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Date: Wed, 8 Feb 2023 14:56:52 -0600
From: Alex Elder <elder@...aro.org>
To: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
pabeni@...hat.com
Cc: caleb.connolly@...aro.org, mka@...omium.org, evgreen@...omium.org,
andersson@...nel.org, quic_cpratapa@...cinc.com,
quic_avuyyuru@...cinc.com, quic_jponduru@...cinc.com,
quic_subashab@...cinc.com, elder@...nel.org,
netdev@...r.kernel.org, linux-arm-msm@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH net-next 8/9] net: ipa: generalize register offset functions
Rename ipa_reg_offset() to be reg_offset() and move its definition
to "reg.h". Rename ipa_reg_n_offset() to be reg_n_offset() also.
Signed-off-by: Alex Elder <elder@...aro.org>
---
drivers/net/ipa/ipa_cmd.c | 4 ++--
drivers/net/ipa/ipa_endpoint.c | 38 ++++++++++++++++-----------------
drivers/net/ipa/ipa_interrupt.c | 17 +++++++--------
drivers/net/ipa/ipa_main.c | 28 +++++++++++++-----------
drivers/net/ipa/ipa_mem.c | 4 ++--
drivers/net/ipa/ipa_reg.h | 14 +-----------
drivers/net/ipa/ipa_resource.c | 2 +-
drivers/net/ipa/ipa_table.c | 13 +++++------
drivers/net/ipa/ipa_uc.c | 2 +-
drivers/net/ipa/reg.h | 12 +++++++++++
10 files changed, 66 insertions(+), 68 deletions(-)
diff --git a/drivers/net/ipa/ipa_cmd.c b/drivers/net/ipa/ipa_cmd.c
index d03956854a9ac..f1419fbd776c3 100644
--- a/drivers/net/ipa/ipa_cmd.c
+++ b/drivers/net/ipa/ipa_cmd.c
@@ -300,7 +300,7 @@ static bool ipa_cmd_register_write_valid(struct ipa *ipa)
else
reg = ipa_reg(ipa, FILT_ROUT_CACHE_FLUSH);
- offset = ipa_reg_offset(reg);
+ offset = reg_offset(reg);
name = "filter/route hash flush";
if (!ipa_cmd_register_write_offset_valid(ipa, name, offset))
return false;
@@ -314,7 +314,7 @@ static bool ipa_cmd_register_write_valid(struct ipa *ipa)
* fits in the register write command field(s) that must hold it.
*/
reg = ipa_reg(ipa, ENDP_STATUS);
- offset = ipa_reg_n_offset(reg, IPA_ENDPOINT_COUNT - 1);
+ offset = reg_n_offset(reg, IPA_ENDPOINT_COUNT - 1);
name = "maximal endpoint status";
if (!ipa_cmd_register_write_offset_valid(ipa, name, offset))
return false;
diff --git a/drivers/net/ipa/ipa_endpoint.c b/drivers/net/ipa/ipa_endpoint.c
index 11e97dd80825c..b78503304883d 100644
--- a/drivers/net/ipa/ipa_endpoint.c
+++ b/drivers/net/ipa/ipa_endpoint.c
@@ -460,7 +460,7 @@ ipa_endpoint_init_ctrl(struct ipa_endpoint *endpoint, bool suspend_delay)
WARN_ON(ipa->version >= IPA_VERSION_4_0);
reg = ipa_reg(ipa, ENDP_INIT_CTRL);
- offset = ipa_reg_n_offset(reg, endpoint->endpoint_id);
+ offset = reg_n_offset(reg, endpoint->endpoint_id);
val = ioread32(ipa->reg_virt + offset);
field_id = endpoint->toward_ipa ? ENDP_DELAY : ENDP_SUSPEND;
@@ -499,7 +499,7 @@ static bool ipa_endpoint_aggr_active(struct ipa_endpoint *endpoint)
WARN_ON(!test_bit(endpoint_id, ipa->available));
reg = ipa_reg(ipa, STATE_AGGR_ACTIVE);
