From patchwork Sat Feb 12 18:20:57 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam X-Patchwork-Id: 542176 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 20F39C433F5 for ; Sat, 12 Feb 2022 18:22:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229674AbiBLSWP (ORCPT ); Sat, 12 Feb 2022 13:22:15 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:45370 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229640AbiBLSWO (ORCPT ); Sat, 12 Feb 2022 13:22:14 -0500 Received: from mail-pj1-x102d.google.com (mail-pj1-x102d.google.com [IPv6:2607:f8b0:4864:20::102d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B16275B8BE for ; Sat, 12 Feb 2022 10:22:08 -0800 (PST) Received: by mail-pj1-x102d.google.com with SMTP id n19-20020a17090ade9300b001b9892a7bf9so2593105pjv.5 for ; Sat, 12 Feb 2022 10:22:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=XL8iANerwUqfjAmRDN5JLJlwsSK7yuUEl1pJQa2iTKo=; b=RWtA+y58In7PePNDhkBypH49VACslI/2SNRrLINIgmrwmpPDIRZPEoGxwH184DWsRr cYUEgRmorxCM3Aoo2iwRG7H4lImpPSy0OJm1ckGH/0UM5fJu8gpl0VHTgymEoeakL18I MSpCYbPTOvxkUOqmgmW6q/I2BtG6zzbApdMNs4X1kftOiLb2kZa0Iw3Of44d4dNVyEh8 cTZVVtYkMKQpKlOE0KuT1X4m70CVrpDXPKkB/e+J2bYBZrXoJt3w51/3qs/hcpQND1nu GJWmPfe77cMZ0uxJNkSOdpSK0yFCq5I8ODoKohmmv+B2VSdrAR1mtUblKTL0jT6oCix1 uQNg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=XL8iANerwUqfjAmRDN5JLJlwsSK7yuUEl1pJQa2iTKo=; b=q1H7hKRYdTv44QHMgWI2ZbTtNzS7WKgj17kWx4uxfmqjESzYuWe54aYFS9roXLhlSh AMNztntQ6P7tDJK7FjOcMl28GXBrTtGSxefaAcSehOqg64QGd5uQ9Ewva2L4S9/8DP8z e6/if9rOgVjpzAorGc+DYgOLPepqeHVHmwK/cEcTNTUYFZ5KdXtXs7bM9McEG1STwrAl 1vZ+wx+hzwfdIVvdaOaIj8iyjGsLYFXoJ0dnZ7tTZukHdaKWHcmAePbI06dXvmT8kyPR /I9GaPWZ1mzgA/a3DXvHgWrCTDNTrTaqa/UvTrgJN18JybkuOAdX3oU1r9Gn5jWFZF8+ 1U0Q== X-Gm-Message-State: AOAM530eZzSBiWj50RgEndUDUUft/pOaILxSrXaafcvBgkBuV3TUb9CK uZ2LWol6JzcKi6WcthzlQrbn X-Google-Smtp-Source: ABdhPJyYtq0xGKVJ9EzMsMV1LKDwmNpTICImAtR+oPyS7yLSD8ULBU2h1+ykBXI9ouxi0GQR0ZV/Og== X-Received: by 2002:a17:90a:4811:: with SMTP id a17mr6238337pjh.159.1644690128180; Sat, 12 Feb 2022 10:22:08 -0800 (PST) Received: from localhost.localdomain ([27.111.75.57]) by smtp.gmail.com with ESMTPSA id g12sm14961987pfj.148.2022.02.12.10.22.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 12 Feb 2022 10:22:07 -0800 (PST) From: Manivannan Sadhasivam To: mhi@lists.linux.dev Cc: quic_hemantk@quicinc.com, quic_bbhatt@quicinc.com, quic_jhugo@quicinc.com, vinod.koul@linaro.org, bjorn.andersson@linaro.org, dmitry.baryshkov@linaro.org, quic_vbadigan@quicinc.com, quic_cang@quicinc.com, quic_skananth@quicinc.com, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, elder@linaro.org, Manivannan Sadhasivam Subject: [PATCH v3 