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Subject[PATCH 07/13] phy: qcom-qmp-pcie: clean up power-down handling
Date
Always define the POWER_DOWN_CONTROL register instead of falling back to
the v2 offset during power on and power off.

Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
---
drivers/phy/qualcomm/phy-qcom-qmp-pcie.c | 20 ++++++--------------
1 file changed, 6 insertions(+), 14 deletions(-)

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
index eea66c24cf7e..47cdb9ed80cd 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
@@ -90,12 +90,14 @@ static const unsigned int pciephy_regs_layout[QPHY_LAYOUT_SIZE] = {
[QPHY_SW_RESET] = 0x00,
[QPHY_START_CTRL] = 0x08,
[QPHY_PCS_STATUS] = 0x174,
+ [QPHY_PCS_POWER_DOWN_CONTROL] = 0x04,
};

static const unsigned int sdm845_qhp_pciephy_regs_layout[QPHY_LAYOUT_SIZE] = {
[QPHY_SW_RESET] = 0x00,
[QPHY_START_CTRL] = 0x08,
[QPHY_PCS_STATUS] = 0x2ac,
+ [QPHY_PCS_POWER_DOWN_CONTROL] = 0x04,
};

static const unsigned int sm8250_pcie_regs_layout[QPHY_LAYOUT_SIZE] = {
@@ -1872,13 +1874,8 @@ static int qmp_pcie_init(struct phy *phy)
if (ret)
goto err_assert_reset;

- if (cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL])
- qphy_setbits(pcs,
- cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL],
- cfg->pwrdn_ctrl);
- else
- qphy_setbits(pcs, QPHY_V2_PCS_POWER_DOWN_CONTROL,
- cfg->pwrdn_ctrl);
+ qphy_setbits(pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL],
+ cfg->pwrdn_ctrl);

return 0;

@@ -1995,13 +1992,8 @@ static int qmp_pcie_power_off(struct phy *phy)
qphy_clrbits(qphy->pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl);

/* Put PHY into POWER DOWN state: active low */
- if (cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL]) {
- qphy_clrbits(qphy->pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL],
- cfg->pwrdn_ctrl);
- } else {
- qphy_clrbits(qphy->pcs, QPHY_V2_PCS_POWER_DOWN_CONTROL,
- cfg->pwrdn_ctrl);
- }
+ qphy_clrbits(qphy->pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL],
+ cfg->pwrdn_ctrl);

return 0;
}
--
2.35.1
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