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net: ipa: a few simple renames

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The return value of gsi_command() is true if successful or false if
we time out waiting for a completion interrupt.

Rename the variables in the three callers of gsi_command() to be
"timeout", to make it more obvious that's the only reason for
failure.

In addition, add a "gsi_" prefix to evt_ring_command() so its name
is consistent with the convention used for GSI channel and generic
commands.

Signed-off-by: Alex Elder <elder@linaro.org>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Alex Elder
2021-01-13 11:15:27 -06:00
committed by Jakub Kicinski
parent 747fdd47ed
commit d9cbe81848
1 changed files with 14 additions and 14 deletions
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28
drivers/net/ipa/gsi.c
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@@ -326,13 +326,13 @@ gsi_evt_ring_state(struct gsi *gsi, u32 evt_ring_id)
}
/* Issue an event ring command and wait for it to complete */
static void evt_ring_command(struct gsi *gsi, u32 evt_ring_id,
enum gsi_evt_cmd_opcode opcode)
static void gsi_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;
struct device *dev = gsi->dev;
bool success;
bool timeout;
u32 val;
/* We only perform one event ring command at a time, and event
@@ -354,13 +354,13 @@ static void evt_ring_command(struct gsi *gsi, u32 evt_ring_id,
val = u32_encode_bits(evt_ring_id, EV_CHID_FMASK);
val |= u32_encode_bits(opcode, EV_OPCODE_FMASK);
success = gsi_command(gsi, GSI_EV_CH_CMD_OFFSET, val, completion);
timeout = !gsi_command(gsi, GSI_EV_CH_CMD_OFFSET, val, completion);
/* Disable the interrupt again */
gsi_irq_type_disable(gsi, GSI_EV_CTRL);
iowrite32(0, gsi->virt + GSI_CNTXT_SRC_EV_CH_IRQ_MSK_OFFSET);
if (success)
if (!timeout)
return;
dev_err(dev, "GSI command %u for event ring %u timed out, state %u\n",
@@ -380,7 +380,7 @@ static int gsi_evt_ring_alloc_command(struct gsi *gsi, u32 evt_ring_id)
return -EINVAL;
}
evt_ring_command(gsi, evt_ring_id, GSI_EVT_ALLOCATE);
gsi_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)
@@ -405,7 +405,7 @@ static void gsi_evt_ring_reset_command(struct gsi *gsi, u32 evt_ring_id)
return;
}
evt_ring_command(gsi, evt_ring_id, GSI_EVT_RESET);
gsi_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)
@@ -426,7 +426,7 @@ static void gsi_evt_ring_de_alloc_command(struct gsi *gsi, u32 evt_ring_id)
return;
}
evt_ring_command(gsi, evt_ring_id, GSI_EVT_DE_ALLOC);
gsi_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)
@@ -456,7 +456,7 @@ gsi_channel_command(struct gsi_channel *channel, enum gsi_ch_cmd_opcode opcode)
u32 channel_id = gsi_channel_id(channel);
struct gsi *gsi = channel->gsi;
struct device *dev = gsi->dev;
bool success;
bool timeout;
u32 val;
/* We only perform one channel command at a time, and channel
@@ -477,13 +477,13 @@ gsi_channel_command(struct gsi_channel *channel, enum gsi_ch_cmd_opcode opcode)
val = u32_encode_bits(channel_id, CH_CHID_FMASK);
val |= u32_encode_bits(opcode, CH_OPCODE_FMASK);
success = gsi_command(gsi, GSI_CH_CMD_OFFSET, val, completion);
timeout = !gsi_command(gsi, GSI_CH_CMD_OFFSET, val, completion);
/* Disable the interrupt again */
gsi_irq_type_disable(gsi, GSI_CH_CTRL);
iowrite32(0, gsi->virt + GSI_CNTXT_SRC_CH_IRQ_MSK_OFFSET);
if (success)
if (!timeout)
return;
dev_err(dev, "GSI command %u for channel %u timed out, state %u\n",
@@ -1627,7 +1627,7 @@ static int gsi_generic_command(struct gsi *gsi, u32 channel_id,
enum gsi_generic_cmd_opcode opcode)
{
struct completion *completion = &gsi->completion;
bool success;
bool timeout;
u32 val;
/* The error global interrupt type is always enabled (until we
@@ -1650,12 +1650,12 @@ static int gsi_generic_command(struct gsi *gsi, u32 channel_id,
val |= u32_encode_bits(channel_id, GENERIC_CHID_FMASK);
val |= u32_encode_bits(GSI_EE_MODEM, GENERIC_EE_FMASK);
success = gsi_command(gsi, GSI_GENERIC_CMD_OFFSET, val, completion);
timeout = !gsi_command(gsi, GSI_GENERIC_CMD_OFFSET, val, completion);
/* Disable the GP_INT1 IRQ type again */
iowrite32(BIT(ERROR_INT), gsi->virt + GSI_CNTXT_GLOB_IRQ_EN_OFFSET);
if (success)
if (!timeout)
return gsi->result;
dev_err(gsi->dev, "GSI generic command %u to channel %u timed out\n",