| From | Borislav Petkov <> | Subject | [PATCH v0 04/42] clk: renesas: Check notifier registration return value | Date | Mon, 8 Nov 2021 11:11:19 +0100 |
| |
From: Borislav Petkov <bp@suse.de>
Avoid homegrown notifier registration checks.
No functional changes.
Signed-off-by: Borislav Petkov <bp@suse.de> Cc: linux-renesas-soc@vger.kernel.org Cc: linux-clk@vger.kernel.org --- drivers/clk/renesas/clk-div6.c | 4 +++- drivers/clk/renesas/rcar-cpg-lib.c | 4 +++- 2 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/clk/renesas/clk-div6.c b/drivers/clk/renesas/clk-div6.c index 3abd6e5400ad..7d89ca01889a 100644 --- a/drivers/clk/renesas/clk-div6.c +++ b/drivers/clk/renesas/clk-div6.c @@ -306,7 +306,9 @@ struct clk * __init cpg_div6_register(const char *name, if (notifiers) { clock->nb.notifier_call = cpg_div6_clock_notifier_call; - raw_notifier_chain_register(notifiers, &clock->nb); + + if (raw_notifier_chain_register(notifiers, &clock->nb)) + pr_warn("CPG DIV6 clock notifier already registered\n"); } return clk; diff --git a/drivers/clk/renesas/rcar-cpg-lib.c b/drivers/clk/renesas/rcar-cpg-lib.c index e93f0011eb07..fbbb6f4a8148 100644 --- a/drivers/clk/renesas/rcar-cpg-lib.c +++ b/drivers/clk/renesas/rcar-cpg-lib.c @@ -59,7 +59,9 @@ void cpg_simple_notifier_register(struct raw_notifier_head *notifiers, struct cpg_simple_notifier *csn) { csn->nb.notifier_call = cpg_simple_notifier_call; - raw_notifier_chain_register(notifiers, &csn->nb); + + if (raw_notifier_chain_register(notifiers, &csn->nb)) + pr_warn("CPG notifier already registered\n"); } /* -- 2.29.2
|