From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8395BC433B4 for ; Wed, 19 May 2021 13:29:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6B54A60E08 for ; Wed, 19 May 2021 13:29:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353699AbhESNbJ (ORCPT ); Wed, 19 May 2021 09:31:09 -0400 Received: from mout.gmx.net ([212.227.17.21]:39531 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1353717AbhESNbH (ORCPT ); Wed, 19 May 2021 09:31:07 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1621430970; bh=GXqomoZSdBjRB0oq6Z2cHzh/ASxySPbR36fTfHmt1+Q=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date:In-Reply-To:References; b=D/7FHivZ/wMH7StfVwMgjHWBdPftcnPVGU+rytTpswQTfMH0vZdAxByYDRUHzLQs8 f4PFJAmhnbtymIY65fFPnHSA5C5v/y+f5vdmR53SKUpj43fs5yttxdJcZLrC8Eodya hd9I78PeWHWaBS4nNxCdfnxqOsT60zBz5EfoQ/5s= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from esprimo-mx.fritz.box ([79.242.184.149]) by mail.gmx.net (mrgmx104 [212.227.17.168]) with ESMTPSA (Nemesis) id 1MhU9j-1lExBp01R5-00egC1; Wed, 19 May 2021 15:29:30 +0200 From: W_Armin@gmx.de To: pali@kernel.org Cc: linux@roeck-us.net, jdelvare@suse.com, linux-hwmon@vger.kernel.org Subject: [PATCH 4/5] hwmon: (dell-smm-hwmon) Move variables into a driver private data structure Date: Wed, 19 May 2021 15:29:09 +0200 Message-Id: <20210519132910.14453-5-W_Armin@gmx.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210519132910.14453-1-W_Armin@gmx.de> References: <20210519132910.14453-1-W_Armin@gmx.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:UwcJXbJla5VqMxD8wOCsm1LCrkyySJjJ5G2hcPcEVgIZUOg1tT2 DyaHVtl2xpKMLH0pJZZ4dCHkr7qJja2eKyUCYSvvBwGEMbgAbfY4OG9JyocgK7GaVjmnWgf 1jzR6q7U+PR50kerQbu9XoZP/O3giGZO0aOh/Sp4pR3S2hbg3e+UL0ussBxB4I+PHiaGQRR 2Y78Hy6jusXyZnfI2LSfA== X-UI-Out-Filterresults: notjunk:1;V03:K0:84MdrZ5FEzQ=:Lk1cXK9cG7tNLPok9U67nu BmqyDa3GaQm/k0pTgB4TaLuDNERN9o3PSacUxcdgtD855bOjT8uZqGdkC0xmlGEkrOudRFiV8 ZkAbf+souSf44SfRvEhIRsFHSP8UExVFphtdbai6m0LN7CMgMNL/rr4PZ1Pk/J84xuViIuvcf ko0nLQnA/17cMRMU0KCCMyrvetldblKSKSxdIC83i5ENgS6ETrO+VUYi15WOKA5N5+HMH7S23 h+MK2H3jYqvKpqfdvJcs+MZ0rKIfSTMS9g2WCtIAPomWfo18ZKBL1lOLjsfjwd6YkfHakz2PX aCNJph3P3/SN1Vrti45txoMKJ2WN+MisEReCwVLP50w1+xoK1qzmh54RUnLuJUCNUeoHM2Z4j 6QDHO7zCvY0xkkOaY8O8QuCYnbyjUboEIRWi0Hv4wXOcABU3JdpbgqThBUVjWY9MaOwZja9eu EB5/bfTJxwx8OqjdNdJFTNwGCEwyOiyk9Qtcw9bMEPTJwDzUuaN3b/Ft8jdbg04ZqTur05Q1e rOHEpHwr8sOyzwGJNFMFXIgg8oZM1lWnv91iO3A6tGlTkg+sV0twP0Van3tIHHFpDoywVu1as BGAcOHiWg8IE7Dc2CpcFZI/44gFnx0aeiaH5g8gq12JLn/GJhjdY51SVuOSlfgu4j2Uxd/CT1 wMTChPE8lu+LKRTbvLmn9Br6FV6hVf96r1JVKv1aUnFxnK3MpxYKnJcNW5SJ+egmlHd7lgxXV Pwx+4NIFAQKSYTVnvhH5gcoHoCGrXaqiNiCNF9ItF6So2Z3ya3SG9NSanp4hfKVv4X51WQ4ad MSxFTEMwlfHH1bcqIxwVheUMMrElp80kEfaPha29sLlu7roEH4F9Jp42ys+bjAJKxn5nZa0EO koAW0bNhATb5M4GvI1X5KJzNAMcwhI9ScPPgefJCB4h6MPtt8PD20P3jWZ15y/+LxkRD0/Txq Y36Mf9Nh7XLrd99GrCRkv7VJNJCppEJ+QewQROlNnOiVmKDDmC48wW8M/zHXsJli/h9XwUQrV /lnZP2gLN7afLlFZaeSHaVxt/d5lEp0JQGv4w+K7QUmMGt70oH1K/AGQMF1xJ/pZtUlro2/cT U7sLDfi0nJkmDZ62jiDhrZMVQyWvZSEPvJeKE5nWVS+woUzsQDCzDBTgBXleVX1W3lmAemwnF