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usb: chipidea: export interrupt enable and status register read functions

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This patch moves usb interrupt enable and status register read functions
from udc driver to core driver to use them in all ci drivers.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Acked-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Li Jun <b47624@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Li Jun 2014-04-23 15:56:39 +08:00 committed by Greg Kroah-Hartman
parent 0c33bf781a
commit 36304b0616
3 changed files with 24 additions and 20 deletions
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4
drivers/usb/chipidea/ci.h
View file

@ -319,6 +319,10 @@ static inline u32 hw_test_and_write(struct ci_hdrc *ci, enum ci_hw_regs reg,
return (val & mask) >> __ffs(mask);
}
u32 hw_read_intr_enable(struct ci_hdrc *ci);
u32 hw_read_intr_status(struct ci_hdrc *ci);
int hw_device_reset(struct ci_hdrc *ci, u32 mode);
int hw_port_test_set(struct ci_hdrc *ci, u8 mode);

20
drivers/usb/chipidea/core.c
View file

@ -139,6 +139,26 @@ static int hw_alloc_regmap(struct ci_hdrc *ci, bool is_lpm)
return 0;
}
/**
* hw_read_intr_enable: returns interrupt enable register
*
* This function returns register data
*/
u32 hw_read_intr_enable(struct ci_hdrc *ci)
{
return hw_read(ci, OP_USBINTR, ~0);
}
/**
* hw_read_intr_status: returns interrupt status register
*
* This function returns register data
*/
u32 hw_read_intr_status(struct ci_hdrc *ci)
{
return hw_read(ci, OP_USBSTS, ~0);
}
/**
* hw_port_test_set: writes port test mode (execute without interruption)
* @mode: new value

20
drivers/usb/chipidea/udc.c
View file

@ -241,26 +241,6 @@ static int hw_port_is_high_speed(struct ci_hdrc *ci)
hw_read(ci, OP_PORTSC, PORTSC_HSP);
}
/**
* hw_read_intr_enable: returns interrupt enable register
*
* This function returns register data
*/
static u32 hw_read_intr_enable(struct ci_hdrc *ci)
{
return hw_read(ci, OP_USBINTR, ~0);
}
/**
* hw_read_intr_status: returns interrupt status register
*
* This function returns register data
*/
static u32 hw_read_intr_status(struct ci_hdrc *ci)
{
return hw_read(ci, OP_USBSTS, ~0);
}
/**
* hw_test_and_clear_complete: test & clear complete status (execute without
* interruption)