hwrng: atmel - disable trng on failure path

stable inclusion
from stable-v5.10.110
commit a4067ccb97e5eb7cf7da5132139d7678ab97cde0
bugzilla: https://gitee.com/openeuler/kernel/issues/I574AL

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=a4067ccb97e5eb7cf7da5132139d7678ab97cde0

--------------------------------

[ Upstream commit a223ea9f ]

Call atmel_trng_disable() on failure path of probe.

Fixes: a1fa98d8 ("hwrng: atmel - disable TRNG during suspend")
Signed-off-by: NClaudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: NSasha Levin <sashal@kernel.org>
Signed-off-by: NYu Liao <liaoyu15@huawei.com>
Reviewed-by: NWei Li <liwei391@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

drivers/char/hw_random/atmel-rng.c

@@ -114,6 +114,7 @@ static int atmel_trng_probe(struct platform_device *pdev)
 
 err_register:
 	clk_disable_unprepare(trng->clk);
+	atmel_trng_disable(trng);
 	return ret;
 }