diff options
| author | Ulf Hansson <ulf.hansson@linaro.org> | 2018-12-10 17:52:36 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-12-29 13:39:09 +0100 |
| commit | 8af6fad484c24e9d5b6b8f32ab9cfb262dfcbe21 (patch) | |
| tree | e9b9598bfc6a8aef8d841e24dfac8571de22127d | |
| parent | fe646761cb20a36ed395c323d47db5139db509a7 (diff) | |
mmc: core: Reset HPI enabled state during re-init and in case of errors
commit a0741ba40a009f97c019ae7541dc61c1fdf41efb upstream.
During a re-initialization of the eMMC card, we may fail to re-enable HPI.
In these cases, that isn't properly reflected in the card->ext_csd.hpi_en
bit, as it keeps being set. This may cause following attempts to use HPI,
even if's not enabled. Let's fix this!
Fixes: eb0d8f135b67 ("mmc: core: support HPI send command")
Cc: <stable@vger.kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/mmc/core/mmc.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index bad5c1bf4ed9..914ea8d6c54a 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -1755,9 +1755,11 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, if (err) { pr_warn("%s: Enabling HPI failed\n", mmc_hostname(card->host)); + card->ext_csd.hpi_en = 0; err = 0; - } else + } else { card->ext_csd.hpi_en = 1; + } } /* |