diff options
Diffstat (limited to 'drivers/net/ipa/ipa_endpoint.c')
| -rw-r--r-- | drivers/net/ipa/ipa_endpoint.c | 44 |
1 files changed, 17 insertions, 27 deletions
diff --git a/drivers/net/ipa/ipa_endpoint.c b/drivers/net/ipa/ipa_endpoint.c index 32559ed498c1..abc939c272b5 100644 --- a/drivers/net/ipa/ipa_endpoint.c +++ b/drivers/net/ipa/ipa_endpoint.c @@ -459,8 +459,8 @@ void ipa_endpoint_modem_pause_all(struct ipa *ipa, bool enable) /* Reset all modem endpoints to use the default exception endpoint */ int ipa_endpoint_modem_exception_reset_all(struct ipa *ipa) { - u32 defined = ipa->defined; struct gsi_trans *trans; + u32 endpoint_id; u32 count; /* We need one command per modem TX endpoint, plus the commands @@ -474,14 +474,11 @@ int ipa_endpoint_modem_exception_reset_all(struct ipa *ipa) return -EBUSY; } - while (defined) { - u32 endpoint_id = __ffs(defined); + for_each_set_bit(endpoint_id, ipa->defined, ipa->endpoint_count) { struct ipa_endpoint *endpoint; const struct ipa_reg *reg; u32 offset; - defined ^= BIT(endpoint_id); - /* We only reset modem TX endpoints */ endpoint = &ipa->endpoint[endpoint_id]; if (!(endpoint->ee_id == GSI_EE_MODEM && endpoint->toward_ipa)) @@ -1823,16 +1820,11 @@ static void ipa_endpoint_teardown_one(struct ipa_endpoint *endpoint) void ipa_endpoint_setup(struct ipa *ipa) { - u32 defined = ipa->defined; + u32 endpoint_id; ipa->set_up = 0; - while (defined) { - u32 endpoint_id = __ffs(defined); - - defined ^= BIT(endpoint_id); - + for_each_set_bit(endpoint_id, ipa->defined, ipa->endpoint_count) ipa_endpoint_setup_one(&ipa->endpoint[endpoint_id]); - } } void ipa_endpoint_teardown(struct ipa *ipa) @@ -1853,10 +1845,10 @@ int ipa_endpoint_config(struct ipa *ipa) { struct device *dev = &ipa->pdev->dev; const struct ipa_reg *reg; + u32 endpoint_id; u32 tx_count; u32 rx_count; u32 rx_base; - u32 defined; u32 limit; u32 val; @@ -1896,13 +1888,9 @@ int ipa_endpoint_config(struct ipa *ipa) /* Mark all supported RX and TX endpoints as available */ ipa->available = GENMASK(limit - 1, rx_base) | GENMASK(tx_count - 1, 0); - defined = ipa->defined; - while (defined) { - u32 endpoint_id = __ffs(defined); + for_each_set_bit(endpoint_id, ipa->defined, ipa->endpoint_count) { struct ipa_endpoint *endpoint; - defined ^= BIT(endpoint_id); - if (endpoint_id >= limit) { dev_err(dev, "invalid endpoint id, %u > %u\n", endpoint_id, limit - 1); @@ -1954,27 +1942,26 @@ static void ipa_endpoint_init_one(struct ipa *ipa, enum ipa_endpoint_name name, endpoint->toward_ipa = data->toward_ipa; endpoint->config = data->endpoint.config; - ipa->defined |= BIT(endpoint->endpoint_id); + __set_bit(endpoint->endpoint_id, ipa->defined); } static void ipa_endpoint_exit_one(struct ipa_endpoint *endpoint) { - endpoint->ipa->defined &= ~BIT(endpoint->endpoint_id); + __clear_bit(endpoint->endpoint_id, endpoint->ipa->defined); memset(endpoint, 0, sizeof(*endpoint)); } void ipa_endpoint_exit(struct ipa *ipa) { - u32 defined = ipa->defined; + u32 endpoint_id; - while (defined) { - u32 endpoint_id = __fls(defined); + for_each_set_bit(endpoint_id, ipa->defined, ipa->endpoint_count) + ipa_endpoint_exit_one(&ipa->endpoint[endpoint_id]); - defined ^= BIT(endpoint_id); + bitmap_free(ipa->defined); + ipa->defined = NULL; - ipa_endpoint_exit_one(&ipa->endpoint[endpoint_id]); - } memset(ipa->name_map, 0, sizeof(ipa->name_map)); memset(ipa->channel_map, 0, sizeof(ipa->channel_map)); } @@ -1993,7 +1980,10 @@ u32 ipa_endpoint_init(struct ipa *ipa, u32 count, if (!ipa->endpoint_count) return 0; /* Error */ - ipa->defined = 0; + /* Initialize the defined endpoint bitmap */ + ipa->defined = bitmap_zalloc(ipa->endpoint_count, GFP_KERNEL); + if (!ipa->defined) + return 0; /* Error */ filter_map = 0; for (name = 0; name < count; name++, data++) { |