Patchwork [v9,8/8] ntb: ntb_hw_switchtec: Cleanup 64bit IO defines to use the common header

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Submitter Logan Gunthorpe
Date Dec. 5, 2017, 11:30 p.m.
Message ID <20171205233058.5365-9-logang@deltatee.com>
Download mbox | patch
Permalink /patch/10094135/
State Not Applicable
Delegated to: Herbert Xu
Headers show

Comments

Logan Gunthorpe - Dec. 5, 2017, 11:30 p.m.
Clean up the ifdefs which conditionally defined the io{read|write}64
functions in favour of the new common io-64-nonatomic-lo-hi header.

Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Cc: Jon Mason <jdmason@kudzu.us>
---
 drivers/ntb/hw/mscc/ntb_hw_switchtec.c | 30 +-----------------------------
 1 file changed, 1 insertion(+), 29 deletions(-)

Patch

diff --git a/drivers/ntb/hw/mscc/ntb_hw_switchtec.c b/drivers/ntb/hw/mscc/ntb_hw_switchtec.c
index afe8ed6f3b23..53d3a34cddf3 100644
--- a/drivers/ntb/hw/mscc/ntb_hw_switchtec.c
+++ b/drivers/ntb/hw/mscc/ntb_hw_switchtec.c
@@ -19,6 +19,7 @@ 
 #include <linux/kthread.h>
 #include <linux/interrupt.h>
 #include <linux/ntb.h>
+#include <linux/io-64-nonatomic-lo-hi.h>
 
 MODULE_DESCRIPTION("Microsemi Switchtec(tm) NTB Driver");
 MODULE_VERSION("0.1");
@@ -35,35 +36,6 @@  module_param(use_lut_mws, bool, 0644);
 MODULE_PARM_DESC(use_lut_mws,
 		 "Enable the use of the LUT based memory windows");
 
-#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
-
 #define SWITCHTEC_NTB_MAGIC 0x45CC0001
 #define MAX_MWS     128