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From: Alexandre Belloni <alexandre.belloni@bootlin.com>
To: Quentin Schulz <quentin.schulz@bootlin.com>
Cc: ralf@linux-mips.org, paul.burton@mips.com, jhogan@kernel.org,
	robh+dt@kernel.org, mark.rutland@arm.com, davem@davemloft.net,
	kishon@ti.com, andrew@lunn.ch, f.fainelli@gmail.com,
	linux-mips@linux-mips.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
	allan.nielsen@microsemi.com, thomas.petazzoni@bootlin.com
Subject: Re: [PATCH net-next 05/10] net: mscc: ocelot: simplify register access for PLL5 configuration
Date: Tue, 31 Jul 2018 10:02:57 +0200	[thread overview]
Message-ID: <20180731080257.GR28585@piout.net> (raw)
In-Reply-To: <df5856230f6a2932a8e0289dc6e8d12234a02bfe.1532954208.git-series.quentin.schulz@bootlin.com>

On 30/07/2018 14:43:50+0200, Quentin Schulz wrote:
> Since HSIO address space can be accessed by different drivers, let's
> simplify the register address definitions so that it can be easily used
> by all drivers and put the register address definition in the
> include/soc/mscc/ocelot_hsio.h header file.
> 
> Signed-off-by: Quentin Schulz <quentin.schulz@bootlin.com>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

> ---
>  drivers/net/ethernet/mscc/ocelot.h      | 73 +---------------------
>  drivers/net/ethernet/mscc/ocelot_regs.c | 92 ++------------------------
>  include/soc/mscc/ocelot_hsio.h          | 74 +++++++++++++++++++++-
>  3 files changed, 83 insertions(+), 156 deletions(-)
> 
> diff --git a/drivers/net/ethernet/mscc/ocelot.h b/drivers/net/ethernet/mscc/ocelot.h
> index 2da20a3..3720e51 100644
> --- a/drivers/net/ethernet/mscc/ocelot.h
> +++ b/drivers/net/ethernet/mscc/ocelot.h
> @@ -332,79 +332,6 @@ enum ocelot_reg {
>  	SYS_CM_DATA_RD,
>  	SYS_CM_OP,
>  	SYS_CM_DATA,
> -	HSIO_PLL5G_CFG0 = HSIO << TARGET_OFFSET,
> -	HSIO_PLL5G_CFG1,
> -	HSIO_PLL5G_CFG2,
> -	HSIO_PLL5G_CFG3,
> -	HSIO_PLL5G_CFG4,
> -	HSIO_PLL5G_CFG5,
> -	HSIO_PLL5G_CFG6,
> -	HSIO_PLL5G_STATUS0,
> -	HSIO_PLL5G_STATUS1,
> -	HSIO_PLL5G_BIST_CFG0,
> -	HSIO_PLL5G_BIST_CFG1,
> -	HSIO_PLL5G_BIST_CFG2,
> -	HSIO_PLL5G_BIST_STAT0,
> -	HSIO_PLL5G_BIST_STAT1,
> -	HSIO_RCOMP_CFG0,
> -	HSIO_RCOMP_STATUS,
> -	HSIO_SYNC_ETH_CFG,
> -	HSIO_SYNC_ETH_PLL_CFG,
> -	HSIO_S1G_DES_CFG,
> -	HSIO_S1G_IB_CFG,
> -	HSIO_S1G_OB_CFG,
> -	HSIO_S1G_SER_CFG,
> -	HSIO_S1G_COMMON_CFG,
> -	HSIO_S1G_PLL_CFG,
> -	HSIO_S1G_PLL_STATUS,
> -	HSIO_S1G_DFT_CFG0,
> -	HSIO_S1G_DFT_CFG1,
> -	HSIO_S1G_DFT_CFG2,
> -	HSIO_S1G_TP_CFG,
> -	HSIO_S1G_RC_PLL_BIST_CFG,
> -	HSIO_S1G_MISC_CFG,