LpJ1WOErVhQieL+zKAjGv7vDcvDO+DeFPTEqGilX2YV8wwc6BYvlNEj4N+NV3Xo4r6P8M= Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org From: Armin Wolf Move Variables into a driver private data structure. Signed-off-by: Armin Wolf =2D-- drivers/hwmon/dell-smm-hwmon.c | 277 ++++++++++++++++++--------------- 1 file changed, 152 insertions(+), 125 deletions(-) diff --git a/drivers/hwmon/dell-smm-hwmon.c b/drivers/hwmon/dell-smm-hwmon= .c index ed2c42badf1a..420fdd2de2fb 100644 =2D-- a/drivers/hwmon/dell-smm-hwmon.c +++ b/drivers/hwmon/dell-smm-hwmon.c @@ -60,18 +60,20 @@ #define I8K_POWER_AC 0x05 #define I8K_POWER_BATTERY 0x01 -static DEFINE_MUTEX(i8k_mutex); -static char bios_version[4]; -static char bios_machineid[16]; -static struct device *i8k_hwmon_dev; -static u32 i8k_hwmon_flags; -static uint i8k_fan_mult =3D I8K_FAN_MULT; -static uint i8k_pwm_mult; -static uint i8k_fan_max =3D I8K_FAN_HIGH; -static bool disallow_fan_type_call; -static bool disallow_fan_support; -static unsigned int manual_fan; -static unsigned int auto_fan; +struct dell_smm_data { + struct mutex i8k_mutex; /* lock for sensors writes */ + char bios_version[4]; + char bios_machineid[16]; + u32 i8k_hwmon_flags; + uint i8k_fan_mult; + uint i8k_pwm_mult; + uint i8k_fan_max; + bool disallow_fan_type_call; + bool disallow_fan_support; + unsigned int manual_fan; + unsigned int auto_fan; + int types[3]; +}; #define I8K_HWMON_HAVE_TEMP1 (1 << 0) #define I8K_HWMON_HAVE_TEMP2 (1 << 1) @@ -240,11 +242,11 @@ static int i8k_smm(struct smm_regs *regs) /* * Read the fan status. */ -static int i8k_get_fan_status(int fan) +static int i8k_get_fan_status(const struct dell_smm_data *data, int fan) { struct smm_regs regs =3D { .eax =3D I8K_SMM_GET_FAN, }; - if (disallow_fan_support) + if (data->disallow_fan_support) return -EINVAL; regs.ebx =3D fan & 0xff; @@ -254,84 +256,82 @@ static int i8k_get_fan_status(int fan) /* * Read the fan speed in RPM. */ -static int i8k_get_fan_speed(int fan) +static int i8k_get_fan_speed(const struct dell_smm_data *data, int fan) { struct smm_regs regs =3D { .eax =3D I8K_SMM_GET_SPEED, }; - if (disallow_fan_support) + if (data->disallow_fan_support) return -EINVAL; regs.ebx =3D fan & 0xff; - return i8k_smm(®s) ? : (regs.eax & 0xffff) * i8k_fan_mult; + return i8k_smm(®s) ? : (regs.eax & 0xffff) * data->i8k_fan_mult; } /* * Read the fan type. */ -static int _i8k_get_fan_type(int fan) +static int _i8k_get_fan_type(struct dell_smm_data *data, int fan) { struct smm_regs regs =3D { .eax =3D I8K_SMM_GET_FAN_TYPE, }; - if (disallow_fan_support || disallow_fan_type_call) + if (data->disallow_fan_support || data->disallow_fan_type_call) return -EINVAL; regs.ebx =3D fan & 0xff; return i8k_smm(®s) ? : regs.eax & 0xff; } -static int i8k_get_fan_type(int fan) +static int i8k_get_fan_type(struct dell_smm_data *data, int fan) { /* I8K_SMM_GET_FAN_TYPE SMM call is expensive, so cache values */ - static int types[3] =3D { INT_MIN, INT_MIN, INT_MIN }; + if (data->types[fan] =3D=3D INT_MIN) + data->types[fan] =3D _i8k_get_fan_type(data, fan); - if (types[fan] =3D=3D