- val = ioread32(ipa->reg_virt + ipa_reg_n_offset(reg, unit));
+ val = ioread32(ipa->reg_virt + reg_n_offset(reg, unit));
return !!(val & BIT(endpoint_id % 32));
}
@@ -515,7 +515,7 @@ static void ipa_endpoint_force_close(struct ipa_endpoint *endpoint)
WARN_ON(!test_bit(endpoint_id, ipa->available));
reg = ipa_reg(ipa, AGGR_FORCE_CLOSE);
- iowrite32(mask, ipa->reg_virt + ipa_reg_n_offset(reg, unit));
+ iowrite32(mask, ipa->reg_virt + reg_n_offset(reg, unit));
}
/**
@@ -622,7 +622,7 @@ int ipa_endpoint_modem_exception_reset_all(struct ipa *ipa)
continue;
reg = ipa_reg(ipa, ENDP_STATUS);
- offset = ipa_reg_n_offset(reg, endpoint_id);
+ offset = reg_n_offset(reg, endpoint_id);
/* Value written is 0, and all bits are updated. That
* means status is disabled on the endpoint, and as a
@@ -674,7 +674,7 @@ static void ipa_endpoint_init_cfg(struct ipa_endpoint *endpoint)
val |= ipa_reg_encode(reg, CS_OFFLOAD_EN, enabled);
/* CS_GEN_QMB_MASTER_SEL is 0 */
- iowrite32(val, ipa->reg_virt + ipa_reg_n_offset(reg, endpoint_id));
+ iowrite32(val, ipa->reg_virt + reg_n_offset(reg, endpoint_id));
}
static void ipa_endpoint_init_nat(struct ipa_endpoint *endpoint)
@@ -690,7 +690,7 @@ static void ipa_endpoint_init_nat(struct ipa_endpoint *endpoint)
reg = ipa_reg(ipa, ENDP_INIT_NAT);
val = ipa_reg_encode(reg, NAT_EN, IPA_NAT_TYPE_BYPASS);
- iowrite32(val, ipa->reg_virt + ipa_reg_n_offset(reg, endpoint_id));
+ iowrite32(val, ipa->reg_virt + reg_n_offset(reg, endpoint_id));
}
static u32
@@ -820,7 +820,7 @@ static void ipa_endpoint_init_hdr(struct ipa_endpoint *endpoint)
/* HDR_METADATA_REG_VALID is 0 (TX only, version < v4.5) */
}
- iowrite32(val, ipa->reg_virt + ipa_reg_n_offset(reg, endpoint_id));
+ iowrite32(val, ipa->reg_virt + reg_n_offset(reg, endpoint_id));
}
static void ipa_endpoint_init_hdr_ext(struct ipa_endpoint *endpoint)
@@ -872,7 +872,7 @@ static void ipa_endpoint_init_hdr_ext(struct ipa_endpoint *endpoint)
}
}
- iowrite32(val, ipa->reg_virt + ipa_reg_n_offset(reg, endpoint_id));
+ iowrite32(val, ipa->reg_virt + reg_n_offset(reg, endpoint_id));
}
static void ipa_endpoint_init_hdr_metadata_mask(struct ipa_endpoint *endpoint)
@@ -887,7 +887,7 @@ static void ipa_endpoint_init_hdr_metadata_mask(struct ipa_endpoint *endpoint)
return; /* Register not valid for TX endpoints */
reg = ipa_reg(ipa, ENDP_INIT_HDR_METADATA_MASK);
- offset = ipa_reg_n_offset(reg, endpoint_id);
+ offset = reg_n_offset(reg, endpoint_id);
/* Note that HDR_ENDIANNESS indicates big endian header fields */
if (endpoint->config.qmap)
@@ -918,7 +918,7 @@ static void ipa_endpoint_init_mode(struct ipa_endpoint *endpoint)
}
/* All other bits unspecified (and 0) */
- offset = ipa_reg_n_offset(reg, endpoint->endpoint_id);
+ offset = reg_n_offset(reg, endpoint->endpoint_id);
iowrite32(val, ipa->reg_virt + offset);
}
@@ -1032,7 +1032,7 @@ static void ipa_endpoint_init_aggr(struct ipa_endpoint *endpoint)
