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path: root/drivers/net/ipa/gsi.c
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Diffstat (limited to 'drivers/net/ipa/gsi.c')
-rw-r--r--drivers/net/ipa/gsi.c38
1 files changed, 13 insertions, 25 deletions
diff --git a/drivers/net/ipa/gsi.c b/drivers/net/ipa/gsi.c
index 579cc3e51677..14d9a791924b 100644
--- a/drivers/net/ipa/gsi.c
+++ b/drivers/net/ipa/gsi.c
@@ -326,8 +326,8 @@ gsi_evt_ring_state(struct gsi *gsi, u32 evt_ring_id)
}
/* Issue an event ring command and wait for it to complete */
-static int evt_ring_command(struct gsi *gsi, u32 evt_ring_id,
- enum gsi_evt_cmd_opcode opcode)
+static void evt_ring_command(struct gsi *gsi, u32 evt_ring_id,
+ enum gsi_evt_cmd_opcode opcode)
{
struct gsi_evt_ring *evt_ring = &gsi->evt_ring[evt_ring_id];
struct completion *completion = &evt_ring->completion;
@@ -361,19 +361,16 @@ static int evt_ring_command(struct gsi *gsi, u32 evt_ring_id,
iowrite32(0, gsi->virt + GSI_CNTXT_SRC_EV_CH_IRQ_MSK_OFFSET);
if (success)
- return 0;
+ return;
dev_err(dev, "GSI command %u for event ring %u timed out, state %u\n",
opcode, evt_ring_id, evt_ring->state);
-
- return -ETIMEDOUT;
}
/* Allocate an event ring in NOT_ALLOCATED state */
static int gsi_evt_ring_alloc_command(struct gsi *gsi, u32 evt_ring_id)
{
struct gsi_evt_ring *evt_ring = &gsi->evt_ring[evt_ring_id];
- int ret;
/* Get initial event ring state */
evt_ring->state = gsi_evt_ring_state(gsi, evt_ring_id);
@@ -383,7 +380,7 @@ static int gsi_evt_ring_alloc_command(struct gsi *gsi, u32 evt_ring_id)
return -EINVAL;
}
- ret = evt_ring_command(gsi, evt_ring_id, GSI_EVT_ALLOCATE);
+ evt_ring_command(gsi, evt_ring_id, GSI_EVT_ALLOCATE);
/* If successful the event ring state will have changed */
if (evt_ring->state == GSI_EVT_RING_STATE_ALLOCATED)
@@ -400,7 +397,6 @@ static void gsi_evt_ring_reset_command(struct gsi *gsi, u32 evt_ring_id)
{
struct gsi_evt_ring *evt_ring = &gsi->evt_ring[evt_ring_id];
enum gsi_evt_ring_state state = evt_ring->state;
- int ret;
if (state != GSI_EVT_RING_STATE_ALLOCATED &&
state != GSI_EVT_RING_STATE_ERROR) {
@@ -409,7 +405,7 @@ static void gsi_evt_ring_reset_command(struct gsi *gsi, u32 evt_ring_id)
return;
}
- ret = evt_ring_command(gsi, evt_ring_id, GSI_EVT_RESET);
+ evt_ring_command(gsi, evt_ring_id, GSI_EVT_RESET);
/* If successful the event ring state will have changed */
if (evt_ring->state == GSI_EVT_RING_STATE_ALLOCATED)
@@ -423,7 +419,6 @@ static void gsi_evt_ring_reset_command(struct gsi *gsi, u32 evt_ring_id)
static void gsi_evt_ring_de_alloc_command(struct gsi *gsi, u32 evt_ring_id)
{
struct gsi_evt_ring *evt_ring = &gsi->evt_ring[evt_ring_id];
- int ret;
if (evt_ring->state != GSI_EVT_RING_STATE_ALLOCATED) {
dev_err(gsi->dev, "event ring %u state %u before dealloc\n",
@@ -431,7 +426,7 @@ static void gsi_evt_ring_de_alloc_command(struct gsi *gsi, u32 evt_ring_id)
return;
}
- ret = evt_ring_command(gsi, evt_ring_id, GSI_EVT_DE_ALLOC);
+ evt_ring_command(gsi, evt_ring_id, GSI_EVT_DE_ALLOC);
/* If successful the event ring state will have changed */
if (evt_ring->state == GSI_EVT_RING_STATE_NOT_ALLOCATED)
@@ -454,7 +449,7 @@ static enum gsi_channel_state gsi_channel_state(struct gsi_channel *channel)
}
/* Issue a channel command and wait for it to complete */
-static int
+static void
