diff options
Diffstat (limited to 'freebsd/sys/dev/mmc/mmcsd.c')
| -rw-r--r-- | freebsd/sys/dev/mmc/mmcsd.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/freebsd/sys/dev/mmc/mmcsd.c b/freebsd/sys/dev/mmc/mmcsd.c index 3960845c..ff517abc 100644 --- a/freebsd/sys/dev/mmc/mmcsd.c +++ b/freebsd/sys/dev/mmc/mmcsd.c @@ -546,6 +546,11 @@ mmcsd_attach(device_t dev) */ rev = ext_csd[EXT_CSD_REV]; +/* + * Cache flush functions are currently not available. Use of on-device cache can + * cause data loss. + */ +#ifndef __rtems__ /* * With revision 1.5 (MMC v4.5, EXT_CSD_REV == 6) and later, take * advantage of the device R/W cache if present and useage is not @@ -567,6 +572,7 @@ mmcsd_attach(device_t dev) sc->flags |= MMCSD_FLUSH_CACHE; } } +#endif /* * Ignore user-creatable enhanced user data area and general purpose @@ -1196,7 +1202,11 @@ mmcsd_ioctl_cmd(struct mmcsd_part *part, struct mmc_ioc_cmd *mic, int fflag) goto out; } if (len != 0) { +#ifndef __rtems__ dp = malloc(len, M_TEMP, M_WAITOK); +#else /* __rtems__ */ + dp = rtems_cache_aligned_malloc(len); +#endif /* __rtems__ */ err = copyin((void *)(uintptr_t)mic->data_ptr, dp, len); if (err != 0) goto out; |