> -	HSIO_S1G_DFT_STATUS,
> -	HSIO_S1G_MISC_STATUS,
> -	HSIO_MCB_S1G_ADDR_CFG,
> -	HSIO_S6G_DIG_CFG,
> -	HSIO_S6G_DFT_CFG0,
> -	HSIO_S6G_DFT_CFG1,
> -	HSIO_S6G_DFT_CFG2,
> -	HSIO_S6G_TP_CFG0,
> -	HSIO_S6G_TP_CFG1,
> -	HSIO_S6G_RC_PLL_BIST_CFG,
> -	HSIO_S6G_MISC_CFG,
> -	HSIO_S6G_OB_ANEG_CFG,
> -	HSIO_S6G_DFT_STATUS,
> -	HSIO_S6G_ERR_CNT,
> -	HSIO_S6G_MISC_STATUS,
> -	HSIO_S6G_DES_CFG,
> -	HSIO_S6G_IB_CFG,
> -	HSIO_S6G_IB_CFG1,
> -	HSIO_S6G_IB_CFG2,
> -	HSIO_S6G_IB_CFG3,
> -	HSIO_S6G_IB_CFG4,
> -	HSIO_S6G_IB_CFG5,
> -	HSIO_S6G_OB_CFG,
> -	HSIO_S6G_OB_CFG1,
> -	HSIO_S6G_SER_CFG,
> -	HSIO_S6G_COMMON_CFG,
> -	HSIO_S6G_PLL_CFG,
> -	HSIO_S6G_ACJTAG_CFG,
> -	HSIO_S6G_GP_CFG,
> -	HSIO_S6G_IB_STATUS0,
> -	HSIO_S6G_IB_STATUS1,
> -	HSIO_S6G_ACJTAG_STATUS,
> -	HSIO_S6G_PLL_STATUS,
> -	HSIO_S6G_REVID,
> -	HSIO_MCB_S6G_ADDR_CFG,
> -	HSIO_HW_CFG,
> -	HSIO_HW_QSGMII_CFG,
> -	HSIO_HW_QSGMII_STAT,
> -	HSIO_CLK_CFG,
> -	HSIO_TEMP_SENSOR_CTRL,
> -	HSIO_TEMP_SENSOR_CFG,
> -	HSIO_TEMP_SENSOR_STAT,
>  };
>  
>  enum ocelot_regfield {
> diff --git a/drivers/net/ethernet/mscc/ocelot_regs.c b/drivers/net/ethernet/mscc/ocelot_regs.c
> index bf0c609..9271af1 100644
> --- a/drivers/net/ethernet/mscc/ocelot_regs.c
> +++ b/drivers/net/ethernet/mscc/ocelot_regs.c
> @@ -103,82 +103,6 @@ static const u32 ocelot_qs_regmap[] = {
>  	REG(QS_INH_DBG,                    0x000048),
>  };
>  
> -static const u32 ocelot_hsio_regmap[] = {
> -	REG(HSIO_PLL5G_CFG0,               0x000000),
> -	REG(HSIO_PLL5G_CFG1,               0x000004),
> -	REG(HSIO_PLL5G_CFG2,               0x000008),
> -	REG(HSIO_PLL5G_CFG3,               0x00000c),
> -	REG(HSIO_PLL5G_CFG4,               0x000010),
> -	REG(HSIO_PLL5G_CFG5,               0x000014),
> -	REG(HSIO_PLL5G_CFG6,               0x000018),
> -	REG(HSIO_PLL5G_STATUS0,            0x00001c),
> -	REG(HSIO_PLL5G_STATUS1,            0x000020),
> -	REG(HSIO_PLL5G_BIST_CFG0,          0x000024),
> -	REG(HSIO_PLL5G_BIST_CFG1,          0x000028),
> -	REG(HSIO_PLL5G_BIST_CFG2,          0x00002c),
> -	REG(HSIO_PLL5G_BIST_STAT0,         0x000030),
> -	REG(HSIO_PLL5G_BIST_STAT1,         0x000034),
> -	REG(HSIO_RCOMP_CFG0,               0x000038),
> -	REG(HSIO_RCOMP_STATUS,             0x00003c),
> -	REG(HSIO_SYNC_ETH_CFG,             0x000040),
> -	REG(HSIO_SYNC_ETH_PLL_CFG,         0x000048),
> -	REG(HSIO_S1G_DES_CFG,              0x00004c),
> -	REG(HSIO_S1G_IB_CFG,               0x000050),
> -	REG(HSIO_S1G_OB_CFG,               0x000054),
> -	REG(HSIO_S1G_SER_CFG,              0x000058),
> -	REG(HSIO_S1G_COMMON_CFG,           0x00005c),
