diff options
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/ipmi/kcs_bmc.c | 70 | ||||
| -rw-r--r-- | drivers/char/ipmi/kcs_bmc.h | 83 | ||||
| -rw-r--r-- | drivers/char/ipmi/kcs_bmc_aspeed.c | 22 | ||||
| -rw-r--r-- | drivers/char/ipmi/kcs_bmc_cdev_ipmi.c | 428 | ||||
| -rw-r--r-- | drivers/char/ipmi/kcs_bmc_client.h | 24 | ||||
| -rw-r--r-- | drivers/char/ipmi/kcs_bmc_device.h | 14 | ||||
| -rw-r--r-- | drivers/char/ipmi/kcs_bmc_npcm7xx.c | 20 |
7 files changed, 367 insertions, 294 deletions
diff --git a/drivers/char/ipmi/kcs_bmc.c b/drivers/char/ipmi/kcs_bmc.c index c347cf6f9337..2ec934f0dba3 100644 --- a/drivers/char/ipmi/kcs_bmc.c +++ b/drivers/char/ipmi/kcs_bmc.c @@ -4,6 +4,7 @@ * Copyright (c) 2021, IBM Corp. */ +#include <linux/device.h> #include <linux/module.h> #include "kcs_bmc.h" @@ -14,51 +15,98 @@ /* Consumer data access */ -u8 kcs_bmc_read_data(struct kcs_bmc *kcs_bmc) +u8 kcs_bmc_read_data(struct kcs_bmc_device *kcs_bmc) { return kcs_bmc->ops->io_inputb(kcs_bmc, kcs_bmc->ioreg.idr); } EXPORT_SYMBOL(kcs_bmc_read_data); -void kcs_bmc_write_data(struct kcs_bmc *kcs_bmc, u8 data) +void kcs_bmc_write_data(struct kcs_bmc_device *kcs_bmc, u8 data) { kcs_bmc->ops->io_outputb(kcs_bmc, kcs_bmc->ioreg.odr, data); } EXPORT_SYMBOL(kcs_bmc_write_data); -u8 kcs_bmc_read_status(struct kcs_bmc *kcs_bmc) +u8 kcs_bmc_read_status(struct kcs_bmc_device *kcs_bmc) { return kcs_bmc->ops->io_inputb(kcs_bmc, kcs_bmc->ioreg.str); } EXPORT_SYMBOL(kcs_bmc_read_status); -void kcs_bmc_write_status(struct kcs_bmc *kcs_bmc, u8 data) +void kcs_bmc_write_status(struct kcs_bmc_device *kcs_bmc, u8 data) { kcs_bmc->ops->io_outputb(kcs_bmc, kcs_bmc->ioreg.str, data); } EXPORT_SYMBOL(kcs_bmc_write_status); -void kcs_bmc_update_status(struct kcs_bmc *kcs_bmc, u8 mask, u8 val) +void kcs_bmc_update_status(struct kcs_bmc_device *kcs_bmc, u8 mask, u8 val) { kcs_bmc->ops->io_updateb(kcs_bmc, kcs_bmc->ioreg.str, mask, val); } EXPORT_SYMBOL(kcs_bmc_update_status); -irqreturn_t kcs_bmc_handle_event(struct kcs_bmc *kcs_bmc) +irqreturn_t kcs_bmc_handle_event(struct kcs_bmc_device *kcs_bmc) { - return kcs_bmc->client.ops->event(&kcs_bmc->client); + struct kcs_bmc_client *client; + irqreturn_t rc; + + spin_lock(&kcs_bmc->lock); + client = kcs_bmc->client; + if (client) { + rc = client->ops->event(client); + } else { + u8 status; + + status = kcs_bmc_read_status(kcs_bmc); + if (status & KCS_BMC_STR_IBF) { + /* Ack the event by reading the data */ + kcs_bmc_read_data(kcs_bmc); + rc = IRQ_HANDLED; + } else { + rc = IRQ_NONE; + } + } + spin_unlock(&kcs_bmc->lock); + + return rc; } EXPORT_SYMBOL(kcs_bmc_handle_event); -int kcs_bmc_ipmi_add_device(struct kcs_bmc *kcs_bmc); -int kcs_bmc_add_device(struct kcs_bmc *kcs_bmc) +int kcs_bmc_enable_device(struct kcs_bmc_device *kcs_bmc, struct kcs_bmc_client *client) +{ + int rc; + + spin_lock_irq(&kcs_bmc->lock); + if (kcs_bmc->client) { + rc = -EBUSY; + } else { + kcs_bmc->client = client; + rc = 0; + } + spin_unlock_irq(&kcs_bmc->lock); + + return rc; +} +EXPORT_SYMBOL(kcs_bmc_enable_device); + +void kcs_bmc_disable_device(struct kcs_bmc_device *kcs_bmc, struct kcs_bmc_client *client) +{ + spin_lock_irq(&kcs_bmc->lock); + if (client == kcs_bmc->client) + kcs_bmc->client = NULL; + spin_unlock_irq(&kcs_bmc->lock); +} +EXPORT_SYMBOL(kcs_bmc_disable_device); + +int kcs_bmc_ipmi_add_device(struct kcs_bmc_device *kcs_bmc); +int kcs_bmc_add_device(struct kcs_bmc_device *kcs_bmc) { return kcs_bmc_ipmi_add_device(kcs_bmc); } EXPORT_SYMBOL(kcs_bmc_add_device); -int kcs_bmc_ipmi_remove_device(struct kcs_bmc *kcs_bmc); -void kcs_bmc_remove_device(struct kcs_bmc *kcs_bmc) +int kcs_bmc_ipmi_remove_device(struct kcs_bmc_device *kcs_bmc); +void kcs_bmc_remove_device(struct kcs_bmc_device *kcs_bmc) { if (kcs_bmc_ipmi_remove_device(kcs_bmc)) pr_warn("Failed to remove device for KCS channel %d\n", diff --git a/drivers/char/ipmi/kcs_bmc.h b/drivers/char/ipmi/kcs_bmc.h index f42843d240ed..3f0cce315b4f 100644 --- a/drivers/char/ipmi/kcs_bmc.h +++ b/drivers/char/ipmi/kcs_bmc.h @@ -6,61 +6,12 @@ #ifndef __KCS_BMC_H__ #define __KCS_BMC_H__ -#include <linux/miscdevice.h> - -#include "kcs_bmc_client.h" +#include <linux/list.h> #define KCS_BMC_STR_OBF BIT(0) #define KCS_BMC_STR_IBF BIT(1) #define KCS_BMC_STR_CMD_DAT BIT(3) -/* Different phases of the KCS BMC module. - * KCS_PHASE_IDLE: - * BMC should