mailbox: qcom-apcs-ipc: do not grow the of_device_id

Re-organize the compatible devices and add a comment to avoid unneeded
of_device_id growth with every new SoC.  These devices have quite a lot
of similarities and they can use only one compatible fallback for driver
binding.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>

drivers/mailbox/qcom-apcs-ipc-mailbox.c

@@ -141,9 +141,7 @@ static int qcom_apcs_ipc_remove(struct platform_device *pdev)
 
 /* .data is the offset of the ipc register within the global block */
 static const struct of_device_id qcom_apcs_ipc_of_match[] = {
-	{ .compatible = "qcom,ipq5332-apcs-apps-global", .data = &ipq6018_apcs_data },
 	{ .compatible = "qcom,ipq6018-apcs-apps-global", .data = &ipq6018_apcs_data },
-	{ .compatible = "qcom,ipq8074-apcs-apps-global", .data = &ipq6018_apcs_data },
 	{ .compatible = "qcom,msm8916-apcs-kpss-global", .data = &msm8916_apcs_data },
 	{ .compatible = "qcom,msm8939-apcs-kpss-global", .data = &msm8916_apcs_data },
 	{ .compatible = "qcom,msm8953-apcs-kpss-global", .data = &msm8994_apcs_data },
@@ -153,15 +151,18 @@ static const struct of_device_id qcom_apcs_ipc_of_match[] = {
 	{ .compatible = "qcom,msm8998-apcs-hmss-global", .data = &msm8994_apcs_data },
 	{ .compatible = "qcom,qcm2290-apcs-hmss-global", .data = &msm8994_apcs_data },
 	{ .compatible = "qcom,qcs404-apcs-apps-global", .data = &msm8916_apcs_data },
-	{ .compatible = "qcom,sc7180-apss-shared", .data = &apps_shared_apcs_data },
-	{ .compatible = "qcom,sc8180x-apss-shared", .data = &apps_shared_apcs_data },
 	{ .compatible = "qcom,sdm660-apcs-hmss-global", .data = &msm8994_apcs_data },
 	{ .compatible = "qcom,sdm845-apss-shared", .data = &apps_shared_apcs_data },
 	{ .compatible = "qcom,sm4250-apcs-hmss-global", .data = &msm8994_apcs_data },
 	{ .compatible = "qcom,sm6125-apcs-hmss-global", .data = &msm8994_apcs_data },
-	{ .compatible = "qcom,sm8150-apss-shared", .data = &apps_shared_apcs_data },
 	{ .compatible = "qcom,sm6115-apcs-hmss-global", .data = &msm8994_apcs_data },
 	{ .compatible = "qcom,sdx55-apcs-gcc", .data = &sdx55_apcs_data },
+	/* Do not add any more entries using existing driver data */
+	{ .compatible = "qcom,ipq5332-apcs-apps-global", .data = &ipq6018_apcs_data },
+	{ .compatible = "qcom,ipq8074-apcs-apps-global", .data = &ipq6018_apcs_data },
+	{ .compatible = "qcom,sc7180-apss-shared", .data = &apps_shared_apcs_data },
+	{ .compatible = "qcom,sc8180x-apss-shared", .data = &apps_shared_apcs_data },
+	{ .compatible = "qcom,sm8150-apss-shared", .data = &apps_shared_apcs_data },
 	{}
 };
 MODULE_DEVICE_TABLE(of, qcom_apcs_ipc_of_match);