diff options
| author | Eddie James <[email protected]> | 2018-02-12 15:45:43 +1030 |
|---|---|---|
| committer | Greg Kroah-Hartman <[email protected]> | 2018-03-14 19:11:00 +0100 |
| commit | 99f039e97bf8aa045d719b8e0a39ecdf396e362a (patch) | |
| tree | b7b4c84b517be1e0ac17db07451517dc3d234059 | |
| parent | b8bd146d38da5f4e683929412d59f93ad4d961c5 (diff) | |
fsi: Fix one and two byte bus reads/writes
Address checker fixed to allow one and two byte reads/writes.
Address alignments for each size verified.
Signed-off-by: Edward James <[email protected]>
Signed-off-by: Christopher Bostic <[email protected]>
Acked-by: Jeremy Kerr <[email protected]>
Signed-off-by: Joel Stanley <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
| -rw-r--r-- | drivers/fsi/fsi-core.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/fsi/fsi-core.c b/drivers/fsi/fsi-core.c index 6e5aa9b26665..e5dfece248a5 100644 --- a/drivers/fsi/fsi-core.c +++ b/drivers/fsi/fsi-core.c @@ -656,10 +656,13 @@ static int fsi_slave_init(struct fsi_master *master, int link, uint8_t id) /* FSI master support */ static int fsi_check_access(uint32_t addr, size_t size) { - if (size != 1 && size != 2 && size != 4) - return -EINVAL; - - if ((addr & 0x3) != (size & 0x3)) + if (size == 4) { + if (addr & 0x3) + return -EINVAL; + } else if (size == 2) { + if (addr & 0x1) + return -EINVAL; + } else if (size != 1) return -EINVAL; return 0; |