Commit 6f60ecf2 authored by Raju Rangoju's avatar Raju Rangoju Committed by Jakub Kicinski
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net: amd-xgbe: Disable the CDR workaround path for Yellow Carp Devices 



Yellow Carp Ethernet devices do not require
Autonegotiation CDR workaround, hence disable the same.

Co-developed-by: default avatarShyam Sundar S K <Shyam-sundar.S-k@amd.com>
Signed-off-by: default avatarShyam Sundar S K <Shyam-sundar.S-k@amd.com>
Signed-off-by: default avatarRaju Rangoju <Raju.Rangoju@amd.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 2d4a0b79

drivers/net/ethernet/amd/xgbe/xgbe-pci.c

+5 −2
Original line number Diff line number Diff line
@@ -282,6 +282,9 @@ static int xgbe_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) 
		   (rdev->device == 0x14b5)) {

		pdata->xpcs_window_def_reg = PCS_V2_YC_WINDOW_DEF;

		pdata->xpcs_window_sel_reg = PCS_V2_YC_WINDOW_SELECT;



		/* Yellow Carp devices do not need cdr workaround */

		pdata->vdata->an_cdr_workaround = 0;

	} else {

		pdata->xpcs_window_def_reg = PCS_V2_WINDOW_DEF;

		pdata->xpcs_window_sel_reg = PCS_V2_WINDOW_SELECT;
@@ -464,7 +467,7 @@ static int __maybe_unused xgbe_pci_resume(struct device *dev) 
	return ret;

}



static const struct xgbe_version_data xgbe_v2a = {

static struct xgbe_version_data xgbe_v2a = {

	.init_function_ptrs_phy_impl	= xgbe_init_function_ptrs_phy_v2,

	.xpcs_access			= XGBE_XPCS_ACCESS_V2,

	.mmc_64bit			= 1,
@@ -479,7 +482,7 @@ static const struct xgbe_version_data xgbe_v2a = { 
	.an_cdr_workaround		= 1,

};



static const struct xgbe_version_data xgbe_v2b = {

static struct xgbe_version_data xgbe_v2b = {

	.init_function_ptrs_phy_impl	= xgbe_init_function_ptrs_phy_v2,

	.xpcs_access			= XGBE_XPCS_ACCESS_V2,

	.mmc_64bit			= 1,