From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8B800369D6A; Wed, 20 May 2026 16:34:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779294872; cv=none; b=FsAtTLB8b4BriSGbvoEhZgHC5zybNBUZIQV631VOVmM/A5qDc+k6XChuBtpdRC4aefcNUxcEO/2357k+NnLQAQPyeBqbcssu4u1Sjiqjna3t2WXUDwmtgU+aLwctLIg7o5IvRp2h2wEerTlL8/53vcy640gWSicLsefd1Lzl34M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779294872; c=relaxed/simple; bh=6kY3a52+/kBe+WcrGJzyjpybnD9iY6RLvH8480IPysw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=GQ1ZXSEih4JwHi+6rvsHrniiwMluPvGb52oEXYeT067kelg5T2JAFKzJzpmJDv7enTBIN+7MjYky3Ohsy12u8kXgjPNZk2enLPnvJTZTfTQEIymM9ubQxkP6etgeNjPAIXpXTjOYDPPCoxJjrcgkI7b0pl38h9waDzQqe1R1Lwk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=h6ECY0ir; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="h6ECY0ir" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F223A1F000E9; Wed, 20 May 2026 16:34:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1779294871; bh=I0ZUCAa213aRY+vHqVcfAF8qn4bsfo9fd9tc9wXGZzM=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=h6ECY0irtMfjOJ/6X5rUvfFNe4tXISXbyATEHHUU4M6pQX8DboTY17+pPHSGjrP5t Sltm/UOLX7phnD7Ww82p821ru6mNgiOBoADgrBMtuZIffksALnqzf0mWwH8lKG4l2V CqmHWq2MLUcj1hw3LsgXMfoXMrFK+Q///7OaPifI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Luca Weiss , Konrad Dybcio , Jakub Kicinski , Sasha Levin Subject: [PATCH 7.0 0203/1146] net: ipa: Fix decoding EV_PER_EE for IPA v5.0+ Date: Wed, 20 May 2026 18:07:33 +0200 Message-ID: <20260520162152.864007445@linuxfoundation.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260520162148.390695140@linuxfoundation.org> References: <20260520162148.390695140@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 7.0-stable review patch. If anyone has any objections, please let me know. ------------------ From: Luca Weiss [ Upstream commit 1335b903cf2e8aeaca87fd665683384c731ec941 ] Initially 'reg' and 'val' are assigned from HW_PARAM_2. But since IPA v5.0+ takes EV_PER_EE from HW_PARAM_4 (instead of NUM_EV_PER_EE from HW_PARAM_2), we not only need to re-assign 'reg' but also read the register value of that register into 'val' so that reg_decode() works on the correct value. Fixes: f651334e1ef5 ("net: ipa: add HW_PARAM_4 GSI register") Link: https://sashiko.dev/#/patchset/20260403-milos-ipa-v1-0-01e9e4e03d3e%40fairphone.com?part=2 Signed-off-by: Luca Weiss Reviewed-by: Konrad Dybcio Link: https://patch.msgid.link/20260409-ipa-fixes-v1-2-a817c30678ac@fairphone.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ipa/gsi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ipa/gsi.c b/drivers/net/ipa/gsi.c index 4c3227e77898c..624649484d627 100644 --- a/drivers/net/ipa/gsi.c +++ b/drivers/net/ipa/gsi.c @@ -2044,6 +2044,7 @@ static int gsi_ring_setup(struct gsi *gsi) count = reg_decode(reg, NUM_EV_PER_EE, val); } else { reg = gsi_reg(gsi, HW_PARAM_4); + val = ioread32(gsi->virt + reg_offset(reg)); count = reg_decode(reg, EV_PER_EE, val); } if (!count) { -- 2.53.0