diff options
author | Jiri Kosina <jkosina@suse.cz> | 2014-11-20 14:42:02 +0100 |
---|---|---|
committer | Jiri Kosina <jkosina@suse.cz> | 2014-11-20 14:42:02 +0100 |
commit | a02001086bbfb4da35d1228bebc2f1b442db455f (patch) | |
tree | 62ab47936cef06fd08657ca5b6cd1df98c19be57 /drivers/misc/mei/interrupt.c | |
parent | kernel: trace: fix printk message (diff) | |
parent | Linux 3.18-rc5 (diff) | |
download | linux-a02001086bbfb4da35d1228bebc2f1b442db455f.tar.xz linux-a02001086bbfb4da35d1228bebc2f1b442db455f.zip |
Merge Linus' tree to be be to apply submitted patches to newer code than
current trivial.git base
Diffstat (limited to 'drivers/misc/mei/interrupt.c')
-rw-r--r-- | drivers/misc/mei/interrupt.c | 96 |
1 files changed, 43 insertions, 53 deletions
diff --git a/drivers/misc/mei/interrupt.c b/drivers/misc/mei/interrupt.c index 4e3cba6da3f5..20c6c511f438 100644 --- a/drivers/misc/mei/interrupt.c +++ b/drivers/misc/mei/interrupt.c @@ -16,11 +16,11 @@ #include <linux/export.h> -#include <linux/pci.h> #include <linux/kthread.h> #include <linux/interrupt.h> #include <linux/fs.h> #include <linux/jiffies.h> +#include <linux/slab.h> #include <linux/mei.h> @@ -33,8 +33,8 @@ * mei_irq_compl_handler - dispatch complete handlers * for the completed callbacks * - * @dev - mei device - * @compl_list - list of completed cbs + * @dev: mei device + * @compl_list: list of completed cbs */ void mei_irq_compl_handler(struct mei_device *dev, struct mei_cl_cb *compl_list) { @@ -47,7 +47,7 @@ void mei_irq_compl_handler(struct mei_device *dev, struct mei_cl_cb *compl_list) if (!cl) continue; - dev_dbg(&dev->pdev->dev, "completing call back.\n"); + dev_dbg(dev->dev, "completing call back.\n"); if (cl == &dev->iamthif_cl) mei_amthif_complete(dev, cb); else @@ -62,7 +62,7 @@ EXPORT_SYMBOL_GPL(mei_irq_compl_handler); * @cl: host client * @mei_hdr: header of mei client message * - * returns true if matches, false otherwise + * Return: true if matches, false otherwise */ static inline int mei_cl_hbm_equal(struct mei_cl *cl, struct mei_msg_hdr *mei_hdr) @@ -72,12 +72,12 @@ static inline int mei_cl_hbm_equal(struct mei_cl *cl, } /** * mei_cl_is_reading - checks if the client - is the one to read this message + * is the one to read this message * * @cl: mei client * @mei_hdr: header of mei message * - * returns true on match and false otherwise + * Return: true on match and false otherwise */ static bool mei_cl_is_reading(struct mei_cl *cl, struct mei_msg_hdr *mei_hdr) { @@ -87,13 +87,13 @@ static bool mei_cl_is_reading(struct mei_cl *cl, struct mei_msg_hdr *mei_hdr) } /** - * mei_irq_read_client_message - process client message + * mei_cl_irq_read_msg - process client message * * @dev: the device structure * @mei_hdr: header of mei client message * @complete_list: An instance of our list structure * - * returns 0 on success, <0 on failure. + * Return: 0 on success, <0 on failure. */ static int mei_cl_irq_read_msg(struct mei_device *dev, struct mei_msg_hdr *mei_hdr, @@ -126,7 +126,6 @@ static int mei_cl_irq_read_msg(struct mei_device *dev, GFP_KERNEL); if (!buffer) { - cl_err(dev, cl, "allocation failed.\n"); list_del(&cb->list); return -ENOMEM; } @@ -149,10 +148,10 @@ static int mei_cl_irq_read_msg(struct mei_device *dev, break; } - dev_dbg(&dev->pdev->dev, "message read\n"); + dev_dbg(dev->dev, "message read\n"); if (!buffer) { mei_read_slots(dev, dev->rd_msg_buf, mei_hdr->length); - dev_dbg(&dev->pdev->dev, "discarding message " MEI_HDR_FMT "\n", + dev_dbg(dev->dev, "discarding message " MEI_HDR_FMT "\n", MEI_HDR_PRM(mei_hdr)); } @@ -166,7 +165,7 @@ static int mei_cl_irq_read_msg(struct mei_device *dev, * @cb: callback block. * @cmpl_list: complete list. * - * returns 0, OK; otherwise, error. + * Return: 0, OK; otherwise, error. */ static int mei_cl_irq_disconnect_rsp(struct mei_cl *cl, struct mei_cl_cb *cb, struct mei_cl_cb *cmpl_list) @@ -195,16 +194,16 @@ static int mei_cl_irq_disconnect_rsp(struct