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| author | Thomas Gleixner <tglx@linutronix.de> | 2017-06-21 09:07:52 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2017-06-21 09:07:52 +0200 |
| commit | f0cd9ae5d0df8668e76359a3e0e99856aa9c53b9 (patch) | |
| tree | 84d3297b16fa7e373f2eabef56cd12ae5a9b8a29 /drivers/mmc/host/meson-gx-mmc.c | |
| parent | 098b0e01a91c42aaaf0425605cd126b03fcb0bcf (diff) | |
| parent | 8e6cec1c7c5afa489687c90be15d6ed82c742975 (diff) | |
Merge branch 'timers/urgent' into timers/core
Pick up dependent changes.
Diffstat (limited to 'drivers/mmc/host/meson-gx-mmc.c')
| -rw-r--r-- | drivers/mmc/host/meson-gx-mmc.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c index 1842ed341af1..de962c2d5e00 100644 --- a/drivers/mmc/host/meson-gx-mmc.c +++ b/drivers/mmc/host/meson-gx-mmc.c @@ -210,6 +210,15 @@ static void meson_mmc_get_transfer_mode(struct mmc_host *mmc, int i; bool use_desc_chain_mode = true; + /* + * Broken SDIO with AP6255-based WiFi on Khadas VIM Pro has been + * reported. For some strange reason this occurs in descriptor + * chain mode only. So let's fall back to bounce buffer mode + * for command SD_IO_RW_EXTENDED. + */ + if (mrq->cmd->opcode == SD_IO_RW_EXTENDED) + return; + for_each_sg(data->sg, sg, data->sg_len, i) /* check for 8 byte alignment */ if (sg->offset & 7) { |