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Message-ID: <25c7965e6aeeb6bbe1b6be5a3c2c7125182fcb02.1691130766.git.christophe.leroy@csgroup.eu>
Date: Fri, 4 Aug 2023 08:39:26 +0200
From: Christophe Leroy <christophe.leroy@...roup.eu>
To: "David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Pantelis Antoniou <pantelis.antoniou@...il.com>,
Eric Dumazet <edumazet@...gle.com>,
Paolo Abeni <pabeni@...hat.com>
Cc: Christophe Leroy <christophe.leroy@...roup.eu>,
linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: [PATCH net-next v1 02/10] net: fs_enet: Fix address space and base types mismatches
CHECK drivers/net/ethernet/freescale/fs_enet/mac-fcc.c
drivers/net/ethernet/freescale/fs_enet/mac-fcc.c:550:9: warning: cast removes address space '__iomem' of expression
drivers/net/ethernet/freescale/fs_enet/mac-fcc.c:550:9: error: subtraction of different types can't work (different address spaces)
CC drivers/net/ethernet/freescale/fs_enet/mii-bitbang.o
CHECK drivers/net/ethernet/freescale/fs_enet/mii-bitbang.c
drivers/net/ethernet/freescale/fs_enet/mii-bitbang.c:95:31: warning: incorrect type in argument 1 (different base types)
drivers/net/ethernet/freescale/fs_enet/mii-bitbang.c:95:31: expected unsigned int [noderef] [usertype] __iomem *p
drivers/net/ethernet/freescale/fs_enet/mii-bitbang.c:95:31: got restricted __be32 [noderef] [usertype] __iomem *dat
...
drivers/net/ethernet/freescale/fs_enet/mii-bitbang.c:63:31: warning: incorrect type in argument 1 (different base types)
drivers/net/ethernet/freescale/fs_enet/mii-bitbang.c:63:31: expected unsigned int [noderef] [usertype] __iomem *p
drivers/net/ethernet/freescale/fs_enet/mii-bitbang.c:63:31: got restricted __be32 [noderef] [usertype] __iomem *dir
...
Fix those address space and base type mismatches reported by sparse.
Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
drivers/net/ethernet/freescale/fs_enet/mac-fcc.c | 2 +-
drivers/net/ethernet/freescale/fs_enet/mii-bitbang.c | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/freescale/fs_enet/mac-fcc.c b/drivers/net/ethernet/freescale/fs_enet/mac-fcc.c
index 925428f1b0c8..ce63fd56df89 100644
--- a/drivers/net/ethernet/freescale/fs_enet/mac-fcc.c
+++ b/drivers/net/ethernet/freescale/fs_enet/mac-fcc.c
@@ -547,7 +547,7 @@ static void tx_restart(struct net_device *dev)
}
/* Now update the TBPTR and dirty flag to the current buffer */
W32(ep, fen_genfcc.fcc_tbptr,
- (uint) (((void *)recheck_bd - fep->ring_base) +
+ (uint)(((void __iomem *)recheck_bd - fep->ring_base) +
fep->ring_mem_addr));
fep->dirty_tx = recheck_bd;
diff --git a/drivers/net/ethernet/freescale/fs_enet/mii-bitbang.c b/drivers/net/ethernet/freescale/fs_enet/mii-bitbang.c
index 91a69fc2f7c2..f965a2329055 100644
--- a/drivers/net/ethernet/freescale/fs_enet/mii-bitbang.c
+++ b/drivers/net/ethernet/freescale/fs_enet/mii-bitbang.c
@@ -29,8 +29,8 @@
struct bb_info {
struct mdiobb_ctrl ctrl;
- __be32 __iomem *dir;
- __be32 __iomem *dat;
+ u32 __iomem *dir;
+ u32 __iomem *dat;
u32 mdio_msk;
u32 mdc_msk;
};
--
2.41.0
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