diff options
Diffstat (limited to 'drivers/mmc/core/core.c')
| -rw-r--r-- | drivers/mmc/core/core.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 41b1e761965f..8b4dfd45433b 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -36,6 +36,9 @@ #include <linux/mmc/sd.h> #include <linux/mmc/slot-gpio.h> +#define CREATE_TRACE_POINTS +#include <trace/events/mmc.h> + #include "core.h" #include "bus.h" #include "host.h" @@ -140,6 +143,8 @@ void mmc_request_done(struct mmc_host *host, struct mmc_request *mrq) cmd->retries = 0; } + trace_mmc_request_done(host, mrq); + if (err && cmd->retries && !mmc_card_removed(host->card)) { /* * Request starter must handle retries - see @@ -215,6 +220,8 @@ static void __mmc_start_request(struct mmc_host *host, struct mmc_request *mrq) } } + trace_mmc_request_start(host, mrq); + host->ops->request(host, mrq); } @@ -868,11 +875,11 @@ void mmc_set_data_timeout(struct mmc_data *data, const struct mmc_card *card) /* * Some cards require longer data read timeout than indicated in CSD. * Address this by setting the read timeout to a "reasonably high" - * value. For the cards tested, 300ms has proven enough. If necessary, + * value. For the cards tested, 600ms has proven enough. If necessary, * this value can be increased if other problematic cards require this. */ if (mmc_card_long_read_time(card) && data->flags & MMC_DATA_READ) { - data->timeout_ns = 300000000; + data->timeout_ns = 600000000; data->timeout_clks = 0; } @@ -2449,8 +2456,9 @@ int mmc_hw_reset(struct mmc_host *host) ret = host->bus_ops->reset(host); mmc_bus_put(host); - if (ret != -EOPNOTSUPP) - pr_warn("%s: tried to reset card\n", mmc_hostname(host)); + if (ret) + pr_warn("%s: tried to reset card, got error %d\n", + mmc_hostname(host), ret); return ret; } |