From f6363c437dc6e287259c05849286bf0faefb0fdd Mon Sep 17 00:00:00 2001 From: Claudiu Beznea Date: Sun, 3 May 2020 15:18:08 +0300 Subject: clk: at91: pmc: do not continue if compatible not located pmc_register_ops() is called for all AT91 devices. Return -ENODEV in case of_find_matching_node() returns NULL. Signed-off-by: Claudiu Beznea Link: https://lkml.kernel.org/r/1588508289-10140-1-git-send-email-claudiu.beznea@microchip.com Signed-off-by: Stephen Boyd --- drivers/clk/at91/pmc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/clk/at91/pmc.c b/drivers/clk/at91/pmc.c index b71515acdec1..bf0570e66fc1 100644 --- a/drivers/clk/at91/pmc.c +++ b/drivers/clk/at91/pmc.c @@ -274,6 +274,8 @@ static int __init pmc_register_ops(void) struct device_node *np; np = of_find_matching_node(NULL, sama5d2_pmc_dt_ids); + if (!np) + return -ENODEV; pmcreg = device_node_to_regmap(np); if (IS_ERR(pmcreg)) -- cgit v1.2.3