diff mbox series

[net-next,v2,09/10] net: freescale: ucc_geth: Introduce a helper to check Reduced modes

Message ID 20241114153603.307872-10-maxime.chevallier@bootlin.com (mailing list archive)
State Changes Requested
Delegated to: Netdev Maintainers
Headers show
Series net: freescale: ucc_geth: Phylink conversion | 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: 3 this patch: 3
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers warning 1 maintainers not CCed: andrew+netdev@lunn.ch
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: 3 this patch: 3
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 36 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 fail net-next-2024-11-14--21-00 (tests: 787)

Commit Message

Maxime Chevallier Nov. 14, 2024, 3:36 p.m. UTC
A number of parallel MII interfaces also exist in a "Reduced" mode,
usually with higher clock rates and fewer data lines, to ease the
hardware design. This is what the 'R' stands for in RGMII, RMII, RTBI,
RXAUI, etc.

The UCC Geth controller has a special configuration bit that needs to be
set when the MII mode is one of the supported reduced modes.

Add a local helper for that.

Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
---
V2: New patch

 drivers/net/ethernet/freescale/ucc_geth.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/ucc_geth.c
index 15d05b270b6e..ace332d51aa8 100644
--- a/drivers/net/ethernet/freescale/ucc_geth.c
+++ b/drivers/net/ethernet/freescale/ucc_geth.c
@@ -1258,6 +1258,13 @@  static int init_min_frame_len(u16 min_frame_length,
 	return 0;
 }
 
+static bool phy_interface_mode_is_reduced(phy_interface_t interface)
+{
+	return phy_interface_mode_is_rgmii(interface) ||
+	       interface == PHY_INTERFACE_MODE_RMII ||
+	       interface == PHY_INTERFACE_MODE_RTBI;
+}
+
 static int adjust_enet_interface(struct ucc_geth_private *ugeth)
 {
 	struct ucc_geth_info *ug_info;
@@ -1290,12 +1297,7 @@  static int adjust_enet_interface(struct ucc_geth_private *ugeth)
 	upsmr = in_be32(&uf_regs->upsmr);
 	upsmr &= ~(UCC_GETH_UPSMR_RPM | UCC_GETH_UPSMR_R10M |
 		   UCC_GETH_UPSMR_TBIM | UCC_GETH_UPSMR_RMM);
-	if ((ugeth->phy_interface == PHY_INTERFACE_MODE_RMII) ||
-	    (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII) ||
-	    (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_ID) ||
-	    (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
-	    (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) ||
-	    (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
+	if (phy_interface_mode_is_reduced(ugeth->phy_interface)) {
 		if (ugeth->phy_interface != PHY_INTERFACE_MODE_RMII)
 			upsmr |= UCC_GETH_UPSMR_RPM;
 		switch (ugeth->max_speed) {
@@ -1594,9 +1596,7 @@  static void ugeth_link_up(struct ucc_geth_private *ugeth,
 				    ~(MACCFG2_INTERFACE_MODE_MASK)) |
 				    MACCFG2_INTERFACE_MODE_NIBBLE);
 			/* if reduced mode, re-set UPSMR.R10M */
-			if (interface == PHY_INTERFACE_MODE_RMII ||
-			    phy_interface_mode_is_rgmii(interface) ||
-			    interface == PHY_INTERFACE_MODE_RTBI) {
+			if (phy_interface_mode_is_reduced(interface)) {
 				if (speed == SPEED_10)
 					upsmr |= UCC_GETH_UPSMR_R10M;
 				else