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[net-next,v2,2/3] net: bcmgenet: Pass "main" clock down to the MDIO driver

Message ID 20240219204053.471825-3-florian.fainelli@broadcom.com (mailing list archive)
State Accepted
Commit ee2b4cf8b281606bbf332cbd73ce2a73eac417f0
Delegated to: Netdev Maintainers
Headers show
Series Rework GENET MDIO controller clocking | 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: 940 this patch: 940
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 7 of 7 maintainers
netdev/build_clang success Errors and warnings before: 957 this patch: 957
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: 958 this patch: 958
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 10 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-2024-02-21--12-00 (tests: 1454)

Commit Message

Florian Fainelli Feb. 19, 2024, 8:40 p.m. UTC 
GENET has historically had to create a MDIO platform device for its
controller and pass some auxiliary data to it, like a MDIO completion
callback. Now we also pass the "main" clock to allow for the MDIO bus
controller to manage that clock adequately around I/O accesses.

Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>
---
 drivers/net/ethernet/broadcom/genet/bcmmii.c | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c
index cbbe004621bc..7a21950da77c 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmmii.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c
@@ -476,6 +476,10 @@  static int bcmgenet_mii_register(struct bcmgenet_priv *priv)
 	ppd.wait_func = bcmgenet_mii_wait;
 	ppd.wait_func_data = priv;
 	ppd.bus_name = "bcmgenet MII bus";
+	/* Pass a reference to our "main" clock which is used for MDIO
+	 * transfers
+	 */
+	ppd.clk = priv->clk;
 
 	/* Unimac MDIO bus controller starts at UniMAC offset + MDIO_CMD
 	 * and is 2 * 32-bits word long, 8 bytes total.