From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 07C992D023; Mon, 10 Mar 2025 17:56:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741629363; cv=none; b=mQh/xrGTYliwrp2YYzGFuc5E6nMdehGlV9HCMgs0EAqZoeGnSiLIi9ID8f/POYrMIZBstIHa+P00WGyCCARAd3VVCH/tkzKeaUz02IoZpN3588BxEWGxfvRUIrynXhidgDAP0Ab+U3qIRE1mJAdhfQQYXqcFro72+DR2Ug28tMY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741629363; c=relaxed/simple; bh=Vnfzcqqi7NGIOJHMZLjGdUpqgmJAoU0MagpUv4glJiE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=XyE6T9fERZQm+iO4yMiOuv25zs/yVW1yHw85C3JqsmI9K+3cgbYo9/nOeULUfthAO6KKrNueQgkDSxEQp3XzySM/kc9Ii1TzC6qbPAk1YdjjY1AWyLzFLcpLGguWcBJSogrTS66j4ZBRaS85cW5XJ+lbEU1R9g8trmybUb7S0vc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=tNYBTafo; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="tNYBTafo" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 81103C4CEE5; Mon, 10 Mar 2025 17:56:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1741629362; bh=Vnfzcqqi7NGIOJHMZLjGdUpqgmJAoU0MagpUv4glJiE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tNYBTafoZwccs6tgGG45p++8xmu7Vn5LeQxEl8MO9V3egXMXtawW15P2Gw80QutMk 4vwBTW0aSzD/MDVQTR3O2lEKlTkbxXQduFxdhK/auBjTXSHKz7/ItMBCy4fXAkvXfK MEaQ0+WA84KUd9ngefu8fxZLM5P0rINTe5hsXuvY= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Luca Weiss , Konrad Dybcio , Bjorn Andersson Subject: [PATCH 5.15 268/620] clk: qcom: gcc-sm6350: Add missing parent_map for two clocks Date: Mon, 10 Mar 2025 18:01:54 +0100 Message-ID: <20250310170556.199502337@linuxfoundation.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250310170545.553361750@linuxfoundation.org> References: <20250310170545.553361750@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Luca Weiss commit 96fe1a7ee477d701cfc98ab9d3c730c35d966861 upstream. If a clk_rcg2 has a parent, it should also have parent_map defined, otherwise we'll get a NULL pointer dereference when calling clk_set_rate like the following: [ 3.388105] Call trace: [ 3.390664] qcom_find_src_index+0x3c/0x70 (P) [ 3.395301] qcom_find_src_index+0x1c/0x70 (L) [ 3.399934] _freq_tbl_determine_rate+0x48/0x100 [ 3.404753] clk_rcg2_determine_rate+0x1c/0x28 [ 3.409387] clk_core_determine_round_nolock+0x58/0xe4 [ 3.421414] clk_core_round_rate_nolock+0x48/0xfc [ 3.432974] clk_core_round_rate_nolock+0xd0/0xfc [ 3.444483] clk_core_set_rate_nolock+0x8c/0x300 [ 3.455886] clk_set_rate+0x38/0x14c Add the parent_map property for two clocks where it's missing and also un-inline the parent_data as well to keep the matching parent_map and parent_data together. Fixes: 131abae905df ("clk: qcom: Add SM6350 GCC driver") Cc: stable@vger.kernel.org Signed-off-by: Luca Weiss Reviewed-by: Konrad Dybcio Link: https://lore.kernel.org/r/20241220-sm6350-parent_map-v1-1-64f3d04cb2eb@fairphone.com Signed-off-by: Bjorn Andersson Signed-off-by: Greg Kroah-Hartman --- drivers/clk/qcom/gcc-sm6350.c | 22 ++++++++++++++-------- 1 file changed, 14 insertions(+), 8 deletions(-) --- a/drivers/clk/qcom/gcc-sm6350.c +++ b/drivers/clk/qcom/gcc-sm6350.c @@ -181,6 +181,14 @@ static const struct clk_parent_data gcc_ { .hw = &gpll0_out_odd.clkr.hw }, }; +static const struct parent_map gcc_parent_map_3[] = { + { P_BI_TCXO, 0 }, +}; + +static const struct clk_parent_data gcc_parent_data_3[] = { + { .fw_name = "bi_tcxo" }, +}; + static const struct parent_map gcc_parent_map_4[] = { { P_BI_TCXO, 0 }, { P_GPLL0_OUT_MAIN, 1 }, @@ -700,13 +708,12 @@ static struct clk_rcg2 gcc_ufs_phy_phy_a .cmd_rcgr = 0x3a0b0, .mnd_width = 0, .hid_width = 5, + .parent_map = gcc_parent_map_3, .freq_tbl = ftbl_gcc_ufs_phy_phy_aux_clk_src, .clkr.hw.init = &(struct clk_init_data){ .name = "gcc_ufs_phy_phy_aux_clk_src", - .parent_data = &(const struct clk_parent_data){ - .fw_name = "bi_tcxo", - }, - .num_parents = 1, + .parent_data = gcc_parent_data_3, + .num_parents = ARRAY_SIZE(gcc_parent_data_3), .ops = &clk_rcg2_ops, }, }; @@ -763,13 +770,12 @@ static struct clk_rcg2 gcc_usb30_prim_mo .cmd_rcgr = 0x1a034, .mnd_width = 0, .hid_width = 5, + .parent_map = gcc_parent_map_3, .freq_tbl = ftbl_gcc_usb30_prim_mock_utmi_clk_src, .clkr.hw.init = &(struct clk_init_data){ .name = "gcc_usb30_prim_mock_utmi_clk_src", - .parent_data = &(const struct clk_parent_data){ - .fw_name = "bi_tcxo", - }, - .num_parents = 1, + .parent_data = gcc_parent_data_3, + .num_parents = ARRAY_SIZE(gcc_parent_data_3), .ops = &clk_rcg2_ops, }, };