INT_MIN) - types[fan] =3D _i8k_get_fan_type(fan); - - return types[fan]; + return data->types[fan]; } /* * Read the fan nominal rpm for specific fan speed. */ -static int i8k_get_fan_nominal_speed(int fan, int speed) +static int i8k_get_fan_nominal_speed(const struct dell_smm_data *data, in= t fan, int speed) { struct smm_regs regs =3D { .eax =3D I8K_SMM_GET_NOM_SPEED, }; - if (disallow_fan_support) + if (data->disallow_fan_support) return -EINVAL; regs.ebx =3D (fan & 0xff) | (speed << 8); - return i8k_smm(®s) ? : (regs.eax & 0xffff) * i8k_fan_mult; + return i8k_smm(®s) ? : (regs.eax & 0xffff) * data->i8k_fan_mult; } /* * Enable or disable automatic BIOS fan control support */ -static int i8k_enable_fan_auto_mode(bool enable) +static int i8k_enable_fan_auto_mode(const struct dell_smm_data *data, boo= l enable) { struct smm_regs regs =3D { }; - if (disallow_fan_support) + if (data->disallow_fan_support) return -EINVAL; - regs.eax =3D enable ? auto_fan : manual_fan; + regs.eax =3D enable ? data->auto_fan : data->manual_fan; return i8k_smm(®s); } /* * Set the fan speed (off, low, high). Returns the new fan status. */ -static int i8k_set_fan(int fan, int speed) +static int i8k_set_fan(const struct dell_smm_data *data, int fan, int spe= ed) { struct smm_regs regs =3D { .eax =3D I8K_SMM_SET_FAN, }; - if (disallow_fan_support) + if (data->disallow_fan_support) return -EINVAL; - speed =3D (speed < 0) ? 0 : ((speed > i8k_fan_max) ? i8k_fan_max : speed= ); + speed =3D (speed < 0) ? 0 : ((speed > data->i8k_fan_max) ? data->i8k_fan= _max : speed); regs.ebx =3D (fan & 0xff) | (speed << 8); - return i8k_smm(®s) ? : i8k_get_fan_status(fan); + return i8k_smm(®s) ? : i8k_get_fan_status(data, fan); } static int i8k_get_temp_type(int sensor) @@ -442,7 +442,7 @@ static int i8k_get_power_status(void) */ static int -i8k_ioctl_unlocked(struct file *fp, unsigned int cmd, unsigned long arg) +i8k_ioctl_unlocked(struct file *fp, struct dell_smm_data *data, unsigned = int cmd, unsigned long arg) { int val =3D 0; int speed; @@ -454,12 +454,12 @@ i8k_ioctl_unlocked(struct file *fp, unsigned int cmd= , unsigned long arg) switch (cmd) { case I8K_BIOS_VERSION: - if (!isdigit(bios_version[0]) || !isdigit(bios_version[1]) || - !isdigit(bios_version[2])) + if (!isdigit(data->bios_version[0]) || !isdigit(data->bios_version[1]) = || + !isdigit(data->bios_version[2])) return -EINVAL; - val =3D (bios_version[0] << 16) | - (bios_version[1] << 8) | bios_version[2]; + val =3D (data->bios_version[0] << 16) | + (data->bios_version[1] << 8) | data->bios_version[2]; break; case I8K_MACHINE_ID: @@ -467,7 +467,7 @@ i8k_ioctl_unlocked(struct file *fp, unsigned int cmd, = unsigned long arg) return -EPERM; memset(buff, 0, sizeof(buff)); - strlcpy(buff, bios_machineid, sizeof(buff)); + strscpy(buff, data->bios_machineid, sizeof(buff)); break; case I8K_FN_STATUS: @@ -486,14 +486,14 @@ i8k_ioctl_unlocked(struct file *fp, unsigned int cmd= , unsigned long arg) if (copy_from_user(&val, argp, sizeof(int))) return -EFAULT; - val =3D i8k_get_fan_speed(val); + val =3D i8k_get_fan_speed(data, val); break; case I8K_GET_FAN: if (copy_from_user(&val, argp, sizeof(int))) return -EFAULT; - val =3D i8k_get_fan_status(val); + val =3D i8k_get_fan_status(data, val); break; case I8K_SET_FAN: @@ -506,7 +506,7 @@ i8k_ioctl_unlocked(struct file *fp, unsigned int cmd, = unsigned long arg) if (copy_from_user(&speed, argp + 1, sizeof(int))) return -EFAULT; - val =3D i8k_set_fan(val, speed); + val =3D i8k_set_fan(data, val, speed); break; default: @@ -539,11 +539,12 @@ i8k_ioctl_unlocked(struct file *fp, unsigned int cmd= , unsigned long arg) static long i8k_ioctl(struct file *fp, unsigned int cmd, unsigned long ar= g) { + struct dell_smm_data *data =3D PDE_DATA(file_inode(fp)); long ret; - mutex_lock(&i8k_mutex); - ret =3D i8k_ioctl_unlocked(fp, cmd, arg); - mutex_unlock(&i8k_mutex); + mutex_lock(&data->i8k_mutex); + ret =3D i8k_ioctl_unlocked(fp, data, cmd, arg); + mutex_unlock(&data->i8k_mutex); return ret; } @@ -553,17 +554,18 @@ static long i8k_ioctl(struct file *fp, unsigned int = cmd, unsigned long arg) */ static int i8k_proc_show(struct seq_file *seq, void *offset) { + struct dell_smm_data *data =3D seq->private; int fn_key, cpu_temp, ac_power; int left_fan, right_fan, left_speed, right_speed; - cpu_temp =3D i8k_get_temp(0); /* 11100 =C2=B5s */ - left_fan =3D i8k_get_fan_status(I8K_FAN_LEFT); /* 580 =C2=B5s */ - right_fan =3D i8k_get_fan_status(I8K_FAN_RIGHT); /* 580 =C2=B5s */ - left_speed =3D i8k_get_fan_speed(I8K_FAN_LEFT); /* 580 =C2=B5s */ - right_speed =3D i8k_get_fan_speed(I8K_FAN_RIGHT); /* 580 =C2=B5s */ - fn_key =3D i8k_get_fn_status(); /* 750 =C2=B5s */ + cpu_temp =3D i8k_get_temp(0); /* 11100 =C2=B5s */ + left_fan =3D i8k_get_fan_status(data, I8K_FAN_LEFT); /* 580 =C2=B5s */ + right_fan =3D i8k_get_fan_status(data, I8K_FAN_RIGHT); /* 580 =C2=B5s = */ + left_speed =3D i8k_get_fan_speed(data, I8K_FAN_LEFT); /* 580 =C2=B5s *= / + right_speed =3D i8k_get_fan_speed(data, I8K_FAN_RIGHT); /* 580 =C2=B5s= */ + fn_key =3D i8k_get_fn_status(); /* 750 =C2=B5s */ if (power_status) - ac_power =3D i8k_get_power_status(); /* 14700 =C2=B5s */ + ac_power =3D i8k_get_power_status(); /* 14700 =C2=B5s */ else ac_power =3D -1; @@ -583,8 +585,8 @@ static int i8k_proc_show(struct seq_file *seq, void *o= ffset) */ seq_printf(seq, "%s %s %s %d %d %d %d %d %d %d\n", I8K_PROC_FMT, - bios_version, - (restricted && !capable(CAP_SYS_ADMIN)) ? "-1" : bios_machineid, + data->bios_version, + (restricted && !capable(CAP_SYS_ADMIN)) ? "-1" : data->bios_machinei= d, cpu_temp, left_fan, right_fan, left_speed, right_speed, ac_power, fn_key); @@ -594,7 +596,7 @@ static int i8k_proc_show(struct seq_file *seq, void *o= ffset) static int i8k_open_fs(struct inode *inode, struct file *file) { - return single_open(file, i8k_proc_show, NULL); + return single_open(file, i8k_proc_show, PDE_DATA(inode)); } static const struct proc_ops i8k_proc_ops =3D { @@ -612,8 +614,10 @@ static void i8k_exit_procfs(void *param) static void __init i8k_init_procfs(struct device *dev) { + struct dell_smm_data *data =3D dev_get_drvdata(dev); + /* Register the proc entry */ - proc_create("i8k", 0, NULL, &i8k_proc_ops); + proc_create_data("i8k", 0, NULL, &i8k_proc_ops, data); devm_add_action_or_reset(dev, i8k_exit_procfs, NULL); } @@ -670,6 +674,7 @@ static ssize_t i8k_hwmon_fan_label_show(struct device = *dev, struct device_attribute *devattr, char *buf) { + struct dell_smm_data *data =3D dev_get_drvdata(dev); static const char * const labels[] =3D { "Processor Fan", "Motherboard Fan", @@ -682,7 +687,7 @@ static ssize_t i8k_hwmon_fan_label_show(struct device = *dev, bool dock =3D false; int type; - type =3D i8k_get_fan_type(index); + type =3D i8k_get_fan_type(data, index); if (type < 0) return type; @@ -700,10 +705,11 @@ static ssize_t i8k_hwmon_fan_label_show(struct devic= e *dev, static ssize_t i8k_hwmon_fan_show(struct device *dev, struct device_attribute *devattr, char *buf) { + struct dell_smm_data *data =3D dev_get_drvdata(dev); int index =3D to_sensor_dev_attr(devattr)->index; int fan_speed; - fan_speed =3D i8k_get_fan_speed(index); + fan_speed =3D i8k_get_fan_speed(data, index); if (fan_speed < 0) return fan_speed; return sprintf(buf, "%d\n", fan_speed); @@ -712,19 +718,21 @@ static ssize_t i8k_hwmon_fan_show(struct device *dev= , static ssize_t i8k_hwmon_pwm_show(struct device *dev, struct device_attribute *devattr, char *buf) { + struct dell_smm_data *data =3D dev_get_drvdata(dev); int index =3D to_sensor_dev_attr(devattr)->index; int status; - status =3D i8k_get_fan_status(index); + status =3D i8k_get_fan_status(data, index); if (status < 0) return -EIO; - return sprintf(buf, "%d\n", clamp_val(status * i8k_pwm_mult, 0, 255)); + return sprintf(buf, "%d\n", clamp_val(status * data->i8k_pwm_mult, 0, 25= 5)); } static ssize_t i8k_hwmon_pwm_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { + struct dell_smm_data *data =3D dev_get_drvdata(dev); int index =3D to_sensor_dev_attr(attr)->index; unsigned long val; int err; @@ -732,11 +740,11 @@ static ssize_t i8k_hwmon_pwm_store(struct device *de= v, err =3D kstrtoul(buf, 10, &val); if (err) return err; - val =3D clamp_val(DIV_ROUND_CLOSEST(val, i8k_pwm_mult), 0, i8k_fan_max); + val =3D clamp_val(DIV_ROUND_CLOSEST(val, data->i8k_pwm_mult), 0, data->i= 8k_fan_max); - mutex_lock(&i8k_mutex); - err =3D i8k_set_fan(index, val); - mutex_unlock(&i8k_mutex); + mutex_lock(&data->i8k_mutex); + err =3D i8k_set_fan(data, index, val); + mutex_unlock(&data->i8k_mutex); return err < 0 ? -EIO : count; } @@ -745,11 +753,12 @@ static ssize_t i8k_hwmon_pwm_enable_store(struct dev= ice *dev, struct device_attribute *attr, const char *buf, size_t count) { + struct dell_smm_data *data =3D dev_get_drvdata(dev); int err; bool enable; unsigned long val; - if (!auto_fan) + if (!data->auto_fan) return -ENODEV; err =3D kstrtoul(buf, 10, &val); @@ -763,9 +772,9 @@ static ssize_t i8k_hwmon_pwm_enable_store(struct devic= e *dev, else return -EINVAL; - mutex_lock(&i8k_mutex); - err =3D i8k_enable_fan_auto_mode(enable); - mutex_unlock(&i8k_mutex); + mutex_lock(&data->i8k_mutex); + err =3D i8k_enable_fan_auto_mode(data, enable); + mutex_unlock(&data->i8k_mutex); return err ? err : count; } @@ -838,53 +847,56 @@ static struct attribute *i8k_attrs[] =3D { static umode_t i8k_is_visible(struct kobject *kobj, struct attribute *att= r, int index) { - if (disallow_fan_support && index >=3D 20) + struct device *dev =3D kobj_to_dev(kobj); + struct dell_smm_data *data =3D dev_get_drvdata(dev); + + if (data->disallow_fan_support && index >=3D 20) return 0; - if (disallow_fan_type_call && + if (data->disallow_fan_type_call && (index =3D=3D 21 || index =3D=3D 25 || index =3D=3D 28)) return 0; if (index >=3D 0 && index <=3D 1 && - !(i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP1)) + !(data->i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP1)) return 0; if (index >=3D 2 && index <=3D 3 && - !(i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP2)) + !(data->i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP2)) return 0; if (index >=3D 4 && index <=3D 5 && - !(i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP3)) + !(data->i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP3)) return 0; if (index >=3D 6 && index <=3D 7 && - !(i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP4)) + !(data->i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP4)) return 0; if (index >=3D 8 && index <=3D 9 && - !(i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP5)) + !(data->i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP5)) return 0; if (index >=3D 10 && index <=3D 11 && - !(i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP6)) + !(data->i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP6)) return 0; if (index >=3D 12 && index <=3D 13 && - !(i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP7)) + !(data->i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP7)) return 0; if (index >=3D 14 && index <=3D 15 && - !(i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP8)) + !(data->i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP8)) return 0; if (index >=3D 16 && index <=3D 17 && - !(i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP9)) + !(data->i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP9)) return 0; if (index >=3D 18 && index <=3D 19 && - !(i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP10)) + !(data->i8k_hwmon_flags & I8K_HWMON_HAVE_TEMP10)) return 0; if (index >=3D 20 && index <=3D 23 && - !(i8k_hwmon_flags & I8K_HWMON_HAVE_FAN1)) + !(data->i8k_hwmon_flags & I8K_HWMON_HAVE_FAN1)) return 0; if (index >=3D 24 && index <=3D 26 && - !(i8k_hwmon_flags & I8K_HWMON_HAVE_FAN2)) + !(data->i8k_hwmon_flags & I8K_HWMON_HAVE_FAN2)) return 0; if (index >=3D 27 && index <=3D 29 && - !(i8k_hwmon_flags & I8K_HWMON_HAVE_FAN3)) + !