[PATCH AUTOSEL 4.19 394/671] cpufreq: brcmstb-avs-cpufreq: Fix initial command check

Sasha Levin sashal at kernel.org
Thu Jan 16 09:00:32 PST 2020


From: Florian Fainelli <f.fainelli at gmail.com>

[ Upstream commit 22a26cc6a51ef73dcfeb64c50513903f6b2d53d8 ]

There is a logical error in brcm_avs_is_firmware_loaded() whereby if the
firmware returns -EINVAL, we will be reporting this as an error. The
comment is correct, the code was not.

Fixes: de322e085995 ("cpufreq: brcmstb-avs-cpufreq: AVS CPUfreq driver for Broadcom STB SoCs")
Signed-off-by: Florian Fainelli <f.fainelli at gmail.com>
Acked-by: Markus Mayer <mmayer at broadcom.com>
Signed-off-by: Viresh Kumar <viresh.kumar at linaro.org>
Signed-off-by: Sasha Levin <sashal at kernel.org>
---
 drivers/cpufreq/brcmstb-avs-cpufreq.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/cpufreq/brcmstb-avs-cpufreq.c b/drivers/cpufreq/brcmstb-avs-cpufreq.c
index e6f9cbe5835f..6ed53ca8aa98 100644
--- a/drivers/cpufreq/brcmstb-avs-cpufreq.c
+++ b/drivers/cpufreq/brcmstb-avs-cpufreq.c
@@ -446,8 +446,8 @@ static bool brcm_avs_is_firmware_loaded(struct private_data *priv)
 	rc = brcm_avs_get_pmap(priv, NULL);
 	magic = readl(priv->base + AVS_MBOX_MAGIC);
 
-	return (magic == AVS_FIRMWARE_MAGIC) && (rc != -ENOTSUPP) &&
-		(rc != -EINVAL);
+	return (magic == AVS_FIRMWARE_MAGIC) && ((rc != -ENOTSUPP) ||
+		(rc != -EINVAL));
 }
 
 static unsigned int brcm_avs_cpufreq_get(unsigned int cpu)
-- 
2.20.1




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