diff options
Diffstat (limited to 'drivers/misc')
-rw-r--r-- | drivers/misc/arm-charlcd.c | 5 | ||||
-rw-r--r-- | drivers/misc/ep93xx_pwm.c | 1 | ||||
-rw-r--r-- | drivers/misc/mei/amthif.c | 6 | ||||
-rw-r--r-- | drivers/misc/mei/client.c | 26 | ||||
-rw-r--r-- | drivers/misc/mei/client.h | 1 | ||||
-rw-r--r-- | drivers/misc/mei/interrupt.c | 158 | ||||
-rw-r--r-- | drivers/misc/mei/mei_dev.h | 13 | ||||
-rw-r--r-- | drivers/misc/sram.c | 7 | ||||
-rw-r--r-- | drivers/misc/tsl2550.c | 4 |
9 files changed, 103 insertions, 118 deletions
diff --git a/drivers/misc/arm-charlcd.c b/drivers/misc/arm-charlcd.c index 48651ef0028..1256a4bf1c0 100644 --- a/drivers/misc/arm-charlcd.c +++ b/drivers/misc/arm-charlcd.c @@ -291,7 +291,7 @@ static int __init charlcd_probe(struct platform_device *pdev) lcd->virtbase = ioremap(lcd->phybase, lcd->physize); if (!lcd->virtbase) { ret = -ENOMEM; - goto out_no_remap; + goto out_no_memregion; } lcd->irq = platform_get_irq(pdev, 0); @@ -320,8 +320,6 @@ static int __init charlcd_probe(struct platform_device *pdev) out_no_irq: iounmap(lcd->virtbase); -out_no_remap: - platform_set_drvdata(pdev, NULL); out_no_memregion: release_mem_region(lcd->phybase, SZ_4K); out_no_resource: @@ -337,7 +335,6 @@ static int __exit charlcd_remove(struct platform_device *pdev) free_irq(lcd->irq, lcd); iounmap(lcd->virtbase); release_mem_region(lcd->phybase, lcd->physize); - platform_set_drvdata(pdev, NULL); kfree(lcd); } diff --git a/drivers/misc/ep93xx_pwm.c b/drivers/misc/ep93xx_pwm.c index 96787ec15ca..9ba93f0fe1d 100644 --- a/drivers/misc/ep93xx_pwm.c +++ b/drivers/misc/ep93xx_pwm.c @@ -347,7 +347,6 @@ static int __exit ep93xx_pwm_remove(struct platform_device *pdev) ep93xx_pwm_disable(pwm); clk_disable(pwm->clk); clk_put(pwm->clk); - platform_set_drvdata(pdev, NULL); sysfs_remove_group(&pdev->dev.kobj, &ep93xx_pwm_sysfs_files); iounmap(pwm->mmio_base); release_mem_region(res->start, resource_size(res)); diff --git a/drivers/misc/mei/amthif.c b/drivers/misc/mei/amthif.c index b3e50984d2c..749452f8e2f 100644 --- a/drivers/misc/mei/amthif.c +++ b/drivers/misc/mei/amthif.c @@ -443,11 +443,11 @@ unsigned int mei_amthif_poll(struct mei_device *dev, * * returns 0, OK; otherwise, error. */ -int mei_amthif_irq_write_complete(struct mei_device *dev, s32 *slots, - struct mei_cl_cb *cb, struct mei_cl_cb *cmpl_list) +int mei_amthif_irq_write_complete(struct mei_cl *cl, struct mei_cl_cb *cb, + s32 *slots, struct mei_cl_cb *cmpl_list) { + struct mei_device *dev = cl->dev; struct mei_msg_hdr mei_hdr; - struct mei_cl *cl = cb->cl; size_t len = dev->iamthif_msg_buf_size - dev->iamthif_msg_buf_index; u32 msg_slots = mei_data2slots(len); diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c index e310ca6ed1a..c2534ca5c6f 100644 --- a/drivers/misc/mei/client.c +++ b/drivers/misc/mei/client.c @@ -785,6 +785,32 @@ err: } +/** + * mei_cl_complete - processes completed operation for a client + * + * @cl: private data of the file object. + * @cb: callback block. + */ +void mei_cl_complete(struct mei_cl *cl, struct mei_cl_cb *cb) +{ + if (cb->fop_type == MEI_FOP_WRITE) { + mei_io_cb_free(cb); + cb = NULL; + cl->writing_state = MEI_WRITE_COMPLETE; + if (waitqueue_active(&cl->tx_wait)) + wake_up_interruptible(&cl->tx_wait); + + } else if (cb->fop_type == MEI_FOP_READ && + MEI_READING == cl->reading_state) { + cl->reading_state = MEI_READ_COMPLETE; + if (waitqueue_active(&cl->rx_wait)) + wake_up_interruptible(&cl->rx_wait); + else + mei_cl_bus_rx_event(cl); + + } +} + /** * mei_cl_all_disconnect - disconnect forcefully all connected clients diff --git a/drivers/misc/mei/client.h b/drivers/misc/mei/client.h index cfdb144526a..7dc2af7b6fb 100644 --- a/drivers/misc/mei/client.h +++ b/drivers/misc/mei/client.h @@ -89,6 +89,7 @@ int mei_cl_disconnect(struct mei_cl *cl); int mei_cl_connect(struct mei_cl *cl, struct file *file); int mei_cl_read_start(struct mei_cl *cl, size_t length); int mei_cl_write(struct mei_cl *cl, struct mei_cl_cb *cb, bool blocking); +void mei_cl_complete(struct mei_cl *cl, struct mei_cl_cb *cb); void mei_host_client_init(struct work_struct *work); diff --git a/drivers/misc/mei/interrupt.c b/drivers/misc/mei/interrupt.c index 2ad73698941..7d9509a094e 100644 --- a/drivers/misc/mei/interrupt.c +++ b/drivers/misc/mei/interrupt.c @@ -31,32 +31,6 @@ /** - * mei_cl_complete_handler - processes completed operation for a client - * - * @cl: private data of the file object. - * @cb: callback block. - */ -static void mei_cl_complete_handler(struct mei_cl *cl, struct mei_cl_cb *cb) -{ - if (cb->fop_type == MEI_FOP_WRITE) { - mei_io_cb_free(cb); - cb = NULL; - cl->writing_state = MEI_WRITE_COMPLETE; - if (waitqueue_active(&cl->tx_wait)) - wake_up_interruptible(&cl->tx_wait); - - } else if (cb->fop_type == MEI_FOP_READ && - MEI_READING == cl->reading_state) { - cl->reading_state = MEI_READ_COMPLETE; - if (waitqueue_active(&cl->rx_wait)) - wake_up_interruptible(&cl->rx_wait); - else - mei_cl_bus_rx_event(cl); - - } -} - -/** * mei_irq_compl_handler - dispatch complete handelers * for the completed callbacks * @@ -78,7 +52,7 @@ void mei_irq_compl_handler(struct mei_device *dev, struct mei_cl_cb *compl_list) if (cl == &dev->iamthif_cl) mei_amthif_complete(dev, cb); else - mei_cl_complete_handler(cl, cb); + mei_cl_complete(cl, cb); } } EXPORT_SYMBOL_GPL(mei_irq_compl_handler); @@ -189,21 +163,21 @@ static int mei_cl_irq_read_msg(struct mei_device *dev, } /** - * _mei_irq_thread_close - processes close related operation. + * mei_cl_irq_close - processes close related operation from + * interrupt thread context - send disconnect request * - * @dev: the device structure. + * @cl: client + * @cb: callback block. * @slots: free slots. - * @cb_pos: callback block. - * @cl: private data of the file object. * @cmpl_list: complete list. * * returns 0, OK; otherwise, error. */ -static int _mei_irq_thread_close(struct mei_device *dev, s32 *slots, - struct mei_cl_cb *cb_pos, - struct mei_cl *cl, - struct mei_cl_cb *cmpl_list) +static int mei_cl_irq_close(struct mei_cl *cl, struct mei_cl_cb *cb, + s32 *slots, struct mei_cl_cb *cmpl_list) { + struct mei_device *dev = cl->dev; + u32 msg_slots = mei_data2slots(sizeof(struct hbm_client_connect_request)); @@ -214,15 +188,15 @@ static int _mei_irq_thread_close(struct mei_device *dev, s32 *slots, if (mei_hbm_cl_disconnect_req(dev, cl)) { cl->status = 0; - cb_pos->buf_idx = 0; - list_move_tail(&cb_pos->list, &cmpl_list->list); + cb->buf_idx = 0; + list_move_tail(&cb->list, &cmpl_list->list); return -EIO; } cl->state = MEI_FILE_DISCONNECTING; cl->status = 0; - cb_pos->buf_idx = 0; - list_move_tail(&cb_pos->list, &dev->ctrl_rd_list.list); + cb->buf_idx = 0; + list_move_tail(&cb->list, &dev->ctrl_rd_list.list); cl->timer_count = MEI_CONNECT_TIMEOUT; return 0; @@ -230,26 +204,26 @@ static int _mei_irq_thread_close(struct mei_device *dev, s32 *slots, /** - * _mei_irq_thread_read - processes read related operation. + * mei_cl_irq_close - processes client read related operation from the + * interrupt thread context - request for flow control credits * - * @dev: the device structure. + * @cl: client + * @cb: callback block. * @slots: free slots. - * @cb_pos: callback block. - * @cl: private data of the file object. * @cmpl_list: complete list. * * returns 0, OK; otherwise, error. */ -static int _mei_irq_thread_read(struct mei_device *dev, s32 *slots, - struct mei_cl_cb *cb_pos, - struct mei_cl *cl, - struct mei_cl_cb *cmpl_list) +static int mei_cl_irq_read(struct mei_cl *cl, struct mei_cl_cb *cb, + s32 *slots, struct mei_cl_cb *cmpl_list) { + struct mei_device *dev = cl->dev; + u32 msg_slots = mei_data2slots(sizeof(struct hbm_flow_control)); if (*slots < msg_slots) { /* return the cancel routine */ - list_del(&cb_pos->list); + list_del(&cb->list); return -EMSGSIZE; } @@ -257,38 +231,38 @@ static int _mei_irq_thread_read(struct mei_device *dev, s32 *slots, if (mei_hbm_cl_flow_control_req(dev, cl)) { cl->status = -ENODEV; - cb_pos->buf_idx = 0; - list_move_tail(&cb_pos->list, &cmpl_list->list); + cb->buf_idx = 0; + list_move_tail(&cb->list, &cmpl_list->list); return -ENODEV; } - list_move_tail(&cb_pos->list, &dev->read_list.list); + list_move_tail(&cb->list, &dev->read_list.list); return 0; } /** - * _mei_irq_thread_ioctl - processes ioctl related operation. + * mei_cl_irq_ioctl - processes client ioctl related operation from the + * interrupt thread context - send connection request * - * @dev: the device structure. + * @cl: client + * @cb: callback block. * @slots: free slots. - * @cb_pos: callback block. - * @cl: private data of the file object. * @cmpl_list: complete list. * * returns 0, OK; otherwise, error. */ -static int _mei_irq_thread_ioctl(struct mei_device *dev, s32 *slots, - struct mei_cl_cb *cb_pos, - struct mei_cl *cl, - struct mei_cl_cb *cmpl_list) +static int mei_cl_irq_ioctl(struct mei_cl *cl, struct mei_cl_cb *cb, + s32 *slots, struct mei_cl_cb *cmpl_list) { + struct mei_device *dev = cl->dev; + u32 msg_slots = mei_data2slots(sizeof(struct hbm_client_connect_request)); if (*slots < msg_slots) { /* return the cancel routine */ - list_del(&cb_pos->list); + list_del(&cb->list); return -EMSGSIZE; } @@ -298,31 +272,31 @@ static int _mei_irq_thread_ioctl(struct mei_device *dev, s32 *slots, if (mei_hbm_cl_connect_req(dev, cl)) { cl->status = -ENODEV; - cb_pos->buf_idx = 0; - list_del(&cb_pos->list); + cb->buf_idx = 0; + list_del(&cb->list); return -ENODEV; - } else { - list_move_tail(&cb_pos->list, &dev->ctrl_rd_list.list); - cl->timer_count = MEI_CONNECT_TIMEOUT; } + + list_move_tail(&cb->list, &dev->ctrl_rd_list.list); + cl->timer_count = MEI_CONNECT_TIMEOUT; return 0; } /** - * mei_irq_thread_write_complete - write messages to device. + * mei_cl_irq_write_complete - write messages to device. * - * @dev: the device structure. - * @slots: free slots. + * @cl: client * @cb: callback block. + * @slots: free slots. * @cmpl_list: complete list. * * returns 0, OK; otherwise, error. */ -static int mei_irq_thread_write_complete(struct mei_device *dev, s32 *slots, - struct mei_cl_cb *cb, struct mei_cl_cb *cmpl_list) +static int mei_cl_irq_write_complete(struct mei_cl *cl, struct mei_cl_cb *cb, + s32 *slots, struct mei_cl_cb *cmpl_list) { + struct mei_device *dev = cl->dev; struct mei_msg_hdr mei_hdr; - struct mei_cl *cl = cb->cl; size_t len = cb->request_buffer.size - cb->buf_idx; u32 msg_slots = mei_data2slots(len); @@ -481,7 +455,7 @@ int mei_irq_write_handler(struct mei_device *dev, struct mei_cl_cb *cmpl_list) { struct mei_cl *cl; - struct mei_cl_cb *pos = NULL, *next = NULL; + struct mei_cl_cb *cb, *next; struct mei_cl_cb *list; s32 slots; int ret; @@ -498,19 +472,19 @@ int mei_irq_write_handler(struct mei_device *dev, struct mei_cl_cb *cmpl_list) dev_dbg(&dev->pdev->dev, "complete all waiting for write cb.\n"); list = &dev->write_waiting_list; - list_for_each_entry_safe(pos, next, &list->list, list) { - cl = pos->cl; + list_for_each_entry_safe(cb, next, &list->list, list) { + cl = cb->cl; if (cl == NULL) continue; cl->status = 0; - list_del(&pos->list); + list_del(&cb->list); if (MEI_WRITING == cl->writing_state && - pos->fop_type == MEI_FOP_WRITE && + cb->fop_type == MEI_FOP_WRITE && cl != &dev->iamthif_cl) { dev_dbg(&dev->pdev->dev, "MEI WRITE COMPLETE\n"); cl->writing_state = MEI_WRITE_COMPLETE; - list_add_tail(&pos->list, &cmpl_list->list); + list_add_tail(&cb->list, &cmpl_list->list); } if (cl == &dev->iamthif_cl) { dev_dbg(&dev->pdev->dev, "check iamthif flow control.\n"); @@ -552,25 +526,23 @@ int mei_irq_write_handler(struct mei_device *dev, struct mei_cl_cb *cmpl_list) /* complete control write list CB */ dev_dbg(&dev->pdev->dev, "complete control write list cb.\n"); - list_for_each_entry_safe(pos, next, &dev->ctrl_wr_list.list, list) { - cl = pos->cl; + list_for_each_entry_safe(cb, next, &dev->ctrl_wr_list.list, list) { + cl = cb->cl; if (!cl) { - list_del(&pos->list); + list_del(&cb->list); return -ENODEV; } - switch (pos->fop_type) { + switch (cb->fop_type) { case MEI_FOP_CLOSE: /* send disconnect message */ - ret = _mei_irq_thread_close(dev, &slots, pos, - cl, cmpl_list); + ret = mei_cl_irq_close(cl, cb, &slots, cmpl_list); if (ret) return ret; break; case MEI_FOP_READ: /* send flow control message */ - ret = _mei_irq_thread_read(dev, &slots, pos, - cl, cmpl_list); + ret = mei_cl_irq_read(cl, cb, &slots, cmpl_list); if (ret) return ret; @@ -579,8 +551,7 @@ int mei_irq_write_handler(struct mei_device *dev, struct mei_cl_cb *cmpl_list) /* connect message */ if (mei_cl_is_other_connecting(cl)) continue; - ret = _mei_irq_thread_ioctl(dev, &slots, pos, - cl, cmpl_list); + ret = mei_cl_irq_ioctl(cl, cb, &slots, cmpl_list); if (ret) return ret; @@ -593,8 +564,8 @@ int mei_irq_write_handler(struct mei_device *dev, struct mei_cl_cb *cmpl_list) } /* complete write list CB */ dev_dbg(&dev->pdev->dev, "complete write list cb.