From: Dinh Nguyen dinguyen@kernel.org
There is no dependency on doing a separate clrbits first in the dwmac_deassert_reset function. Combine them into a single clrsetbits call.
Signed-off-by: Dinh Nguyen dinguyen@opensource.altera.com --- arch/arm/mach-socfpga/misc.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/arch/arm/mach-socfpga/misc.c b/arch/arm/mach-socfpga/misc.c index 517f629..e8bd3cf 100644 --- a/arch/arm/mach-socfpga/misc.c +++ b/arch/arm/mach-socfpga/misc.c @@ -100,13 +100,10 @@ static void dwmac_deassert_reset(const unsigned int of_reset_id) return; }
- /* Clearing emac0 PHY interface select to 0 */ - clrbits_le32(&sysmgr_regs->emacgrp_ctrl, - SYSMGR_EMACGRP_CTRL_PHYSEL_MASK << physhift); - /* configure to PHY interface select choosed */ - setbits_le32(&sysmgr_regs->emacgrp_ctrl, - SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_RGMII << physhift); + clrsetbits_le32(&sysmgr_regs->emacgrp_ctrl, + SYSMGR_EMACGRP_CTRL_PHYSEL_MASK << physhift, + SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_RGMII << physhift);
/* Release the EMAC controller from reset */ socfpga_per_reset(reset, 0);