/* other fields ignored */
}
- iowrite32(val, ipa->reg_virt + ipa_reg_n_offset(reg, endpoint_id));
+ iowrite32(val, ipa->reg_virt + reg_n_offset(reg, endpoint_id));
}
/* The head-of-line blocking timer is defined as a tick count. For
@@ -1116,7 +1116,7 @@ static void ipa_endpoint_init_hol_block_timer(struct ipa_endpoint *endpoint,
reg = ipa_reg(ipa, ENDP_INIT_HOL_BLOCK_TIMER);
val = hol_block_timer_encode(ipa, reg, microseconds);
- iowrite32(val, ipa->reg_virt + ipa_reg_n_offset(reg, endpoint_id));
+ iowrite32(val, ipa->reg_virt + reg_n_offset(reg, endpoint_id));
}
static void
@@ -1129,7 +1129,7 @@ ipa_endpoint_init_hol_block_en(struct ipa_endpoint *endpoint, bool enable)
u32 val;
reg = ipa_reg(ipa, ENDP_INIT_HOL_BLOCK_EN);
- offset = ipa_reg_n_offset(reg, endpoint_id);
+ offset = reg_n_offset(reg, endpoint_id);
val = enable ? ipa_reg_bit(reg, HOL_BLOCK_EN) : 0;
iowrite32(val, ipa->reg_virt + offset);
@@ -1183,7 +1183,7 @@ static void ipa_endpoint_init_deaggr(struct ipa_endpoint *endpoint)
/* PACKET_OFFSET_LOCATION is ignored (not valid) */
/* MAX_PACKET_LEN is 0 (not enforced) */
- iowrite32(val, ipa->reg_virt + ipa_reg_n_offset(reg, endpoint_id));
+ iowrite32(val, ipa->reg_virt + reg_n_offset(reg, endpoint_id));
}
static void ipa_endpoint_init_rsrc_grp(struct ipa_endpoint *endpoint)
@@ -1197,7 +1197,7 @@ static void ipa_endpoint_init_rsrc_grp(struct ipa_endpoint *endpoint)
reg = ipa_reg(ipa, ENDP_INIT_RSRC_GRP);
val = ipa_reg_encode(reg, ENDP_RSRC_GRP, resource_group);
- iowrite32(val, ipa->reg_virt + ipa_reg_n_offset(reg, endpoint_id));
+ iowrite32(val, ipa->reg_virt + reg_n_offset(reg, endpoint_id));
}
static void ipa_endpoint_init_seq(struct ipa_endpoint *endpoint)
@@ -1220,7 +1220,7 @@ static void ipa_endpoint_init_seq(struct ipa_endpoint *endpoint)
val |= ipa_reg_encode(reg, SEQ_REP_TYPE,
endpoint->config.tx.seq_rep_type);
- iowrite32(val, ipa->reg_virt + ipa_reg_n_offset(reg, endpoint_id));
+ iowrite32(val, ipa->reg_virt + reg_n_offset(reg, endpoint_id));
}
/**
@@ -1292,7 +1292,7 @@ static void ipa_endpoint_status(struct ipa_endpoint *endpoint)
/* STATUS_PKT_SUPPRESS_FMASK is 0 (not present for v4.0+) */
}
- iowrite32(val, ipa->reg_virt + ipa_reg_n_offset(reg, endpoint_id));
+ iowrite32(val, ipa->reg_virt + reg_n_offset(reg, endpoint_id));
}
static int ipa_endpoint_replenish_one(struct ipa_endpoint *endpoint,
@@ -1647,7 +1647,7 @@ void ipa_endpoint_default_route_set(struct ipa *ipa, u32 endpoint_id)
val |= ipa_reg_encode(reg, ROUTE_FRAG_DEF_PIPE, endpoint_id);
val |= ipa_reg_bit(reg, ROUTE_DEF_RETAIN_HDR);
- iowrite32(val, ipa->reg_virt + ipa_reg_offset(reg));
+ iowrite32(val, ipa->reg_virt + reg_offset(reg));
}
void ipa_endpoint_default_route_clear(struct ipa *ipa)
@@ -2019,7 +2019,7 @@ int ipa_endpoint_config(struct ipa *ipa)
* the highest one doesn't exceed the number supported by software.