\n"); - list_for_each_entry_safe(pos, next, &dev->write_list.list, list) { - cl = pos->cl; + list_for_each_entry_safe(cb, next, &dev->write_list.list, list) { + cl = cb->cl; if (cl == NULL) continue; if (mei_cl_flow_ctrl_creds(cl) <= 0) { @@ -605,14 +576,13 @@ int mei_irq_write_handler(struct mei_device *dev, struct mei_cl_cb *cmpl_list) } if (cl == &dev->iamthif_cl) - ret = mei_amthif_irq_write_complete(dev, &slots, - pos, cmpl_list); + ret = mei_amthif_irq_write_complete(cl, cb, + &slots, cmpl_list); else - ret = mei_irq_thread_write_complete(dev, &slots, pos, - cmpl_list); + ret = mei_cl_irq_write_complete(cl, cb, + &slots, cmpl_list); if (ret) return ret; - } return 0; } diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h index 4de5140e737..197ba6481bf 100644 --- a/drivers/misc/mei/mei_dev.h +++ b/drivers/misc/mei/mei_dev.h @@ -502,8 +502,8 @@ struct mei_cl_cb *mei_amthif_find_read_list_entry(struct mei_device *dev, void mei_amthif_run_next_cmd(struct mei_device *dev); -int mei_amthif_irq_write_complete(struct mei_device *dev, s32 *slots, - struct mei_cl_cb *cb, struct mei_cl_cb *cmpl_list); +int mei_amthif_irq_write_complete(struct mei_cl *cl, struct mei_cl_cb *cb, + s32 *slots, struct mei_cl_cb *cmpl_list); void mei_amthif_complete(struct mei_device *dev, struct mei_cl_cb *cb); int mei_amthif_irq_read_msg(struct mei_device *dev, @@ -522,15 +522,6 @@ void mei_nfc_host_exit(void); */ extern const uuid_le mei_nfc_guid; -int mei_amthif_irq_write_complete(struct mei_device *dev, s32 *slots, - struct mei_cl_cb *cb, struct mei_cl_cb *cmpl_list); - -void mei_amthif_complete(struct mei_device *dev, struct mei_cl_cb *cb); -int mei_amthif_irq_read_message(struct mei_cl_cb *complete_list, - struct mei_device *dev, struct mei_msg_hdr *mei_hdr); -int mei_amthif_irq_read(struct mei_device *dev, s32 *slots); - - int mei_wd_send(struct mei_device *dev); int mei_wd_stop(struct mei_device *dev); int mei_wd_host_init(struct mei_device *dev); diff --git a/drivers/misc/sram.c b/drivers/misc/sram.c index 437192e4300..4a938860fec 100644 --- a/drivers/misc/sram.c +++ b/drivers/misc/sram.c @@ -50,9 +50,10 @@ static int sram_probe(struct platform_device *pdev) size = resource_size(res); - virt_base = devm_request_and_ioremap(&pdev->dev, res); - if (!virt_base) - return -EADDRNOTAVAIL; + virt_base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(virt_base)) + return PTR_ERR(virt_base); + sram = devm_kzalloc(&pdev->dev, sizeof(*sram), GFP_KERNEL); if (!sram) diff --git a/drivers/misc/tsl2550.c b/drivers/misc/tsl2550.c index 1dfde4d543d..5bc10fa193d 100644 --- a/drivers/misc/tsl2550.c +++ b/drivers/misc/tsl2550.c @@ -204,7 +204,7 @@ static ssize_t tsl2550_store_power_state(struct device *dev, unsigned long val = simple_strtoul(buf, NULL, 10); int ret; - if (val < 0 || val > 1) + if (val > 1) return -EINVAL; mutex_lock(&data->update_lock); @@ -236,7 +236,7 @@ static ssize_t tsl2550_store_operating_mode(struct device *dev, unsigned long val = simple_strtoul(buf, NULL, 10); int ret; - if (val < 0 || val > 1) + if (val > 1) return -EINVAL; if (data->power_state == 0) |