Define a new value "skip" for the "qcom,gsi-loader" Device Tree
property. If used, it indicates that neither the AP nor the modem
need to load GSI firmware (because it has already been loaded--for
example by the boot loader).
Signed-off-by: Alex Elder <elder@xxxxxxxxxx>
---
drivers/net/ipa/ipa_main.c | 16 ++++++++++++----
1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ipa/ipa_main.c b/drivers/net/ipa/ipa_main.c
index 214e524dce795..8f20825675a1a 100644
--- a/drivers/net/ipa/ipa_main.c
+++ b/drivers/net/ipa/ipa_main.c
@@ -87,12 +87,14 @@
* @IPA_LOADER_DEFER: System not ready; try again later
* @IPA_LOADER_SELF: AP loads GSI firmware
* @IPA_LOADER_MODEM: Modem loads GSI firmware, signals when done
+ * @IPA_LOADER_SKIP: Neither AP nor modem need to load GSI firmware
* @IPA_LOADER_INVALID: GSI firmware loader specification is invalid
*/
enum ipa_firmware_loader {
IPA_LOADER_DEFER,
IPA_LOADER_SELF,
IPA_LOADER_MODEM,
+ IPA_LOADER_SKIP,
IPA_LOADER_INVALID,
};
@@ -740,6 +742,10 @@ static enum ipa_firmware_loader ipa_firmware_loader(struct device *dev)
if (!strcmp(str, "modem"))
return IPA_LOADER_MODEM;
+ /* No GSI firmware load is needed for "skip" */
+ if (!strcmp(str, "skip"))
+ return IPA_LOADER_SKIP;
+
/* Any value other than "self" is an error */
if (strcmp(str, "self"))
return IPA_LOADER_INVALID;
@@ -872,10 +878,12 @@ static int ipa_probe(struct platform_device *pdev)
if (loader == IPA_LOADER_MODEM)
goto done;
- /* The AP is loading GSI firmware; do so now */
- ret = ipa_firmware_load(dev);
- if (ret)
- goto err_deconfig;
+ if (loader == IPA_LOADER_SELF) {
+ /* The AP is loading GSI firmware; do so now */
+ ret = ipa_firmware_load(dev);
+ if (ret)
+ goto err_deconfig;
+ } /* Otherwise loader == IPA_LOADER_SKIP */
/* GSI firmware is loaded; proceed to setup */
ret = ipa_setup(ipa);
--
2.34.1
