Re: [PATCH net-next 5/8] net: eth: altera: tse: Move common functions to altera_utils

2018-11-15 Thread Thor Thayer

On 11/14/18 6:50 PM, Dalon Westergreen wrote:

From: Dalon Westergreen 

Move request_and_map and other shared functions to altera_utils. This
is the first step to moving common code out of tse specific code so
that it can be shared with future altera ethernet ip.

Signed-off-by: Dalon Westergreen 
---
  drivers/net/ethernet/altera/altera_tse.h  | 45 --
  .../net/ethernet/altera/altera_tse_ethtool.c  |  1 +
  drivers/net/ethernet/altera/altera_tse_main.c | 32 +
  drivers/net/ethernet/altera/altera_utils.c| 30 
  drivers/net/ethernet/altera/altera_utils.h| 46 +++
  5 files changed, 78 insertions(+), 76 deletions(-)

diff --git a/drivers/net/ethernet/altera/altera_tse.h 
b/drivers/net/ethernet/altera/altera_tse.h
index 7f246040135d..f435fb0eca90 100644
--- a/drivers/net/ethernet/altera/altera_tse.h
+++ b/drivers/net/ethernet/altera/altera_tse.h
@@ -500,49 +500,4 @@ struct altera_tse_private {
   */
  void altera_tse_set_ethtool_ops(struct net_device *);
  
-static inline

-u32 csrrd32(void __iomem *mac, size_t offs)
-{
-   void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
-   return readl(paddr);
-}
-
-static inline
-u16 csrrd16(void __iomem *mac, size_t offs)
-{
-   void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
-   return readw(paddr);
-}
-
-static inline
-u8 csrrd8(void __iomem *mac, size_t offs)
-{
-   void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
-   return readb(paddr);
-}
-
-static inline
-void csrwr32(u32 val, void __iomem *mac, size_t offs)
-{
-   void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
-
-   writel(val, paddr);
-}
-
-static inline
-void csrwr16(u16 val, void __iomem *mac, size_t offs)
-{
-   void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
-
-   writew(val, paddr);
-}
-
-static inline
-void csrwr8(u8 val, void __iomem *mac, size_t offs)
-{
-   void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
-
-   writeb(val, paddr);
-}
-
  #endif /* __ALTERA_TSE_H__ */
diff --git a/drivers/net/ethernet/altera/altera_tse_ethtool.c 
b/drivers/net/ethernet/altera/altera_tse_ethtool.c
index 7c367713c3e6..2998655ab316 100644
--- a/drivers/net/ethernet/altera/altera_tse_ethtool.c
+++ b/drivers/net/ethernet/altera/altera_tse_ethtool.c
@@ -33,6 +33,7 @@
  #include 
  
  #include "altera_tse.h"

+#include "altera_utils.h"
  
  #define TSE_STATS_LEN	31

  #define TSE_NUM_REGS  128
diff --git a/drivers/net/ethernet/altera/altera_tse_main.c 
b/drivers/net/ethernet/altera/altera_tse_main.c
index f6b6a14b1ce9..b25d03506470 100644
--- a/drivers/net/ethernet/altera/altera_tse_main.c
+++ b/drivers/net/ethernet/altera/altera_tse_main.c
@@ -34,7 +34,6 @@
  #include 
  #include 
  #include 
-#include 
  #include 
  #include 
  #include 
@@ -44,7 +43,7 @@
  #include 
  #include 
  #include 
-#include 
+#include 
  #include 
  #include 
  
@@ -1332,35 +1331,6 @@ static struct net_device_ops altera_tse_netdev_ops = {

.ndo_validate_addr  = eth_validate_addr,
  };
  
-static int request_and_map(struct platform_device *pdev, const char *name,

-  struct resource **res, void __iomem **ptr)
-{
-   struct resource *region;
-   struct device *device = >dev;
-
-   *res = platform_get_resource_byname(pdev, IORESOURCE_MEM, name);
-   if (*res == NULL) {
-   dev_err(device, "resource %s not defined\n", name);
-   return -ENODEV;
-   }
-
-   region = devm_request_mem_region(device, (*res)->start,
-resource_size(*res), dev_name(device));
-   if (region == NULL) {
-   dev_err(device, "unable to request %s\n", name);
-   return -EBUSY;
-   }
-
-   *ptr = devm_ioremap_nocache(device, region->start,
-   resource_size(region));
-   if (*ptr == NULL) {
-   dev_err(device, "ioremap_nocache of %s failed!", name);
-   return -ENOMEM;
-   }
-
-   return 0;
-}
-
  /* Probe Altera TSE MAC device
   */
  static int altera_tse_probe(struct platform_device *pdev)
diff --git a/drivers/net/ethernet/altera/altera_utils.c 
b/drivers/net/ethernet/altera/altera_utils.c
index d7eeb1713ad2..bc33b7f0b0c5 100644
--- a/drivers/net/ethernet/altera/altera_utils.c
+++ b/drivers/net/ethernet/altera/altera_utils.c
@@ -42,3 +42,33 @@ int tse_bit_is_clear(void __iomem *ioaddr, size_t offs, u32 
bit_mask)
u32 value = csrrd32(ioaddr, offs);
return (value & bit_mask) ? 0 : 1;
  }
+
+int request_and_map(struct platform_device *pdev, const char *name,
+   struct resource **res, void __iomem **ptr)
+{
+   struct resource *region;
+   struct device *device = >dev;
+
+   *res = platform_get_resource_byname(pdev, IORESOURCE_MEM, name);
+   if (!*res) {
+   dev_err(device, "resource %s not 

[PATCH net-next 5/8] net: eth: altera: tse: Move common functions to altera_utils

2018-11-14 Thread Dalon Westergreen
From: Dalon Westergreen 

Move request_and_map and other shared functions to altera_utils. This
is the first step to moving common code out of tse specific code so
that it can be shared with future altera ethernet ip.