gsi_channel_command(struct gsi_channel *channel, enum gsi_ch_cmd_opcode opcode)
{
struct completion *completion = &channel->completion;
@@ -489,12 +484,10 @@ gsi_channel_command(struct gsi_channel *channel, enum gsi_ch_cmd_opcode opcode)
iowrite32(0, gsi->virt + GSI_CNTXT_SRC_CH_IRQ_MSK_OFFSET);
if (success)
- return 0;
+ return;
dev_err(dev, "GSI command %u for channel %u timed out, state %u\n",
opcode, channel_id, gsi_channel_state(channel));
-
- return -ETIMEDOUT;
}
/* Allocate GSI channel in NOT_ALLOCATED state */
@@ -503,7 +496,6 @@ static int gsi_channel_alloc_command(struct gsi *gsi, u32 channel_id)
struct gsi_channel *channel = &gsi->channel[channel_id];
struct device *dev = gsi->dev;
enum gsi_channel_state state;
- int ret;
/* Get initial channel state */
state = gsi_channel_state(channel);
@@ -513,7 +505,7 @@ static int gsi_channel_alloc_command(struct gsi *gsi, u32 channel_id)
return -EINVAL;
}
- ret = gsi_channel_command(channel, GSI_CH_ALLOCATE);
+ gsi_channel_command(channel, GSI_CH_ALLOCATE);
/* If successful the channel state will have changed */
state = gsi_channel_state(channel);
@@ -531,7 +523,6 @@ static int gsi_channel_start_command(struct gsi_channel *channel)
{
struct device *dev = channel->gsi->dev;
enum gsi_channel_state state;
- int ret;
state = gsi_channel_state(channel);
if (state != GSI_CHANNEL_STATE_ALLOCATED &&
@@ -541,7 +532,7 @@ static int gsi_channel_start_command(struct gsi_channel *channel)
return -EINVAL;
}
- ret = gsi_channel_command(channel, GSI_CH_START);
+ gsi_channel_command(channel, GSI_CH_START);
/* If successful the channel state will have changed */
state = gsi_channel_state(channel);
@@ -559,7 +550,6 @@ static int gsi_channel_stop_command(struct gsi_channel *channel)
{
struct device *dev = channel->gsi->dev;
enum gsi_channel_state state;
- int ret;
state = gsi_channel_state(channel);
@@ -576,7 +566,7 @@ static int gsi_channel_stop_command(struct gsi_channel *channel)
return -EINVAL;
}
- ret = gsi_channel_command(channel, GSI_CH_STOP);
+ gsi_channel_command(channel, GSI_CH_STOP);
/* If successful the channel state will have changed */
state = gsi_channel_state(channel);
@@ -598,7 +588,6 @@ static void gsi_channel_reset_command(struct gsi_channel *channel)
{
struct device *dev = channel->gsi->dev;
enum gsi_channel_state state;
- int ret;
msleep(1); /* A short delay is required before a RESET command */
@@ -612,7 +601,7 @@ static void gsi_channel_reset_command(struct gsi_channel *channel)
return;
}
- ret = gsi_channel_command(channel, GSI_CH_RESET);
+ gsi_channel_command(channel, GSI_CH_RESET);
/* If successful the channel state will have changed */
state = gsi_channel_state(channel);
@@ -627,7 +616,6 @@ static void gsi_channel_de_alloc_command(struct gsi *gsi, u32 channel_id)
struct gsi_channel *channel = &gsi->channel[channel_id];
struct device *dev = gsi->dev;
enum gsi_channel_state state;
- int ret;
state = gsi_channel_state(channel);
if (state != GSI_CHANNEL_STATE_ALLOCATED) {
@@ -636,7 +624,7 @@ static void gsi_channel_de_alloc_command(struct gsi *gsi, u32 channel_id)
return;
}
- ret = gsi_channel_command(channel, GSI_CH_DE_ALLOC);
+ gsi_channel_command(channel, GSI_CH_DE_ALLOC);
/* If successful the channel state will have changed */
state = gsi_channel_state(channel);
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-30 03:27:04 +0000