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| author | Adrian Hunter <adrian.hunter@intel.com> | 2014-11-04 12:42:43 +0200 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2014-11-10 12:40:52 +0100 |
| commit | 4fb213f81fe51ace7dea7d2f7cc2417fa2a2dd9e (patch) | |
| tree | c6d5a9bbb6d31ca9a72c77025f85b1fa4336f06f /drivers/mmc/host/sdhci.h | |
| parent | 76fe379acaeb857f91705f3bd5c6f69ec13872a9 (diff) | |
| download | linux-4fb213f81fe51ace7dea7d2f7cc2417fa2a2dd9e.tar.bz2 | |
mmc: sdhci: Define maximum segments
Define the maximum number of segments instead of
having the constant 128 appearing in the code in
various places.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host/sdhci.h')
| -rw-r--r-- | drivers/mmc/host/sdhci.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index 31896a779d4e..6ae75cdd5f41 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -266,6 +266,12 @@ #define SDHCI_DEFAULT_BOUNDARY_SIZE (512 * 1024) #define SDHCI_DEFAULT_BOUNDARY_ARG (ilog2(SDHCI_DEFAULT_BOUNDARY_SIZE) - 12) +/* + * Maximum segments assuming a 512KiB maximum requisition size and a minimum + * 4KiB page size. + */ +#define SDHCI_MAX_SEGS 128 + struct sdhci_ops { #ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS u32 (*read_l)(struct sdhci_host *host, int reg); |