diff options
| author | Simon Glass <sjg@chromium.org> | 2016-02-29 15:25:56 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2016-03-14 15:34:50 -0600 |
| commit | 7ded959e4d5b93c10a8b57a0a391fb35cefb85ce (patch) | |
| tree | 84bd5d2819b7b53a2f6d61557aaf35061f35dfb3 /drivers | |
| parent | 09d71aac7b530f03ec29cc9d5787047460a629ca (diff) | |
dm: sandbox: Prepare block driver for driver-model conversion
Make a few minor changes to make it easier to add driver-model support.
Signed-off-by: Simon Glass <sjg@chromium.org>
Tested-by: Stephen Warren <swarren@nvidia.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/block/sandbox.c | 30 |
1 files changed, 14 insertions, 16 deletions
diff --git a/drivers/block/sandbox.c b/drivers/block/sandbox.c index 14d3e38ef20..dde9d6845f7 100644 --- a/drivers/block/sandbox.c +++ b/drivers/block/sandbox.c @@ -31,16 +31,15 @@ static unsigned long host_block_read(struct blk_desc *block_dev, if (!host_dev) return -1; - if (os_lseek(host_dev->fd, - start * host_dev->blk_dev.blksz, - OS_SEEK_SET) == -1) { - printf("ERROR: Invalid position\n"); + + if (os_lseek(host_dev->fd, start * block_dev->blksz, OS_SEEK_SET) == + -1) { + printf("ERROR: Invalid block %lx\n", start); return -1; } - ssize_t len = os_read(host_dev->fd, buffer, - blkcnt * host_dev->blk_dev.blksz); + ssize_t len = os_read(host_dev->fd, buffer, blkcnt * block_dev->blksz); if (len >= 0) - return len / host_dev->blk_dev.blksz; + return len / block_dev->blksz; return -1; } @@ -50,16 +49,15 @@ static unsigned long host_block_write(struct blk_desc *block_dev, { int dev = block_dev->devnum; struct host_block_dev *host_dev = find_host_device(dev); - if (os_lseek(host_dev->fd, - start * host_dev->blk_dev.blksz, - OS_SEEK_SET) == -1) { - printf("ERROR: Invalid position\n"); + + if (os_lseek(host_dev->fd, start * block_dev->blksz, OS_SEEK_SET) == + -1) { + printf("ERROR: Invalid block %lx\n", start); return -1; } - ssize_t len = os_write(host_dev->fd, buffer, blkcnt * - host_dev->blk_dev.blksz); + ssize_t len = os_write(host_dev->fd, buffer, blkcnt * block_dev->blksz); if (len >= 0) - return len / host_dev->blk_dev.blksz; + return len / block_dev->blksz; return -1; } @@ -103,9 +101,9 @@ int host_dev_bind(int dev, char *filename) return 0; } -int host_get_dev_err(int dev, struct blk_desc **blk_devp) +int host_get_dev_err(int devnum, struct blk_desc **blk_devp) { - struct host_block_dev *host_dev = find_host_device(dev); + struct host_block_dev *host_dev = find_host_device(devnum); if (!host_dev) return -ENODEV; |