> -	REG(HSIO_S1G_PLL_CFG,              0x000060),
> -	REG(HSIO_S1G_PLL_STATUS,           0x000064),
> -	REG(HSIO_S1G_DFT_CFG0,             0x000068),
> -	REG(HSIO_S1G_DFT_CFG1,             0x00006c),
> -	REG(HSIO_S1G_DFT_CFG2,             0x000070),
> -	REG(HSIO_S1G_TP_CFG,               0x000074),
> -	REG(HSIO_S1G_RC_PLL_BIST_CFG,      0x000078),
> -	REG(HSIO_S1G_MISC_CFG,             0x00007c),
> -	REG(HSIO_S1G_DFT_STATUS,           0x000080),
> -	REG(HSIO_S1G_MISC_STATUS,          0x000084),
> -	REG(HSIO_MCB_S1G_ADDR_CFG,         0x000088),
> -	REG(HSIO_S6G_DIG_CFG,              0x00008c),
> -	REG(HSIO_S6G_DFT_CFG0,             0x000090),
> -	REG(HSIO_S6G_DFT_CFG1,             0x000094),
> -	REG(HSIO_S6G_DFT_CFG2,             0x000098),
> -	REG(HSIO_S6G_TP_CFG0,              0x00009c),
> -	REG(HSIO_S6G_TP_CFG1,              0x0000a0),
> -	REG(HSIO_S6G_RC_PLL_BIST_CFG,      0x0000a4),
> -	REG(HSIO_S6G_MISC_CFG,             0x0000a8),
> -	REG(HSIO_S6G_OB_ANEG_CFG,          0x0000ac),
> -	REG(HSIO_S6G_DFT_STATUS,           0x0000b0),
> -	REG(HSIO_S6G_ERR_CNT,              0x0000b4),
> -	REG(HSIO_S6G_MISC_STATUS,          0x0000b8),
> -	REG(HSIO_S6G_DES_CFG,              0x0000bc),
> -	REG(HSIO_S6G_IB_CFG,               0x0000c0),
> -	REG(HSIO_S6G_IB_CFG1,              0x0000c4),
> -	REG(HSIO_S6G_IB_CFG2,              0x0000c8),
> -	REG(HSIO_S6G_IB_CFG3,              0x0000cc),
> -	REG(HSIO_S6G_IB_CFG4,              0x0000d0),
> -	REG(HSIO_S6G_IB_CFG5,              0x0000d4),
> -	REG(HSIO_S6G_OB_CFG,               0x0000d8),
> -	REG(HSIO_S6G_OB_CFG1,              0x0000dc),
> -	REG(HSIO_S6G_SER_CFG,              0x0000e0),
> -	REG(HSIO_S6G_COMMON_CFG,           0x0000e4),
> -	REG(HSIO_S6G_PLL_CFG,              0x0000e8),
> -	REG(HSIO_S6G_ACJTAG_CFG,           0x0000ec),
> -	REG(HSIO_S6G_GP_CFG,               0x0000f0),
> -	REG(HSIO_S6G_IB_STATUS0,           0x0000f4),
> -	REG(HSIO_S6G_IB_STATUS1,           0x0000f8),
> -	REG(HSIO_S6G_ACJTAG_STATUS,        0x0000fc),
> -	REG(HSIO_S6G_PLL_STATUS,           0x000100),
> -	REG(HSIO_S6G_REVID,                0x000104),
> -	REG(HSIO_MCB_S6G_ADDR_CFG,         0x000108),
> -	REG(HSIO_HW_CFG,                   0x00010c),
> -	REG(HSIO_HW_QSGMII_CFG,            0x000110),
> -	REG(HSIO_HW_QSGMII_STAT,           0x000114),
> -	REG(HSIO_CLK_CFG,                  0x000118),
> -	REG(HSIO_TEMP_SENSOR_CTRL,         0x00011c),
> -	REG(HSIO_TEMP_SENSOR_CFG,          0x000120),
> -	REG(HSIO_TEMP_SENSOR_STAT,         0x000124),
> -};
> -
