From: Jon Mason Date: Mon, 15 Jul 2013 22:26:14 +0000 (-0700) Subject: NTB: Correct Number of Scratch Pad Registers X-Git-Url: http://git.mmlx.us/?a=commitdiff_plain;h=576db18cb68483e6e54f18dfda4b9c24f7e07dfe;p=linux-edison.git NTB: Correct Number of Scratch Pad Registers 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 Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/ntb/ntb_hw.c b/drivers/ntb/ntb_hw.c index 515099ee12f..3b0ab50e2d5 100644 --- a/drivers/ntb/ntb_hw.c +++ b/drivers/ntb/ntb_hw.c @@ -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; diff --git a/drivers/ntb/ntb_regs.h b/drivers/ntb/ntb_regs.h index 5bfa8c06c05..96209b4abc2 100644 --- a/drivers/ntb/ntb_regs.h +++ b/drivers/ntb/ntb_regs.h @@ -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