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dcdbas: export functionality for use in other drivers 

The dcdbas code allows calls to be made into the firmware on Dell systems.
 Exporting this to other drivers allows them to implement Dell-specific
functionality in a safe way.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Cc: Matt Domsch <Matt_Domsch@dell.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
wifi-calibration
Matthew Garrett 2009-01-07 18:08:54 -08:00 committed by Linus Torvalds
parent f06295b44c
commit 3cab7fd964
2 changed files with 7 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/firmware/dcdbas.c
View File

@ -238,11 +238,11 @@ static ssize_t host_control_on_shutdown_store(struct device *dev,
}
/**
* smi_request: generate SMI request
* dcdbas_smi_request: generate SMI request
*
* Called with smi_data_lock.
*/
static int smi_request(struct smi_cmd *smi_cmd)
int dcdbas_smi_request(struct smi_cmd *smi_cmd)
{
cpumask_t old_mask;
int ret = 0;
@ -309,14 +309,14 @@ static ssize_t smi_request_store(struct device *dev,
switch (val) {
case 2:
/* Raw SMI */
ret = smi_request(smi_cmd);
ret = dcdbas_smi_request(smi_cmd);
if (!ret)
ret = count;
break;
case 1:
/* Calling Interface SMI */
smi_cmd->ebx = (u32) virt_to_phys(smi_cmd->command_buffer);
ret = smi_request(smi_cmd);
ret = dcdbas_smi_request(smi_cmd);
if (!ret)
ret = count;
break;
@ -333,6 +333,7 @@ out:
mutex_unlock(&smi_data_lock);
return ret;
}
EXPORT_SYMBOL(dcdbas_smi_request);
/**
* host_control_smi: generate host control SMI

2
drivers/firmware/dcdbas.h
View File

@ -101,5 +101,7 @@ struct apm_cmd {
} __attribute__ ((packed)) parameters;
} __attribute__ ((packed));
int dcdbas_smi_request(struct smi_cmd *smi_cmd);
#endif /* _DCDBAS_H_ */