415058..97345349b818a 100644 --- a/drivers/remoteproc/ti_k3_common.h +++ b/drivers/remoteproc/ti_k3_common.h @@ -98,4 +98,5 @@ int k3_rproc_unprepare(struct rproc *rproc); int k3_rproc_start(struct rproc *rproc); int k3_rproc_stop(struct rproc *rproc); int k3_rproc_attach(struct rproc *rproc); +int k3_rproc_detach(struct rproc *rproc); #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 12858c7f1958d..a62a69d9f80ed 100644 --- a/drivers/remoteproc/ti_k3_dsp_remoteproc.c +++ b/drivers/remoteproc/ti_k3_dsp_remoteproc.c @@ -58,15 +58,6 @@ static int k3_dsp_rproc_start(struct rproc *rproc) return 0; } -/* - * Detach from a running DSP remote processor (IPC-only mode) - * - * This rproc detach callback is a NOP. The DSP core is not stopped and will be - * left to continue to run its booted firmware. This callback is invoked only in - * IPC-only mode and exists for sanity sake. - */ -static int k3_dsp_rproc_detach(struct rproc *rproc) { return 0; } - /* * This function implements the .get_loaded_rsc_table() callback and is used * to provide the resource table for a booted DSP in IPC-only mode. The K3 DSP @@ -162,7 +153,7 @@ static const struct rproc_ops k3_dsp_rproc_ops = { .start = k3_dsp_rproc_start, .stop = k3_rproc_stop, .attach = k3_rproc_attach, - .detach = k3_dsp_rproc_detach, + .detach = k3_rproc_detach, .kick = k3_rproc_kick, .da_to_va = k3_dsp_rproc_da_to_va, .get_loaded_rsc_table = k3_dsp_get_loaded_rsc_table, diff --git a/drivers/remoteproc/ti_k3_m4_remoteproc.c b/drivers/remoteproc/ti_k3_m4_remoteproc.c index add1f3e670f5d..0884087cc9f9d 100644 --- a/drivers/remoteproc/ti_k3_m4_remoteproc.c +++ b/drivers/remoteproc/ti_k3_m4_remoteproc.c @@ -244,25 +244,13 @@ static void k3_m4_release_tsp(void *data) ti_sci_proc_release(tsp); } -/* - * Detach from a running M4 remote processor (IPC-only mode) - * - * This rproc detach callback performs the opposite operation to attach - * callback, the M4 core is not stopped and will be left to continue to - * run its booted firmware. This callback is invoked only in IPC-only mode. - */ -static int k3_m4_rproc_detach(struct rproc *rproc) -{ - return 0; -} - static const struct rproc_ops k3_m4_rproc_ops = { .prepare = k3_rproc_prepare, .unprepare = k3_rproc_unprepare, .start = k3_rproc_start, .stop = k3_rproc_stop, .attach = k3_rproc_attach, - .detach = k3_m4_rproc_detach, + .detach = k3_rproc_detach, .kick = k3_rproc_kick, .da_to_va = k3_m4_rproc_da_to_va, .get_loaded_rsc_table = k3_m4_get_loaded_rsc_table, diff --git a/drivers/remoteproc/ti_k3_r5_remoteproc.c b/drivers/remoteproc/ti_k3_r5_remoteproc.c index 13bccd7296f68..49b576872103e 100644 --- a/drivers/remoteproc/ti_k3_r5_remoteproc.c +++ b/drivers/remoteproc/ti_k3_r5_remoteproc.c @@ -559,15 +559,6 @@ static int k3_r5_rproc_stop(struct rproc *rproc) return ret; } -/* - * Detach from a running R5F remote processor (IPC-only mode) - * - * The R5F detach callback is a NOP. The R5F cores are not stopped and will be - * left in booted state in IPC-only mode. This callback is invoked only in - * IPC-only mode and exists for sanity sake. - */ -static int k3_r5_rproc_detach(struct rproc *rproc) { return 0; } - /* * This function implements the .get_loaded_rsc_table() callback and is used * to provide the resource table for the booted R5F in IPC-only mode. The K3 R5F @@ -1049,7 +1040,7 @@ static int k3_r5_rproc_configure_mode(struct k3_rproc *kproc) kproc->rproc->ops->start = NULL; kproc->rproc->ops->stop = NULL; kproc->rproc->ops->attach = k3_rproc_attach; - kproc->rproc->ops->detach = k3_r5_rproc_detach; + kproc->rproc->ops->detach = k3_rproc_detach; kproc->rproc->ops->get_loaded_rsc_table = k3_r5_get_loaded_rsc_table; } else if (!c_state) { -- 2.34.1