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Date: Sun, 6 Aug 2017 14:35:40 +0200
From: Hans de Goede <hdegoede@...hat.com>
To: Darren Hart <dvhart@...radead.org>,
Andy Shevchenko <andy@...radead.org>,
Wolfram Sang <wsa@...-dreams.de>,
Sebastian Reichel <sre@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Guenter Roeck <linux@...ck-us.net>,
Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Cc: Hans de Goede <hdegoede@...hat.com>,
platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-i2c@...r.kernel.org, Liam Breck <liam@...workimprov.net>,
Tony Lindgren <tony@...mide.com>, linux-pm@...r.kernel.org,
devel@...verdev.osuosl.org
Subject: [PATCH 03/18] staging: typec: tcpm: Split tcpm code into tcpm-core.c and tcpm-helpers.c
This is a preparation patch for adding more helpers.
Signed-off-by: Hans de Goede <hdegoede@...hat.com>
---
drivers/staging/typec/Makefile | 2 +
drivers/staging/typec/{tcpm.c => tcpm-core.c} | 40 ------------------
drivers/staging/typec/tcpm-helpers.c | 60 +++++++++++++++++++++++++++
3 files changed, 62 insertions(+), 40 deletions(-)
rename drivers/staging/typec/{tcpm.c => tcpm-core.c} (98%)
create mode 100644 drivers/staging/typec/tcpm-helpers.c
diff --git a/drivers/staging/typec/Makefile b/drivers/staging/typec/Makefile
index 30a7e29cbc9e..bb7472ec04ab 100644
--- a/drivers/staging/typec/Makefile
+++ b/drivers/staging/typec/Makefile
@@ -1,3 +1,5 @@
obj-$(CONFIG_TYPEC_TCPM) += tcpm.o
obj-$(CONFIG_TYPEC_TCPCI) += tcpci.o
obj-y += fusb302/
+
+tcpm-objs = tcpm-core.o tcpm-helpers.o
\ No newline at end of file
diff --git a/drivers/staging/typec/tcpm.c b/drivers/staging/typec/tcpm-core.c
similarity index 98%
rename from drivers/staging/typec/tcpm.c
rename to drivers/staging/typec/tcpm-core.c
index 06bb0e640bcf..9f5adace4309 100644
--- a/drivers/staging/typec/tcpm.c
+++ b/drivers/staging/typec/tcpm-core.c
@@ -16,7 +16,6 @@
#include <linux/completion.h>
#include <linux/debugfs.h>
-#include <linux/delay.h>
#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/module.h>
@@ -3533,45 +3532,6 @@ void tcpm_unregister_port(struct tcpm_port *port)
}
EXPORT_SYMBOL_GPL(tcpm_unregister_port);
-/* Generic (helper) implementations for some tcpc_dev callbacks */
-int tcpm_get_usb2_current_limit_extcon(struct tcpc_dev *tcpc)
-{
- struct extcon_dev *extcon = tcpc->usb2_extcon;
- int current_limit = 0;
- unsigned long timeout;
-
- if (!extcon)
- return 0;
-
- /*
- * USB2 Charger detection may still be in progress when we get here,
- * this can take upto 600ms, wait 800ms max.
- */
- timeout = jiffies + msecs_to_jiffies(800);
- do {
- if (extcon_get_state(extcon, EXTCON_CHG_USB_SDP) == 1) {
- current_limit = 500;
- break;
- }
-
- if (extcon_get_state(extcon, EXTCON_CHG_USB_CDP) == 1 ||
- extcon_get_state(extcon, EXTCON_CHG_USB_ACA) == 1) {
- current_limit = 1500;
- break;
- }
-
- if (extcon_get_state(extcon, EXTCON_CHG_USB_DCP) == 1) {
- current_limit = 2000;
- break;
- }
-
- msleep(50);
- } while (time_before(jiffies, timeout));
-
- return current_limit;
-}
-EXPORT_SYMBOL_GPL(tcpm_get_usb2_current_limit_extcon);
-
MODULE_AUTHOR("Guenter Roeck <groeck@...omium.org>");
MODULE_DESCRIPTION("USB Type-C Port Manager");
MODULE_LICENSE("GPL");
diff --git a/drivers/staging/typec/tcpm-helpers.c b/drivers/staging/typec/tcpm-helpers.c
new file mode 100644
index 000000000000..0c87ec9936e1
--- /dev/null
+++ b/drivers/staging/typec/tcpm-helpers.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2017 Hans de Goede <hdegoede@...hat.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/usb/typec.h>
+
+#include "tcpm.h"
+
+/* Generic (helper) implementations for some tcpc_dev callbacks */
+int tcpm_get_usb2_current_limit_extcon(struct tcpc_dev *tcpc)
+{
+ struct extcon_dev *extcon = tcpc->usb2_extcon;
+ int current_limit = 0;
+ unsigned long timeout;
+
+ if (!extcon)
+ return 0;
+
+ /*
+ * USB2 Charger detection may still be in progress when we get here,
+ * this can take upto 600ms, wait 800ms max.
+ */
+ timeout = jiffies + msecs_to_jiffies(800);
+ do {
+ if (extcon_get_state(extcon, EXTCON_CHG_USB_SDP) == 1) {
+ current_limit = 500;
+ break;
+ }
+
+ if (extcon_get_state(extcon, EXTCON_CHG_USB_CDP) == 1 ||
+ extcon_get_state(extcon, EXTCON_CHG_USB_ACA) == 1) {
+ current_limit = 1500;
+ break;
+ }
+
+ if (extcon_get_state(extcon, EXTCON_CHG_USB_DCP) == 1) {
+ current_limit = 2000;
+ break;
+ }
+
+ msleep(50);
+ } while (time_before(jiffies, timeout));
+
+ return current_limit;
+}
+EXPORT_SYMBOL_GPL(tcpm_get_usb2_current_limit_extcon);
--
2.13.3
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