If the driver is built as a module, autoload won't work because the module
alias information is not filled. So user-space can't match the registered
device with the corresponding module if the device isn't registered via OF.
Export the module alias information using the MODULE_DEVICE_TABLE() macro.
Before this patch:
$ modinfo drivers/crypto/picoxcell_crypto.ko | grep alias
alias: of:N*T*Cpicochip,spacc-l2C*
alias: of:N*T*Cpicochip,spacc-l2
alias: of:N*T*Cpicochip,spacc-ipsecC*
alias: of:N*T*Cpicochip,spacc-ipsec
After this patch:
$ modinfo drivers/crypto/picoxcell_crypto.ko | grep alias
alias: of:N*T*Cpicochip,spacc-l2C*
alias: of:N*T*Cpicochip,spacc-l2
alias: of:N*T*Cpicochip,spacc-ipsecC*
alias: of:N*T*Cpicochip,spacc-ipsec
alias: platform:picochip,spacc-l2
alias: platform:picochip,spacc-ipsec
Signed-off-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>
---
drivers/crypto/picoxcell_crypto.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/crypto/picoxcell_crypto.c b/drivers/crypto/picoxcell_crypto.c
index 47576098831f..64449b7c00af 100644
--- a/drivers/crypto/picoxcell_crypto.c
+++ b/drivers/crypto/picoxcell_crypto.c
@@ -1808,6 +1808,7 @@ static const struct platform_device_id spacc_id_table[] = {
{ "picochip,spacc-l2", },
{ }
};
+MODULE_DEVICE_TABLE(platform, spacc_id_table);
static struct platform_driver spacc_driver = {
.probe = spacc_probe,
--
2.7.4
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