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Added friendly enable/disable functions

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This commit is contained in:
Michael Brown
2005-04-22 02:43:24 +00:00
parent 924143661a
commit 97346a75f7
4 changed files with 24 additions and 9 deletions
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7
src/drivers/bus/eisa.c
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@@ -155,10 +155,10 @@ void eisa_fill_nic ( struct nic *nic, struct eisa_device *eisa ) {
}
/*
* Reset and enable an EISA device
* Reset and enable/disable an EISA device
*
*/
void enable_eisa_device ( struct eisa_device *eisa ) {
void eisa_device_enabled ( struct eisa_device *eisa, int enabled ) {
/* Set reset line high for 1000 <20>s. Spec says 500 <20>s, but
* this doesn't work for all cards, so we are conservative.
*/
@@ -168,6 +168,7 @@ void enable_eisa_device ( struct eisa_device *eisa ) {
/* Set reset low and write a 1 to ENABLE. Delay again, in
* case the card takes a while to wake up.
*/
outb ( EISA_CMD_ENABLE, eisa->ioaddr + EISA_GLOBAL_CONFIG );
outb ( enabled ? EISA_CMD_ENABLE : 0,
eisa->ioaddr + EISA_GLOBAL_CONFIG );
udelay ( 1000 ); /* Must wait 800 */
}