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Message-ID: <201805190351.kbyN0JPN%fengguang.wu@intel.com>
Date: Sat, 19 May 2018 05:39:43 +0800
From: kbuild test robot <lkp@...el.com>
To: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Cc: kbuild-all@...org, gregkh@...uxfoundation.org, robh+dt@...nel.org,
kramasub@...eaurora.org, sdharia@...cinc.com, girishm@...cinc.com,
linux-kernel@...r.kernel.org, mark.rutland@....com,
bgoswami@...eaurora.org, devicetree@...r.kernel.org,
broonie@...nel.org, linux-arm-msm@...r.kernel.org,
alsa-devel@...a-project.org,
Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: Re: [PATCH 2/2] slimbus: ngd: Add qcom SLIMBus NGD driver
Hi Srinivas,
I love your patch! Yet something to improve:
[auto build test ERROR on linus/master]
[also build test ERROR on v4.17-rc5 next-20180517]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Srinivas-Kandagatla/slimbus-ngd-dt-bindings-Add-slim-ngd-dt-bindings/20180518-193916
config: arm-allmodconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=arm
All error/warnings (new ones prefixed by >>):
drivers/slimbus/qcom-ngd-ctrl.c: In function 'qcom_slim_ngd_get_laddr':
>> drivers/slimbus/qcom-ngd-ctrl.c:862:8: error: implicit declaration of function 'slim_prepare_txn'; did you mean 'slab_prepare_cpu'? [-Werror=implicit-function-declaration]
ret = slim_prepare_txn(sctrl, &txn, &done, true);
^~~~~~~~~~~~~~~~
slab_prepare_cpu
drivers/slimbus/qcom-ngd-ctrl.c: In function 'qcom_slim_ngd_notify_slaves':
>> drivers/slimbus/qcom-ngd-ctrl.c:969:11: error: implicit declaration of function 'of_slim_get_device'; did you mean 'slim_get_device'? [-Werror=implicit-function-declaration]
sbdev = of_slim_get_device(&ctrl->ctrl, node);
^~~~~~~~~~~~~~~~~~
slim_get_device
>> drivers/slimbus/qcom-ngd-ctrl.c:969:9: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
sbdev = of_slim_get_device(&ctrl->ctrl, node);
^
cc1: some warnings being treated as errors
vim +862 drivers/slimbus/qcom-ngd-ctrl.c
839
840 static int qcom_slim_ngd_get_laddr(struct slim_controller *sctrl,
841 struct slim_eaddr *ea, u8 *laddr)
842 {
843 DECLARE_COMPLETION_ONSTACK(done);
844 struct slim_val_inf msg = {0};
845 struct slim_msg_txn txn;
846 u8 wbuf[10] = {0};
847 u8 rbuf[10] = {0};
848 int ret;
849
850 txn.mt = SLIM_MSG_MT_DEST_REFERRED_USER;
851 txn.dt = SLIM_MSG_DEST_LOGICALADDR;
852 txn.la = SLIM_LA_MGR;
853 txn.ec = 0;
854
855 txn.mc = SLIM_USR_MC_ADDR_QUERY;
856 txn.rl = 11;
857 txn.msg = &msg;
858 txn.msg->num_bytes = 7;
859 txn.msg->wbuf = wbuf;
860 txn.msg->rbuf = rbuf;
861
> 862 ret = slim_prepare_txn(sctrl, &txn, &done, true);
863 if (ret)
864 return ret;
865
866 wbuf[0] = (u8)txn.tid;
867 memcpy(&wbuf[1], ea, sizeof(*ea));
868 ret = slim_do_transfer(sctrl, &txn);
869
870 *laddr = rbuf[6];
871
872 return ret;
873 }
874
875 static int qcom_slim_ngd_exit_dma(struct qcom_slim_ngd_ctrl *ctrl)
876 {