not be expecting nor sending any data. - * KCS_PHASE_WRITE_START: - * BMC is receiving a WRITE_START command from system software. - * KCS_PHASE_WRITE_DATA: - * BMC is receiving a data byte from system software. - * KCS_PHASE_WRITE_END_CMD: - * BMC is waiting a last data byte from system software. - * KCS_PHASE_WRITE_DONE: - * BMC has received the whole request from system software. - * KCS_PHASE_WAIT_READ: - * BMC is waiting the response from the upper IPMI service. - * KCS_PHASE_READ: - * BMC is transferring the response to system software. - * KCS_PHASE_ABORT_ERROR1: - * BMC is waiting error status request from system software. - * KCS_PHASE_ABORT_ERROR2: - * BMC is waiting for idle status afer error from system software. - * KCS_PHASE_ERROR: - * BMC has detected a protocol violation at the interface level. - */ -enum kcs_phases { - KCS_PHASE_IDLE, - - KCS_PHASE_WRITE_START, - KCS_PHASE_WRITE_DATA, - KCS_PHASE_WRITE_END_CMD, - KCS_PHASE_WRITE_DONE, - - KCS_PHASE_WAIT_READ, - KCS_PHASE_READ, - - KCS_PHASE_ABORT_ERROR1, - KCS_PHASE_ABORT_ERROR2, - KCS_PHASE_ERROR -}; - -/* IPMI 2.0 - Table 9-4, KCS Interface Status Codes */ -enum kcs_errors { - KCS_NO_ERROR = 0x00, - KCS_ABORTED_BY_COMMAND = 0x01, - KCS_ILLEGAL_CONTROL_CODE = 0x02, - KCS_LENGTH_ERROR = 0x06, - KCS_UNSPECIFIED_ERROR = 0xFF -}; - /* IPMI 2.0 - 9.5, KCS Interface Registers * @idr: Input Data Register * @odr: Output Data Register @@ -73,36 +24,20 @@ struct kcs_ioreg { }; struct kcs_bmc_device_ops; +struct kcs_bmc_client; -struct kcs_bmc { - struct device *dev; - - const struct kcs_bmc_device_ops *ops; - - struct kcs_bmc_client client; - - spinlock_t lock; +struct kcs_bmc_device { + struct list_head entry; + struct device *dev; u32 channel; - int running; struct kcs_ioreg ioreg; - enum kcs_phases phase; - enum kcs_errors error; - - wait_queue_head_t queue; - bool data_in_avail; - int data_in_idx; - u8 *data_in; - - int data_out_idx; - int data_out_len; - u8 *data_out; - - struct mutex mutex; - u8 *kbuffer; + const struct kcs_bmc_device_ops *ops; - struct miscdevice miscdev; + spinlock_t lock; + struct kcs_bmc_client *client; }; + #endif /* __KCS_BMC_H__ */ diff --git a/drivers/char/ipmi/kcs_bmc_aspeed.c b/drivers/char/ipmi/kcs_bmc_aspeed.c index fdfba745302a..08d4290464d8 100644 --- a/drivers/char/ipmi/kcs_bmc_aspeed.c +++ b/drivers/char/ipmi/kcs_bmc_aspeed.c @@ -61,7 +61,7 @@ #define LPC_STR4 0x11C struct aspeed_kcs_bmc { - struct kcs_bmc kcs_bmc; + struct kcs_bmc_device kcs_bmc; struct regmap *map; }; @@ -71,12 +71,12 @@ struct aspeed_kcs_of_ops { int (*get_io_address)(struct platform_device *pdev); }; -static inline struct aspeed_kcs_bmc *to_aspeed_kcs_bmc(struct kcs_bmc *kcs_bmc) +static inline struct aspeed_kcs_bmc *to_aspeed_kcs_bmc(struct kcs_bmc_device *kcs_bmc) { return container_of(kcs_bmc, struct aspeed_kcs_bmc, kcs_bmc); } -static u8 aspeed_kcs_inb(struct kcs_bmc *kcs_bmc, u32 reg) +static u8 aspeed_kcs_inb(struct kcs_bmc_device *kcs_bmc, u32 reg) { struct aspeed_kcs_bmc *priv = to_aspeed_kcs_bmc(kcs_bmc); u32 val = 0; @@ -88,7 +88,7 @@ static u8 aspeed_kcs_inb(struct kcs_bmc *kcs_bmc, u32 reg) return rc == 0 ? (u8) val : 0; } -static void aspeed_kcs_outb(struct kcs_bmc *kcs_bmc, u32 reg, u8 data) +static void aspeed_kcs_outb(struct kcs_bmc_device *kcs_bmc, u32 reg, u8 data) { struct aspeed_kcs_bmc *priv = to_aspeed_kcs_bmc(kcs_bmc); int rc; @@ -97,7 +97,7 @@ static void aspeed_kcs_outb(struct kcs_bmc *kcs_bmc, u32 reg, u8 data) WARN(rc != 0, "regmap_write() failed: %d\n", rc); } -static void aspeed_kcs_updateb(struct kcs_bmc *kcs_bmc, u32 reg, u8 mask, u8 val) +static void aspeed_kcs_updateb(struct kcs_bmc_device *kcs_bmc, u32 reg, u8 mask, u8 val) { struct aspeed_kcs_bmc *priv = to_aspeed_kcs_bmc(kcs_bmc); int rc; @@ -119,7 +119,7 @@ static void aspeed_kcs_updateb(struct kcs_bmc *kcs_bmc, u32 reg, u8 mask, u8 val * C. KCS4 * D / C : CA4h / CA5h */ -static void aspeed_kcs_set_address(struct kcs_bmc *kcs_bmc, u16 addr) +static void aspeed_kcs_set_address(struct kcs_bmc_device *kcs_bmc, u16 addr) { struct aspeed_kcs_bmc *priv = to_aspeed_kcs_bmc(kcs_bmc); @@ -153,7 +153,7 @@ static void aspeed_kcs_set_address(struct kcs_bmc *kcs_bmc, u16 addr) } } -static void aspeed_kcs_enable_channel(struct kcs_bmc *kcs_bmc, bool enable) +static void aspeed_kcs_enable_channel(struct kcs_bmc_device *kcs_bmc, bool