Signed-off-by: Dalon Westergreen 
---
 drivers/net/ethernet/altera/altera_tse.h  | 45 --
 .../net/ethernet/altera/altera_tse_ethtool.c  |  1 +
 drivers/net/ethernet/altera/altera_tse_main.c | 32 +
 drivers/net/ethernet/altera/altera_utils.c| 30 
 drivers/net/ethernet/altera/altera_utils.h| 46 +++
 5 files changed, 78 insertions(+), 76 deletions(-)

diff --git a/drivers/net/ethernet/altera/altera_tse.h 
b/drivers/net/ethernet/altera/altera_tse.h
index 7f246040135d..f435fb0eca90 100644
--- a/drivers/net/ethernet/altera/altera_tse.h
+++ b/drivers/net/ethernet/altera/altera_tse.h
@@ -500,49 +500,4 @@ struct altera_tse_private {
  */
 void altera_tse_set_ethtool_ops(struct net_device *);
 
-static inline
-u32 csrrd32(void __iomem *mac, size_t offs)
-{
-   void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
-   return readl(paddr);
-}
-
-static inline
-u16 csrrd16(void __iomem *mac, size_t offs)
-{
-   void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
-   return readw(paddr);
-}
-
-static inline
-u8 csrrd8(void __iomem *mac, size_t offs)
-{
-   void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
-   return readb(paddr);
-}
-
-static inline
-void csrwr32(u32 val, void __iomem *mac, size_t offs)
-{
-   void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
-
-   writel(val, paddr);
-}
-
-static inline
-void csrwr16(u16 val, void __iomem *mac, size_t offs)
-{
-   void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
-
-   writew(val, paddr);
-}
-
-static inline
-void csrwr8(u8 val, void __iomem *mac, size_t offs)
-{
-   void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
-
-   writeb(val, paddr);
-}
-
 #endif /* __ALTERA_TSE_H__ */
diff --git a/drivers/net/ethernet/altera/altera_tse_ethtool.c 
b/drivers/net/ethernet/altera/altera_tse_ethtool.c
index 7c367713c3e6..2998655ab316 100644
--- a/drivers/net/ethernet/altera/altera_tse_ethtool.c
+++ b/drivers/net/ethernet/altera/altera_tse_ethtool.c
@@ -33,6 +33,7 @@
 #include 
 
 #include "altera_tse.h"
+#include "altera_utils.h"
 
 #define TSE_STATS_LEN  31
 #define TSE_NUM_REGS   128
diff --git a/drivers/net/ethernet/altera/altera_tse_main.c 
b/drivers/net/ethernet/altera/altera_tse_main.c
index f6b6a14b1ce9..b25d03506470 100644
--- a/drivers/net/ethernet/altera/altera_tse_main.c
+++ b/drivers/net/ethernet/altera/altera_tse_main.c
@@ -34,7 +34,6 @@
 #include 
 #include 
 #include 
-#include 
 #include 
 #include 
 #include 
@@ -44,7 +43,7 @@
 #include 
 #include 
 #include 
-#include 
+#include 
 #include 
 #include 
 
@@ -1332,35 +1331,6 @@ static struct net_device_ops altera_tse_netdev_ops = {
.ndo_validate_addr  = eth_validate_addr,
 };
 
-static int request_and_map(struct platform_device *pdev, const char *name,
-  struct resource **res, void __iomem **ptr)
-{
-   struct resource *region;
-   struct device *device = >dev;
-
-   *res = platform_get_resource_byname(pdev, IORESOURCE_MEM, name);
-   if (*res == NULL) {
-   dev_err(device, "resource %s not defined\n", name);
-   return -ENODEV;
-   }
-
-   region = devm_request_mem_region(device, (*res)->start,
-resource_size(*res), dev_name(device));
-   if (region == NULL) {
-   dev_err(device, "unable to request %s\n", name);
-   return -EBUSY;
-   }
-
-   *ptr = devm_ioremap_nocache(device, region->start,
-   resource_size(region));
-   if (*ptr == NULL) {
-   dev_err(device, "ioremap_nocache of %s failed!", name);
-   return -ENOMEM;
-   }
-
-   return 0;
-}
-
 /* Probe Altera TSE MAC device
  */
 static int altera_tse_probe(struct platform_device *pdev)
diff --git a/drivers/net/ethernet/altera/altera_utils.c 
b/drivers/net/ethernet/altera/altera_utils.c
index d7eeb1713ad2..bc33b7f0b0c5 100644
--- a/drivers/net/ethernet/altera/altera_utils.c
+++ b/drivers/net/ethernet/altera/altera_utils.c
@@ -42,3 +42,33 @@ int tse_bit_is_clear(void __iomem *ioaddr, size_t offs, u32 
bit_mask)
u32 value = csrrd32(ioaddr, offs);
return (value & bit_mask) ? 0 : 1;
 }
+
+int request_and_map(struct platform_device *pdev, const char *name,
+   struct resource **res, void __iomem **ptr)
+{
+   struct resource *region;
+   struct device *device = >dev;
+
+   *res = platform_get_resource_byname(pdev, IORESOURCE_MEM, name);
+   if (!*res) {
+   dev_err(device, "resource %s not defined\n", name);
+   return -ENODEV;
+   }
+
+   region =