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phy: qcom-qmp: Move SERDES/PCS START after PHY reset

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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: Manu Gautam <mgautam@codeaurora.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
This commit is contained in:
Manu Gautam 2018-01-16 16:27:01 +05:30 • committed by Kishon Vijay Abraham I
parent c6549f0eef
commit 76ddd30089
1 changed files with 3 additions and 3 deletions
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6
drivers/phy/qualcomm/phy-qcom-qmp.c
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@ -896,12 +896,12 @@ static int qcom_qmp_phy_init(struct phy *phy)
if (cfg->has_pwrdn_delay) if (cfg->has_pwrdn_delay)
usleep_range(cfg->pwrdn_delay_min, cfg->pwrdn_delay_max); 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 */ /* Pull PHY out of reset state */
qphy_clrbits(pcs, cfg->regs[QPHY_SW_RESET], SW_RESET); 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]; status = pcs + cfg->regs[QPHY_PCS_READY_STATUS];
mask = cfg->mask_pcs_ready; mask = cfg->mask_pcs_ready;