enable) { struct aspeed_kcs_bmc *priv = to_aspeed_kcs_bmc(kcs_bmc); @@ -228,12 +228,12 @@ static const struct kcs_bmc_device_ops aspeed_kcs_ops = { static irqreturn_t aspeed_kcs_irq(int irq, void *arg) { - struct kcs_bmc *kcs_bmc = arg; + struct kcs_bmc_device *kcs_bmc = arg; return kcs_bmc_handle_event(kcs_bmc); } -static int aspeed_kcs_config_irq(struct kcs_bmc *kcs_bmc, +static int aspeed_kcs_config_irq(struct kcs_bmc_device *kcs_bmc, struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -335,8 +335,8 @@ static int aspeed_kcs_of_v2_get_io_address(struct platform_device *pdev) static int aspeed_kcs_probe(struct platform_device *pdev) { const struct aspeed_kcs_of_ops *ops; + struct kcs_bmc_device *kcs_bmc; struct aspeed_kcs_bmc *priv; - struct kcs_bmc *kcs_bmc; struct device_node *np; int rc, channel, addr; @@ -399,7 +399,7 @@ static int aspeed_kcs_probe(struct platform_device *pdev) static int aspeed_kcs_remove(struct platform_device *pdev) { struct aspeed_kcs_bmc *priv = platform_get_drvdata(pdev); - struct kcs_bmc *kcs_bmc = &priv->kcs_bmc; + struct kcs_bmc_device *kcs_bmc = &priv->kcs_bmc; kcs_bmc_remove_device(kcs_bmc); diff --git a/drivers/char/ipmi/kcs_bmc_cdev_ipmi.c b/drivers/char/ipmi/kcs_bmc_cdev_ipmi.c index 476ad6d541d5..865d8b93f3b7 100644 --- a/drivers/char/ipmi/kcs_bmc_cdev_ipmi.c +++ b/drivers/char/ipmi/kcs_bmc_cdev_ipmi.c @@ -8,13 +8,88 @@ #include <linux/errno.h> #include <linux/io.h> #include <linux/ipmi_bmc.h> +#include <linux/list.h> +#include <linux/miscdevice.h> #include <linux/module.h> +#include <linux/mutex.h> #include <linux/platform_device.h> #include <linux/poll.h> #include <linux/sched.h> #include <linux/slab.h> -#include "kcs_bmc.h" +#include "kcs_bmc_client.h" + +/* Different phases of the KCS BMC module. + * KCS_PHASE_IDLE: + * BMC should not be expecting nor sending any data. + * KCS_PHASE_WRITE_START: + * BMC is receiving a WRITE_START command from system software. + * KCS_PHASE_WRITE_DATA: + * BMC is receiving a data byte from system software. + * KCS_PHASE_WRITE_END_CMD: + * BMC is waiting a last data byte from system software. + * KCS_PHASE_WRITE_DONE: + * BMC has received the whole request from system software. + * KCS_PHASE_WAIT_READ: + * BMC is waiting the response from the upper IPMI service. + * KCS_PHASE_READ: + * BMC is transferring the response to system software. + * KCS_PHASE_ABORT_ERROR1: + * BMC is waiting error status request from system software. + * KCS_PHASE_ABORT_ERROR2: + * BMC is waiting for idle status afer error from system software. + * KCS_PHASE_ERROR: + * BMC has detected a protocol violation at the interface level. + */ +enum kcs_ipmi_phases { + KCS_PHASE_IDLE, + + KCS_PHASE_WRITE_START, + KCS_PHASE_WRITE_DATA, + KCS_PHASE_WRITE_END_CMD, + KCS_PHASE_WRITE_DONE, + + KCS_PHASE_WAIT_READ, + KCS_PHASE_READ, + + KCS_PHASE_ABORT_ERROR1, + KCS_PHASE_ABORT_ERROR2, + KCS_PHASE_ERROR +}; + +/* IPMI 2.0 - Table 9-4, KCS Interface Status Codes */ +enum kcs_ipmi_errors { + KCS_NO_ERROR = 0x00, + KCS_ABORTED_BY_COMMAND = 0x01, + KCS_ILLEGAL_CONTROL_CODE = 0x02, + KCS_LENGTH_ERROR = 0x06, + KCS_UNSPECIFIED_ERROR = 0xFF +}; + +struct kcs_bmc_ipmi { + struct list_head entry; + + struct kcs_bmc_client client; + + spinlock_t lock; + + enum kcs_ipmi_phases phase; + enum kcs_ipmi_errors error; + + wait_queue_head_t queue; + bool data_in_avail; + int data_in_idx; + u8 *data_in; + + int data_out_idx; + int data_out_len; + u8 *data_out; + + struct mutex mutex; + u8 *kbuffer; + + struct miscdevice miscdev; +}; #define DEVICE_NAME "ipmi-kcs" @@ -44,171 +119,169 @@ enum kcs_states { #define KCS_CMD_WRITE_END 0x62 #define KCS_CMD_READ_BYTE 0x68 -static inline void set_state(struct kcs_bmc *kcs_bmc, u8 state) +static inline void set_state(struct kcs_bmc_ipmi *priv, u8 state) { - kcs_bmc_update_status(kcs_bmc, KCS_STATUS_STATE_MASK, - KCS_STATUS_STATE(state)); + kcs_bmc_update_status(priv->client.dev, KCS_STATUS_STATE_MASK, KCS_STATUS_STATE(state)); } -static void kcs_bmc_ipmi_force_abort(struct kcs_bmc *kcs_bmc) +static void kcs_bmc_ipmi_force_abort(struct kcs_bmc_ipmi *priv) { - set_state(kcs_bmc, ERROR_STATE); - kcs_bmc_read_data(kcs_bmc); - kcs_bmc_write_data(kcs_bmc, KCS_ZERO_DATA); + set_state(priv, ERROR_STATE); + kcs_bmc_read_data(priv->client.dev); + kcs_bmc_write_data(priv->client.dev, KCS_ZERO_DATA); - kcs_bmc->phase = KCS_PHASE_ERROR; - kcs_bmc->data_in_avail = false; - kcs_bmc->data_in_idx = 0; + priv->phase = KCS_PHASE_ERROR; + priv->data_in_avail = false; + priv->data_in_idx = 0; } -static void kcs_bmc_ipmi_handle_data(struct kcs_bmc *kcs_bmc) +static void kcs_bmc_ipmi_handle_data(struct kcs_bmc_ipmi *priv) { + struct kcs_bmc_device *dev; u8 data; - switch (kcs_bmc->phase) { + dev = priv->client.dev; + + switch (priv->phase) { case KCS_PHASE_WRITE_START: - kcs_bmc->phase = KCS_PHASE_WRITE_DATA; + priv->phase = KCS_PHASE_WRITE_DATA; fallthrough; case KCS_PHASE_WRITE_DATA: - if (kcs_bmc->data_in_idx < KCS_MSG_BUFSIZ) { - set_state(kcs_bmc, WRITE_STATE); - kcs_bmc_write_data(kcs_bmc, KCS_ZERO_DATA); - kcs_bmc->data_in[kcs_bmc->data_in_idx++] = - kcs_bmc_read_data(kcs_bmc); + if (priv->data_in_idx < KCS_MSG_BUFSIZ) { + set_state(priv, WRITE_STATE); + kcs_bmc_write_data(dev, KCS_ZERO_DATA); + priv->data_in[priv->data_in_idx++] = kcs_bmc_read_data(dev); } else { - kcs_bmc_ipmi_force_abort(kcs_bmc); - kcs_bmc->error = KCS_LENGTH_ERROR; + kcs_bmc_ipmi_force_abort(priv); + priv->error = KCS_LENGTH_ERROR; } break; case KCS_PHASE_WRITE_END_CMD: - if (kcs_bmc->data_in_idx < KCS_MSG_BUFSIZ) { - set_state(kcs_bmc, READ_STATE); - kcs_bmc->data_in[kcs_bmc->data_in_idx++] = - kcs_bmc_read_data(kcs_bmc); - kcs_bmc->phase = KCS_PHASE_WRITE_DONE; - kcs_bmc->data_in_avail = true; - wake_up_interruptible(&kcs_bmc->queue); + if (priv->data_in_idx < KCS_MSG_BUFSIZ) { + set_state(priv, READ_STATE); + priv->data_in[priv->data_in_idx++] = kcs_bmc_read_data(dev); + priv->phase = KCS_PHASE_WRITE_DONE; + priv->data_in_avail = true; + wake_up_interruptible(&priv->queue); } else { - kcs_bmc_ipmi_force_abort(kcs_bmc); - kcs_bmc->error = KCS_LENGTH_ERROR; + kcs_bmc_ipmi_force_abort(priv); + priv->error = KCS_LENGTH_ERROR; } break; case KCS_PHASE_READ: - if (kcs_bmc->data_out_idx == kcs_bmc->data_out_len) - set_state(kcs_bmc, IDLE_STATE); + if (priv->data_out_idx == priv->data_out_len) + set_state(priv, IDLE_STATE); - data = kcs_bmc_read_data(kcs_bmc); + data = kcs_bmc_read_data(dev); if (data != KCS_CMD_READ_BYTE) { - set_state(kcs_bmc, ERROR_STATE); - kcs_bmc_write_data(kcs_bmc, KCS_ZERO_DATA); + set_state(priv, ERROR_STATE); + kcs_bmc_write_data(dev, KCS_ZERO_DATA); break; } - if (kcs_bmc->data_out_idx == kcs_bmc->data_out_len) { - kcs_bmc_write_data(kcs_bmc, KCS_ZERO_DATA); - kcs_bmc->phase = KCS_PHASE_IDLE; + if (priv->data_out_idx == priv->data_out_len) { + kcs_bmc_write_data(dev, KCS_ZERO_DATA); + priv->phase = KCS_PHASE_IDLE; break; } - kcs_bmc_write_data(kcs_bmc, - kcs_bmc->data_out[kcs_bmc->data_out_idx++]); + kcs_bmc_write_data(dev, priv->data_out[priv->data_out_idx++]); break; case KCS_PHASE_ABORT_ERROR1: - set_state(kcs_bmc, READ_STATE); - kcs_bmc_read_data(kcs_bmc); - kcs_bmc_write_data(kcs_bmc, kcs_bmc->error); - kcs_bmc->phase = KCS_PHASE_ABORT_ERROR2; + set_state(priv, READ_STATE); + kcs_bmc_read_data(dev); + kcs_bmc_write_data(dev, priv->error); + priv->phase = KCS_PHASE_ABORT_ERROR2; break; case KCS_PHASE_ABORT_ERROR2: - set_state(kcs_bmc, IDLE_STATE); - kcs_bmc_read_data(kcs_bmc); - kcs_bmc_write_data(kcs_bmc, KCS_ZERO_DATA); - kcs_bmc->phase = KCS_PHASE_IDLE; + set_state(priv, IDLE_STATE); + kcs_bmc_read_data(dev); + kcs_bmc_write_data(dev, KCS_ZERO_DATA); + priv->phase = KCS_PHASE_IDLE; break; default: - kcs_bmc_ipmi_force_abort(kcs_bmc); + kcs_bmc_ipmi_force_abort(priv); break; } } -static void kcs_bmc_ipmi_handle_cmd(struct kcs_bmc *kcs_bmc) +static void kcs_bmc_ipmi_handle_cmd(struct kcs_bmc_ipmi *priv) { u8 cmd; - set_state(kcs_bmc, WRITE_STATE); - kcs_bmc_write_data(kcs_bmc, KCS_ZERO_DATA); + set_state(priv, WRITE_STATE); + kcs_bmc_write_data(priv->client.dev, KCS_ZERO_DATA); - cmd = kcs_bmc_read_data(kcs_bmc); + cmd = kcs_bmc_read_data(priv->client.dev); switch (cmd) { case KCS_CMD_WRITE_START: - kcs_bmc->phase = KCS_PHASE_WRITE_START; - kcs_bmc->error = KCS_NO_ERROR; - kcs_bmc->data_in_avail = false; - kcs_bmc->data_in_idx = 0; + priv->phase = KCS_PHASE_WRITE_START; + priv->error = KCS_NO_ERROR; + priv->data_in_avail = false; + priv->data_in_idx = 0; break; case KCS_CMD_WRITE_END: - if (kcs_bmc->phase != KCS_PHASE_WRITE_DATA) { - kcs_bmc_ipmi_force_abort(kcs_bmc); + if (priv->phase != KCS_PHASE_WRITE_DATA) { + kcs_bmc_ipmi_force_abort(priv); break; } - kcs_bmc->phase = KCS_PHASE_WRITE_END_CMD; + priv->phase = KCS_PHASE_WRITE_END_CMD; break; case KCS_CMD_GET_STATUS_ABORT: - if (kcs_bmc->error == KCS_NO_ERROR) - kcs_bmc->error = KCS_ABORTED_BY_COMMAND; + if (priv->error == KCS_NO_ERROR) + priv->error = KCS_ABORTED_BY_COMMAND; - kcs_bmc->phase = KCS_PHASE_ABORT_ERROR1; - kcs_bmc->data_in_avail = false; - kcs_bmc->data_in_idx = 0; + priv->phase = KCS_PHASE_ABORT_ERROR1; + priv->data_in_avail = false; + priv->data_in_idx = 0; break; default: - kcs_bmc_ipmi_force_abort(kcs_bmc); - kcs_bmc->error = KCS_ILLEGAL_CONTROL_CODE; + kcs_bmc_ipmi_force_abort(priv); + priv->error = KCS_ILLEGAL_CONTROL_CODE; break; } } -static inline struct kcs_bmc *client_to_kcs_bmc(struct kcs_bmc_client *client) +static inline struct kcs_bmc_ipmi *client_to_kcs_bmc_ipmi(struct kcs_bmc_client *client) { - return container_of(client, struct kcs_bmc, client); + return container_of(client, struct kcs_bmc_ipmi, client); } static irqreturn_t kcs_bmc_ipmi_event(struct kcs_bmc_client *client) { - struct kcs_bmc *kcs_bmc; - unsigned long flags; + struct kcs_bmc_ipmi *priv; u8 status; int ret; - kcs_bmc = client_to_kcs_bmc(client); + priv = client_to_kcs_bmc_ipmi(client); + if (!priv) + return IRQ_NONE; - spin_lock_irqsave(&kcs_bmc->lock, flags); + spin_lock(&priv->lock); - status = kcs_bmc_read_status(kcs_bmc); + status = kcs_bmc_read_status(client->dev); if (status & KCS_STATUS_IBF) { - if (!kcs_bmc->running) - kcs_bmc_ipmi_force_abort(kcs_bmc); - else if (status & KCS_STATUS_CMD_DAT) - kcs_bmc_ipmi_handle_cmd(kcs_bmc); + if (status & KCS_STATUS_CMD_DAT) + kcs_bmc_ipmi_handle_cmd(priv); else - kcs_bmc_ipmi_handle_data(kcs_bmc); + kcs_bmc_ipmi_handle_data(priv); ret = IRQ_HANDLED; } else { ret = IRQ_NONE; } - spin_unlock_irqrestore(&kcs_bmc->lock, flags); + spin_unlock(&priv->lock); return ret; } @@ -217,37 +290,29 @@ static const struct kcs_bmc_client_ops kcs_bmc_ipmi_client_ops = { .event = kcs_bmc_ipmi_event, }; -static inline struct kcs_bmc *file_to_kcs_bmc(struct file *filp) +static inline struct kcs_bmc_ipmi *to_kcs_bmc(struct file *filp) { - return container_of(filp->private_data, struct kcs_bmc, miscdev); + return container_of(filp->private_data, struct kcs_bmc_ipmi, miscdev); } static int kcs_bmc_ipmi_open(struct inode *inode, struct file *filp) { - struct kcs_bmc *kcs_bmc = file_to_kcs_bmc(filp); - int ret = 0; + struct kcs_bmc_ipmi *priv = to_kcs_bmc(filp); - spin_lock_irq(&kcs_bmc->lock); - if (!kcs_bmc->running) - kcs_bmc->running = 1; - else - ret = -EBUSY; - spin_unlock_irq(&kcs_bmc->lock); - - return ret; + return kcs_bmc_enable_device(priv->client.dev, &priv->client); } static __poll_t kcs_bmc_ipmi_poll(struct file *filp, poll_table *wait) { - struct kcs_bmc *kcs_bmc = file_to_kcs_bmc(filp); + struct kcs_bmc_ipmi *priv = to_kcs_bmc(filp); __poll_t mask = 0; - poll_wait(filp, &kcs_bmc->queue, wait); + poll_wait(filp, &priv->queue, wait); - spin_lock_irq(&kcs_bmc->lock); - if (kcs_bmc->data_in_avail) + spin_lock_irq(&priv->lock); + if (priv->data_in_avail) mask |= EPOLLIN; - spin_unlock_irq(&kcs_bmc->lock); + spin_unlock_irq(&priv->lock); return mask; } @@ -255,24 +320,24 @@ static __poll_t kcs_bmc_ipmi_poll(struct file *filp, poll_table *wait) static ssize_t kcs_bmc_ipmi_read(struct file *filp, char __user *buf, size_t count, loff_t *ppos) { - struct kcs_bmc *kcs_bmc = file_to_kcs_bmc(filp); + struct kcs_bmc_ipmi *priv = to_kcs_bmc(filp); bool data_avail; size_t data_len; ssize_t ret; if (!(filp->f_flags & O_NONBLOCK)) - wait_event_interruptible(kcs_bmc->queue, - kcs_bmc->data_in_avail); + wait_event_interruptible(priv->queue, + priv->data_in_avail); - mutex_lock(&kcs_bmc->mutex); + mutex_lock(&priv->mutex); - spin_lock_irq(&kcs_bmc->lock); - data_avail = kcs_bmc->data_in_avail; + spin_lock_irq(&priv->lock); + data_avail = priv->data_in_avail; if (data_avail) { - data_len = kcs_bmc->data_in_idx; - memcpy(kcs_bmc->kbuffer, kcs_bmc->data_in, data_len); + data_len = priv->data_in_idx; + memcpy(priv->kbuffer, priv->data_in, data_len); } - spin_unlock_irq(&kcs_bmc->lock); + spin_unlock_irq(&priv->lock); if (!data_avail) { ret = -EAGAIN; @@ -281,35 +346,35 @@ static ssize_t kcs_bmc_ipmi_read(struct file *filp, char __user *buf, if (count < data_len) { pr_err("channel=%u with too large data : %zu\n", - kcs_bmc->channel, data_len); + priv->client.dev->channel, data_len); - spin_lock_irq(&kcs_bmc->lock); - kcs_bmc_ipmi_force_abort(kcs_bmc); - spin_unlock_irq(&kcs_bmc->lock); + spin_lock_irq(&priv->lock); + kcs_bmc_ipmi_force_abort(priv); + spin_unlock_irq(&priv->lock); ret = -EOVERFLOW; goto out_unlock; } - if (copy_to_user(buf, kcs_bmc->kbuffer, data_len)) { + if (copy_to_user(buf, priv->kbuffer, data_len)) { ret = -EFAULT; goto out_unlock; } ret = data_len; - spin_lock_irq(&kcs_bmc->lock); - if (kcs_bmc->phase == KCS_PHASE_WRITE_DONE) { - kcs_bmc->phase = KCS_PHASE_WAIT_READ; - kcs_bmc->data_in_avail = false; - kcs_bmc->data_in_idx = 0; + spin_lock_irq(&priv->lock); + if (priv->phase == KCS_PHASE_WRITE_DONE) { + priv->phase = KCS_PHASE_WAIT_READ; + priv->data_in_avail = false; + priv->data_in_idx = 0; } else { ret = -EAGAIN; } - spin_unlock_irq(&kcs_bmc->lock); + spin_unlock_irq(&priv->lock); out_unlock: - mutex_unlock(&kcs_bmc->mutex); + mutex_unlock(&priv->mutex); return ret; } @@ -317,35 +382,35 @@ out_unlock: static ssize_t kcs_bmc_ipmi_write(struct file *filp, const char __user *buf, size_t count, loff_t *ppos) { - struct kcs_bmc *kcs_bmc = file_to_kcs_bmc(filp); + struct kcs_bmc_ipmi *priv = to_kcs_bmc(filp); ssize_t ret; /* a minimum response size '3' : netfn + cmd + ccode */ if (count < 3 || count > KCS_MSG_BUFSIZ) return -EINVAL; - mutex_lock(&kcs_bmc->mutex); + mutex_lock(&priv->mutex); - if (copy_from_user(kcs_bmc->kbuffer, buf, count)) { + if (copy_from_user(priv->kbuffer, buf, count)) { ret = -EFAULT; goto out_unlock; } - spin_lock_irq(&kcs_bmc->lock); - if (kcs_bmc->phase == KCS_PHASE_WAIT_READ) { - kcs_bmc->phase = KCS_PHASE_READ; - kcs_bmc->data_out_idx = 1; - kcs_bmc->data_out_len = count; - memcpy(kcs_bmc->data_out, kcs_bmc->kbuffer, count); - kcs_bmc_write_data(kcs_bmc, kcs_bmc->data_out[0]); + spin_lock_irq(&priv->lock); + if (priv->phase == KCS_PHASE_WAIT_READ) { + priv->phase = KCS_PHASE_READ; + priv->data_out_idx = 1; + priv->data_out_len = count; + memcpy(priv->data_out, priv->kbuffer, count); + kcs_bmc_write_data(priv->client.dev, priv->data_out[0]); ret = count; } else { ret = -EINVAL; } - spin_unlock_irq(&kcs_bmc->lock); + spin_unlock_irq(&priv->lock); out_unlock: - mutex_unlock(&kcs_bmc->mutex); + mutex_unlock(&priv->mutex); return ret; } @@ -353,22 +418,22 @@ out_unlock: static long kcs_bmc_ipmi_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { - struct kcs_bmc *kcs_bmc = file_to_kcs_bmc(filp); + struct kcs_bmc_ipmi *priv = to_kcs_bmc(filp); long ret = 0; - spin_lock_irq(&kcs_bmc->lock); + spin_lock_irq(&priv->lock); switch (cmd) { case IPMI_BMC_IOCTL_SET_SMS_ATN: - kcs_bmc_update_status(kcs_bmc, KCS_STATUS_SMS_ATN, KCS_STATUS_SMS_ATN); + kcs_bmc_update_status(priv->client.dev, KCS_STATUS_SMS_ATN, KCS_STATUS_SMS_ATN); break; case IPMI_BMC_IOCTL_CLEAR_SMS_ATN: - kcs_bmc_update_status(kcs_bmc, KCS_STATUS_SMS_ATN, 0); + kcs_bmc_update_status(priv->client.dev, KCS_STATUS_SMS_ATN, 0); break; case IPMI_BMC_IOCTL_FORCE_ABORT: - kcs_bmc_ipmi_force_abort(kcs_bmc); + kcs_bmc_ipmi_force_abort(priv); break; default: @@ -376,19 +441,17 @@ static long kcs_bmc_ipmi_ioctl(struct file *filp, unsigned int cmd, break; } - spin_unlock_irq(&kcs_bmc->lock); + spin_unlock_irq(&priv->lock); return ret; } static int kcs_bmc_ipmi_release(struct inode *inode, struct file *filp) { - struct kcs_bmc *kcs_bmc = file_to_kcs_bmc(filp); + struct kcs_bmc_ipmi *priv = to_kcs_bmc(filp); - spin_lock_irq(&kcs_bmc->lock); - kcs_bmc->running = 0; - kcs_bmc_ipmi_force_abort(kcs_bmc); - spin_unlock_irq(&kcs_bmc->lock); + kcs_bmc_ipmi_force_abort(priv); + kcs_bmc_disable_device(priv->client.dev, &priv->client); return 0; } @@ -403,56 +466,78 @@ static const struct file_operations kcs_bmc_ipmi_fops = { .unlocked_ioctl = kcs_bmc_ipmi_ioctl, }; -int kcs_bmc_ipmi_add_device(struct kcs_bmc *kcs_bmc); -int kcs_bmc_ipmi_add_device(struct kcs_bmc *kcs_bmc) +static DEFINE_SPINLOCK(kcs_bmc_ipmi_instances_lock); +static LIST_HEAD(kcs_bmc_ipmi_instances); + +int kcs_bmc_ipmi_add_device(struct kcs_bmc_device *kcs_bmc); +int kcs_bmc_ipmi_add_device(struct kcs_bmc_device *kcs_bmc) { + struct kcs_bmc_ipmi *priv; int rc; - spin_lock_init(&kcs_bmc->lock); - mutex_init(&kcs_bmc->mutex); - init_waitqueue_head(&kcs_bmc->queue); - - kcs_bmc->client.dev = kcs_bmc; - kcs_bmc->client.ops = &kcs_bmc_ipmi_client_ops; - kcs_bmc->data_in = devm_kmalloc(kcs_bmc->dev, KCS_MSG_BUFSIZ, GFP_KERNEL); - kcs_bmc->data_out = devm_kmalloc(kcs_bmc->dev, KCS_MSG_BUFSIZ, GFP_KERNEL); - kcs_bmc->kbuffer = devm_kmalloc(kcs_bmc->dev, KCS_MSG_BUFSIZ, GFP_KERNEL); - - kcs_bmc->miscdev.minor = MISC_DYNAMIC_MINOR; - kcs_bmc->miscdev.name = devm_kasprintf(kcs_bmc->dev, GFP_KERNEL, "%s%u", - DEVICE_NAME, kcs_bmc->channel); - if (!kcs_bmc->data_in || !kcs_bmc->data_out || !kcs_bmc->kbuffer || - !kcs_bmc->miscdev.name) + priv = devm_kzalloc(kcs_bmc->dev, sizeof(*priv), GFP_KERNEL); + if (!priv) return -ENOMEM; - kcs_bmc->miscdev.fops = &kcs_bmc_ipmi_fops; + spin_lock_init(&priv->lock); + mutex_init(&priv->mutex); + + init_waitqueue_head(&priv->queue); - rc = misc_register(&kcs_bmc->miscdev); + priv->client.dev = kcs_bmc; + priv->client.ops = &kcs_bmc_ipmi_client_ops; + priv->data_in = devm_kmalloc(kcs_bmc->dev, KCS_MSG_BUFSIZ, GFP_KERNEL); + priv->data_out = devm_kmalloc(kcs_bmc->dev, KCS_MSG_BUFSIZ, GFP_KERNEL); + priv->kbuffer = devm_kmalloc(kcs_bmc->dev, KCS_MSG_BUFSIZ, GFP_KERNEL); + + priv->miscdev.minor = MISC_DYNAMIC_MINOR; + priv->miscdev.name = devm_kasprintf(kcs_bmc->dev, GFP_KERNEL, "%s%u", DEVICE_NAME, + kcs_bmc->channel); + if (!priv->data_in || !priv->data_out || !priv->kbuffer || !priv->miscdev.name) + return -EINVAL; + + priv->miscdev.fops = &kcs_bmc_ipmi_fops; + + rc = misc_register(&priv->miscdev); if (rc) { dev_err(kcs_bmc->dev, "Unable to register device: %d\n", rc); return rc; } + spin_lock_irq(&kcs_bmc_ipmi_instances_lock); + list_add(&priv->entry, &kcs_bmc_ipmi_instances); + spin_unlock_irq(&kcs_bmc_ipmi_instances_lock); + dev_info(kcs_bmc->dev, "Initialised IPMI client for channel %d", kcs_bmc->channel); return 0; } EXPORT_SYMBOL(kcs_bmc_ipmi_add_device); -int kcs_bmc_ipmi_remove_device(struct kcs_bmc *kcs_bmc); -int kcs_bmc_ipmi_remove_device(struct kcs_bmc *kcs_bmc) +int kcs_bmc_ipmi_remove_device(struct kcs_bmc_device *kcs_bmc); +int kcs_bmc_ipmi_remove_device(struct kcs_bmc_device *kcs_bmc) { - misc_deregister(&kcs_bmc->miscdev); + struct kcs_bmc_ipmi *priv = NULL, *pos; + + spin_lock_irq(&kcs_bmc_ipmi_instances_lock); + list_for_each_entry(pos, &kcs_bmc_ipmi_instances, entry) { + if (pos->client.dev == kcs_bmc) { + priv = pos; + list_del(&pos->entry); + break; + } + } + spin_unlock_irq(&kcs_bmc_ipmi_instances_lock); - spin_lock_irq(&kcs_bmc->lock); - kcs_bmc->running = 0; - kcs_bmc_ipmi_force_abort(kcs_bmc); - spin_unlock_irq(&kcs_bmc->lock); + if (!priv) + return -ENODEV; - devm_kfree(kcs_bmc->dev, kcs_bmc->kbuffer); - devm_kfree(kcs_bmc->dev, kcs_bmc->data_out); - devm_kfree(kcs_bmc->dev, kcs_bmc->data_in); - devm_kfree(kcs_bmc->dev, kcs_bmc); + misc_deregister(&priv->miscdev); + kcs_bmc_disable_device(priv->client.dev, &priv->client); + devm_kfree(kcs_bmc->dev, priv->kbuffer); + devm_kfree(kcs_bmc->dev, priv->data_out); + devm_kfree(kcs_bmc->dev, priv->data_in); + devm_kfree(kcs_bmc->dev, priv); return 0; } @@ -460,4 +545,5 @@ EXPORT_SYMBOL(kcs_bmc_ipmi_remove_device); MODULE_LICENSE("GPL v2"); MODULE_AUTHOR("Haiyue Wang <haiyue.wang@linux.intel.com>"); +MODULE_AUTHOR("Andrew Jeffery <andrew@aj.id.au>"); MODULE_DESCRIPTION("KCS BMC to handle the IPMI request from system software"); diff --git a/drivers/char/ipmi/kcs_bmc_client.h b/drivers/char/ipmi/kcs_bmc_client.h index dad8774aebce..a32fdc4a7707 100644 --- a/drivers/char/ipmi/kcs_bmc_client.h +++ b/drivers/char/ipmi/kcs_bmc_client.h @@ -6,22 +6,24 @@ #include <linux/irqreturn.h> -struct kcs_bmc; -struct kcs_bmc_client_ops; +#include "kcs_bmc.h" + +struct kcs_bmc_client_ops { + irqreturn_t (*event)(struct kcs_bmc_client *client); +}; struct kcs_bmc_client { const struct kcs_bmc_client_ops *ops; - struct kcs_bmc *dev; + struct kcs_bmc_device *dev; }; -struct kcs_bmc_client_ops { - irqreturn_t (*event)(struct kcs_bmc_client *client); -}; +int kcs_bmc_enable_device(struct kcs_bmc_device *kcs_bmc, struct kcs_bmc_client *client); +void kcs_bmc_disable_device(struct kcs_bmc_device *kcs_bmc, struct kcs_bmc_client *client); -u8 kcs_bmc_read_data(struct kcs_bmc *kcs_bmc); -void kcs_bmc_write_data(struct kcs_bmc *kcs_bmc, u8 data); -u8 kcs_bmc_read_status(struct kcs_bmc *kcs_bmc); -void kcs_bmc_write_status(struct kcs_bmc *kcs_bmc, u8 data); -void kcs_bmc_update_status(struct kcs_bmc *kcs_bmc, u8 mask, u8 val); +u8 kcs_bmc_read_data(struct kcs_bmc_device *kcs_bmc); +void kcs_bmc_write_data(struct kcs_bmc_device *kcs_bmc, u8 data); +u8 kcs_bmc_read_status(struct