lkml.org 
[lkml]   [2017]   [Sep]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH V9 05/15] mmc: mmc: Enable CQE's
    Date
    Enable or disable CQE when a card is added or removed respectively.

    Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
    ---
    drivers/mmc/core/bus.c | 7 +++++++
    drivers/mmc/core/mmc.c | 12 ++++++++++++
    2 files changed, 19 insertions(+)

    diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c
    index 301246513a37..a4b49e25fe96 100644
    --- a/drivers/mmc/core/bus.c
    +++ b/drivers/mmc/core/bus.c
    @@ -369,10 +369,17 @@ int mmc_add_card(struct mmc_card *card)
    */
    void mmc_remove_card(struct mmc_card *card)
    {
    + struct mmc_host *host = card->host;
    +
    #ifdef CONFIG_DEBUG_FS
    mmc_remove_card_debugfs(card);
    #endif

    + if (host->cqe_enabled) {
    + host->cqe_ops->cqe_disable(host);
    + host->cqe_enabled = false;
    + }
    +
    if (mmc_card_present(card)) {
    if (mmc_host_is_spi(card->host)) {
    pr_info("%s: SPI card removed\n",
    diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
    index 454a5079a90f..de817ac80383 100644
    --- a/drivers/mmc/core/mmc.c
    +++ b/drivers/mmc/core/mmc.c
    @@ -1807,6 +1807,18 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
    */
    card->reenable_cmdq = card->ext_csd.cmdq_en;

    + if (card->ext_csd.cmdq_en && !host->cqe_enabled) {
    + err = host->cqe_ops->cqe_enable(host, card);
    + if (err) {
    + pr_err("%s: Failed to enable CQE, error %d\n",
    + mmc_hostname(host), err);
    + } else {
    + host->cqe_enabled = true;
    + pr_info("%s: Command Queue Engine enabled\n",
    + mmc_hostname(host));
    + }
    + }
    +
    if (!oldcard)
    host->card = card;

    --
    1.9.1
    \
     
     \ /
      Last update: 2017-09-22 14:47    [W:3.728 / U:0.264 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site