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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-20 10:16:07 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-20 10:16:07 +0800 |
| commit | 571949a40a9c00fdaa3d0256cf43c9e0c25ff2d1 (patch) | |
| tree | 7edcc302961329a7a3c4d2942f6c2300b4765345 /drivers/mmc/host/meson-gx-mmc.c | |
| parent | 21bdb3b071a7c6f34999545092bf15480ab95f49 (diff) | |
| parent | 41f1830f5a7af77cf5c86359aba3cbd706687e52 (diff) | |
Merge 4.12-rc6 into usb-next
We want the USB fixes in here.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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) { |