diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-09-30 19:21:53 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-09-30 19:21:53 +0300 |
commit | c710364f78afdef8c2ed07556d0743c5a30ed429 (patch) | |
tree | 38173e6818c3c2e4414a767dd81e60d1d9ff4309 /drivers/mmc/host/sdhci.c | |
parent | 97f9a3c4eee55b0178b518ae7114a6a53372913d (diff) | |
parent | e51df6ce668a8f75ce27f83ce0f60103c568c375 (diff) | |
download | linux-c710364f78afdef8c2ed07556d0743c5a30ed429.tar.xz |
Merge tag 'mmc-v5.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull more MMC updates from Ulf Hansson:
"A couple more updates/fixes for MMC:
- sdhci-pci: Add Genesys Logic GL975x support
- sdhci-tegra: Recover loss in throughput for DMA
- sdhci-of-esdhc: Fix DMA bug"
* tag 'mmc-v5.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: host: sdhci-pci: Add Genesys Logic GL975x support
mmc: tegra: Implement ->set_dma_mask()
mmc: sdhci: Let drivers define their DMA mask
mmc: sdhci-of-esdhc: set DMA snooping based on DMA coherence
mmc: sdhci: improve ADMA error reporting
Diffstat (limited to 'drivers/mmc/host/sdhci.c')
-rw-r--r-- | drivers/mmc/host/sdhci.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 4b297f397326..b056400e34b1 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -2874,6 +2874,7 @@ static void sdhci_cmd_irq(struct sdhci_host *host, u32 intmask, u32 *intmask_p) static void sdhci_adma_show_error(struct sdhci_host *host) { void *desc = host->adma_table; + dma_addr_t dma = host->adma_addr; sdhci_dumpregs(host); @@ -2881,18 +2882,21 @@ static void sdhci_adma_show_error(struct sdhci_host *host) struct sdhci_adma2_64_desc *dma_desc = desc; if (host->flags & SDHCI_USE_64_BIT_DMA) - DBG("%p: DMA 0x%08x%08x, LEN 0x%04x, Attr=0x%02x\n", - desc, le32_to_cpu(dma_desc->addr_hi), + SDHCI_DUMP("%08llx: DMA 0x%08x%08x, LEN 0x%04x, Attr=0x%02x\n", + (unsigned long long)dma, + le32_to_cpu(dma_desc->addr_hi), le32_to_cpu(dma_desc->addr_lo), le16_to_cpu(dma_desc->len), le16_to_cpu(dma_desc->cmd)); else - DBG("%p: DMA 0x%08x, LEN 0x%04x, Attr=0x%02x\n", - desc, le32_to_cpu(dma_desc->addr_lo), + SDHCI_DUMP("%08llx: DMA 0x%08x, LEN 0x%04x, Attr=0x%02x\n", + (unsigned long long)dma, + le32_to_cpu(dma_desc->addr_lo), le16_to_cpu(dma_desc->len), le16_to_cpu(dma_desc->cmd)); desc += host->desc_sz; + dma += host->desc_sz; if (dma_desc->cmd & cpu_to_le16(ADMA2_END)) break; @@ -2968,7 +2972,8 @@ static void sdhci_data_irq(struct sdhci_host *host, u32 intmask) != MMC_BUS_TEST_R) host->data->error = -EILSEQ; else if (intmask & SDHCI_INT_ADMA_ERROR) { - pr_err("%s: ADMA error\n", mmc_hostname(host->mmc)); + pr_err("%s: ADMA error: 0x%08x\n", mmc_hostname(host->mmc), + intmask); sdhci_adma_show_error(host); host->data->error = -EIO; if (host->ops->adma_workaround) @@ -3776,18 +3781,14 @@ int sdhci_setup_host(struct sdhci_host *host) host->flags &= ~SDHCI_USE_ADMA; } - /* - * It is assumed that a 64-bit capable device has set a 64-bit DMA mask - * and *must* do 64-bit DMA. A driver has the opportunity to change - * that during the first call to ->enable_dma(). Similarly - * SDHCI_QUIRK2_BROKEN_64_BIT_DMA must be left to the drivers to - * implement. - */ if (sdhci_can_64bit_dma(host)) host->flags |= SDHCI_USE_64_BIT_DMA; if (host->flags & (SDHCI_USE_SDMA | SDHCI_USE_ADMA)) { - ret = sdhci_set_dma_mask(host); + if (host->ops->set_dma_mask) + ret = host->ops->set_dma_mask(host); + else + ret = sdhci_set_dma_mask(host); if (!ret && host->ops->enable_dma) ret = host->ops->enable_dma(host); |