*/
reg = ipa_reg(ipa, FLAVOR_0);
- val = ioread32(ipa->reg_virt + ipa_reg_offset(reg));
+ val = ioread32(ipa->reg_virt + reg_offset(reg));
/* Our RX is an IPA producer; our TX is an IPA consumer. */
tx_count = ipa_reg_decode(reg, MAX_CONS_PIPES, val);
diff --git a/drivers/net/ipa/ipa_interrupt.c b/drivers/net/ipa/ipa_interrupt.c
index ac5944ae0d204..4bc05948f772d 100644
--- a/drivers/net/ipa/ipa_interrupt.c
+++ b/drivers/net/ipa/ipa_interrupt.c
@@ -52,7 +52,7 @@ static void ipa_interrupt_process(struct ipa_interrupt *interrupt, u32 irq_id)
u32 offset;
reg = ipa_reg(ipa, IPA_IRQ_CLR);
- offset = ipa_reg_offset(reg);
+ offset = reg_offset(reg);
switch (irq_id) {
case IPA_IRQ_UC_0:
@@ -102,7 +102,7 @@ static irqreturn_t ipa_isr_thread(int irq, void *dev_id)
* only the enabled ones.
*/
reg = ipa_reg(ipa, IPA_IRQ_STTS);
- offset = ipa_reg_offset(reg);
+ offset = reg_offset(reg);
pending = ioread32(ipa->reg_virt + offset);
while ((mask = pending & enabled)) {
do {
@@ -120,8 +120,7 @@ static irqreturn_t ipa_isr_thread(int irq, void *dev_id)
dev_dbg(dev, "clearing disabled IPA interrupts 0x%08x\n",
pending);
reg = ipa_reg(ipa, IPA_IRQ_CLR);
- offset = ipa_reg_offset(reg);
- iowrite32(pending, ipa->reg_virt + offset);
+ iowrite32(pending, ipa->reg_virt + reg_offset(reg));
}
out_power_put:
pm_runtime_mark_last_busy(dev);
@@ -134,7 +133,7 @@ static void ipa_interrupt_enabled_update(struct ipa *ipa)
{
const struct reg *reg = ipa_reg(ipa, IPA_IRQ_EN);
- iowrite32(ipa->interrupt->enabled, ipa->reg_virt + ipa_reg_offset(reg));
+ iowrite32(ipa->interrupt->enabled, ipa->reg_virt + reg_offset(reg));
}
/* Enable an IPA interrupt type */
@@ -181,7 +180,7 @@ static void ipa_interrupt_suspend_control(struct ipa_interrupt *interrupt,
return;
reg = ipa_reg(ipa, IRQ_SUSPEND_EN);
- offset = ipa_reg_n_offset(reg, unit);
+ offset = reg_n_offset(reg, unit);
val = ioread32(ipa->reg_virt + offset);
if (enable)
@@ -219,14 +218,14 @@ void ipa_interrupt_suspend_clear_all(struct ipa_interrupt *interrupt)
u32 val;
reg = ipa_reg(ipa, IRQ_SUSPEND_INFO);
- val = ioread32(ipa->reg_virt + ipa_reg_n_offset(reg, unit));
+ val = ioread32(ipa->reg_virt + reg_n_offset(reg, unit));
/* SUSPEND interrupt status isn't cleared on IPA version 3.0 */
if (ipa->version == IPA_VERSION_3_0)
continue;
reg = ipa_reg(ipa, IRQ_SUSPEND_CLR);
- iowrite32(val, ipa->reg_virt + ipa_reg_n_offset(reg, unit));
+ iowrite32(val, ipa->reg_virt + reg_n_offset(reg, unit));
}
}
@@ -261,7 +260,7 @@ struct ipa_interrupt *ipa_interrupt_config(struct ipa *ipa)
/* Start with all IPA interrupts disabled */
reg = ipa_reg(ipa, IPA_IRQ_EN);
- iowrite32(0, ipa->reg_virt + ipa_reg_offset(reg));
+ iowrite32(0, ipa->reg_virt + reg_offset(reg));
ret = request_threaded_irq(irq, NULL, ipa_isr_thread, IRQF_ONESHOT,
"ipa", interrupt);