(data->i8k_hwmon_flags & I8K_HWMON_HAVE_FAN3)) return 0; - if (index =3D=3D 23 && !auto_fan) + if (index =3D=3D 23 && !data->auto_fan) return 0; return attr->mode; @@ -898,65 +910,65 @@ __ATTRIBUTE_GROUPS(i8k); static int __init dell_smm_init_hwmon(struct device *dev) { + struct dell_smm_data *data =3D dev_get_drvdata(dev); + struct device *i8k_hwmon_dev; int err; - i8k_hwmon_flags =3D 0; - /* CPU temperature attributes, if temperature type is OK */ err =3D i8k_get_temp_type(0); if (err >=3D 0) - i8k_hwmon_flags |=3D I8K_HWMON_HAVE_TEMP1; + data->i8k_hwmon_flags |=3D I8K_HWMON_HAVE_TEMP1; /* check for additional temperature sensors */ err =3D i8k_get_temp_type(1); if (err >=3D 0) - i8k_hwmon_flags |=3D I8K_HWMON_HAVE_TEMP2; + data->i8k_hwmon_flags |=3D I8K_HWMON_HAVE_TEMP2; err =3D i8k_get_temp_type(2); if (err >=3D 0) - i8k_hwmon_flags |=3D I8K_HWMON_HAVE_TEMP3; + data->i8k_hwmon_flags |=3D I8K_HWMON_HAVE_TEMP3; err =3D i8k_get_temp_type(3); if (err >=3D 0) - i8k_hwmon_flags |=3D I8K_HWMON_HAVE_TEMP4; + data->i8k_hwmon_flags |=3D I8K_HWMON_HAVE_TEMP4; err =3D i8k_get_temp_type(4); if (err >=3D 0) - i8k_hwmon_flags |=3D I8K_HWMON_HAVE_TEMP5; + data->i8k_hwmon_flags |=3D I8K_HWMON_HAVE_TEMP5; err =3D i8k_get_temp_type(5); if (err >=3D 0) - i8k_hwmon_flags |=3D I8K_HWMON_HAVE_TEMP6; + data->i8k_hwmon_flags |=3D I8K_HWMON_HAVE_TEMP6; err =3D i8k_get_temp_type(6); if (err >=3D 0) - i8k_hwmon_flags |=3D I8K_HWMON_HAVE_TEMP7; + data->i8k_hwmon_flags |=3D I8K_HWMON_HAVE_TEMP7; err =3D i8k_get_temp_type(7); if (err >=3D 0) - i8k_hwmon_flags |=3D I8K_HWMON_HAVE_TEMP8; + data->i8k_hwmon_flags |=3D I8K_HWMON_HAVE_TEMP8; err =3D i8k_get_temp_type(8); if (err >=3D 0) - i8k_hwmon_flags |=3D I8K_HWMON_HAVE_TEMP9; + data->i8k_hwmon_flags |=3D I8K_HWMON_HAVE_TEMP9; err =3D i8k_get_temp_type(9); if (err >=3D 0) - i8k_hwmon_flags |=3D I8K_HWMON_HAVE_TEMP10; + data->i8k_hwmon_flags |=3D I8K_HWMON_HAVE_TEMP10; /* First fan attributes, if fan status or type is OK */ - err =3D i8k_get_fan_status(0); + err =3D i8k_get_fan_status(data, 0); if (err < 0) - err =3D i8k_get_fan_type(0); + err =3D i8k_get_fan_type(data, 0); if (err >=3D 0) - i8k_hwmon_flags |=3D I8K_HWMON_HAVE_FAN1; + data->i8k_hwmon_flags |=3D I8K_HWMON_HAVE_FAN1; /* Second fan attributes, if fan status or type is OK */ - err =3D i8k_get_fan_status(1); + err =3D i8k_get_fan_status(data, 1); if (err < 0) - err =3D i8k_get_fan_type(1); + err =3D i8k_get_fan_type(data, 1); if (err >=3D 0) - i8k_hwmon_flags |=3D I8K_HWMON_HAVE_FAN2; + data->i8k_hwmon_flags |=3D I8K_HWMON_HAVE_FAN2; /* Third fan attributes, if fan status or type is OK */ - err =3D i8k_get_fan_status(2); + err =3D i8k_get_fan_status(data, 2); if (err < 0) - err =3D i8k_get_fan_type(2); + err =3D i8k_get_fan_type(data, 2); if (err >=3D 0) - i8k_hwmon_flags |=3D I8K_HWMON_HAVE_FAN3; + data->i8k_hwmon_flags |=3D I8K_HWMON_HAVE_FAN3; - i8k_hwmon_dev =3D devm_hwmon_device_register_with_groups(dev, "dell_smm"= , NULL, i8k_groups); + i8k_hwmon_dev =3D devm_hwmon_device_register_with_groups(dev, "dell_smm"= , data, i8k_groups); return PTR_ERR_OR_ZERO(i8k_hwmon_dev); } @@ -1217,25 +1229,38 @@ static struct dmi_system_id i8k_whitelist_fan_cont= rol[] __initdata =3D { static int __init dell_smm_probe(struct platform_device *pdev) { + struct dell_smm_data *data; const struct dmi_system_id *id, *fan_control; int