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| author | Philip Rakity <prakity@marvell.com> | 2012-05-27 18:36:44 -0700 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2012-07-21 00:02:22 -0400 |
| commit | bad37e1ac6b1a73ed30702b24a45c27c4f53aada (patch) | |
| tree | f296dfee6adbb7c7b781285cd447b3aed53fa0ed /drivers/mmc/host/sdhci.h | |
| parent | e480606ad43bb72fd82a9bd99cdcf21829a6e9c0 (diff) | |
| download | blackbird-op-linux-bad37e1ac6b1a73ed30702b24a45c27c4f53aada.tar.gz blackbird-op-linux-bad37e1ac6b1a73ed30702b24a45c27c4f53aada.zip | |
mmc: sdhci: if MAX_CURRENT is 0, try getting current from regulator
The sd host controller spec indicates the the MAX_CURRENT value may
be returned as 0. In this case other methods need to be used to
return the current. If 0 is returned and there is a regulator,
ask the regulator for how much current is available.
Signed-off-by: Philip Rakity <prakity@marvell.com>
Signed-off-by: Mark F. Brown <mark.brown314@gmail.com>
Reviewed-by: Aaron Lu <aaron.lu@amd.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers/mmc/host/sdhci.h')
| -rw-r--r-- | drivers/mmc/host/sdhci.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index f761f23d2a28..97653ea8942b 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -205,6 +205,7 @@ #define SDHCI_CAPABILITIES_1 0x44 #define SDHCI_MAX_CURRENT 0x48 +#define SDHCI_MAX_CURRENT_LIMIT 0xFF #define SDHCI_MAX_CURRENT_330_MASK 0x0000FF #define SDHCI_MAX_CURRENT_330_SHIFT 0 #define SDHCI_MAX_CURRENT_300_MASK 0x00FF00 |
