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author | Christian Mauderer <christian.mauderer@embedded-brains.de> | 2021-04-13 13:55:11 +0200 |
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committer | Christian Mauderer <christian.mauderer@embedded-brains.de> | 2021-04-19 09:02:22 +0200 |
commit | 00a5f9748e3c6757140efda393cd474881e2c7fa (patch) | |
tree | 3a9ca8f241b4abd3a7626356b6f8016fc8b3bc25 | |
parent | STM32H7: Fix SDMMC build for all other BSPs (diff) | |
download | rtems-libbsd-00a5f9748e3c6757140efda393cd474881e2c7fa.tar.bz2 |
MMCSD: Use cache aligned alloc for ioctl
Some drivers can't easily work with buffers that are not cache aligned
and have an arbitrary length. Therefore use an aligned malloc instead.
-rw-r--r-- | freebsd/sys/dev/mmc/mmcsd.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/freebsd/sys/dev/mmc/mmcsd.c b/freebsd/sys/dev/mmc/mmcsd.c index 21f54046..bd45b419 100644 --- a/freebsd/sys/dev/mmc/mmcsd.c +++ b/freebsd/sys/dev/mmc/mmcsd.c @@ -1196,7 +1196,11 @@ 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; |