diff --git a/drivers/net/ipa/ipa_main.c b/drivers/net/ipa/ipa_main.c
index 71cf51c9cc912..c74543db0afb1 100644
--- a/drivers/net/ipa/ipa_main.c
+++ b/drivers/net/ipa/ipa_main.c
@@ -212,7 +212,7 @@ ipa_hardware_config_bcr(struct ipa *ipa, const struct ipa_data *data)
reg = ipa_reg(ipa, IPA_BCR);
val = data->backward_compat;
- iowrite32(val, ipa->reg_virt + ipa_reg_offset(reg));
+ iowrite32(val, ipa->reg_virt + reg_offset(reg));
}
static void ipa_hardware_config_tx(struct ipa *ipa)
@@ -227,7 +227,7 @@ static void ipa_hardware_config_tx(struct ipa *ipa)
/* Disable PA mask to allow HOLB drop */
reg = ipa_reg(ipa, IPA_TX_CFG);
- offset = ipa_reg_offset(reg);
+ offset = reg_offset(reg);
val = ioread32(ipa->reg_virt + offset);
@@ -259,7 +259,7 @@ static void ipa_hardware_config_clkon(struct ipa *ipa)
val |= ipa_reg_bit(reg, GLOBAL_2X_CLK);
}
- iowrite32(val, ipa->reg_virt + ipa_reg_offset(reg));
+ iowrite32(val, ipa->reg_virt + reg_offset(reg));
}
/* Configure bus access behavior for IPA components */
@@ -274,7 +274,8 @@ static void ipa_hardware_config_comp(struct ipa *ipa)
return;
reg = ipa_reg(ipa, COMP_CFG);
- offset = ipa_reg_offset(reg);
+ offset = reg_offset(reg);
+
val = ioread32(ipa->reg_virt + offset);
if (ipa->version == IPA_VERSION_4_0) {
@@ -315,7 +316,7 @@ ipa_hardware_config_qsb(struct ipa *ipa, const struct ipa_data *data)
val |= ipa_reg_encode(reg, GEN_QMB_1_MAX_WRITES,
data1->max_writes);
- iowrite32(val, ipa->reg_virt + ipa_reg_offset(reg));
+ iowrite32(val, ipa->reg_virt + reg_offset(reg));
/* Max outstanding read accesses for QSB masters */
reg = ipa_reg(ipa, QSB_MAX_READS);
@@ -332,7 +333,7 @@ ipa_hardware_config_qsb(struct ipa *ipa, const struct ipa_data *data)
data1->max_reads_beats);
}
- iowrite32(val, ipa->reg_virt + ipa_reg_offset(reg));
+ iowrite32(val, ipa->reg_virt + reg_offset(reg));
}
/* The internal inactivity timer clock is used for the aggregation timer */
@@ -374,7 +375,7 @@ static void ipa_qtime_config(struct ipa *ipa)
/* Timer clock divider must be disabled when we change the rate */
reg = ipa_reg(ipa, TIMERS_XO_CLK_DIV_CFG);
- iowrite32(0, ipa->reg_virt + ipa_reg_offset(reg));
+ iowrite32(0, ipa->reg_virt + reg_offset(reg));
reg = ipa_reg(ipa, QTIME_TIMESTAMP_CFG);
/* Set DPL time stamp resolution to use Qtime (instead of 1 msec) */
@@ -384,7 +385,7 @@ static void ipa_qtime_config(struct ipa *ipa)
val = ipa_reg_encode(reg, TAG_TIMESTAMP_LSB, TAG_TIMESTAMP_SHIFT);
val = ipa_reg_encode(reg, NAT_TIMESTAMP_LSB, NAT_TIMESTAMP_SHIFT);
- iowrite32(val, ipa->reg_virt + ipa_reg_offset(reg));
+ iowrite32(val, ipa->reg_virt + reg_offset(reg));
/* Set granularity of pulse generators used for other timers */
reg = ipa_reg(ipa, TIMERS_PULSE_GRAN_CFG);
@@ -397,11 +398,12 @@ static void ipa_qtime_config(struct ipa *ipa)
val |= ipa_reg_encode(reg, PULSE_GRAN_2, IPA_GRAN_1_MS);
