diff options
| author | Alex Elder <elder@linaro.org> | 2021-02-01 20:28:47 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-02-03 04:42:35 +0300 |
| commit | bd1ea1e46448992a4a3dfb6e6e2c410ca069a41c (patch) | |
| tree | 9ae964b6a3f584ad667a2fbcb5840361d8dd4df7 | |
| parent | 893b838e73391c97c9388ef972899213bbb3049d (diff) | |
| download | linux-bd1ea1e46448992a4a3dfb6e6e2c410ca069a41c.tar.xz | |
net: ipa: kill gsi_channel_freeze() and gsi_channel_thaw()
Open-code gsi_channel_freeze() and gsi_channel_thaw() in all callers
and get rid of these two functions. This is part of reworking the
sequence of things done during channel suspend/resume and start/stop.
Signed-off-by: Alex Elder <elder@linaro.org>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | drivers/net/ipa/gsi.c | 37 |
1 files changed, 12 insertions, 25 deletions
diff --git a/drivers/net/ipa/gsi.c b/drivers/net/ipa/gsi.c index 32c27fa39873..049a63e21bca 100644 --- a/drivers/net/ipa/gsi.c +++ b/drivers/net/ipa/gsi.c @@ -764,24 +764,6 @@ static void gsi_channel_trans_quiesce(struct gsi_channel *channel) } } -/* Stop channel activity. Transactions may not be allocated until thawed. */ -static void gsi_channel_freeze(struct gsi_channel *channel) -{ - gsi_channel_trans_quiesce(channel); - - napi_disable(&channel->napi); - - gsi_irq_ieob_disable_one(channel->gsi, channel->evt_ring_id); -} - -/* Allow transactions to be used on the channel again. */ -static void gsi_channel_thaw(struct gsi_channel *channel) -{ - gsi_irq_ieob_enable_one(channel->gsi, channel->evt_ring_id); - - napi_enable(&channel->napi); -} - /* Program a channel for use */ static void gsi_channel_program(struct gsi_channel *channel, bool doorbell) { @@ -884,9 +866,10 @@ static int __gsi_channel_start(struct gsi_channel *channel, bool start) mutex_unlock(&gsi->mutex); - /* Thaw the channel if successful */ - if (!ret) - gsi_channel_thaw(channel); + if (!ret) { + gsi_irq_ieob_enable_one(gsi, channel->evt_ring_id); + napi_enable(&channel->napi); + } return ret; } @@ -921,15 +904,19 @@ static int gsi_channel_stop_retry(struct gsi_channel *channel) static int __gsi_channel_stop(struct gsi_channel *channel, bool stop) { + struct gsi *gsi = channel->gsi; int ret; - gsi_channel_freeze(channel); + gsi_channel_trans_quiesce(channel); + napi_disable(&channel->napi); + gsi_irq_ieob_disable_one(gsi, channel->evt_ring_id); ret = stop ? gsi_channel_stop_retry(channel) : 0; - /* Re-thaw the channel if an error occurred while stopping */ - if (ret) - gsi_channel_thaw(channel); + if (ret) { + gsi_irq_ieob_enable_one(gsi, channel->evt_ring_id); + napi_enable(&channel->napi); + } return ret; } |