i40e: fix shift precedence issue
authorShannon Nelson <shannon.nelson@intel.com>
Sat, 21 Feb 2015 06:41:47 +0000 (06:41 +0000)
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>
Thu, 26 Feb 2015 12:53:57 +0000 (04:53 -0800)
Add parens to make sure the shift and bitwise precedences don't work backwards
for us.

Change-ID: I60c10ef4fad6bc654522b9d8a53da2e270a0f268
Reported-by: Joe Perches <joe@perches.com>
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Tested-by: Jim Young <james.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
drivers/net/ethernet/intel/i40e/i40e_common.c
drivers/net/ethernet/intel/i40e/i40e_dcb_nl.c

index 11a9ffebf8d88acdfd5b738baab62bd2b34aa30a..2a705a1162275a5e51a6352d80d7380857a2676d 100644 (file)
@@ -868,8 +868,9 @@ i40e_status i40e_pf_reset(struct i40e_hw *hw)
         * The grst delay value is in 100ms units, and we'll wait a
         * couple counts longer to be sure we don't just miss the end.
         */
-       grst_del = rd32(hw, I40E_GLGEN_RSTCTL) & I40E_GLGEN_RSTCTL_GRSTDEL_MASK
-                       >> I40E_GLGEN_RSTCTL_GRSTDEL_SHIFT;
+       grst_del = (rd32(hw, I40E_GLGEN_RSTCTL) &
+                   I40E_GLGEN_RSTCTL_GRSTDEL_MASK) >>
+                   I40E_GLGEN_RSTCTL_GRSTDEL_SHIFT;
        for (cnt = 0; cnt < grst_del + 2; cnt++) {
                reg = rd32(hw, I40E_GLGEN_RSTAT);
                if (!(reg & I40E_GLGEN_RSTAT_DEVSTATE_MASK))
index 183dcb63ce98e14e5b504bed9874911b35ae18d3..a11c70ca5a2811c84cc094ac425b93ec0b840d5d 100644 (file)
@@ -40,7 +40,7 @@ static void i40e_get_pfc_delay(struct i40e_hw *hw, u16 *delay)
        u32 val;
 
        val = rd32(hw, I40E_PRTDCB_GENC);
-       *delay = (u16)(val & I40E_PRTDCB_GENC_PFCLDA_MASK >>
+       *delay = (u16)((val & I40E_PRTDCB_GENC_PFCLDA_MASK) >>
                       I40E_PRTDCB_GENC_PFCLDA_SHIFT);
 }