diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-10-25 15:25:51 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-10-25 15:25:51 -0400 |
| commit | f64928480f7e4183688d2f9c6f8ae5834925b966 (patch) | |
| tree | 32c5c659d6c72a65de1f36b17057f616a3a9b5d1 | |
| parent | 39a38bcba4ab6e5285b07675b0e42c96eec35e67 (diff) | |
| parent | 2bb9f7566ba7ab3c2154964461e37b52cdc6b91b (diff) | |
| download | linux-f64928480f7e4183688d2f9c6f8ae5834925b966.tar.bz2 | |
Merge tag 'mmc-v5.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
"MMC host fixes:
- mxs: Fix flags passed to dmaengine_prep_slave_sg
- cqhci: Add a missing memory barrier
- sdhci-omap: Fix tuning procedure for temperatures < -20C"
* tag 'mmc-v5.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: mxs: fix flags passed to dmaengine_prep_slave_sg
mmc: cqhci: Commit descriptors before setting the doorbell
mmc: sdhci-omap: Fix Tuning procedure for temperatures < -20C
| -rw-r--r-- | drivers/mmc/host/cqhci.c | 3 | ||||
| -rw-r--r-- | drivers/mmc/host/mxs-mmc.c | 7 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci-omap.c | 2 |
3 files changed, 7 insertions, 5 deletions
diff --git a/drivers/mmc/host/cqhci.c b/drivers/mmc/host/cqhci.c index f7bdae5354c3..5047f7343ffc 100644 --- a/drivers/mmc/host/cqhci.c +++ b/drivers/mmc/host/cqhci.c @@ -611,7 +611,8 @@ static int cqhci_request(struct mmc_host *mmc, struct mmc_request *mrq) cq_host->slot[tag].flags = 0; cq_host->qcnt += 1; - + /* Make sure descriptors are ready before ringing the doorbell */ + wmb(); cqhci_writel(cq_host, 1 << tag, CQHCI_TDBR); if (!(cqhci_readl(cq_host, CQHCI_TDBR) & (1 << tag))) pr_debug("%s: cqhci: doorbell not set for tag %d\n", diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c index 78e7e350655c..4031217d21c3 100644 --- a/drivers/mmc/host/mxs-mmc.c +++ b/drivers/mmc/host/mxs-mmc.c @@ -17,6 +17,7 @@ #include <linux/interrupt.h> #include <linux/dma-mapping.h> #include <linux/dmaengine.h> +#include <linux/dma/mxs-dma.h> #include <linux/highmem.h> #include <linux/clk.h> #include <linux/err.h> @@ -266,7 +267,7 @@ static void mxs_mmc_bc(struct mxs_mmc_host *host) ssp->ssp_pio_words[2] = cmd1; ssp->dma_dir = DMA_NONE; ssp->slave_dirn = DMA_TRANS_NONE; - desc = mxs_mmc_prep_dma(host, DMA_CTRL_ACK); + desc = mxs_mmc_prep_dma(host, MXS_DMA_CTRL_WAIT4END); if (!desc) goto out; @@ -311,7 +312,7 @@ static void mxs_mmc_ac(struct mxs_mmc_host *host) ssp->ssp_pio_words[2] = cmd1; ssp->dma_dir = DMA_NONE; ssp->slave_dirn = DMA_TRANS_NONE; - desc = mxs_mmc_prep_dma(host, DMA_CTRL_ACK); + desc = mxs_mmc_prep_dma(host, MXS_DMA_CTRL_WAIT4END); if (!desc) goto out; @@ -441,7 +442,7 @@ static void mxs_mmc_adtc(struct mxs_mmc_host *host) host->data = data; ssp->dma_dir = dma_data_dir; ssp->slave_dirn = slave_dirn; - desc = mxs_mmc_prep_dma(host, DMA_PREP_INTERRUPT | DMA_CTRL_ACK); + desc = mxs_mmc_prep_dma(host, DMA_PREP_INTERRUPT | MXS_DMA_CTRL_WAIT4END); if (!desc) goto out; diff --git a/drivers/mmc/host/sdhci-omap.c b/drivers/mmc/host/sdhci-omap.c index 41c2677c587f..083e7e053c95 100644 --- a/drivers/mmc/host/sdhci-omap.c +++ b/drivers/mmc/host/sdhci-omap.c @@ -372,7 +372,7 @@ static int sdhci_omap_execute_tuning(struct mmc_host *mmc, u32 opcode) * on temperature */ if (temperature < -20000) - phase_delay = min(max_window + 4 * max_len - 24, + phase_delay = min(max_window + 4 * (max_len - 1) - 24, max_window + DIV_ROUND_UP(13 * max_len, 16) * 4); else if (temperature < 20000) |