linux-kernel - [PATCH net-next 7/7] net: ipa: three small fixes

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Date:   Fri,  9 Apr 2021 13:07:22 -0500
From:   Alex Elder <elder@...aro.org>
To:     davem@...emloft.net, kuba@...nel.org
Cc:     bjorn.andersson@...aro.org, evgreen@...omium.org,
        cpratapa@...eaurora.org, subashab@...eaurora.org, elder@...nel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH net-next 7/7] net: ipa: three small fixes

Some time ago changes were made to stop referring to clearing the
hardware pipeline as a "tag process."  Fix a comment to use the
newer terminology.

Get rid of a pointless double-negation of the Boolean toward_ipa
flag in ipa_endpoint_config().

make ipa_endpoint_exit_one() private; it's only referenced inside
"ipa_endpoint.c".

Signed-off-by: Alex Elder <elder@...aro.org>
---
 drivers/net/ipa/ipa_endpoint.c | 6 +++---
 drivers/net/ipa/ipa_endpoint.h | 2 --
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ipa/ipa_endpoint.c b/drivers/net/ipa/ipa_endpoint.c
index dd24179383c1c..72751843b2e48 100644
--- a/drivers/net/ipa/ipa_endpoint.c
+++ b/drivers/net/ipa/ipa_endpoint.c
@@ -397,7 +397,7 @@ int ipa_endpoint_modem_exception_reset_all(struct ipa *ipa)
 	/* We need one command per modem TX endpoint.  We can get an upper
 	 * bound on that by assuming all initialized endpoints are modem->IPA.
 	 * That won't happen, and we could be more precise, but this is fine
-	 * for now.  We need to end the transaction with a "tag process."
+	 * for now.  End the transaction with commands to clear the pipeline.
 	 */
 	count = hweight32(initialized) + ipa_cmd_pipeline_clear_count();
 	trans = ipa_cmd_trans_alloc(ipa, count);
@@ -1755,7 +1755,7 @@ int ipa_endpoint_config(struct ipa *ipa)
 
 		/* Make sure it's pointing in the right direction */
 		endpoint = &ipa->endpoint[endpoint_id];
-		if ((endpoint_id < rx_base) != !!endpoint->toward_ipa) {
+		if ((endpoint_id < rx_base) != endpoint->toward_ipa) {
 			dev_err(dev, "endpoint id %u wrong direction\n",
 				endpoint_id);
 			ret = -EINVAL;
@@ -1791,7 +1791,7 @@ static void ipa_endpoint_init_one(struct ipa *ipa, enum ipa_endpoint_name name,
 	ipa->initialized |= BIT(endpoint->endpoint_id);
 }
 
-void ipa_endpoint_exit_one(struct ipa_endpoint *endpoint)
+static void ipa_endpoint_exit_one(struct ipa_endpoint *endpoint)
 {
 	endpoint->ipa->initialized &= ~BIT(endpoint->endpoint_id);
 
diff --git a/drivers/net/ipa/ipa_endpoint.h b/drivers/net/ipa/ipa_endpoint.h
index f034a9e6ef215..0a859d10312dc 100644
--- a/drivers/net/ipa/ipa_endpoint.h
+++ b/drivers/net/ipa/ipa_endpoint.h
@@ -87,8 +87,6 @@ int ipa_endpoint_modem_exception_reset_all(struct ipa *ipa);
 
 int ipa_endpoint_skb_tx(struct ipa_endpoint *endpoint, struct sk_buff *skb);
 
-void ipa_endpoint_exit_one(struct ipa_endpoint *endpoint);
-
 int ipa_endpoint_enable_one(struct ipa_endpoint *endpoint);
 void ipa_endpoint_disable_one(struct ipa_endpoint *endpoint);
 
-- 
2.27.0