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authorPeter Chen <peter.chen@freescale.com>2015-03-17 10:40:50 +0800
committerPeter Chen <peter.chen@freescale.com>2015-08-14 09:13:11 +0800
commitbf9c85e78d0fec61360ece46dacf9ab71ba89361 (patch)
tree1356a3a4348e74f3539c194b9a969fe3864cb088 /drivers/usb/chipidea
parent9d2effea12a3a7139daf04a2be97f18d3e6913a3 (diff)
downloadlinux-bf9c85e78d0fec61360ece46dacf9ab71ba89361.tar.bz2
usb: chipidea: introduce ci_platform_configure
It is used to configure controller parameters according to platform data, like speed, stream mode, etc, both host and device's initialization need it, most of code are the same for both roles, with this new interface, it can reduce the duplicated code and be easy to maintain in future. Signed-off-by: Peter Chen <peter.chen@freescale.com>
Diffstat (limited to 'drivers/usb/chipidea')
-rw-r--r--drivers/usb/chipidea/ci.h2
-rw-r--r--drivers/usb/chipidea/core.c34
-rw-r--r--drivers/usb/chipidea/host.c9
3 files changed, 27 insertions, 18 deletions
diff --git a/drivers/usb/chipidea/ci.h b/drivers/usb/chipidea/ci.h
index df57e49ed4ef..1320a4dbbcd5 100644
--- a/drivers/usb/chipidea/ci.h
+++ b/drivers/usb/chipidea/ci.h
@@ -427,4 +427,6 @@ u8 hw_port_test_get(struct ci_hdrc *ci);
int hw_wait_reg(struct ci_hdrc *ci, enum ci_hw_regs reg, u32 mask,
u32 value, unsigned int timeout_ms);
+void ci_platform_configure(struct ci_hdrc *ci);
+
#endif /* __DRIVERS_USB_CHIPIDEA_CI_H */
diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
index b0d01f26cd5e..1b1dd80897f7 100644
--- a/drivers/usb/chipidea/core.c
+++ b/drivers/usb/chipidea/core.c
@@ -405,6 +405,28 @@ static int ci_usb_phy_init(struct ci_hdrc *ci)
return ret;
}
+
+/**
+ * ci_platform_configure: do controller configure
+ * @ci: the controller
+ *
+ */
+void ci_platform_configure(struct ci_hdrc *ci)
+{
+ if (ci->platdata->flags & CI_HDRC_DISABLE_STREAMING)
+ hw_write(ci, OP_USBMODE, USBMODE_CI_SDIS, USBMODE_CI_SDIS);
+
+ if (ci->platdata->flags & CI_HDRC_FORCE_FULLSPEED) {
+ if (ci->hw_bank.lpm)
+ hw_write(ci, OP_DEVLC, DEVLC_PFSC, DEVLC_PFSC);
+ else
+ hw_write(ci, OP_PORTSC, PORTSC_PFSC, PORTSC_PFSC);
+ }
+
+ if (ci->platdata->flags & CI_HDRC_SET_NON_ZERO_TTHA)
+ hw_write(ci, OP_TTCTRL, TTCTRL_TTHA_MASK, TTCTRL_TTHA);
+}
+
/**
* hw_controller_reset: do controller reset
* @ci: the controller
@@ -449,16 +471,6 @@ int hw_device_reset(struct ci_hdrc *ci)
ci->platdata->notify_event(ci,
CI_HDRC_CONTROLLER_RESET_EVENT);
- if (ci->platdata->flags & CI_HDRC_DISABLE_STREAMING)
- hw_write(ci, OP_USBMODE, USBMODE_CI_SDIS, USBMODE_CI_SDIS);
-
- if (ci->platdata->flags & CI_HDRC_FORCE_FULLSPEED) {
- if (ci->hw_bank.lpm)
- hw_write(ci, OP_DEVLC, DEVLC_PFSC, DEVLC_PFSC);
- else
- hw_write(ci, OP_PORTSC, PORTSC_PFSC, PORTSC_PFSC);
- }
-
/* USBMODE should be configured step by step */
hw_write(ci, OP_USBMODE, USBMODE_CM, USBMODE_CM_IDLE);
hw_write(ci, OP_USBMODE, USBMODE_CM, USBMODE_CM_DC);
@@ -471,6 +483,8 @@ int hw_device_reset(struct ci_hdrc *ci)
return -ENODEV;
}
+ ci_platform_configure(ci);
+
return 0;
}
diff --git a/drivers/usb/chipidea/host.c b/drivers/usb/chipidea/host.c
index b01716c8c66b..44554318db8a 100644
--- a/drivers/usb/chipidea/host.c
+++ b/drivers/usb/chipidea/host.c
@@ -153,14 +153,7 @@ static int host_start(struct ci_hdrc *ci)
}
}
- if (ci->platdata->flags & CI_HDRC_DISABLE_STREAMING)
- hw_write(ci, OP_USBMODE, USBMODE_CI_SDIS, USBMODE_CI_SDIS);
-
- if (ci->platdata->flags & CI_HDRC_FORCE_FULLSPEED)
- hw_write(ci, OP_PORTSC, PORTSC_PFSC, PORTSC_PFSC);
-
- if (ci->platdata->flags & CI_HDRC_SET_NON_ZERO_TTHA)
- hw_write(ci, OP_TTCTRL, TTCTRL_TTHA_MASK, TTCTRL_TTHA);
+ ci_platform_configure(ci);
return ret;