877 if (ctrl->dma_rx_channel)
878 dma_release_channel(ctrl->dma_rx_channel);
879
880 if (ctrl->dma_tx_channel)
881 dma_release_channel(ctrl->dma_tx_channel);
882
883 ctrl->dma_tx_channel = ctrl->dma_rx_channel = NULL;
884
885 return 0;
886 }
887
888 static void qcom_slim_ngd_setup(struct qcom_slim_ngd_ctrl *ctrl)
889 {
890 u32 cfg = readl_relaxed(ctrl->base +
891 NGD_BASE(ctrl->id, ctrl->ver));
892
893 if (ctrl->state == QCOM_SLIM_NGD_CTRL_DOWN)
894 qcom_slim_ngd_init_dma(ctrl);
895
896 /* By default enable message queues */
897 cfg |= NGD_CFG_RX_MSGQ_EN;
898 cfg |= NGD_CFG_TX_MSGQ_EN;
899
900 /* Enable NGD if it's not already enabled*/
901 if (!(cfg & NGD_CFG_ENABLE))
902 cfg |= NGD_CFG_ENABLE;
903
904 writel_relaxed(cfg, ctrl->base + NGD_BASE(ctrl->id, ctrl->ver));
905 }
906
907 static int qcom_slim_ngd_power_up(struct qcom_slim_ngd_ctrl *ctrl)
908 {
909 enum qcom_slim_ngd_state cur_state = ctrl->state;
910 void __iomem *ngd;
911 u32 laddr, rx_msgq;
912 int timeout, ret = 0;
913
914 if (ctrl->state == QCOM_SLIM_NGD_CTRL_DOWN) {
915 timeout = wait_for_completion_timeout(&ctrl->qmi.qmi_comp, HZ);
916 if (!timeout)
917 return -EREMOTEIO;
918 }
919
920 if (ctrl->state == QCOM_SLIM_NGD_CTRL_ASLEEP ||
921 ctrl->state == QCOM_SLIM_NGD_CTRL_DOWN) {
922 ret = qcom_slim_qmi_power_request(ctrl, true);
923 if (ret) {
924 dev_err(ctrl->dev, "SLIM QMI power request failed:%d\n",
925 ret);
926 return ret;
927 }
928 }
929
930 ctrl->ver = readl_relaxed(ctrl->base);
931 /* Version info in 16 MSbits */
932 ctrl->ver >>= 16;
933 ngd = ctrl->base + NGD_BASE(ctrl->id, ctrl->ver);
934 laddr = readl_relaxed(ngd + NGD_STATUS);
935 if (laddr & NGD_LADDR) {
936 /*
937 * external MDM restart case where ADSP itself was active framer
938 * For example, modem restarted when playback was active
939 */
940 if (cur_state == QCOM_SLIM_NGD_CTRL_AWAKE) {
941 dev_info(ctrl->dev, "Subsys restart: ADSP active framer\n");
942 return 0;
943 }
944 return 0;
945 }
946
947 writel_relaxed(DEF_NGD_INT_MASK, ctrl->base + NGD_INT_EN +
948 NGD_BASE(ctrl->id, ctrl->ver));
949 rx_msgq = readl_relaxed(ngd + NGD_RX_MSGQ_CFG);
950
951 writel_relaxed(rx_msgq|SLIM_RX_MSGQ_TIMEOUT_VAL, ngd + NGD_RX_MSGQ_CFG);
952 qcom_slim_ngd_setup(ctrl);
953
954 timeout = wait_for_completion_timeout(&ctrl->reconf, HZ);
955 if (!timeout) {
956 dev_err(ctrl->dev, "capability exchange timed-out\n");
957 return -ETIMEDOUT;
958 }
959
960 return 0;
961 }
962
963 static void qcom_slim_ngd_notify_slaves(struct qcom_slim_ngd_ctrl *ctrl)
964 {
965 struct slim_device *sbdev;
966 struct device_node *node;
967
968 for_each_child_of_node(ctrl->dev->of_node, node) {
> 969 sbdev = of_slim_get_device(&ctrl->ctrl, node);
970 if (!sbdev)
971 continue;
972
973 if (slim_get_logical_addr(sbdev))
974 dev_err(ctrl->dev, "Failed to get logical address\n");
975 }
976 }
977
---
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