lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <YGKbAOzT5XWm4kR3@builder.lan>
Date:   Mon, 29 Mar 2021 22:29:04 -0500
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc:     Andy Gross <agross@...nel.org>, Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        Rob Herring <robh+dt@...nel.org>,
        Manu Gautam <mgautam@...eaurora.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Jonathan Marek <jonathan@...ek.ca>,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v5 4/7] phy: qcom-qmp: rename common registers

On Sun 28 Mar 15:52 CDT 2021, Dmitry Baryshkov wrote:

> A plenty of DP PHY registers are common between V3 and V4. To simplify
> V4 code, rename all common registers.
> 
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>

Regards,
Bjorn

> ---
>  drivers/phy/qualcomm/phy-qcom-qmp.c | 50 ++++++++++++++---------------
>  drivers/phy/qualcomm/phy-qcom-qmp.h | 37 ++++++++++-----------
>  2 files changed, 44 insertions(+), 43 deletions(-)
> 
> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c
> index 4150096fd350..097bc005ba43 100644
> --- a/drivers/phy/qualcomm/phy-qcom-qmp.c
> +++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
> @@ -2435,20 +2435,20 @@ static void qcom_qmp_v3_phy_dp_aux_init(struct qmp_phy *qphy)
>  {
>  	writel(DP_PHY_PD_CTL_PWRDN | DP_PHY_PD_CTL_AUX_PWRDN |
>  	       DP_PHY_PD_CTL_PLL_PWRDN | DP_PHY_PD_CTL_DP_CLAMP_EN,
> -	       qphy->pcs + QSERDES_V3_DP_PHY_PD_CTL);
> +	       qphy->pcs + QSERDES_DP_PHY_PD_CTL);
>  
>  	/* Turn on BIAS current for PHY/PLL */
>  	writel(QSERDES_V3_COM_BIAS_EN | QSERDES_V3_COM_BIAS_EN_MUX |
>  	       QSERDES_V3_COM_CLKBUF_L_EN | QSERDES_V3_COM_EN_SYSCLK_TX_SEL,
>  	       qphy->serdes + QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN);
>  
> -	writel(DP_PHY_PD_CTL_PSR_PWRDN, qphy->pcs + QSERDES_V3_DP_PHY_PD_CTL);
> +	writel(DP_PHY_PD_CTL_PSR_PWRDN, qphy->pcs + QSERDES_DP_PHY_PD_CTL);
>  
>  	writel(DP_PHY_PD_CTL_PWRDN | DP_PHY_PD_CTL_AUX_PWRDN |
>  	       DP_PHY_PD_CTL_LANE_0_1_PWRDN |
>  	       DP_PHY_PD_CTL_LANE_2_3_PWRDN | DP_PHY_PD_CTL_PLL_PWRDN |
>  	       DP_PHY_PD_CTL_DP_CLAMP_EN,
> -	       qphy->pcs + QSERDES_V3_DP_PHY_PD_CTL);
> +	       qphy->pcs + QSERDES_DP_PHY_PD_CTL);
>  
>  	writel(QSERDES_V3_COM_BIAS_EN |
>  	       QSERDES_V3_COM_BIAS_EN_MUX | QSERDES_V3_COM_CLKBUF_R_EN |
> @@ -2456,16 +2456,16 @@ static void qcom_qmp_v3_phy_dp_aux_init(struct qmp_phy *qphy)
>  	       QSERDES_V3_COM_CLKBUF_RX_DRIVE_L,
>  	       qphy->serdes + QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN);
>  
> -	writel(0x00, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG0);
> -	writel(0x13, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG1);
> -	writel(0x24, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG2);
> -	writel(0x00, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG3);
> -	writel(0x0a, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG4);
> -	writel(0x26, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG5);
> -	writel(0x0a, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG6);
