diff options
| author | Victor Shih <victor.shih@genesyslogic.com.tw> | 2024-10-18 18:53:18 +0800 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2024-10-24 14:22:24 +0200 |
| commit | 9a9f7e13952b2638bc57bc9b34e6bdd106509836 (patch) | |
| tree | 467adc5b9dd8597b5f0fb9458fcc164f6ac74c30 /drivers/mmc/core/sd_ops.c | |
| parent | mmc: mmc_spi: drop buggy snprintf() (diff) | |
| download | linux-9a9f7e13952b2638bc57bc9b34e6bdd106509836.tar.gz linux-9a9f7e13952b2638bc57bc9b34e6bdd106509836.zip | |
mmc: core: Support UHS-II card control and access
Embed UHS-II access/control functionality into the MMC request
processing flow.
Signed-off-by: Jason Lai <jason.lai@genesyslogic.com.tw>
Signed-off-by: Victor Shih <victor.shih@genesyslogic.com.tw>
Message-ID: <20241018105333.4569-2-victorshihgli@gmail.com>
[Ulf: A couple of cleanups and fixed sd_uhs2_power_off()]
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/core/sd_ops.c')
| -rw-r--r-- | drivers/mmc/core/sd_ops.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/mmc/core/sd_ops.c b/drivers/mmc/core/sd_ops.c index 50d1380e93b8..cd86463dd306 100644 --- a/drivers/mmc/core/sd_ops.c +++ b/drivers/mmc/core/sd_ops.c @@ -42,6 +42,15 @@ int mmc_app_cmd(struct mmc_host *host, struct mmc_card *card) if (WARN_ON(card && card->host != host)) return -EINVAL; + /* + * UHS2 packet has APP bit so only set APP_CMD flag here. + * Will set the APP bit when assembling UHS2 packet. + */ + if (host->uhs2_sd_tran) { + host->uhs2_app_cmd = true; + return 0; + } + cmd.opcode = MMC_APP_CMD; if (card) { |