}
- iowrite32(val, ipa->reg_virt + ipa_reg_offset(reg));
+ iowrite32(val, ipa->reg_virt + reg_offset(reg));
/* Actual divider is 1 more than value supplied here */
reg = ipa_reg(ipa, TIMERS_XO_CLK_DIV_CFG);
- offset = ipa_reg_offset(reg);
+ offset = reg_offset(reg);
+
val = ipa_reg_encode(reg, DIV_VALUE, IPA_XO_CLOCK_DIVIDER - 1);
iowrite32(val, ipa->reg_virt + offset);
@@ -422,7 +424,7 @@ static void ipa_hardware_config_counter(struct ipa *ipa)
reg = ipa_reg(ipa, COUNTER_CFG);
/* If defined, EOT_COAL_GRANULARITY is 0 */
val = ipa_reg_encode(reg, AGGR_GRANULARITY, granularity);
- iowrite32(val, ipa->reg_virt + ipa_reg_offset(reg));
+ iowrite32(val, ipa->reg_virt + reg_offset(reg));
}
static void ipa_hardware_config_timing(struct ipa *ipa)
@@ -451,7 +453,7 @@ static void ipa_hardware_config_hashing(struct ipa *ipa)
/* IPV6_ROUTER_HASH, IPV6_FILTER_HASH, IPV4_ROUTER_HASH,
* IPV4_FILTER_HASH are all zero.
*/
- iowrite32(0, ipa->reg_virt + ipa_reg_offset(reg));
+ iowrite32(0, ipa->reg_virt + reg_offset(reg));
}
static void ipa_idle_indication_cfg(struct ipa *ipa,
@@ -470,7 +472,7 @@ static void ipa_idle_indication_cfg(struct ipa *ipa,
if (const_non_idle_enable)
val |= ipa_reg_bit(reg, CONST_NON_IDLE_ENABLE);
- iowrite32(val, ipa->reg_virt + ipa_reg_offset(reg));
+ iowrite32(val, ipa->reg_virt + reg_offset(reg));
}
/**
diff --git a/drivers/net/ipa/ipa_mem.c b/drivers/net/ipa/ipa_mem.c
index a6efeed253764..20241fac21be5 100644
--- a/drivers/net/ipa/ipa_mem.c
+++ b/drivers/net/ipa/ipa_mem.c
@@ -116,7 +116,7 @@ int ipa_mem_setup(struct ipa *ipa)
reg = ipa_reg(ipa, LOCAL_PKT_PROC_CNTXT);
val = ipa_reg_encode(reg, IPA_BASE_ADDR, offset);
- iowrite32(val, ipa->reg_virt + ipa_reg_offset(reg));
+ iowrite32(val, ipa->reg_virt + reg_offset(reg));
return 0;
}
@@ -328,7 +328,7 @@ int ipa_mem_config(struct ipa *ipa)
/* Check the advertised location and size of the shared memory area */
reg = ipa_reg(ipa, SHARED_MEM_SIZE);
- val = ioread32(ipa->reg_virt + ipa_reg_offset(reg));
+ val = ioread32(ipa->reg_virt + reg_offset(reg));
/* The fields in the register are in 8 byte units */
ipa->mem_offset = 8 * ipa_reg_decode(reg, MEM_BADDR, val);
diff --git a/drivers/net/ipa/ipa_reg.h b/drivers/net/ipa/ipa_reg.h
index 626a74930ff9b..e0f125d70ff27 100644
--- a/drivers/net/ipa/ipa_reg.h
+++ b/drivers/net/ipa/ipa_reg.h
@@ -36,7 +36,7 @@ struct ipa;
* by register ID. Each entry in the array specifies the base offset and
* (for parameterized registers) a non-zero stride value. Not all versions
* of IPA define all registers. The offset for a register is returned by
- * ipa_reg_offset() when the register's ipa_reg structure is supplied;
+ * reg_offset() when the register's ipa_reg structure is supplied;
* zero is returned for an undefined register (this should never happen).
