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NTB: Correct Number of Scratch Pad Registers

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commit 87034511519815259e37336f52edf06d114d43b6 upstream.

The NTB Xeon hardware has 16 scratch pad registers and 16 back-to-back
scratch pad registers.  Correct the #define to represent this and update
the variable names to reflect their usage.

Signed-off-by: Jon Mason <jon.mason@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jon Mason 2013-07-15 15:26:14 -07:00 committed by Greg Kroah-Hartman
parent 2172056291
commit 576db18cb6
2 changed files with 3 additions and 3 deletions
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2
drivers/ntb/ntb_hw.c
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@ -547,7 +547,7 @@ static int ntb_xeon_setup(struct ntb_device *ndev)
if (ndev->conn_type == NTB_CONN_B2B) {
ndev->reg_ofs.sdb = ndev->reg_base + SNB_B2B_DOORBELL_OFFSET;
ndev->reg_ofs.spad_write = ndev->reg_base + SNB_B2B_SPAD_OFFSET;
ndev->limits.max_spads = SNB_MAX_SPADS;
ndev->limits.max_spads = SNB_MAX_B2B_SPADS;
} else {
ndev->reg_ofs.sdb = ndev->reg_base + SNB_SDOORBELL_OFFSET;
ndev->reg_ofs.spad_write = ndev->reg_base + SNB_SPAD_OFFSET;

4
drivers/ntb/ntb_regs.h
View file

@ -53,8 +53,8 @@
#define NTB_LINK_WIDTH_MASK 0x03f0
#define SNB_MSIX_CNT 4
#define SNB_MAX_SPADS 16
#define SNB_MAX_COMPAT_SPADS 8
#define SNB_MAX_B2B_SPADS 16
#define SNB_MAX_COMPAT_SPADS 16
/* Reserve the uppermost bit for link interrupt */
#define SNB_MAX_DB_BITS 15
#define SNB_DB_BITS_PER_VEC 5