fan, ret; + data =3D devm_kzalloc(&pdev->dev, sizeof(struct dell_smm_data), GFP_KERN= EL); + if (!data) + return -ENOMEM; + + mutex_init(&data->i8k_mutex); + data->i8k_fan_mult =3D I8K_FAN_MULT; + data->i8k_fan_max =3D I8K_FAN_HIGH; + data->types[0] =3D INT_MIN; + data->types[1] =3D INT_MIN; + data->types[2] =3D INT_MIN; + platform_set_drvdata(pdev, data); + if (dmi_check_system(i8k_blacklist_fan_support_dmi_table)) { - pr_warn("broken Dell BIOS detected, disallow fan support\n"); + dev_warn(&pdev->dev, "broken Dell BIOS detected, disallow fan support\n= "); if (!force) - disallow_fan_support =3D true; + data->disallow_fan_support =3D true; } if (dmi_check_system(i8k_blacklist_fan_type_dmi_table)) { - pr_warn("broken Dell BIOS detected, disallow fan type call\n"); + dev_warn(&pdev->dev, "broken Dell BIOS detected, disallow fan type call= \n"); if (!force) - disallow_fan_type_call =3D true; + data->disallow_fan_type_call =3D true; } - strscpy(bios_version, i8k_get_dmi_data(DMI_BIOS_VERSION), - sizeof(bios_version)); - strscpy(bios_machineid, i8k_get_dmi_data(DMI_PRODUCT_SERIAL), - sizeof(bios_machineid)); + strscpy(data->bios_version, i8k_get_dmi_data(DMI_BIOS_VERSION), + sizeof(data->bios_version)); + strscpy(data->bios_machineid, i8k_get_dmi_data(DMI_PRODUCT_SERIAL), + sizeof(data->bios_machineid)); /* * Set fan multiplier and maximal fan speed from dmi config @@ -1247,20 +1272,21 @@ static int __init dell_smm_probe(struct platform_d= evice *pdev) if (!fan_mult && conf->fan_mult) fan_mult =3D conf->fan_mult; + if (!fan_max && conf->fan_max) fan_max =3D conf->fan_max; } - i8k_fan_max =3D fan_max ? : I8K_FAN_HIGH; /* Must not be 0 */ - i8k_pwm_mult =3D DIV_ROUND_UP(255, i8k_fan_max); + data->i8k_fan_max =3D fan_max ? : I8K_FAN_HIGH; /* Must not be 0 */ + data->i8k_pwm_mult =3D DIV_ROUND_UP(255, data->i8k_fan_max); fan_control =3D dmi_first_match(i8k_whitelist_fan_control); if (fan_control && fan_control->driver_data) { - const struct i8k_fan_control_data *data =3D fan_control->driver_data; + const struct i8k_fan_control_data *control =3D fan_control->driver_data= ; - manual_fan =3D data->manual_fan; - auto_fan =3D data->auto_fan; - pr_info("enabling support for setting automatic/manual fan control\n"); + data->manual_fan =3D control->manual_fan; + data->auto_fan =3D control->auto_fan; + dev_info(&pdev->dev, "enabling support for setting automatic/manual fan= control\n"); } if (!fan_mult) { @@ -1269,16 +1295,17 @@ static int __init dell_smm_probe(struct platform_d= evice *pdev) * If fan reports rpm value too high then set multiplier to 1 */ for (fan =3D 0; fan < 2; ++fan) { - ret =3D i8k_get_fan_nominal_speed(fan, i8k_fan_max); + ret =3D i8k_get_fan_nominal_speed(data, fan, data->i8k_fan_max); if (ret < 0) continue; + if (ret > I8K_FAN_MAX_RPM) - i8k_fan_mult =3D 1; + data->i8k_fan_mult =3D 1; break; } } else { /* Fan multiplier was specified in module param or in dmi */ - i8k_fan_mult =3D fan_mult; + data->i8k_fan_mult =3D fan_mult; } ret =3D dell_smm_init_hwmon(&pdev->dev); =2D- 2.20.1