*
* Some registers encode multiple fields within them. Each field in
@@ -700,18 +700,6 @@ static inline u32 ipa_reg_field_max(const struct reg *reg, u32 field_id)
const struct reg *ipa_reg(struct ipa *ipa, enum ipa_reg_id reg_id);
-/* Returns 0 for NULL reg; warning will have already been issued */
-static inline u32 ipa_reg_offset(const struct reg *reg)
-{
- return reg ? reg->offset : 0;
-}
-
-/* Returns 0 for NULL reg; warning will have already been issued */
-static inline u32 ipa_reg_n_offset(const struct reg *reg, u32 n)
-{
- return reg ? reg->offset + n * reg->stride : 0;
-}
-
int ipa_reg_init(struct ipa *ipa);
void ipa_reg_exit(struct ipa *ipa);
diff --git a/drivers/net/ipa/ipa_resource.c b/drivers/net/ipa/ipa_resource.c
index 3778e7664f07c..b63f130350d59 100644
--- a/drivers/net/ipa/ipa_resource.c
+++ b/drivers/net/ipa/ipa_resource.c
@@ -83,7 +83,7 @@ ipa_resource_config_common(struct ipa *ipa, u32 resource_type,
val |= ipa_reg_encode(reg, Y_MAX_LIM, ylimits->max);
}
- iowrite32(val, ipa->reg_virt + ipa_reg_n_offset(reg, resource_type));
+ iowrite32(val, ipa->reg_virt + reg_n_offset(reg, resource_type));
}
static void ipa_resource_config_src(struct ipa *ipa, u32 resource_type,
diff --git a/drivers/net/ipa/ipa_table.c b/drivers/net/ipa/ipa_table.c
index 859286a66b0d1..54327c9f48275 100644
--- a/drivers/net/ipa/ipa_table.c
+++ b/drivers/net/ipa/ipa_table.c
@@ -347,7 +347,6 @@ int ipa_table_hash_flush(struct ipa *ipa)
{
struct gsi_trans *trans;
const struct reg *reg;
- u32 offset;
u32 val;
if (!ipa_table_hash_support(ipa))
@@ -361,7 +360,6 @@ int ipa_table_hash_flush(struct ipa *ipa)
if (ipa->version < IPA_VERSION_5_0) {
reg = ipa_reg(ipa, FILT_ROUT_HASH_FLUSH);
- offset = ipa_reg_offset(reg);
val = ipa_reg_bit(reg, IPV6_ROUTER_HASH);
val |= ipa_reg_bit(reg, IPV6_FILTER_HASH);
@@ -369,14 +367,13 @@ int ipa_table_hash_flush(struct ipa *ipa)
val |= ipa_reg_bit(reg, IPV4_FILTER_HASH);
} else {
reg = ipa_reg(ipa, FILT_ROUT_CACHE_FLUSH);
- offset = ipa_reg_offset(reg);
/* IPA v5.0+ uses a unified cache (both IPv4 and IPv6) */
val = ipa_reg_bit(reg, ROUTER_CACHE);
val |= ipa_reg_bit(reg, FILTER_CACHE);
}
- ipa_cmd_register_write_add(trans, offset, val, val, false);
+ ipa_cmd_register_write_add(trans, reg_offset(reg), val, val, false);
gsi_trans_commit_wait(trans);
@@ -502,7 +499,7 @@ static void ipa_filter_tuple_zero(struct ipa_endpoint *endpoint)
if (ipa->version < IPA_VERSION_5_0) {
