Messages in this thread Patch in this message | | | From | Baolin Wang <> | Subject | [PATCH v8 2/5] mmc: core: Enable the MMC host software queue for the SD card | Date | Wed, 5 Feb 2020 20:50:29 +0800 |
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From: Baolin Wang <baolin.wang@linaro.org>
Enable the MMC host software queue for the SD card if the host controller supports the MMC host software queue.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Baolin Wang <baolin.wang7@gmail.com> --- drivers/mmc/core/sd.c | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c index fe914ff..76c7add 100644 --- a/drivers/mmc/core/sd.c +++ b/drivers/mmc/core/sd.c @@ -1082,6 +1082,16 @@ static int mmc_sd_init_card(struct mmc_host *host, u32 ocr, } } + if (host->cqe_ops && !host->cqe_enabled) { + err = host->cqe_ops->cqe_enable(host, card); + if (!err) { + host->cqe_enabled = true; + host->hsq_enabled = true; + pr_info("%s: Host Software Queue enabled\n", + mmc_hostname(host)); + } + } + if (host->caps2 & MMC_CAP2_AVOID_3_3V && host->ios.signal_voltage == MMC_SIGNAL_VOLTAGE_330) { pr_err("%s: Host failed to negotiate down from 3.3V\n", -- 1.7.9.5
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