05/25] bus: mhi: Make mhi_state_str[] array static inline and move to common.h Date: Sat, 12 Feb 2022 23:50:57 +0530 Message-Id: <20220212182117.49438-6-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220212182117.49438-1-manivannan.sadhasivam@linaro.org> References: <20220212182117.49438-1-manivannan.sadhasivam@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org mhi_state_str[] array could be used by MHI endpoint stack also. So let's make the array as "static inline function" and move it inside the "common.h" header so that the endpoint stack could also make use of it. Signed-off-by: Manivannan Sadhasivam Reviewed-by: Hemant Kumar --- drivers/bus/mhi/common.h | 29 +++++++++++++++++++++++++---- drivers/bus/mhi/host/boot.c | 2 +- drivers/bus/mhi/host/debugfs.c | 6 +++--- drivers/bus/mhi/host/init.c | 12 ------------ drivers/bus/mhi/host/main.c | 8 ++++---- drivers/bus/mhi/host/pm.c | 14 +++++++------- 6 files changed, 40 insertions(+), 31 deletions(-) diff --git a/drivers/bus/mhi/common.h b/drivers/bus/mhi/common.h index 0d13a202d334..288e47168649 100644 --- a/drivers/bus/mhi/common.h +++ b/drivers/bus/mhi/common.h @@ -159,9 +159,30 @@ struct mhi_cmd_ctxt { __le64 wp __packed __aligned(4); }; -extern const char * const mhi_state_str[MHI_STATE_MAX]; -#define TO_MHI_STATE_STR(state) ((state >= MHI_STATE_MAX || \ - !mhi_state_str[state]) ? \ - "INVALID_STATE" : mhi_state_str[state]) +static inline const char * const mhi_state_str(enum mhi_state state) +{ + switch (state) { + case MHI_STATE_RESET: + return "RESET"; + case MHI_STATE_READY: + return "READY"; + case MHI_STATE_M0: + return "M0"; + case MHI_STATE_M1: + return "M1"; + case MHI_STATE_M2: + return"M2"; + case MHI_STATE_M3: + return"M3"; + case MHI_STATE_M3_FAST: + return"M3 FAST"; + case MHI_STATE_BHI: + return"BHI"; + case MHI_STATE_SYS_ERR: + return "SYS ERROR"; + default: + return "Unknown state"; + } +}; #endif /* _MHI_COMMON_H */ diff --git a/drivers/bus/mhi/host/boot.c b/drivers/bus/mhi/host/boot.c index 74295d3cc662..93cb705614c6 100644 --- a/drivers/bus/mhi/host/boot.c +++ b/drivers/bus/mhi/host/boot.c @@ -68,7 +68,7 @@ static int __mhi_download_rddm_in_panic(struct mhi_controller *mhi_cntrl) dev_dbg(dev, "Entered with pm_state:%s dev_state:%s ee:%s\n", to_mhi_pm_state_str(mhi_cntrl->pm_state), - TO_MHI_STATE_STR(mhi_cntrl->dev_state), + mhi_state_str(mhi_cntrl->dev_state), TO_MHI_EXEC_STR(mhi_cntrl->ee)); /* diff --git a/drivers/bus/mhi/host/debugfs.c b/drivers/bus/mhi/host/debugfs.c index d818586c229d..399d0db1f1eb 100644 --- a/drivers/bus/mhi/host/debugfs.c +++ b/drivers/bus/mhi/host/debugfs.c @@ -20,7 +20,7 @@ static int mhi_debugfs_states_show(struct