reg = ipa_reg(ipa, ENDP_FILTER_ROUTER_HSH_CFG);
- offset = ipa_reg_n_offset(reg, endpoint_id);
+ offset = reg_n_offset(reg, endpoint_id);
val = ioread32(endpoint->ipa->reg_virt + offset);
/* Zero all filter-related fields, preserving the rest */
@@ -510,7 +507,7 @@ static void ipa_filter_tuple_zero(struct ipa_endpoint *endpoint)
} else {
/* IPA v5.0 separates filter and router cache configuration */
reg = ipa_reg(ipa, ENDP_FILTER_CACHE_CFG);
- offset = ipa_reg_n_offset(reg, endpoint_id);
+ offset = reg_n_offset(reg, endpoint_id);
/* Zero all filter-related fields */
val = 0;
@@ -560,7 +557,7 @@ static void ipa_route_tuple_zero(struct ipa *ipa, u32 route_id)
if (ipa->version < IPA_VERSION_5_0) {
reg = ipa_reg(ipa, ENDP_FILTER_ROUTER_HSH_CFG);
- offset = ipa_reg_n_offset(reg, route_id);
+ offset = reg_n_offset(reg, route_id);
val = ioread32(ipa->reg_virt + offset);
@@ -569,7 +566,7 @@ static void ipa_route_tuple_zero(struct ipa *ipa, u32 route_id)
} else {
/* IPA v5.0 separates filter and router cache configuration */
reg = ipa_reg(ipa, ENDP_ROUTER_CACHE_CFG);
- offset = ipa_reg_n_offset(reg, route_id);
+ offset = reg_n_offset(reg, route_id);
/* Zero all route-related fields */
val = 0;
diff --git a/drivers/net/ipa/ipa_uc.c b/drivers/net/ipa/ipa_uc.c
index 2d25fe0804b25..54ee0a106f35c 100644
--- a/drivers/net/ipa/ipa_uc.c
+++ b/drivers/net/ipa/ipa_uc.c
@@ -245,7 +245,7 @@ static void send_uc_command(struct ipa *ipa, u32 command, u32 command_param)
reg = ipa_reg(ipa, IPA_IRQ_UC);
val = ipa_reg_bit(reg, UC_INTR);
- iowrite32(val, ipa->reg_virt + ipa_reg_offset(reg));
+ iowrite32(val, ipa->reg_virt + reg_offset(reg));
}
/* Tell the microcontroller the AP is shutting down */
diff --git a/drivers/net/ipa/reg.h b/drivers/net/ipa/reg.h
index f0be664676d36..3c09e66b34a18 100644
--- a/drivers/net/ipa/reg.h
+++ b/drivers/net/ipa/reg.h
@@ -67,4 +67,16 @@ static inline const struct reg *reg(const struct regs *regs, u32 reg_id)
return regs->reg[reg_id];
}
+/* Returns 0 for NULL reg; warning should have already been issued */
+static inline u32 reg_offset(const struct reg *reg)
+{
+ return reg ? reg->offset : 0;
+}
+
+/* Returns 0 for NULL reg; warning should have already been issued */
+static inline u32 reg_n_offset(const struct reg *reg, u32 n)
+{
+ return reg ? reg->offset + n * reg->stride : 0;
+}
+
#endif /* _REG_H_ */
--
2.34.1
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