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[net-next,1/4] net: ipa: move version test inside ipa_endpoint_program_delay()

Message ID 20200702112537.347994-2-elder@linaro.org
State New
Headers show
Series net: ipa: simplify endpoint programming | expand

Commit Message

Alex Elder July 2, 2020, 11:25 a.m. UTC 
IPA version 4.2 has a hardware quirk that affects endpoint delay
mode, so it isn't used there.  Isolate the test that avoids using
delay mode for that version inside ipa_endpoint_program_delay(),
rather than making that check in the caller.

Signed-off-by: Alex Elder <elder@linaro.org>

---
 drivers/net/ipa/ipa_endpoint.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

-- 
2.25.1
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Patch

diff --git a/drivers/net/ipa/ipa_endpoint.c b/drivers/net/ipa/ipa_endpoint.c
index a7b5a6407e8f..7f4bea18bd02 100644
--- a/drivers/net/ipa/ipa_endpoint.c
+++ b/drivers/net/ipa/ipa_endpoint.c
@@ -318,7 +318,9 @@  ipa_endpoint_program_delay(struct ipa_endpoint *endpoint, bool enable)
 {
 	/* assert(endpoint->toward_ipa); */
 
-	(void)ipa_endpoint_init_ctrl(endpoint, enable);
+	/* Delay mode doesn't work properly for IPA v4.2 */
+	if (endpoint->ipa->version != IPA_VERSION_4_2)
+		(void)ipa_endpoint_init_ctrl(endpoint, enable);
 }
 
 /* Returns previous suspend state (true means it was enabled) */
@@ -1294,8 +1296,7 @@  static void ipa_endpoint_reset(struct ipa_endpoint *endpoint)
 static void ipa_endpoint_program(struct ipa_endpoint *endpoint)
 {
 	if (endpoint->toward_ipa) {
-		if (endpoint->ipa->version != IPA_VERSION_4_2)
-			ipa_endpoint_program_delay(endpoint, false);
+		ipa_endpoint_program_delay(endpoint, false);
 		ipa_endpoint_init_hdr_ext(endpoint);
 		ipa_endpoint_init_aggr(endpoint);
 		ipa_endpoint_init_deaggr(endpoint);