seq_file *m, void *d) seq_printf(m, "PM state: %s Device: %s MHI state: %s EE: %s wake: %s\n", to_mhi_pm_state_str(mhi_cntrl->pm_state), mhi_is_active(mhi_cntrl) ? "Active" : "Inactive", - TO_MHI_STATE_STR(mhi_cntrl->dev_state), + mhi_state_str(mhi_cntrl->dev_state), TO_MHI_EXEC_STR(mhi_cntrl->ee), mhi_cntrl->wake_set ? "true" : "false"); @@ -206,13 +206,13 @@ static int mhi_debugfs_regdump_show(struct seq_file *m, void *d) seq_printf(m, "Host PM state: %s Device state: %s EE: %s\n", to_mhi_pm_state_str(mhi_cntrl->pm_state), - TO_MHI_STATE_STR(mhi_cntrl->dev_state), + mhi_state_str(mhi_cntrl->dev_state), TO_MHI_EXEC_STR(mhi_cntrl->ee)); state = mhi_get_mhi_state(mhi_cntrl); ee = mhi_get_exec_env(mhi_cntrl); seq_printf(m, "Device EE: %s state: %s\n", TO_MHI_EXEC_STR(ee), - TO_MHI_STATE_STR(state)); + mhi_state_str(state)); for (i = 0; regs[i].name; i++) { if (!regs[i].base) diff --git a/drivers/bus/mhi/host/init.c b/drivers/bus/mhi/host/init.c index 4bd62f32695d..0e301f3f305e 100644 --- a/drivers/bus/mhi/host/init.c +++ b/drivers/bus/mhi/host/init.c @@ -44,18 +44,6 @@ const char * const dev_state_tran_str[DEV_ST_TRANSITION_MAX] = { [DEV_ST_TRANSITION_DISABLE] = "DISABLE", }; -const char * const mhi_state_str[MHI_STATE_MAX] = { - [MHI_STATE_RESET] = "RESET", - [MHI_STATE_READY] = "READY", - [MHI_STATE_M0] = "M0", - [MHI_STATE_M1] = "M1", - [MHI_STATE_M2] = "M2", - [MHI_STATE_M3] = "M3", - [MHI_STATE_M3_FAST] = "M3 FAST", - [MHI_STATE_BHI] = "BHI", - [MHI_STATE_SYS_ERR] = "SYS ERROR", -}; - const char * const mhi_ch_state_type_str[MHI_CH_STATE_TYPE_MAX] = { [MHI_CH_STATE_TYPE_RESET] = "RESET", [MHI_CH_STATE_TYPE_STOP] = "STOP", diff --git a/drivers/bus/mhi/host/main.c b/drivers/bus/mhi/host/main.c index 85f4f7c8d7c6..e436c2993d97 100644 --- a/drivers/bus/mhi/host/main.c +++ b/drivers/bus/mhi/host/main.c @@ -479,8 +479,8 @@ irqreturn_t mhi_intvec_threaded_handler(int irq_number, void *priv) ee = mhi_get_exec_env(mhi_cntrl); dev_dbg(dev, "local ee: %s state: %s device ee: %s state: %s\n", TO_MHI_EXEC_STR(mhi_cntrl->ee), - TO_MHI_STATE_STR(mhi_cntrl->dev_state), - TO_MHI_EXEC_STR(ee), TO_MHI_STATE_STR(state)); + mhi_state_str(mhi_cntrl->dev_state), + TO_MHI_EXEC_STR(ee), mhi_state_str(state)); if (state == MHI_STATE_SYS_ERR) { dev_dbg(dev, "System error detected\n"); @@ -846,7 +846,7 @@ int mhi_process_ctrl_ev_ring(struct mhi_controller *mhi_cntrl, new_state = MHI_TRE_GET_EV_STATE(local_rp); dev_dbg(dev, "State change event to state: %s\n", - TO_MHI_STATE_STR(new_state)); + mhi_state_str(new_state)); switch (new_state) { case MHI_STATE_M0: @@ -873,7 +873,7 @@ int mhi_process_ctrl_ev_ring(struct mhi_controller *mhi_cntrl, } default: dev_err(dev, "Invalid state: %s\n", - TO_MHI_STATE_STR(new_state)); + mhi_state_str(new_state)); } break; diff --git a/drivers/bus/mhi/host/pm.c b/drivers/bus/mhi/host/pm.c index c35c5ddc7220..088ade0f3e0b 100644 --- a/drivers/bus/mhi/host/pm.c +++ b/drivers/bus/mhi/host/pm.c @@ -545,7 +545,7 @@ static void mhi_pm_disable_transition(struct mhi_controller *mhi_cntrl) dev_dbg(dev, "Exiting with PM state: %s, MHI state: %s\n", to_mhi_pm_state_str(mhi_cntrl->pm_state), - TO_MHI_STATE_STR(mhi_cntrl->dev_state)); + mhi_state_str(mhi_cntrl->dev_state)); mutex_unlock(&mhi_cntrl->pm_mutex); } @@ -689,7 +689,7 @@ static void mhi_pm_sys_error_transition(struct mhi_controller *mhi_cntrl) exit_sys_error_transition: dev_dbg(dev, "Exiting with PM state: %s, MHI state: %s\n", to_mhi_pm_state_str(mhi_cntrl->pm_state), - TO_MHI_STATE_STR(mhi_cntrl->dev_state)); + mhi_state_str(mhi_cntrl->dev_state)); mutex_unlock(&mhi_cntrl->pm_mutex); } @@ -864,7 +864,7 @@ int mhi_pm_suspend(struct mhi_controller *mhi_cntrl) if (!ret || MHI_PM_IN_ERROR_STATE(mhi_cntrl->pm_state)) { dev_err(dev, "Did not enter M3 state, MHI state: %s, PM state: %s\n", - TO_MHI_STATE_STR(mhi_cntrl->dev_state), + mhi_state_str(mhi_cntrl->dev_state), to_mhi_pm_state_str(mhi_cntrl->pm_state)); return -EIO; } @@ -890,7 +890,7 @@ static int __mhi_pm_resume(struct mhi_controller *mhi_cntrl, bool force) dev_dbg(dev, "Entered with PM state: %s, MHI state: %s\n", to_mhi_pm_state_str(mhi_cntrl->pm_state), - TO_MHI_STATE_STR(mhi_cntrl->dev_state)); + mhi_state_str(mhi_cntrl->dev_state)); if (mhi_cntrl->pm_state == MHI_PM_DISABLE) return 0; @@ -900,7 +900,7 @@ static int __mhi_pm_resume(struct mhi_controller *mhi_cntrl, bool force) if (mhi_get_mhi_state(mhi_cntrl) != MHI_STATE_M3) { dev_warn(dev, "Resuming from non M3 state (%s)\n", - TO_MHI_STATE_STR(mhi_get_mhi_state(mhi_cntrl))); + mhi_state_str(mhi_get_mhi_state(mhi_cntrl))); if (!force) return -EINVAL; } @@ -937,7 +937,7 @@ static int __mhi_pm_resume(struct mhi_controller *mhi_cntrl, bool force) if (!ret || MHI_PM_IN_ERROR_STATE(mhi_cntrl->pm_state)) { dev_err(dev, "Did not enter M0 state, MHI state: %s, PM state: %s\n", - TO_MHI_STATE_STR(mhi_cntrl->dev_state), + mhi_state_str(mhi_cntrl->dev_state), to_mhi_pm_state_str(mhi_cntrl->pm_state)); return -EIO; } @@ -1088,7 +1088,7 @@ int mhi_async_power_up(struct mhi_controller *mhi_cntrl) state = mhi_get_mhi_state(mhi_cntrl); dev_dbg(dev, "Attempting power on with EE: %s, state: %s\n", - TO_MHI_EXEC_STR(current_ee), TO_MHI_STATE_STR(state)); + TO_MHI_EXEC_STR(current_ee), mhi_state_str(state)); if (state == MHI_STATE_SYS_ERR) { mhi_set_mhi_state(mhi_cntrl, MHI_STATE_RESET);