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| author | Logan Gunthorpe <logang@deltatee.com> | 2019-01-16 11:25:22 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-01-22 13:39:59 +0100 |
| commit | 0795ccde5c7632a692713ef0d8490171c1eb3ffb (patch) | |
| tree | 948fd7d9ed216c2de3520941ef4d1bfea338e563 /drivers/ntb | |
| parent | c81d64d3dc1f2decf8f3a9354416b7496b5c389b (diff) | |
| download | linux-stable-0795ccde5c7632a692713ef0d8490171c1eb3ffb.tar.gz linux-stable-0795ccde5c7632a692713ef0d8490171c1eb3ffb.tar.bz2 linux-stable-0795ccde5c7632a692713ef0d8490171c1eb3ffb.zip | |
ntb: ntb_hw_intel: use io-64-nonatomic instead of in-driver hacks
Now that ioread64 and iowrite64 are available in io-64-nonatomic,
we can remove the hack at the top of ntb_hw_intel.c and replace it
with an include.
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Dave Jiang <dave.jiang@intel.com>
Acked-by: Allen Hubbe <Allen.Hubbe@dell.com>
Acked-by: Jon Mason <jdmason@kudzu.us>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/ntb')
| -rw-r--r-- | drivers/ntb/hw/intel/ntb_hw_intel.h | 30 |
1 files changed, 1 insertions, 29 deletions
diff --git a/drivers/ntb/hw/intel/ntb_hw_intel.h b/drivers/ntb/hw/intel/ntb_hw_intel.h index c49ff8970ce3..e071e28bca3f 100644 --- a/drivers/ntb/hw/intel/ntb_hw_intel.h +++ b/drivers/ntb/hw/intel/ntb_hw_intel.h @@ -53,6 +53,7 @@ #include <linux/ntb.h> #include <linux/pci.h> +#include <linux/io-64-nonatomic-lo-hi.h> /* PCI device IDs */ #define PCI_DEVICE_ID_INTEL_NTB_B2B_JSF 0x3725 @@ -218,33 +219,4 @@ static inline int pdev_is_gen3(struct pci_dev *pdev) return 0; } -#ifndef ioread64 -#ifdef readq -#define ioread64 readq -#else -#define ioread64 _ioread64 -static inline u64 _ioread64(void __iomem *mmio) -{ - u64 low, high; - - low = ioread32(mmio); - high = ioread32(mmio + sizeof(u32)); - return low | (high << 32); -} -#endif -#endif - -#ifndef iowrite64 -#ifdef writeq -#define iowrite64 writeq -#else -#define iowrite64 _iowrite64 -static inline void _iowrite64(u64 val, void __iomem *mmio) -{ - iowrite32(val, mmio); - iowrite32(val >> 32, mmio + sizeof(u32)); -} -#endif -#endif - #endif |