linux-kernel - [PATCH net v2] net: ipa: fix one GSI register field width

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Date:   Wed, 22 Nov 2023 17:17:08 -0600
From:   Alex Elder <elder@...aro.org>
To:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com
Cc:     mka@...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 v2] net: ipa: fix one GSI register field width

The width of the R_LENGTH field of the EV_CH_E_CNTXT_1 GSI register
is 24 bits (not 20 bits) starting with IPA v5.0.  Fix this.

Fixes: faf0678ec8a0 ("net: ipa: add IPA v5.0 GSI register definitions")
Signed-off-by: Alex Elder <elder@...aro.org>
---
v2: Fixed erroneous commit hash in the "Fixes" tag.

 drivers/net/ipa/reg/gsi_reg-v5.0.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ipa/reg/gsi_reg-v5.0.c b/drivers/net/ipa/reg/gsi_reg-v5.0.c
index d7b81a36d673b..145eb0bd096d6 100644
--- a/drivers/net/ipa/reg/gsi_reg-v5.0.c
+++ b/drivers/net/ipa/reg/gsi_reg-v5.0.c
@@ -78,7 +78,7 @@ REG_STRIDE_FIELDS(EV_CH_E_CNTXT_0, ev_ch_e_cntxt_0,
 		  0x0001c000 + 0x12000 * GSI_EE_AP, 0x80);
 
 static const u32 reg_ev_ch_e_cntxt_1_fmask[] = {
-	[R_LENGTH]					= GENMASK(19, 0),
+	[R_LENGTH]					= GENMASK(23, 0),
 };
 
 REG_STRIDE_FIELDS(EV_CH_E_CNTXT_1, ev_ch_e_cntxt_1,
-- 
2.34.1