> -	writel(0x03, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG7);
> -	writel(0xbb, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG8);
> -	writel(0x03, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG9);
> +	writel(0x00, qphy->pcs + QSERDES_DP_PHY_AUX_CFG0);
> +	writel(0x13, qphy->pcs + QSERDES_DP_PHY_AUX_CFG1);
> +	writel(0x24, qphy->pcs + QSERDES_DP_PHY_AUX_CFG2);
> +	writel(0x00, qphy->pcs + QSERDES_DP_PHY_AUX_CFG3);
> +	writel(0x0a, qphy->pcs + QSERDES_DP_PHY_AUX_CFG4);
> +	writel(0x26, qphy->pcs + QSERDES_DP_PHY_AUX_CFG5);
> +	writel(0x0a, qphy->pcs + QSERDES_DP_PHY_AUX_CFG6);
> +	writel(0x03, qphy->pcs + QSERDES_DP_PHY_AUX_CFG7);
> +	writel(0xbb, qphy->pcs + QSERDES_DP_PHY_AUX_CFG8);
> +	writel(0x03, qphy->pcs + QSERDES_DP_PHY_AUX_CFG9);
>  	qphy->dp_aux_cfg = 0;
>  
>  	writel(PHY_AUX_STOP_ERR_MASK | PHY_AUX_DEC_ERR_MASK |
> @@ -2556,9 +2556,9 @@ static int qcom_qmp_v3_phy_configure_dp_phy(struct qmp_phy *qphy)
>  	 *	writel(0x4c, qphy->pcs + QSERDES_V3_DP_PHY_MODE);
>  	 */
>  	val |= DP_PHY_PD_CTL_LANE_2_3_PWRDN;
> -	writel(val, qphy->pcs + QSERDES_V3_DP_PHY_PD_CTL);
> +	writel(val, qphy->pcs + QSERDES_DP_PHY_PD_CTL);
>  
> -	writel(0x5c, qphy->pcs + QSERDES_V3_DP_PHY_MODE);
> +	writel(0x5c, qphy->pcs + QSERDES_DP_PHY_MODE);
>  	writel(0x05, qphy->pcs + QSERDES_V3_DP_PHY_TX0_TX1_LANE_CTL);
>  	writel(0x05, qphy->pcs + QSERDES_V3_DP_PHY_TX2_TX3_LANE_CTL);
>  
> @@ -2588,11 +2588,11 @@ static int qcom_qmp_v3_phy_configure_dp_phy(struct qmp_phy *qphy)
>  	clk_set_rate(dp_clks->dp_link_hw.clk, dp_opts->link_rate * 100000);
>  	clk_set_rate(dp_clks->dp_pixel_hw.clk, pixel_freq);
>  
> -	writel(0x04, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG2);
> -	writel(0x01, qphy->pcs + QSERDES_V3_DP_PHY_CFG);
> -	writel(0x05, qphy->pcs + QSERDES_V3_DP_PHY_CFG);
> -	writel(0x01, qphy->pcs + QSERDES_V3_DP_PHY_CFG);
> -	writel(0x09, qphy->pcs + QSERDES_V3_DP_PHY_CFG);
> +	writel(0x04, qphy->pcs + QSERDES_DP_PHY_AUX_CFG2);
> +	writel(0x01, qphy->pcs + QSERDES_DP_PHY_CFG);
> +	writel(0x05, qphy->pcs + QSERDES_DP_PHY_CFG);
> +	writel(0x01, qphy->pcs + QSERDES_DP_PHY_CFG);
> +	writel(0x09, qphy->pcs + QSERDES_DP_PHY_CFG);
>  
>  	writel(0x20, qphy->serdes + QSERDES_V3_COM_RESETSM_CNTRL);
>  
> @@ -2603,7 +2603,7 @@ static int qcom_qmp_v3_phy_configure_dp_phy(struct qmp_phy *qphy)
>  			10000))
>  		return -ETIMEDOUT;
>  
> -	writel(0x19, qphy->pcs + QSERDES_V3_DP_PHY_CFG);
> +	writel(0x19, qphy->pcs + QSERDES_DP_PHY_CFG);
>  
>  	if (readl_poll_timeout(qphy->pcs + QSERDES_V3_DP_PHY_STATUS,
>  			status,
> @@ -2612,9 +2612,9 @@ static int qcom_qmp_v3_phy_configure_dp_phy(struct qmp_phy *qphy)
>  			10000))
>  		return -ETIMEDOUT;
>  
> -	writel(0x18, qphy->pcs + QSERDES_V3_DP_PHY_CFG);
> +	writel(0x18, qphy->pcs + QSERDES_DP_PHY_CFG);
>  	udelay(2000);
> -	writel(0x19, qphy->pcs + QSERDES_V3_DP_PHY_CFG);
> +	writel(0x19, qphy->pcs + QSERDES_DP_PHY_CFG);
>  
>  	return readl_poll_timeout(qphy->pcs + QSERDES_V3_DP_PHY_STATUS,
>  			status,
> @@ -2636,7 +2636,7 @@ static int qcom_qmp_v3_dp_phy_calibrate(struct qmp_phy *qphy)
>  	qphy->dp_aux_cfg %= ARRAY_SIZE(cfg1_settings);
