diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/block/floppy.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index e080e1930cc..1264102cdcb 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -782,6 +782,12 @@ static inline int is_selected(int dor, int unit) return ((dor & (0x10 << unit)) && (dor & 3) == unit); } +static bool is_ready_state(int status) +{ + int state = status & (STATUS_READY | STATUS_DIR | STATUS_DMA); + return state == STATUS_READY; +} + static int set_dor(int fdc, char mask, char data) { unsigned char unit; @@ -823,8 +829,10 @@ static void twaddle(void) DRS->select_date = jiffies; } -/* reset all driver information about the current fdc. This is needed after - * a reset, and after a raw command. */ +/* + * Reset all driver information about the current fdc. + * This is needed after a reset, and after a raw command. + */ static void reset_fdc_info(int mode) { int drive; @@ -1162,7 +1170,8 @@ static int output_byte(char byte) if (status < 0) return -1; - if ((status & (STATUS_READY | STATUS_DIR | STATUS_DMA)) == STATUS_READY) { + + if (is_ready_state(status)) { fd_outb(byte, FD_DATA); #ifdef FLOPPY_SANITY_CHECK output_log[output_log_pos].data = byte; @@ -1221,8 +1230,10 @@ static int need_more_output(void) if (status < 0) return -1; - if ((status & (STATUS_READY | STATUS_DIR | STATUS_DMA)) == STATUS_READY) + + if (is_ready_state(status)) return MORE_OUTPUT; + return result(); } |