diff options
| author | Adrian Hunter <adrian.hunter@intel.com> | 2017-03-13 15:36:38 +0300 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2017-04-24 22:42:02 +0300 |
| commit | 9d4579a85c84340044b10ffa6cd576397f59dc93 (patch) | |
| tree | e52b4118053ec75fe88ded78a0ac6b2ac7f3d2ff /drivers/mmc/core/mmc.c | |
| parent | b658af718465cd1e8011c8da281befdfc2debefd (diff) | |
| download | linux-9d4579a85c84340044b10ffa6cd576397f59dc93.tar.xz | |
mmc: mmc_test: Disable Command Queue while mmc_test is used
Normal read and write commands may not be used while the command queue is
enabled. Disable the Command Queue when mmc_test is probed and re-enable it
when it is removed.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Harjani Ritesh <riteshh@codeaurora.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/core/mmc.c')
| -rw-r--r-- | drivers/mmc/core/mmc.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 35b2d0f767ca..2c87dede5841 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -1790,6 +1790,13 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, } /* + * In some cases (e.g. RPMB or mmc_test), the Command Queue must be + * disabled for a time, so a flag is needed to indicate to re-enable the + * Command Queue. + */ + card->reenable_cmdq = card->ext_csd.cmdq_en; + + /* * The mandatory minimum values are defined for packed command. * read: 5, write: 3 */ |