>  	val = cfg1_settings[qphy->dp_aux_cfg];
>  
> -	writel(val, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG1);
> +	writel(val, qphy->pcs + QSERDES_DP_PHY_AUX_CFG1);
>  
>  	return 0;
>  }
> @@ -3898,7 +3898,7 @@ static int qcom_qmp_phy_power_off(struct phy *phy)
>  
>  	if (cfg->type == PHY_TYPE_DP) {
>  		/* Assert DP PHY power down */
> -		writel(DP_PHY_PD_CTL_PSR_PWRDN, qphy->pcs + QSERDES_V3_DP_PHY_PD_CTL);
> +		writel(DP_PHY_PD_CTL_PSR_PWRDN, qphy->pcs + QSERDES_DP_PHY_PD_CTL);
>  	} else {
>  		/* PHY reset */
>  		if (!cfg->no_pcs_sw_reset)
> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.h b/drivers/phy/qualcomm/phy-qcom-qmp.h
> index 71ce3aa174ae..981d8ee891c0 100644
> --- a/drivers/phy/qualcomm/phy-qcom-qmp.h
> +++ b/drivers/phy/qualcomm/phy-qcom-qmp.h
> @@ -349,13 +349,13 @@
>  #define QPHY_V3_PCS_MISC_OSC_DTCT_MODE2_CONFIG4		0x5c
>  #define QPHY_V3_PCS_MISC_OSC_DTCT_MODE2_CONFIG5		0x60
>  
> -/* Only for QMP V3 PHY - DP PHY registers */
> -#define QSERDES_V3_DP_PHY_REVISION_ID0			0x000
> -#define QSERDES_V3_DP_PHY_REVISION_ID1			0x004
> -#define QSERDES_V3_DP_PHY_REVISION_ID2			0x008
> -#define QSERDES_V3_DP_PHY_REVISION_ID3			0x00c
> -#define QSERDES_V3_DP_PHY_CFG				0x010
> -#define QSERDES_V3_DP_PHY_PD_CTL			0x018
> +/* QMP PHY - DP PHY registers */
> +#define QSERDES_DP_PHY_REVISION_ID0			0x000
> +#define QSERDES_DP_PHY_REVISION_ID1			0x004
> +#define QSERDES_DP_PHY_REVISION_ID2			0x008
> +#define QSERDES_DP_PHY_REVISION_ID3			0x00c
> +#define QSERDES_DP_PHY_CFG				0x010
> +#define QSERDES_DP_PHY_PD_CTL				0x018
>  # define DP_PHY_PD_CTL_PWRDN				0x001
>  # define DP_PHY_PD_CTL_PSR_PWRDN			0x002
>  # define DP_PHY_PD_CTL_AUX_PWRDN			0x004
> @@ -363,18 +363,19 @@
>  # define DP_PHY_PD_CTL_LANE_2_3_PWRDN			0x010
>  # define DP_PHY_PD_CTL_PLL_PWRDN			0x020
>  # define DP_PHY_PD_CTL_DP_CLAMP_EN			0x040
> -#define QSERDES_V3_DP_PHY_MODE				0x01c
> -#define QSERDES_V3_DP_PHY_AUX_CFG0			0x020
> -#define QSERDES_V3_DP_PHY_AUX_CFG1			0x024
> -#define QSERDES_V3_DP_PHY_AUX_CFG2			0x028
> -#define QSERDES_V3_DP_PHY_AUX_CFG3			0x02c
> -#define QSERDES_V3_DP_PHY_AUX_CFG4			0x030
> -#define QSERDES_V3_DP_PHY_AUX_CFG5			0x034
> -#define QSERDES_V3_DP_PHY_AUX_CFG6			0x038
> -#define QSERDES_V3_DP_PHY_AUX_CFG7			0x03c
> -#define QSERDES_V3_DP_PHY_AUX_CFG8			0x040
> -#define QSERDES_V3_DP_PHY_AUX_CFG9			0x044
> +#define QSERDES_DP_PHY_MODE				0x01c
> +#define QSERDES_DP_PHY_AUX_CFG0				0x020
> +#define QSERDES_DP_PHY_AUX_CFG1				0x024
> +#define QSERDES_DP_PHY_AUX_CFG2				0x028
> +#define QSERDES_DP_PHY_AUX_CFG3				0x02c
> +#define QSERDES_DP_PHY_AUX_CFG4				0x030
> +#define QSERDES_DP_PHY_AUX_CFG5				0x034
> +#define QSERDES_DP_PHY_AUX_CFG6				0x038
> +#define QSERDES_DP_PHY_AUX_CFG7				0x03c
> +#define QSERDES_DP_PHY_AUX_CFG8				0x040
> +#define QSERDES_DP_PHY_AUX_CFG9				0x044
>  
> +/* Only for QMP V3 PHY - DP PHY registers */
>  #define QSERDES_V3_DP_PHY_AUX_INTERRUPT_MASK		0x048
>  # define PHY_AUX_STOP_ERR_MASK				0x01
>  # define PHY_AUX_DEC_ERR_MASK				0x02
> -- 
> 2.30.2
> 

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