diff options
| author | Christoph Hellwig <hch@lst.de> | 2021-02-04 17:02:14 +0100 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2021-02-20 16:13:19 +0100 |
| commit | 66e8d3b8995c05cb1e17b120f52e0218bc534a49 (patch) | |
| tree | c53496e5138ffe5e1cd6bd3a401708476007c00f /drivers/mmc/host/sdhci.c | |
| parent | Linux 5.11-rc6 (diff) | |
| download | linux-66e8d3b8995c05cb1e17b120f52e0218bc534a49.tar.xz linux-66e8d3b8995c05cb1e17b120f52e0218bc534a49.zip | |
sdhci: stop poking into swiotlb internals
Use the proper API to query the max mapping size instead of guessing
it based on swiotlb internals.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'drivers/mmc/host/sdhci.c')
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 646823ddd317..2d73407ee52e 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -20,7 +20,6 @@ #include <linux/slab.h> #include <linux/scatterlist.h> #include <linux/sizes.h> -#include <linux/swiotlb.h> #include <linux/regulator/consumer.h> #include <linux/pm_runtime.h> #include <linux/of.h> @@ -4582,12 +4581,8 @@ int sdhci_setup_host(struct sdhci_host *host) mmc->max_segs = SDHCI_MAX_SEGS; } else if (host->flags & SDHCI_USE_SDMA) { mmc->max_segs = 1; - if (swiotlb_max_segment()) { - unsigned int max_req_size = (1 << IO_TLB_SHIFT) * - IO_TLB_SEGSIZE; - mmc->max_req_size = min(mmc->max_req_size, - max_req_size); - } + mmc->max_req_size = min_t(size_t, mmc->max_req_size, + dma_max_mapping_size(mmc_dev(mmc))); } else { /* PIO */ mmc->max_segs = SDHCI_MAX_SEGS; } |