diff options
| author |   Claudiu Beznea <claudiu.beznea@microchip.com> | 2020-05-03 15:18:08 +0300 |
|---|---|---|
| committer |   Stephen Boyd <sboyd@kernel.org> | 2020-05-26 20:22:02 -0700 |
| commit | f6363c437dc6e287259c05849286bf0faefb0fdd (patch) | |
| tree | f6ce4bcaea581f5e4a3ce6e4ca59f60fbbf11caa /drivers/clk/at91 | |
| parent | clk: at91: Add peripheral clock for PTC (diff) | |
| download | wireguard-linux-f6363c437dc6e287259c05849286bf0faefb0fdd.tar.xz wireguard-linux-f6363c437dc6e287259c05849286bf0faefb0fdd.zip | |
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>
Diffstat (limited to 'drivers/clk/at91')
| -rw-r--r-- | drivers/clk/at91/pmc.c | 2 |
1 files changed, 2 insertions, 0 deletions
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)) |