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| author | Hans de Goede <hdegoede@redhat.com> | 2014-02-22 19:53:31 +0400 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2014-02-23 00:35:41 +0400 |
| commit | 156c5887948cd191417f18026aab9ce26e5a95da (patch) | |
| tree | 65100ae8c89fec69d8f949ceb9b9b413a6af3468 /drivers/ata/ahci.h | |
| parent | 039ece38da45f5e6a94be3aa7611cf3634bc2461 (diff) | |
| download | linux-156c5887948cd191417f18026aab9ce26e5a95da.tar.xz | |
ahci-platform: Add support for devices with more then 1 clock
The allwinner-sun4i AHCI controller needs 2 clocks to be enabled and the
imx AHCI controller needs 3 clocks to be enabled.
tj: Minor comment formatting updates.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'drivers/ata/ahci.h')
| -rw-r--r-- | drivers/ata/ahci.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h index 64d1a99de5e4..c12862bd48ee 100644 --- a/drivers/ata/ahci.h +++ b/drivers/ata/ahci.h @@ -51,6 +51,7 @@ enum { AHCI_MAX_PORTS = 32, + AHCI_MAX_CLKS = 3, AHCI_MAX_SG = 168, /* hardware max is 64K */ AHCI_DMA_BOUNDARY = 0xffffffff, AHCI_MAX_CMDS = 32, @@ -321,7 +322,7 @@ struct ahci_host_priv { u32 em_loc; /* enclosure management location */ u32 em_buf_sz; /* EM buffer size in byte */ u32 em_msg_type; /* EM message type */ - struct clk *clk; /* Only for platforms supporting clk */ + struct clk *clks[AHCI_MAX_CLKS]; /* Optional */ void *plat_data; /* Other platform data */ /* * Optional ahci_start_engine override, if not set this gets set to the |