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authorAlex Elder <elder@linaro.org>2021-06-11 15:39:39 -0500
committerDavid S. Miller <davem@davemloft.net>2021-06-11 14:13:18 -0700
commite22e8e2fae61de990e3a815a66f2ffa166669b8e (patch)
treeab66411b072882e81218be10dc9c4b6d5d6a7cd9 /drivers/net/ipa/ipa_main.c
parent9e8fb7bf9c8033e0617515d9a06c2ae9f58b812f (diff)
net: ipa: introduce ipa_version_valid()
Define and use a new function that just validates the version defined in configuration data. Signed-off-by: Alex Elder <elder@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ipa/ipa_main.c')
-rw-r--r--drivers/net/ipa/ipa_main.c27
1 files changed, 26 insertions, 1 deletions
diff --git a/drivers/net/ipa/ipa_main.c b/drivers/net/ipa/ipa_main.c
index 9915603ed10b..cbd39e4667a3 100644
--- a/drivers/net/ipa/ipa_main.c
+++ b/drivers/net/ipa/ipa_main.c
@@ -639,6 +639,27 @@ static void ipa_validate_build(void)
#endif /* IPA_VALIDATE */
}
+static bool ipa_version_valid(enum ipa_version version)
+{
+ switch (version) {
+ case IPA_VERSION_3_0:
+ case IPA_VERSION_3_1:
+ case IPA_VERSION_3_5:
+ case IPA_VERSION_3_5_1:
+ case IPA_VERSION_4_0:
+ case IPA_VERSION_4_1:
+ case IPA_VERSION_4_2:
+ case IPA_VERSION_4_5:
+ case IPA_VERSION_4_7:
+ case IPA_VERSION_4_9:
+ case IPA_VERSION_4_11:
+ return true;
+
+ default:
+ return false;
+ }
+}
+
/**
* ipa_probe() - IPA platform driver probe function
* @pdev: Platform device pointer
@@ -676,11 +697,15 @@ static int ipa_probe(struct platform_device *pdev)
/* Get configuration data early; needed for clock initialization */
data = of_device_get_match_data(dev);
if (!data) {
- /* This is really IPA_VALIDATE (should never happen) */
dev_err(dev, "matched hardware not supported\n");
return -ENODEV;
}
+ if (!ipa_version_valid(data->version)) {
+ dev_err(dev, "invalid IPA version\n");
+ return -EINVAL;
+ }
+
/* If we need Trust Zone, make sure it's available */
modem_init = of_property_read_bool(dev->of_node, "modem-init");
if (!modem_init)