diff options
| author | Li Jun <b47624@freescale.com> | 2014-04-23 15:56:38 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-04-24 12:56:34 -0700 |
| commit | 0c33bf781a0da4bdab207ccc323c9afa940852af (patch) | |
| tree | 944dc5e1c996ff80edce93442ec462be3fedfbfa /drivers/usb/chipidea/udc.c | |
| parent | d03cccff9c768342d9576dde744ab3acb69d3ad4 (diff) | |
usb: chipidea: operate on otgsc register in a general way
Use a more general way to read and write otgsc register.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Li Jun <b47624@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/chipidea/udc.c')
| -rw-r--r-- | drivers/usb/chipidea/udc.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index 7739c64ef25..798943b6ef7 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -1843,21 +1843,22 @@ void ci_hdrc_gadget_destroy(struct ci_hdrc *ci) static int udc_id_switch_for_device(struct ci_hdrc *ci) { - if (ci->is_otg) { - ci_clear_otg_interrupt(ci, OTGSC_BSVIS); - ci_enable_otg_interrupt(ci, OTGSC_BSVIE); - } + if (ci->is_otg) + /* Clear and enable BSV irq */ + hw_write_otgsc(ci, OTGSC_BSVIS | OTGSC_BSVIE, + OTGSC_BSVIS | OTGSC_BSVIE); return 0; } static void udc_id_switch_for_host(struct ci_hdrc *ci) { - if (ci->is_otg) { - /* host doesn't care B_SESSION_VALID event */ - ci_clear_otg_interrupt(ci, OTGSC_BSVIS); - ci_disable_otg_interrupt(ci, OTGSC_BSVIE); - } + /* + * host doesn't care B_SESSION_VALID event + * so clear and disbale BSV irq + */ + if (ci->is_otg) + hw_write_otgsc(ci, OTGSC_BSVIE | OTGSC_BSVIS, OTGSC_BSVIS); } /** |