>  static const u32 ocelot_qsys_regmap[] = {
>  	REG(QSYS_PORT_MODE,                0x011200),
>  	REG(QSYS_SWITCH_PORT_MODE,         0x011234),
> @@ -303,7 +227,6 @@ static const u32 ocelot_sys_regmap[] = {
>  static const u32 *ocelot_regmap[] = {
>  	[ANA] = ocelot_ana_regmap,
>  	[QS] = ocelot_qs_regmap,
> -	[HSIO] = ocelot_hsio_regmap,
>  	[QSYS] = ocelot_qsys_regmap,
>  	[REW] = ocelot_rew_regmap,
>  	[SYS] = ocelot_sys_regmap,
> @@ -454,9 +377,11 @@ static void ocelot_pll5_init(struct ocelot *ocelot)
>  	/* Configure PLL5. This will need a proper CCF driver
>  	 * The values are coming from the VTSS API for Ocelot
>  	 */
> -	ocelot_write(ocelot, HSIO_PLL5G_CFG4_IB_CTRL(0x7600) |
> -		     HSIO_PLL5G_CFG4_IB_BIAS_CTRL(0x8), HSIO_PLL5G_CFG4);
> -	ocelot_write(ocelot, HSIO_PLL5G_CFG0_CORE_CLK_DIV(0x11) |
> +	regmap_write(ocelot->targets[HSIO], HSIO_PLL5G_CFG4,
> +		     HSIO_PLL5G_CFG4_IB_CTRL(0x7600) |
> +		     HSIO_PLL5G_CFG4_IB_BIAS_CTRL(0x8));
> +	regmap_write(ocelot->targets[HSIO], HSIO_PLL5G_CFG0,
> +		     HSIO_PLL5G_CFG0_CORE_CLK_DIV(0x11) |
>  		     HSIO_PLL5G_CFG0_CPU_CLK_DIV(2) |
>  		     HSIO_PLL5G_CFG0_ENA_BIAS |
>  		     HSIO_PLL5G_CFG0_ENA_VCO_BUF |
> @@ -466,13 +391,14 @@ static void ocelot_pll5_init(struct ocelot *ocelot)
>  		     HSIO_PLL5G_CFG0_SELBGV820(4) |
>  		     HSIO_PLL5G_CFG0_DIV4 |
>  		     HSIO_PLL5G_CFG0_ENA_CLKTREE |
> -		     HSIO_PLL5G_CFG0_ENA_LANE, HSIO_PLL5G_CFG0);
> -	ocelot_write(ocelot, HSIO_PLL5G_CFG2_EN_RESET_FRQ_DET |
> +		     HSIO_PLL5G_CFG0_ENA_LANE);
> +	regmap_write(ocelot->targets[HSIO], HSIO_PLL5G_CFG2,
> +		     HSIO_PLL5G_CFG2_EN_RESET_FRQ_DET |
>  		     HSIO_PLL5G_CFG2_EN_RESET_OVERRUN |
>  		     HSIO_PLL5G_CFG2_GAIN_TEST(0x8) |
>  		     HSIO_PLL5G_CFG2_ENA_AMPCTRL |
>  		     HSIO_PLL5G_CFG2_PWD_AMPCTRL_N |
> -		     HSIO_PLL5G_CFG2_AMPC_SEL(0x10), HSIO_PLL5G_CFG2);
> +		     HSIO_PLL5G_CFG2_AMPC_SEL(0x10));
>  }
>  
>  int ocelot_chip_init(struct ocelot *ocelot)
> diff --git a/include/soc/mscc/ocelot_hsio.h b/include/soc/mscc/ocelot_hsio.h
> index d93ddec..43112dd 100644
> --- a/include/soc/mscc/ocelot_hsio.h
> +++ b/include/soc/mscc/ocelot_hsio.h
> @@ -8,6 +8,80 @@
>  #ifndef _MSCC_OCELOT_HSIO_H_
>  #define _MSCC_OCELOT_HSIO_H_
>  
> +#define HSIO_PLL5G_CFG0			0x0000
> +#define HSIO_PLL5G_CFG1			0x0004
> +#define HSIO_PLL5G_CFG2			0x0008
> +#define HSIO_PLL5G_CFG3			0x000c
> +#define HSIO_PLL5G_CFG4			0x0010
> +#define HSIO_PLL5G_CFG5			0x0014
> +#define HSIO_PLL5G_CFG6			0x0018
> +#define HSIO_PLL5G_STATUS0		0x001c
> +#define HSIO_PLL5G_STATUS1		0x0020
