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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 <claudiu.beznea@microchip.com>
Link: https://lkml.kernel.org/r/1588508289-10140-1-git-send-email-claudiu.beznea@microchip.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Claudiu Beznea 2020-05-03 15:18:08 +03:00 committed by Stephen Boyd
parent 99e107439e
commit f6363c437d
1 changed files with 2 additions and 0 deletions
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2
drivers/clk/at91/pmc.c
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@ -274,6 +274,8 @@ static int __init pmc_register_ops(void)
struct device_node *np; struct device_node *np;
np = of_find_matching_node(NULL, sama5d2_pmc_dt_ids); np = of_find_matching_node(NULL, sama5d2_pmc_dt_ids);
if (!np)
return -ENODEV;
pmcreg = device_node_to_regmap(np); pmcreg = device_node_to_regmap(np);
if (IS_ERR(pmcreg)) if (IS_ERR(pmcreg))