kcs_bmc_device *kcs_bmc); +void kcs_bmc_write_status(struct kcs_bmc_device *kcs_bmc, u8 data); +void kcs_bmc_update_status(struct kcs_bmc_device *kcs_bmc, u8 mask, u8 val); #endif diff --git a/drivers/char/ipmi/kcs_bmc_device.h b/drivers/char/ipmi/kcs_bmc_device.h index dd8bf1307ad2..c9a4237bbf40 100644 --- a/drivers/char/ipmi/kcs_bmc_device.h +++ b/drivers/char/ipmi/kcs_bmc_device.h @@ -4,16 +4,18 @@ #ifndef __KCS_BMC_DEVICE_H__ #define __KCS_BMC_DEVICE_H__ +#include <linux/irqreturn.h> + #include "kcs_bmc.h" struct kcs_bmc_device_ops { - u8 (*io_inputb)(struct kcs_bmc *kcs_bmc, u32 reg); - void (*io_outputb)(struct kcs_bmc *kcs_bmc, u32 reg, u8 b); - void (*io_updateb)(struct kcs_bmc *kcs_bmc, u32 reg, u8 mask, u8 b); + u8 (*io_inputb)(struct kcs_bmc_device *kcs_bmc, u32 reg); + void (*io_outputb)(struct kcs_bmc_device *kcs_bmc, u32 reg, u8 b); + void (*io_updateb)(struct kcs_bmc_device *kcs_bmc, u32 reg, u8 mask, u8 b); }; -irqreturn_t kcs_bmc_handle_event(struct kcs_bmc *kcs_bmc); -int kcs_bmc_add_device(struct kcs_bmc *kcs_bmc); -void kcs_bmc_remove_device(struct kcs_bmc *kcs_bmc); +irqreturn_t kcs_bmc_handle_event(struct kcs_bmc_device *kcs_bmc); +int kcs_bmc_add_device(struct kcs_bmc_device *kcs_bmc); +void kcs_bmc_remove_device(struct kcs_bmc_device *kcs_bmc); #endif diff --git a/drivers/char/ipmi/kcs_bmc_npcm7xx.c b/drivers/char/ipmi/kcs_bmc_npcm7xx.c index ebb691af28c5..3b96486c25c3 100644 --- a/drivers/char/ipmi/kcs_bmc_npcm7xx.c +++ b/drivers/char/ipmi/kcs_bmc_npcm7xx.c @@ -65,7 +65,7 @@ struct npcm7xx_kcs_reg { }; struct npcm7xx_kcs_bmc { - struct kcs_bmc kcs_bmc; + struct kcs_bmc_device kcs_bmc; struct regmap *map; @@ -78,12 +78,12 @@ static const struct npcm7xx_kcs_reg npcm7xx_kcs_reg_tbl[KCS_CHANNEL_MAX] = { { .sts = KCS3ST, .dob = KCS3DO, .dib = KCS3DI, .ctl = KCS3CTL, .ie = KCS3IE }, }; -static inline struct npcm7xx_kcs_bmc *to_npcm7xx_kcs_bmc(struct kcs_bmc *kcs_bmc) +static inline struct npcm7xx_kcs_bmc *to_npcm7xx_kcs_bmc(struct kcs_bmc_device *kcs_bmc) { return container_of(kcs_bmc, struct npcm7xx_kcs_bmc, kcs_bmc); } -static u8 npcm7xx_kcs_inb(struct kcs_bmc *kcs_bmc, u32 reg) +static u8 npcm7xx_kcs_inb(struct kcs_bmc_device *kcs_bmc, u32 reg) { struct npcm7xx_kcs_bmc *priv = to_npcm7xx_kcs_bmc(kcs_bmc); u32 val = 0; @@ -95,7 +95,7 @@ static u8 npcm7xx_kcs_inb(struct kcs_bmc *kcs_bmc, u32 reg) return rc == 0 ? (u8)val : 0; } -static void npcm7xx_kcs_outb(struct kcs_bmc *kcs_bmc, u32 reg, u8 data) +static void npcm7xx_kcs_outb(struct kcs_bmc_device *kcs_bmc, u32 reg, u8 data) { struct npcm7xx_kcs_bmc *priv = to_npcm7xx_kcs_bmc(kcs_bmc); int rc; @@ -104,7 +104,7 @@ static void npcm7xx_kcs_outb(struct kcs_bmc *kcs_bmc, u32 reg, u8 data) WARN(rc != 0, "regmap_write() failed: %d\n", rc); } -static void npcm7xx_kcs_updateb(struct kcs_bmc *kcs_bmc, u32 reg, u8 mask, u8 data) +static void npcm7xx_kcs_updateb(struct kcs_bmc_device *kcs_bmc, u32 reg, u8 mask, u8 data) { struct npcm7xx_kcs_bmc *priv = to_npcm7xx_kcs_bmc(kcs_bmc); int rc; @@ -113,7 +113,7 @@ static void npcm7xx_kcs_updateb(struct kcs_bmc *kcs_bmc, u32 reg, u8 mask, u8 da WARN(rc != 0, "regmap_update_bits() failed: %d\n", rc); } -static void npcm7xx_kcs_enable_channel(struct kcs_bmc *kcs_bmc, bool enable) +static void npcm7xx_kcs_enable_channel(struct kcs_bmc_device *kcs_bmc, bool enable) { struct npcm7xx_kcs_bmc *priv = to_npcm7xx_kcs_bmc(kcs_bmc); @@ -126,12 +126,12 @@ static void npcm7xx_kcs_enable_channel(struct kcs_bmc *kcs_bmc, bool enable) static irqreturn_t npcm7xx_kcs_irq(int irq, void *arg) { - struct kcs_bmc *kcs_bmc = arg; + struct kcs_bmc_device *kcs_bmc = arg; return kcs_bmc_handle_event(kcs_bmc); } -static int npcm7xx_kcs_config_irq(struct kcs_bmc *kcs_bmc, +static int npcm7xx_kcs_config_irq(struct kcs_bmc_device *kcs_bmc, struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -155,7 +155,7 @@ static int npcm7xx_kcs_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct npcm7xx_kcs_bmc *priv; - struct kcs_bmc *kcs_bmc; + struct kcs_bmc_device *kcs_bmc; u32 chan; int rc; @@ -207,7 +207,7 @@ static int npcm7xx_kcs_probe(struct platform_device *pdev) static int npcm7xx_kcs_remove(struct platform_device *pdev) { struct npcm7xx_kcs_bmc *priv = platform_get_drvdata(pdev); - struct kcs_bmc *kcs_bmc = &priv->kcs_bmc; + struct kcs_bmc_device *kcs_bmc = &priv->kcs_bmc; kcs_bmc_remove_device(kcs_bmc); |