From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DDFBF1C08 for ; Wed, 28 Dec 2022 16:32:28 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 63F37C433EF; Wed, 28 Dec 2022 16:32:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1672245148; bh=U8OW2JTaqhl1eh0qeb5Cl7Hp18Obm5wbV2z950c9jCE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qCaHZFozVRIchzFyrsyGvAgkcbPfBbPvtUFmYWTqDSiOeVaI0dNbiWqMCeR/rJ6tr VY2DnsiamSS5jfawb1yxdH9B7HrTJWNYwo1TDM/oucnTtjFpGGmEDn8+4XJtiBgcQd 4YF2Qoi6vbsVz+ExjalBESxf8f50cUA2OzIovTUc= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Johan Hovold , Dmitry Baryshkov , Vinod Koul , Sasha Levin Subject: [PATCH 6.1 0805/1146] phy: qcom-qmp-usb: clean up status polling Date: Wed, 28 Dec 2022 15:39:04 +0100 Message-Id: <20221228144352.019169847@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20221228144330.180012208@linuxfoundation.org> References: <20221228144330.180012208@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Johan Hovold [ Upstream commit f5ef85adece529a6cd1e7563081c41038923a9ed ] Clean up the PHY status polling by dropping the configuration mask which is no longer needed since the QMP driver split. Signed-off-by: Johan Hovold Reviewed-by: Dmitry Baryshkov Link: https://lore.kernel.org/r/20221012085002.24099-13-johan+linaro@kernel.org Signed-off-by: Vinod Koul Stable-dep-of: 922adfd59efd ("phy: qcom-qmp-usb: correct registers layout for IPQ8074 USB3 PHY") Signed-off-by: Sasha Levin --- drivers/phy/qualcomm/phy-qcom-qmp-usb.c | 25 ++----------------------- 1 file changed, 2 insertions(+), 23 deletions(-) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-usb.c b/drivers/phy/qualcomm/phy-qcom-qmp-usb.c index f8a300f0aec3..a551ef4b5777 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-usb.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-usb.c @@ -1458,8 +1458,6 @@ struct qmp_phy_cfg { unsigned int start_ctrl; unsigned int pwrdn_ctrl; - /* bit offset of PHYSTATUS in QPHY_PCS_STATUS register */ - unsigned int phy_status; /* true, if PHY needs delay after POWER_DOWN */ bool has_pwrdn_delay; @@ -1617,7 +1615,6 @@ static const struct qmp_phy_cfg ipq8074_usb3phy_cfg = { .start_ctrl = SERDES_START | PCS_START, .pwrdn_ctrl = SW_PWRDN, - .phy_status = PHYSTATUS, }; static const struct qmp_phy_cfg msm8996_usb3phy_cfg = { @@ -1641,7 +1638,6 @@ static const struct qmp_phy_cfg msm8996_usb3phy_cfg = { .start_ctrl = SERDES_START | PCS_START, .pwrdn_ctrl = SW_PWRDN, - .phy_status = PHYSTATUS, }; static const struct qmp_phy_cfg qmp_v3_usb3phy_cfg = { @@ -1665,7 +1661,6 @@ static const struct qmp_phy_cfg qmp_v3_usb3phy_cfg = { .start_ctrl = SERDES_START | PCS_START, .pwrdn_ctrl = SW_PWRDN, - .phy_status = PHYSTATUS, .has_pwrdn_delay = true, .has_phy_dp_com_ctrl = true, @@ -1692,7 +1687,6 @@ static const struct qmp_phy_cfg sc7180_usb3phy_cfg = { .start_ctrl = SERDES_START | PCS_START, .pwrdn_ctrl = SW_PWRDN, - .phy_status = PHYSTATUS, .has_pwrdn_delay = true, .has_phy_dp_com_ctrl = true, @@ -1719,7 +1713,6 @@ static const struct qmp_phy_cfg sc8280xp_usb3_uniphy_cfg = { .start_ctrl = SERDES_START | PCS_START, .pwrdn_ctrl = SW_PWRDN, - .phy_status = PHYSTATUS, }; static const struct qmp_phy_cfg qmp_v3_usb3_uniphy_cfg = { @@ -1743,7 +1736,6 @@ static const struct qmp_phy_cfg qmp_v3_usb3_uniphy_cfg = { .start_ctrl = SERDES_START | PCS_START, .pwrdn_ctrl = SW_PWRDN, - .phy_status = PHYSTATUS, .has_pwrdn_delay = true, }; @@ -1769,7 +1761,6 @@ static const struct qmp_phy_cfg msm8998_usb3phy_cfg = { .start_ctrl = SERDES_START | PCS_START, .pwrdn_ctrl = SW_PWRDN, - .phy_status = PHYSTATUS, }; static const struct qmp_phy_cfg sm8150_usb3phy_cfg = { @@ -1796,7 +1787,6 @@ static const struct qmp_phy_cfg sm8150_usb3phy_cfg = { .start_ctrl = SERDES_START | PCS_START, .pwrdn_ctrl = SW_PWRDN, - .phy_status = PHYSTATUS, .has_pwrdn_delay = true, .has_phy_dp_com_ctrl = true, @@ -1826,7 +1816,6 @@ static const struct qmp_phy_cfg sm8150_usb3_uniphy_cfg = { .start_ctrl = SERDES_START | PCS_START, .pwrdn_ctrl = SW_PWRDN, - .phy_status = PHYSTATUS, .has_pwrdn_delay = true, }; @@ -1855,7 +1844,6 @@ static const struct qmp_phy_cfg sm8250_usb3phy_cfg = { .start_ctrl = SERDES_START | PCS_START, .pwrdn_ctrl = SW_PWRDN, - .phy_status = PHYSTATUS, .has_pwrdn_delay = true, .has_phy_dp_com_ctrl = true, @@ -1885,7 +1873,6 @@ static const struct qmp_phy_cfg sm8250_usb3_uniphy_cfg = { .start_ctrl = SERDES_START | PCS_START, .pwrdn_ctrl = SW_PWRDN, - .phy_status = PHYSTATUS, .has_pwrdn_delay = true, }; @@ -1914,7 +1901,6 @@ static const struct qmp_phy_cfg sdx55_usb3_uniphy_cfg = { .start_ctrl = SERDES_START | PCS_START, .pwrdn_ctrl = SW_PWRDN, - .phy_status = PHYSTATUS, .has_pwrdn_delay = true, }; @@ -1943,7 +1929,6 @@ static const struct qmp_phy_cfg sdx65_usb3_uniphy_cfg = { .start_ctrl = SERDES_START | PCS_START, .pwrdn_ctrl = SW_PWRDN, - .phy_status = PHYSTATUS, .has_pwrdn_delay = true, }; @@ -1972,7 +1957,6 @@ static const struct qmp_phy_cfg sm8350_usb3phy_cfg = { .start_ctrl = SERDES_START | PCS_START, .pwrdn_ctrl = SW_PWRDN, - .phy_status = PHYSTATUS, .has_pwrdn_delay = true, .has_phy_dp_com_ctrl = true, @@ -2002,7 +1986,6 @@ static const struct qmp_phy_cfg sm8350_usb3_uniphy_cfg = { .start_ctrl = SERDES_START | PCS_START, .pwrdn_ctrl = SW_PWRDN, - .phy_status = PHYSTATUS, .has_pwrdn_delay = true, }; @@ -2028,7 +2011,6 @@ static const struct qmp_phy_cfg qcm2290_usb3phy_cfg = { .start_ctrl = SERDES_START | PCS_START, .pwrdn_ctrl = SW_PWRDN, - .phy_status = PHYSTATUS, }; static void qmp_usb_configure_lane(void __iomem *base, @@ -2166,7 +2148,7 @@ static int qmp_usb_power_on(struct phy *phy) void __iomem *rx = qphy->rx; void __iomem *pcs = qphy->pcs; void __iomem *status; - unsigned int mask, val, ready; + unsigned int val; int ret; qmp_usb_serdes_init(qphy); @@ -2205,10 +2187,7 @@ static int qmp_usb_power_on(struct phy *phy) qphy_setbits(pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl); status = pcs + cfg->regs[QPHY_PCS_STATUS]; - mask = cfg->phy_status; - ready = 0; - - ret = readl_poll_timeout(status, val, (val & mask) == ready, 10, + ret = readl_poll_timeout(status, val, !(val & PHYSTATUS), 10, PHY_INIT_COMPLETE_TIMEOUT); if (ret) { dev_err(qmp->dev, "phy initialization timed-out\n"); -- 2.35.1