diff options
| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2021-03-17 12:16:20 +0300 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2021-03-30 12:42:05 +0300 |
| commit | ab0cdefec052825303c05687d9416bafc867fe3d (patch) | |
| tree | adf67c3026024d7dd15d44286576de59993d8600 /drivers/mmc/host | |
| parent | 08f3dff799d43bd2ec9d5e05c819ae3f253fe5cd (diff) | |
| download | linux-ab0cdefec052825303c05687d9416bafc867fe3d.tar.xz | |
mmc: tmio: abort DMA before reset
We will soon allow resetting the whole IP core via a reset controller.
For this case, DMA must be terminated before the actual reset. For the
other cases, it is probably better, too.
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20210317091622.31890-2-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host')
| -rw-r--r-- | drivers/mmc/host/tmio_mmc_core.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/mmc/host/tmio_mmc_core.c b/drivers/mmc/host/tmio_mmc_core.c index 5aa57640d0e6..eca767dcabba 100644 --- a/drivers/mmc/host/tmio_mmc_core.c +++ b/drivers/mmc/host/tmio_mmc_core.c @@ -172,11 +172,11 @@ static void tmio_mmc_reset(struct tmio_mmc_host *host) sd_ctrl_write16(host, CTL_RESET_SD, 0x0001); usleep_range(10000, 11000); + tmio_mmc_abort_dma(host); + if (host->reset) host->reset(host); - tmio_mmc_abort_dma(host); - if (host->pdata->flags & TMIO_MMC_SDIO_IRQ) { sd_ctrl_write16(host, CTL_SDIO_IRQ_MASK, host->sdio_irq_mask); sd_ctrl_write16(host, CTL_TRANSACTION_CTL, 0x0001); |