> +#define HSIO_PLL5G_BIST_CFG0		0x0024
> +#define HSIO_PLL5G_BIST_CFG1		0x0028
> +#define HSIO_PLL5G_BIST_CFG2		0x002c
> +#define HSIO_PLL5G_BIST_STAT0		0x0030
> +#define HSIO_PLL5G_BIST_STAT1		0x0034
> +#define HSIO_RCOMP_CFG0			0x0038
> +#define HSIO_RCOMP_STATUS		0x003c
> +#define HSIO_SYNC_ETH_CFG		0x0040
> +#define HSIO_SYNC_ETH_PLL_CFG		0x0048
> +#define HSIO_S1G_DES_CFG		0x004c
> +#define HSIO_S1G_IB_CFG			0x0050
> +#define HSIO_S1G_OB_CFG			0x0054
> +#define HSIO_S1G_SER_CFG		0x0058
> +#define HSIO_S1G_COMMON_CFG		0x005c
> +#define HSIO_S1G_PLL_CFG		0x0060
> +#define HSIO_S1G_PLL_STATUS		0x0064
> +#define HSIO_S1G_DFT_CFG0		0x0068
> +#define HSIO_S1G_DFT_CFG1		0x006c
> +#define HSIO_S1G_DFT_CFG2		0x0070
> +#define HSIO_S1G_TP_CFG			0x0074
> +#define HSIO_S1G_RC_PLL_BIST_CFG	0x0078
> +#define HSIO_S1G_MISC_CFG		0x007c
> +#define HSIO_S1G_DFT_STATUS		0x0080
> +#define HSIO_S1G_MISC_STATUS		0x0084
> +#define HSIO_MCB_S1G_ADDR_CFG		0x0088
> +#define HSIO_S6G_DIG_CFG		0x008c
> +#define HSIO_S6G_DFT_CFG0		0x0090
> +#define HSIO_S6G_DFT_CFG1		0x0094
> +#define HSIO_S6G_DFT_CFG2		0x0098
> +#define HSIO_S6G_TP_CFG0		0x009c
> +#define HSIO_S6G_TP_CFG1		0x00a0
> +#define HSIO_S6G_RC_PLL_BIST_CFG	0x00a4
> +#define HSIO_S6G_MISC_CFG		0x00a8
> +#define HSIO_S6G_OB_ANEG_CFG		0x00ac
> +#define HSIO_S6G_DFT_STATUS		0x00b0
> +#define HSIO_S6G_ERR_CNT		0x00b4
> +#define HSIO_S6G_MISC_STATUS		0x00b8
> +#define HSIO_S6G_DES_CFG		0x00bc
> +#define HSIO_S6G_IB_CFG			0x00c0
> +#define HSIO_S6G_IB_CFG1		0x00c4
> +#define HSIO_S6G_IB_CFG2		0x00c8
> +#define HSIO_S6G_IB_CFG3		0x00cc
> +#define HSIO_S6G_IB_CFG4		0x00d0
> +#define HSIO_S6G_IB_CFG5		0x00d4
> +#define HSIO_S6G_OB_CFG			0x00d8
> +#define HSIO_S6G_OB_CFG1		0x00dc
> +#define HSIO_S6G_SER_CFG		0x00e0
> +#define HSIO_S6G_COMMON_CFG		0x00e4
> +#define HSIO_S6G_PLL_CFG		0x00e8
> +#define HSIO_S6G_ACJTAG_CFG		0x00ec
> +#define HSIO_S6G_GP_CFG			0x00f0
> +#define HSIO_S6G_IB_STATUS0		0x00f4
> +#define HSIO_S6G_IB_STATUS1		0x00f8
> +#define HSIO_S6G_ACJTAG_STATUS		0x00fc
> +#define HSIO_S6G_PLL_STATUS		0x0100
> +#define HSIO_S6G_REVID			0x0104
> +#define HSIO_MCB_S6G_ADDR_CFG		0x0108
> +#define HSIO_HW_CFG			0x010c
> +#define HSIO_HW_QSGMII_CFG		0x0110
> +#define HSIO_HW_QSGMII_STAT		0x0114
> +#define HSIO_CLK_CFG			0x0118
> +#define HSIO_TEMP_SENSOR_CTRL		0x011c
> +#define HSIO_TEMP_SENSOR_CFG		0x0120
> +#define HSIO_TEMP_SENSOR_STAT		0x0124
> +
>  #define HSIO_PLL5G_CFG0_ENA_ROT                           BIT(31)
>  #define HSIO_PLL5G_CFG0_ENA_LANE                          BIT(30)
