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Commit 76ddd300 authored by Manu Gautam's avatar Manu Gautam Committed by Kishon Vijay Abraham I
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phy: qcom-qmp: Move SERDES/PCS START after PHY reset 



Driver is currently performing PHY reset after starting
SERDES/PCS. As per hardware datasheet reset must be done
before starting PHY. Hence, update the sequence.

Signed-off-by: default avatarManu Gautam <mgautam@codeaurora.org>
Signed-off-by: default avatarKishon Vijay Abraham I <kishon@ti.com>
parent c6549f0e

drivers/phy/qualcomm/phy-qcom-qmp.c

+3 −3
Original line number Diff line number Diff line
@@ -896,12 +896,12 @@ static int qcom_qmp_phy_init(struct phy *phy) 
	if (cfg->has_pwrdn_delay)

		usleep_range(cfg->pwrdn_delay_min, cfg->pwrdn_delay_max);



	/* start SerDes and Phy-Coding-Sublayer */

	qphy_setbits(pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl);



	/* Pull PHY out of reset state */

	qphy_clrbits(pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);



	/* start SerDes and Phy-Coding-Sublayer */

	qphy_setbits(pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl);



	status = pcs + cfg->regs[QPHY_PCS_READY_STATUS];

	mask = cfg->mask_pcs_ready;