diff options
Diffstat (limited to 'drivers/smc91111.c')
| -rw-r--r-- | drivers/smc91111.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/smc91111.c b/drivers/smc91111.c index 652d859dc61..748830e01c2 100644 --- a/drivers/smc91111.c +++ b/drivers/smc91111.c @@ -317,6 +317,17 @@ static int poll4int( byte mask, int timeout ) { return 0; } +/* Only one release command at a time, please */ +static inline void smc_wait_mmu_release_complete(void) +{ + int count = 0; + /* assume bank 2 selected */ + while ( SMC_inw(MMU_CMD_REG) & MC_BUSY ) { + udelay(1); // Wait until not busy + if( ++count > 200) break; + } +} + /* . Function: smc_reset( void ) . Purpose: @@ -374,6 +385,7 @@ static void smc_reset( void ) /* Reset the MMU */ SMC_SELECT_BANK( 2 ); + smc_wait_mmu_release_complete(); SMC_outw( MC_RESET, MMU_CMD_REG ); while ( SMC_inw( MMU_CMD_REG ) & MC_BUSY ) udelay(1); /* Wait until not busy */ @@ -674,6 +686,8 @@ static int smc_open() /* SMC_SELECT_BANK(0); */ /* SMC_outw(0, RPC_REG); */ + SMC_SELECT_BANK(1); + #ifdef USE_32_BIT for ( i = 0; i < 6; i += 2 ) { word address; |