>  #define HSIO_PLL5G_CFG0_ENA_CLKTREE                       BIT(29)
> -- 
> git-series 0.9.1

-- 
Alexandre Belloni, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com

  reply	other threads:[~2018-07-31  8:02 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-30 12:43 [PATCH 00/10] mscc: ocelot: add support for SerDes muxing configuration Quentin Schulz
2018-07-30 12:43 ` [PATCH net-next 01/10] MIPS: mscc: ocelot: make HSIO registers address range a syscon Quentin Schulz
2018-07-31  7:51   ` Alexandre Belloni
2018-07-30 12:43 ` [PATCH net-next 02/10] dt-bindings: net: ocelot: remove hsio from the list of register address spaces Quentin Schulz
2018-07-31  7:52   ` Alexandre Belloni
2018-08-13 22:31   ` Rob Herring
2018-08-14  6:49     ` Quentin Schulz
2018-08-14 12:41       ` Alexandre Belloni
2018-08-16 14:25         ` Quentin Schulz
2018-08-27 20:57           ` Alexandre Belloni
2018-07-30 12:43 ` [PATCH net-next 03/10] net: mscc: ocelot: get HSIO regmap from syscon Quentin Schulz
2018-07-31  7:53   ` Alexandre Belloni
2018-07-30 12:43 ` [PATCH net-next 04/10] net: mscc: ocelot: move the HSIO header to include/soc Quentin Schulz
2018-07-31  8:02   ` Alexandre Belloni
2018-07-30 12:43 ` [PATCH net-next 05/10] net: mscc: ocelot: simplify register access for PLL5 configuration Quentin Schulz
2018-07-31  8:02   ` Alexandre Belloni [this message]
2018-07-30 12:43 ` [PATCH 06/10] phy: add QSGMII and PCIE modes Quentin Schulz
2018-07-30 12:43 ` [PATCH 07/10] dt-bindings: phy: add DT binding for Microsemi Ocelot SerDes muxing Quentin Schulz
2018-07-30 13:34   ` Andrew Lunn
2018-08-01  8:24     ` Quentin Schulz
2018-08-01 14:31       ` Andrew Lunn
2018-08-06 12:47         ` Quentin Schulz
2018-07-30 13:38   ` Andrew Lunn
2018-07-30 21:39   ` Florian Fainelli
2018-08-01  8:15     ` Quentin Schulz
2018-08-13 22:37       ` Rob Herring
2018-08-14 12:45         ` Alexandre Belloni
2018-07-30 12:43 ` [PATCH 08/10] MIPS: mscc: ocelot: add SerDes mux DT node Quentin Schulz
2018-07-30 12:43 ` [PATCH 09/10] phy: add driver for Microsemi Ocelot SerDes muxing Quentin Schulz
2018-07-30 12:43 ` [PATCH net-next 10/10] net: mscc: ocelot: make use of SerDes PHYs for handling their configuration Quentin Schulz
2018-07-30 13:50   ` Andrew Lunn
2018-08-01  7:51     ` Quentin Schulz
2018-07-30 13:01 ` [PATCH 00/10] mscc: ocelot: add support for SerDes muxing configuration Quentin Schulz
2018-07-30 13:24 ` Andrew Lunn
2018-08-01  7:54   ` Quentin Schulz

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