diff options
| author | Adrian Hunter <adrian.hunter@intel.com> | 2017-08-10 15:08:09 +0300 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2017-08-30 16:03:33 +0300 |
| commit | 3e207c8cfaa900590590d2dfdbc5be155f258d7b (patch) | |
| tree | 27e4e90bd954cbfed7e8566da863f2a2eafe3793 /drivers/mmc | |
| parent | d3bf68ae04c7e29ed3c30b7f4b1f0c6a4a11c7f1 (diff) | |
| download | linux-3e207c8cfaa900590590d2dfdbc5be155f258d7b.tar.xz | |
mmc: core: Turn off CQE before sending commands
CQE needs to be off for the host controller to accept non-CQ commands. Turn
off the CQE before sending commands, and ensure it is off in any reset or
power management paths, or re-tuning.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/core/core.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 5dd1c00d95f5..66c9cf49ad2f 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -260,6 +260,9 @@ static void __mmc_start_request(struct mmc_host *host, struct mmc_request *mrq) trace_mmc_request_start(host, mrq); + if (host->cqe_on) + host->cqe_ops->cqe_off(host); + host->ops->request(host, mrq); } @@ -979,6 +982,9 @@ int mmc_execute_tuning(struct mmc_card *card) if (!host->ops->execute_tuning) return 0; + if (host->cqe_on) + host->cqe_ops->cqe_off(host); + if (mmc_card_mmc(card)) opcode = MMC_SEND_TUNING_BLOCK_HS200; else @@ -1018,6 +1024,9 @@ void mmc_set_bus_width(struct mmc_host *host, unsigned int width) */ void mmc_set_initial_state(struct mmc_host *host) { + if (host->cqe_on) + host->cqe_ops->cqe_off(host); + mmc_retune_disable(host); if (mmc_host_is_spi(host)) |