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| author | Ulf Hansson <ulf.hansson@linaro.org> | 2023-06-20 12:11:13 +0300 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2023-06-22 12:06:37 +0300 |
| commit | b1a665932dc23cad0b8af2745cd9713f9e930d63 (patch) | |
| tree | a4a75fe3768360097ab1d304137fcdf737c00633 /drivers/mmc/host/mmci.h | |
| parent | c467c8f081859d4f4ca4eee4fba54bb5d85d6c97 (diff) | |
| download | linux-b1a665932dc23cad0b8af2745cd9713f9e930d63.tar.xz | |
mmc: mmci: Add support for SW busy-end timeouts
The ux500 variant doesn't have a HW based timeout to use for busy-end IRQs.
To avoid hanging and waiting for the card to stop signaling busy, let's
schedule a delayed work, according to the corresponding cmd->busy_timeout
for the command. If the work gets to run, let's kick the IRQ handler to
complete the currently running request/command.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20230620091113.33393-1-ulf.hansson@linaro.org
Diffstat (limited to 'drivers/mmc/host/mmci.h')
| -rw-r--r-- | drivers/mmc/host/mmci.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h index 361954249d04..253197f132fc 100644 --- a/drivers/mmc/host/mmci.h +++ b/drivers/mmc/host/mmci.h @@ -397,7 +397,7 @@ struct mmci_host_ops { void (*dma_error)(struct mmci_host *host); void (*set_clkreg)(struct mmci_host *host, unsigned int desired); void (*set_pwrreg)(struct mmci_host *host, unsigned int pwr); - bool (*busy_complete)(struct mmci_host *host, u32 status, u32 err_msk); + bool (*busy_complete)(struct mmci_host *host, struct mmc_command *cmd, u32 status, u32 err_msk); void (*pre_sig_volt_switch)(struct mmci_host *host); int (*post_sig_volt_switch)(struct mmci_host *host, struct mmc_ios *ios); }; @@ -455,6 +455,7 @@ struct mmci_host { void *dma_priv; s32 next_cookie; + struct delayed_work ux500_busy_timeout_work; }; #define dma_inprogress(host) ((host)->dma_in_progress) |