diff options
Diffstat (limited to 'drivers/ide/ide-taskfile.c')
| -rw-r--r-- | drivers/ide/ide-taskfile.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c index 34b9872f35d..dabb88b1cbe 100644 --- a/drivers/ide/ide-taskfile.c +++ b/drivers/ide/ide-taskfile.c @@ -11,6 +11,7 @@ #include <linux/types.h> #include <linux/string.h> #include <linux/kernel.h> +#include <linux/export.h> #include <linux/sched.h> #include <linux/interrupt.h> #include <linux/errno.h> @@ -201,7 +202,7 @@ static u8 wait_drive_not_busy(ide_drive_t *drive) u8 stat; /* - * Last sector was transfered, wait until device is ready. This can + * Last sector was transferred, wait until device is ready. This can * take up to 6 ms on some ATAPI devices, so we will wait max 10 ms. */ for (retries = 0; retries < 1000; retries++) { @@ -238,9 +239,6 @@ void ide_pio_bytes(ide_drive_t *drive, struct ide_cmd *cmd, unsigned nr_bytes = min(len, cursg->length - cmd->cursg_ofs); int page_is_high; - if (nr_bytes > PAGE_SIZE) - nr_bytes = PAGE_SIZE; - page = sg_page(cursg); offset = cursg->offset + cmd->cursg_ofs; @@ -248,11 +246,13 @@ void ide_pio_bytes(ide_drive_t *drive, struct ide_cmd *cmd, page = nth_page(page, (offset >> PAGE_SHIFT)); offset %= PAGE_SIZE; + nr_bytes = min_t(unsigned, nr_bytes, (PAGE_SIZE - offset)); + page_is_high = PageHighMem(page); if (page_is_high) local_irq_save(flags); - buf = kmap_atomic(page, KM_BIO_SRC_IRQ) + offset; + buf = kmap_atomic(page) + offset; cmd->nleft -= nr_bytes; cmd->cursg_ofs += nr_bytes; @@ -268,7 +268,7 @@ void ide_pio_bytes(ide_drive_t *drive, struct ide_cmd *cmd, else hwif->tp_ops->input_data(drive, cmd, buf, nr_bytes); - kunmap_atomic(buf, KM_BIO_SRC_IRQ); + kunmap_atomic(buf); if (page_is_high) local_irq_restore(flags); |