diff mbox

[net-next,03/14] i40e/i40evf: Force a shifted '1' to be unsigned

Message ID 1404355233-30123-4-git-send-email-jeffrey.t.kirsher@intel.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Kirsher, Jeffrey T July 3, 2014, 2:40 a.m. UTC 
From: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>

Force a shifted '1' to be unsiged to avoid shifting a signed int

Change-ID: I688cbd082af0f2e1df548fda25847a5ca04babcf
Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
---
 drivers/net/ethernet/intel/i40e/i40e_hmc.h   | 4 ++--
 drivers/net/ethernet/intel/i40evf/i40e_hmc.h | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

Comments

Joe Perches July 3, 2014, 3:34 a.m. UTC | #1 
On Wed, 2014-07-02 at 19:40 -0700, Jeff Kirsher wrote:
> Force a shifted '1' to be unsiged to avoid shifting a signed int

It doesn't make a difference, but it's up to you.

> diff --git a/drivers/net/ethernet/intel/i40e/i40e_hmc.h b/drivers/net/ethernet/intel/i40e/i40e_hmc.h
[]
> @@ -127,7 +127,7 @@ struct i40e_hmc_info {
>  		((((type) == I40E_SD_TYPE_PAGED) ? 0 : 1) <<		\
>  		I40E_PFHMC_SDDATALOW_PMSDTYPE_SHIFT) |			\
>  		(1 << I40E_PFHMC_SDDATALOW_PMSDVALID_SHIFT);		\
> -	val3 = (sd_index) | (1 << I40E_PFHMC_SDCMD_PMSDWR_SHIFT);	\
> +	val3 = (sd_index) | (1u << I40E_PFHMC_SDCMD_PMSDWR_SHIFT);	\
>  	wr32((hw), I40E_PFHMC_SDDATAHIGH, val1);			\
>  	wr32((hw), I40E_PFHMC_SDDATALOW, val2);				\
>  	wr32((hw), I40E_PFHMC_SDCMD, val3);				\


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diff mbox

Patch

diff --git a/drivers/net/ethernet/intel/i40e/i40e_hmc.h b/drivers/net/ethernet/intel/i40e/i40e_hmc.h
index b45d8fe..732a026 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_hmc.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_hmc.h
@@ -127,7 +127,7 @@  struct i40e_hmc_info {
 		((((type) == I40E_SD_TYPE_PAGED) ? 0 : 1) <<		\
 		I40E_PFHMC_SDDATALOW_PMSDTYPE_SHIFT) |			\
 		(1 << I40E_PFHMC_SDDATALOW_PMSDVALID_SHIFT);		\
-	val3 = (sd_index) | (1 << I40E_PFHMC_SDCMD_PMSDWR_SHIFT);	\
+	val3 = (sd_index) | (1u << I40E_PFHMC_SDCMD_PMSDWR_SHIFT);	\
 	wr32((hw), I40E_PFHMC_SDDATAHIGH, val1);			\
 	wr32((hw), I40E_PFHMC_SDDATALOW, val2);				\
 	wr32((hw), I40E_PFHMC_SDCMD, val3);				\
@@ -146,7 +146,7 @@  struct i40e_hmc_info {
 		I40E_PFHMC_SDDATALOW_PMSDBPCOUNT_SHIFT) |		\
 		((((type) == I40E_SD_TYPE_PAGED) ? 0 : 1) <<		\
 		I40E_PFHMC_SDDATALOW_PMSDTYPE_SHIFT);			\
-	val3 = (sd_index) | (1 << I40E_PFHMC_SDCMD_PMSDWR_SHIFT);	\
+	val3 = (sd_index) | (1u << I40E_PFHMC_SDCMD_PMSDWR_SHIFT);	\
 	wr32((hw), I40E_PFHMC_SDDATAHIGH, 0);				\
 	wr32((hw), I40E_PFHMC_SDDATALOW, val2);				\
 	wr32((hw), I40E_PFHMC_SDCMD, val3);				\
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_hmc.h b/drivers/net/ethernet/intel/i40evf/i40e_hmc.h
index a2ad9a4..931c880 100644
--- a/drivers/net/ethernet/intel/i40evf/i40e_hmc.h
+++ b/drivers/net/ethernet/intel/i40evf/i40e_hmc.h
@@ -127,7 +127,7 @@  struct i40e_hmc_info {
 		((((type) == I40E_SD_TYPE_PAGED) ? 0 : 1) <<		\
 		I40E_PFHMC_SDDATALOW_PMSDTYPE_SHIFT) |			\
 		(1 << I40E_PFHMC_SDDATALOW_PMSDVALID_SHIFT);		\
-	val3 = (sd_index) | (1 << I40E_PFHMC_SDCMD_PMSDWR_SHIFT);	\
+	val3 = (sd_index) | (1u << I40E_PFHMC_SDCMD_PMSDWR_SHIFT);	\
 	wr32((hw), I40E_PFHMC_SDDATAHIGH, val1);			\
 	wr32((hw), I40E_PFHMC_SDDATALOW, val2);				\
 	wr32((hw), I40E_PFHMC_SDCMD, val3);				\
@@ -146,7 +146,7 @@  struct i40e_hmc_info {
 		I40E_PFHMC_SDDATALOW_PMSDBPCOUNT_SHIFT) |		\
 		((((type) == I40E_SD_TYPE_PAGED) ? 0 : 1) <<		\
 		I40E_PFHMC_SDDATALOW_PMSDTYPE_SHIFT);			\
-	val3 = (sd_index) | (1 << I40E_PFHMC_SDCMD_PMSDWR_SHIFT);	\
+	val3 = (sd_index) | (1u << I40E_PFHMC_SDCMD_PMSDWR_SHIFT);	\
 	wr32((hw), I40E_PFHMC_SDDATAHIGH, 0);				\
 	wr32((hw), I40E_PFHMC_SDDATALOW, val2);				\
 	wr32((hw), I40E_PFHMC_SDCMD, val3);				\