diff options
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-bitbang.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/drivers/spi/spi-bitbang.c b/drivers/spi/spi-bitbang.c index aef59b1a15f..f5ae6e960c7 100644 --- a/drivers/spi/spi-bitbang.c +++ b/drivers/spi/spi-bitbang.c @@ -346,17 +346,14 @@ static void bitbang_work(struct work_struct *work) if (t->delay_usecs) udelay(t->delay_usecs); - if (!cs_change) - continue; - if (t->transfer_list.next == &m->transfers) - break; - - /* sometimes a short mid-message deselect of the chip - * may be needed to terminate a mode or command - */ - ndelay(nsecs); - bitbang->chipselect(spi, BITBANG_CS_INACTIVE); - ndelay(nsecs); + if (cs_change && !list_is_last(&t->transfer_list, &m->transfers)) { + /* sometimes a short mid-message deselect of the chip + * may be needed to terminate a mode or command + */ + ndelay(nsecs); + bitbang->chipselect(spi, BITBANG_CS_INACTIVE); + ndelay(nsecs); + } } m->status = status; |