mei_cl *cl, struct mei_cl_cb *cb, /** - * mei_cl_irq_close - processes close related operation from + * mei_cl_irq_disconnect - processes close related operation from * interrupt thread context - send disconnect request * * @cl: client * @cb: callback block. * @cmpl_list: complete list. * - * returns 0, OK; otherwise, error. + * Return: 0, OK; otherwise, error. */ -static int mei_cl_irq_close(struct mei_cl *cl, struct mei_cl_cb *cb, +static int mei_cl_irq_disconnect(struct mei_cl *cl, struct mei_cl_cb *cb, struct mei_cl_cb *cmpl_list) { struct mei_device *dev = cl->dev; @@ -235,14 +234,14 @@ static int mei_cl_irq_close(struct mei_cl *cl, struct mei_cl_cb *cb, /** - * mei_cl_irq_close - processes client read related operation from the + * mei_cl_irq_read - processes client read related operation from the * interrupt thread context - request for flow control credits * * @cl: client * @cb: callback block. * @cmpl_list: complete list. * - * returns 0, OK; otherwise, error. + * Return: 0, OK; otherwise, error. */ static int mei_cl_irq_read(struct mei_cl *cl, struct mei_cl_cb *cb, struct mei_cl_cb *cmpl_list) @@ -279,7 +278,7 @@ static int mei_cl_irq_read(struct mei_cl *cl, struct mei_cl_cb *cb, * @cb: callback block. * @cmpl_list: complete list. * - * returns 0, OK; otherwise, error. + * Return: 0, OK; otherwise, error. */ static int mei_cl_irq_connect(struct mei_cl *cl, struct mei_cl_cb *cb, struct mei_cl_cb *cmpl_list) @@ -322,7 +321,7 @@ static int mei_cl_irq_connect(struct mei_cl *cl, struct mei_cl_cb *cb, * @cmpl_list: An instance of our list structure * @slots: slots to read. * - * returns 0 on success, <0 on failure. + * Return: 0 on success, <0 on failure. */ int mei_irq_read_handler(struct mei_device *dev, struct mei_cl_cb *cmpl_list, s32 *slots) @@ -334,20 +333,20 @@ int mei_irq_read_handler(struct mei_device *dev, if (!dev->rd_msg_hdr) { dev->rd_msg_hdr = mei_read_hdr(dev); (*slots)--; - dev_dbg(&dev->pdev->dev, "slots =%08x.\n", *slots); + dev_dbg(dev->dev, "slots =%08x.\n", *slots); } mei_hdr = (struct mei_msg_hdr *) &dev->rd_msg_hdr; - dev_dbg(&dev->pdev->dev, MEI_HDR_FMT, MEI_HDR_PRM(mei_hdr)); + dev_dbg(dev->dev, MEI_HDR_FMT, MEI_HDR_PRM(mei_hdr)); if (mei_hdr->reserved || !dev->rd_msg_hdr) { - dev_err(&dev->pdev->dev, "corrupted message header 0x%08X\n", + dev_err(dev->dev, "corrupted message header 0x%08X\n", dev->rd_msg_hdr); ret = -EBADMSG; goto end; } if (mei_slots2data(*slots) < mei_hdr->length) { - dev_err(&dev->pdev->dev, "less data available than length=%08x.\n", + dev_err(dev->dev, "less data available than length=%08x.\n", *slots); /* we can't read the message */ ret = -ENODATA; @@ -358,7 +357,7 @@ int mei_irq_read_handler(struct mei_device *dev, if (mei_hdr->host_addr == 0 && mei_hdr->me_addr == 0) { ret = mei_hbm_dispatch(dev, mei_hdr); if (ret) { - dev_dbg(&dev->pdev->dev, "mei_hbm_dispatch failed ret = %d\n", + dev_dbg(dev->dev, "mei_hbm_dispatch failed ret = %d\n", ret); goto end; } @@ -375,7 +374,7 @@ int mei_irq_read_handler(struct mei_device *dev, /* if no recipient cl was found we assume corrupted header */ if (&cl->link == &dev->file_list) { - dev_err(&dev->pdev->dev, "no destination client found 0x%08X\n", + dev_err(dev->dev, "no destination client found 0x%08X\n", dev->rd_msg_hdr); ret = -EBADMSG; goto end; @@ -387,14 +386,14 @@ int mei_irq_read_handler(struct mei_device *dev, ret = mei_amthif_irq_read_msg(dev, mei_hdr, cmpl_list); if (ret) { - dev_err(&dev->pdev->dev, "mei_amthif_irq_read_msg failed = %d\n", + dev_err(dev->dev, "mei_amthif_irq_read_msg failed = %d\n", ret); goto end; } } else { ret = mei_cl_irq_read_msg(dev, mei_hdr, cmpl_list); if (ret) { - dev_err(&dev->pdev->dev, "mei_cl_irq_read_msg failed = %d\n", + dev_err(dev->dev, "mei_cl_irq_read_msg failed = %d\n", ret); goto end; } @@ -407,7 +406,7 @@ reset_slots: if (*slots == -EOVERFLOW) { /* overflow - reset */ - dev_err(&dev->pdev->dev, "resetting due to slots overflow.