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Diffstat (limited to 'drivers/misc/mei/main.c')
-rw-r--r--drivers/misc/mei/main.c50
1 files changed, 4 insertions, 46 deletions
diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c
index 7de13891e49e..092330208869 100644
--- a/drivers/misc/mei/main.c
+++ b/drivers/misc/mei/main.c
@@ -714,13 +714,8 @@ static ssize_t mei_write(struct file *file, const char __user *ubuf,
if (rets && dev->mei_host_buffer_is_empty) {
rets = 0;
dev->mei_host_buffer_is_empty = false;
- if (length > ((((dev->host_hw_state & H_CBD) >> 24) *
- sizeof(u32)) - sizeof(struct mei_msg_hdr))) {
-
- mei_hdr.length =
- (((dev->host_hw_state & H_CBD) >> 24) *
- sizeof(u32)) -
- sizeof(struct mei_msg_hdr);
+ if (length > mei_hbuf_max_data(dev)) {
+ mei_hdr.length = mei_hbuf_max_data(dev);
mei_hdr.msg_complete = 0;
} else {
mei_hdr.length = length;
@@ -1147,7 +1142,7 @@ static int mei_pci_resume(struct device *device)
err = request_threaded_irq(pdev->irq,
NULL,
mei_interrupt_thread_handler,
- 0, mei_driver_name, dev);
+ IRQF_ONESHOT, mei_driver_name, dev);
else
err = request_threaded_irq(pdev->irq,
mei_interrupt_quick_handler,
@@ -1187,44 +1182,7 @@ static struct pci_driver mei_driver = {
.driver.pm = MEI_PM_OPS,
};
-/**
- * mei_init_module - Driver Registration Routine
- *
- * mei_init_module is the first routine called when the driver is
- * loaded. All it does is to register with the PCI subsystem.
- *
- * returns 0 on success, <0 on failure.
- */
-static int __init mei_init_module(void)
-{
- int ret;
-
- pr_debug("loading.\n");
- /* init pci module */
- ret = pci_register_driver(&mei_driver);
- if (ret < 0)
- pr_err("error registering driver.\n");
-
- return ret;
-}
-
-module_init(mei_init_module);
-
-/**
- * mei_exit_module - Driver Exit Cleanup Routine
- *
- * mei_exit_module is called just before the driver is removed
- * from memory.
- */
-static void __exit mei_exit_module(void)
-{
- pci_unregister_driver(&mei_driver);
-
- pr_debug("unloaded successfully.\n");
-}
-
-module_exit(mei_exit_module);
-
+module_pci_driver(mei_driver);
MODULE_AUTHOR("Intel Corporation");
MODULE_DESCRIPTION("Intel(R) Management Engine Interface");