2022-12-04 07:44:16

by Ryder Lee

[permalink] [raw]
Subject: [PATCH 1/2] wifi: mt76: mt7915: drop always true condition of __mt7915_reg_addr()

smatch warnings:
addr <= MT_CBTOP2_PHY_END(0xffffffff) is always true (<= u32max),
so drop it.

Fixes: c2bf05db6c78 ("mt76: mt7915: refine register definition")
Reported-by: kernel test robot <[email protected]>
Signed-off-by: Ryder Lee <[email protected]>
---
drivers/net/wireless/mediatek/mt76/mt7915/mmio.c | 2 +-
drivers/net/wireless/mediatek/mt76/mt7915/regs.h | 1 -
2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c b/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c
index 0a95c3da241b..52be55dff947 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c
@@ -495,7 +495,7 @@ static u32 __mt7915_reg_addr(struct mt7915_dev *dev, u32 addr)

if (dev_is_pci(dev->mt76.dev) &&
((addr >= MT_CBTOP1_PHY_START && addr <= MT_CBTOP1_PHY_END) ||
- (addr >= MT_CBTOP2_PHY_START && addr <= MT_CBTOP2_PHY_END)))
+ addr >= MT_CBTOP2_PHY_START))
return mt7915_reg_map_l1(dev, addr);

/* CONN_INFRA: covert to phyiscal addr and use layer 1 remap */
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/regs.h b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h
index aca1b2f1e9e3..7e0d86366c77 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/regs.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h
@@ -803,7 +803,6 @@ enum offs_rev {
#define MT_CBTOP1_PHY_START 0x70000000
#define MT_CBTOP1_PHY_END __REG(CBTOP1_PHY_END)
#define MT_CBTOP2_PHY_START 0xf0000000
-#define MT_CBTOP2_PHY_END 0xffffffff
#define MT_INFRA_MCU_START 0x7c000000
#define MT_INFRA_MCU_END __REG(INFRA_MCU_ADDR_END)
#define MT_CONN_INFRA_OFFSET(p) ((p) - MT_INFRA_BASE)
--
2.18.0