\n"); + dev_err(dev->dev, "resetting due to slots overflow.\n"); /* set the event since message has been read */ ret = -ERANGE; goto end; @@ -425,7 +424,7 @@ EXPORT_SYMBOL_GPL(mei_irq_read_handler); * @dev: the device structure * @cmpl_list: An instance of our list structure * - * returns 0 on success, <0 on failure. + * Return: 0 on success, <0 on failure. */ int mei_irq_write_handler(struct mei_device *dev, struct mei_cl_cb *cmpl_list) { @@ -445,7 +444,7 @@ int mei_irq_write_handler(struct mei_device *dev, struct mei_cl_cb *cmpl_list) return -EMSGSIZE; /* complete all waiting for write CB */ - dev_dbg(&dev->pdev->dev, "complete all waiting for write cb.\n"); + dev_dbg(dev->dev, "complete all waiting for write cb.\n"); list = &dev->write_waiting_list; list_for_each_entry_safe(cb, next, &list->list, list) { @@ -487,7 +486,7 @@ 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"); + dev_dbg(dev->dev, "complete control write list cb.\n"); list_for_each_entry_safe(cb, next, &dev->ctrl_wr_list.list, list) { cl = cb->cl; if (!cl) { @@ -495,9 +494,9 @@ int mei_irq_write_handler(struct mei_device *dev, struct mei_cl_cb *cmpl_list) return -ENODEV; } switch (cb->fop_type) { - case MEI_FOP_CLOSE: + case MEI_FOP_DISCONNECT: /* send disconnect message */ - ret = mei_cl_irq_close(cl, cb, cmpl_list); + ret = mei_cl_irq_disconnect(cl, cb, cmpl_list); if (ret) return ret; @@ -528,7 +527,7 @@ 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"); + dev_dbg(dev->dev, "complete write list cb.\n"); list_for_each_entry_safe(cb, next, &dev->write_list.list, list) { cl = cb->cl; if (cl == NULL) @@ -556,8 +555,6 @@ void mei_timer(struct work_struct *work) { unsigned long timeout; struct mei_cl *cl; - struct mei_cl_cb *cb_pos = NULL; - struct mei_cl_cb *cb_next = NULL; struct mei_device *dev = container_of(work, struct mei_device, timer_work.work); @@ -571,7 +568,7 @@ void mei_timer(struct work_struct *work) if (dev->init_clients_timer) { if (--dev->init_clients_timer == 0) { - dev_err(&dev->pdev->dev, "timer: init clients timeout hbm_state = %d.\n", + dev_err(dev->dev, "timer: init clients timeout hbm_state = %d.\n", dev->hbm_state); mei_reset(dev); goto out; @@ -586,7 +583,7 @@ void mei_timer(struct work_struct *work) list_for_each_entry(cl, &dev->file_list, link) { if (cl->timer_count) { if (--cl->timer_count == 0) { - dev_err(&dev->pdev->dev, "timer: connect/disconnect timeout.\n"); + dev_err(dev->dev, "timer: connect/disconnect timeout.\n"); mei_reset(dev); goto out; } @@ -598,7 +595,7 @@ void mei_timer(struct work_struct *work) if (dev->iamthif_stall_timer) { if (--dev->iamthif_stall_timer == 0) { - dev_err(&dev->pdev->dev, "timer: amthif hanged.\n"); + dev_err(dev->dev, "timer: amthif hanged.\n"); mei_reset(dev); dev->iamthif_msg_buf_size = 0; dev->iamthif_msg_buf_index = 0; @@ -620,27 +617,20 @@ void mei_timer(struct work_struct *work) timeout = dev->iamthif_timer + mei_secs_to_jiffies(MEI_IAMTHIF_READ_TIMER); - dev_dbg(&dev->pdev->dev, "dev->iamthif_timer = %ld\n", + dev_dbg(dev->dev, "dev->iamthif_timer = %ld\n", dev->iamthif_timer); - dev_dbg(&dev->pdev->dev, "timeout = %ld\n", timeout); - dev_dbg(&dev->pdev->dev, "jiffies = %ld\n", jiffies); + dev_dbg(dev->dev, "timeout = %ld\n", timeout); + dev_dbg(dev->dev, "jiffies = %ld\n", jiffies); if (time_after(jiffies, timeout)) { /* * User didn't read the AMTHI data on time (15sec) * freeing AMTHI for other requests */ - dev_dbg(&dev->pdev->dev, "freeing AMTHI for other requests\n"); + dev_dbg(dev->dev, "freeing AMTHI for other requests\n"); - list_for_each_entry_safe(cb_pos, cb_next, - &dev->amthif_rd_complete_list.list, list) { - - cl = cb_pos->file_object->private_data; - - /* Finding the AMTHI entry. */ - if (cl == &dev->iamthif_cl) - list_del(&cb_pos->list); - } + mei_io_list_flush(&dev->amthif_rd_complete_list, + &dev->iamthif_cl); mei_io_cb_free(dev->iamthif_current_cb); dev->iamthif_current_cb = NULL; |