diff mbox series

[net-next,v2,3/3] net: phy: mediatek-ge-soc: Propagate error code correctly in cal_cycle()

Message ID 20241017032213.22256-4-SkyLake.Huang@mediatek.com (mailing list archive)
State Accepted
Commit 93a610c00ffd8b9c7c108039d894ddd5193b147e
Delegated to: Netdev Maintainers
Headers show
Series net: phy: Refactor mediatek-ge-soc.c for clarity and correctness | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 5 this patch: 5
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 14 of 14 maintainers
netdev/build_clang success Errors and warnings before: 3 this patch: 3
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 4 this patch: 4
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 20 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
netdev/contest success net-next-2024-10-19--00-00 (tests: 777)

Commit Message

SkyLake Huang (黃啟澤) Oct. 17, 2024, 3:22 a.m. UTC 
From: "SkyLake.Huang" <skylake.huang@mediatek.com>

This patch propagates error code correctly in cal_cycle()
and improve with FIELD_GET().

Signed-off-by: SkyLake.Huang <skylake.huang@mediatek.com>
---
 drivers/net/phy/mediatek-ge-soc.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

Comments

Simon Horman Oct. 17, 2024, 2:19 p.m. UTC | #1 
On Thu, Oct 17, 2024 at 11:22:13AM +0800, Sky Huang wrote:
> From: "SkyLake.Huang" <skylake.huang@mediatek.com>
> 
> This patch propagates error code correctly in cal_cycle()
> and improve with FIELD_GET().
> 
> Signed-off-by: SkyLake.Huang <skylake.huang@mediatek.com>

Reviewed-by: Simon Horman <horms@kernel.org>
diff mbox series

Patch

diff --git a/drivers/net/phy/mediatek-ge-soc.c b/drivers/net/phy/mediatek-ge-soc.c
index 1d7719b..a931832 100644
--- a/drivers/net/phy/mediatek-ge-soc.c
+++ b/drivers/net/phy/mediatek-ge-soc.c
@@ -110,7 +110,7 @@ 
 #define   MTK_PHY_CR_TX_AMP_OFFSET_D_MASK	GENMASK(6, 0)
 
 #define MTK_PHY_RG_AD_CAL_COMP			0x17a
-#define   MTK_PHY_AD_CAL_COMP_OUT_SHIFT		(8)
+#define   MTK_PHY_AD_CAL_COMP_OUT_MASK		GENMASK(8, 8)
 
 #define MTK_PHY_RG_AD_CAL_CLK			0x17b
 #define   MTK_PHY_DA_CAL_CLK			BIT(0)
@@ -351,8 +351,10 @@  static int cal_cycle(struct phy_device *phydev, int devad,
 
 	phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_AD_CALIN,
 			   MTK_PHY_DA_CALIN_FLAG);
-	ret = phy_read_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_AD_CAL_COMP) >>
-			   MTK_PHY_AD_CAL_COMP_OUT_SHIFT;
+	ret = phy_read_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_AD_CAL_COMP);
+	if (ret < 0)
+		return ret;
+	ret = FIELD_GET(MTK_PHY_AD_CAL_COMP_OUT_MASK, ret);
 	phydev_dbg(phydev, "cal_val: 0x%x, ret: %d\n", cal_val, ret);
 
 	return ret;