From 53d63371293dfc8fdd49f14716c2f2b80aa11373 Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Wed, 23 Mar 2016 15:36:58 -0700 Subject: [PATCH] staging: comedi: ni_tiocmd: remove unsed param from ni_tio_acknowledge_and_confirm() The 'stale_data' pointer is always NULL. Just remove it. Signed-off-by: H Hartley Sweeten Reviewed-by: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/ni_tiocmd.c | 13 +++---------- 1 file changed, 3 insertions(+), 10 deletions(-) diff --git a/drivers/staging/comedi/drivers/ni_tiocmd.c b/drivers/staging/comedi/drivers/ni_tiocmd.c index 1400b1f2305d..2d801bf90e52 100644 --- a/drivers/staging/comedi/drivers/ni_tiocmd.c +++ b/drivers/staging/comedi/drivers/ni_tiocmd.c @@ -338,8 +338,7 @@ static int should_ack_gate(struct ni_gpct *counter) static void ni_tio_acknowledge_and_confirm(struct ni_gpct *counter, int *gate_error, int *tc_error, - int *perm_stale_data, - int *stale_data) + int *perm_stale_data) { unsigned int cidx = counter->counter_index; const unsigned short gxx_status = ni_tio_read(counter, @@ -354,8 +353,6 @@ static void ni_tio_acknowledge_and_confirm(struct ni_gpct *counter, *tc_error = 0; if (perm_stale_data) *perm_stale_data = 0; - if (stale_data) - *stale_data = 0; if (gxx_status & GI_GATE_ERROR(cidx)) { ack |= GI_GATE_ERROR_CONFIRM(cidx); @@ -385,10 +382,6 @@ static void ni_tio_acknowledge_and_confirm(struct ni_gpct *counter, ni_tio_write(counter, ack, NITIO_INT_ACK_REG(cidx)); if (ni_tio_get_soft_copy(counter, NITIO_MODE_REG(cidx)) & GI_LOADING_ON_GATE) { - if (gxx_status & GI_STALE_DATA(cidx)) { - if (stale_data) - *stale_data = 1; - } if (ni_tio_read(counter, NITIO_STATUS2_REG(cidx)) & GI_PERMANENT_STALE(cidx)) { dev_info(counter->counter_dev->dev->class_dev, @@ -402,7 +395,7 @@ static void ni_tio_acknowledge_and_confirm(struct ni_gpct *counter, void ni_tio_acknowledge(struct ni_gpct *counter) { - ni_tio_acknowledge_and_confirm(counter, NULL, NULL, NULL, NULL); + ni_tio_acknowledge_and_confirm(counter, NULL, NULL, NULL); } EXPORT_SYMBOL_GPL(ni_tio_acknowledge); @@ -417,7 +410,7 @@ void ni_tio_handle_interrupt(struct ni_gpct *counter, int perm_stale_data; ni_tio_acknowledge_and_confirm(counter, &gate_error, &tc_error, - &perm_stale_data, NULL); + &perm_stale_data); if (gate_error) { dev_notice(counter->counter_dev->dev->class_dev, "%s: Gi_Gate_Error detected.\n", __func__); -- 2.20.1