Merge tag 'qcom-drivers-for-4.9' of...

Merge tag 'qcom-drivers-for-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/drivers

Pull "Qualcomm ARM Based Driver Updates for v4.9" from Andy Gross:

* Silence smem probe defer messages
* Make scm explicitly non-modular
* Assorted SMD bug fixes and minor changes
* Add PM8018 RTC support

* tag 'qcom-drivers-for-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
  rtc: rtc-pm8xxx: Add support for pm8018 rtc
  soc: qcom: smd: Reset rx tail rather than tx
  soc: qcom: smd: Represent smd edges as devices
  soc: qcom: smd: Request irqs after parsing properties
  soc: qcom: smd: Simplify multi channel handling
  soc: qcom: smd: Correct compile stub prototypes
  firmware: qcom_scm: make it explicitly non-modular
  soc: qcom: smem: Silence probe defer error

Documentation/devicetree/bindings/mfd/qcom-pm8xxx.txt

@@ -62,6 +62,7 @@ The below bindings specify the set of valid subnodes.
 		    "qcom,pm8058-rtc"
 		    "qcom,pm8921-rtc"
 		    "qcom,pm8941-rtc"
+		    "qcom,pm8018-rtc"
 
 - reg:
 	Usage: required

drivers/firmware/qcom_scm.c

-/* Copyright (c) 2010,2015, The Linux Foundation. All rights reserved.
+/*
+ * Qualcomm SCM driver
+ *
+ * Copyright (c) 2010,2015, The Linux Foundation. All rights reserved.
  * Copyright (C) 2015 Linaro Ltd.
  *
  * This program is free software; you can redistribute it and/or modify
@@ -12,7 +15,7 @@
  *
  */
 #include <linux/platform_device.h>
-#include <linux/module.h>
+#include <linux/init.h>
 #include <linux/cpumask.h>
 #include <linux/export.h>
 #include <linux/dma-mapping.h>
@@ -376,8 +379,6 @@ static const struct of_device_id qcom_scm_dt_match[] = {
 	{}
 };
 
-MODULE_DEVICE_TABLE(of, qcom_scm_dt_match);
-
 static struct platform_driver qcom_scm_driver = {
 	.driver = {
 		.name	= "qcom_scm",
@@ -414,14 +415,4 @@ static int __init qcom_scm_init(void)
 
 	return platform_driver_register(&qcom_scm_driver);
 }
-
 subsys_initcall(qcom_scm_init);
-
-static void __exit qcom_scm_exit(void)
-{
-	platform_driver_unregister(&qcom_scm_driver);
-}
-module_exit(qcom_scm_exit);
-
-MODULE_DESCRIPTION("Qualcomm SCM driver");
-MODULE_LICENSE("GPL v2");

drivers/rtc/rtc-pm8xxx.c

@@ -428,6 +428,7 @@ static const struct pm8xxx_rtc_regs pm8941_regs = {
  */
 static const struct of_device_id pm8xxx_id_table[] = {
 	{ .compatible = "qcom,pm8921-rtc", .data = &pm8921_regs },
+	{ .compatible = "qcom,pm8018-rtc", .data = &pm8921_regs },
 	{ .compatible = "qcom,pm8058-rtc", .data = &pm8058_regs },
 	{ .compatible = "qcom,pm8941-rtc", .data = &pm8941_regs },
 	{ },

drivers/soc/qcom/smem.c

@@ -740,7 +740,8 @@ static int qcom_smem_probe(struct platform_device *pdev)
 
 	hwlock_id = of_hwspin_lock_get_id(pdev->dev.of_node, 0);
 	if (hwlock_id < 0) {
-		dev_err(&pdev->dev, "failed to retrieve hwlock\n");
+		if (hwlock_id != -EPROBE_DEFER)
+			dev_err(&pdev->dev, "failed to retrieve hwlock\n");
 		return hwlock_id;
 	}
 

include/linux/soc/qcom/smd.h

@@ -55,11 +55,16 @@ void qcom_smd_driver_unregister(struct qcom_smd_driver *drv);
 struct qcom_smd_channel *qcom_smd_open_channel(struct qcom_smd_channel *channel,
 					       const char *name,
 					       qcom_smd_cb_t cb);
+void qcom_smd_close_channel(struct qcom_smd_channel *channel);
 void *qcom_smd_get_drvdata(struct qcom_smd_channel *channel);
 void qcom_smd_set_drvdata(struct qcom_smd_channel *channel, void *data);
 int qcom_smd_send(struct qcom_smd_channel *channel, const void *data, int len);
 
 
+struct qcom_smd_edge *qcom_smd_register_edge(struct device *parent,
+					     struct device_node *node);
+int qcom_smd_unregister_edge(struct qcom_smd_edge *edge);
+
 #else
 
 static inline int qcom_smd_driver_register(struct qcom_smd_driver *drv)
@@ -83,14 +88,20 @@ qcom_smd_open_channel(struct qcom_smd_channel *channel,
 	return NULL;
 }
 
-void *qcom_smd_get_drvdata(struct qcom_smd_channel *channel)
+static inline void qcom_smd_close_channel(struct qcom_smd_channel *channel)
+{
+	/* This shouldn't be possible */
+	WARN_ON(1);
+}
+
+static inline void *qcom_smd_get_drvdata(struct qcom_smd_channel *channel)
 {
 	/* This shouldn't be possible */
 	WARN_ON(1);
 	return NULL;
 }
 
-void qcom_smd_set_drvdata(struct qcom_smd_channel *channel, void *data)
+static inline void qcom_smd_set_drvdata(struct qcom_smd_channel *channel, void *data)
 {
 	/* This shouldn't be possible */
 	WARN_ON(1);
@@ -104,6 +115,20 @@ static inline int qcom_smd_send(struct qcom_smd_channel *channel,
 	return -ENXIO;
 }
 
+static inline struct qcom_smd_edge *
+qcom_smd_register_edge(struct device *parent,
+		       struct device_node *node)
+{
+	return ERR_PTR(-ENXIO);
+}
+
+static inline int qcom_smd_unregister_edge(struct qcom_smd_edge *edge)
+{
+	/* This shouldn't be possible */
+	WARN_ON(1);
+	return -ENXIO;
+}
+
 #endif
 
 #define module_qcom_smd_driver(__smd_driver) \