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Date: Mon, 19 Nov 2018 17:07:32 +0000
From: Russell King - ARM Linux <linux@...linux.org.uk>
To: Grygorii Strashko <grygorii.strashko@...com>
Cc: "David S. Miller" <davem@...emloft.net>,
Kishon Vijay Abraham I <kishon@...com>,
netdev@...r.kernel.org, Sekhar Nori <nsekhar@...com>,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
Tony Lindgren <tony@...mide.com>,
linux-amlogic@...ts.infradead.org,
linux-mediatek@...ts.infradead.org,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
Antoine Tenart <antoine.tenart@...e-electrons.com>,
Quentin Schulz <quentin.schulz@...tlin.com>,
Vivek Gautam <vivek.gautam@...eaurora.org>,
Maxime Ripard <maxime.ripard@...tlin.com>,
Chen-Yu Tsai <wens@...e.org>, Carlo Caione <carlo@...one.org>,
Chunfeng Yun <chunfeng.yun@...iatek.com>,
Matthias Brugger <matthias.bgg@...il.com>,
Manu Gautam <mgautam@...eaurora.org>
Subject: Re: [PATCH v2 4/5] phy: mvebu-cp110-comphy: convert to use eth phy
mode and submode
On Fri, Nov 09, 2018 at 05:47:54PM -0600, Grygorii Strashko wrote:
> Convert mvebu-cp110-comphy PHY driver to use recently introduced
> PHY_MODE_ETHERNET and phy_set_mode_ext().
>
> Signed-off-by: Grygorii Strashko <grygorii.strashko@...com>
> ---
> drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 19 +-----
> drivers/phy/marvell/phy-mvebu-cp110-comphy.c | 83 ++++++++++++++-----------
> 2 files changed, 48 insertions(+), 54 deletions(-)
>
> diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
> index 7a37a37..731793a 100644
> --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
> +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
> @@ -1165,28 +1165,13 @@ static void mvpp22_gop_setup_irq(struct mvpp2_port *port)
> */
> static int mvpp22_comphy_init(struct mvpp2_port *port)
> {
> - enum phy_mode mode;
> int ret;
>
> if (!port->comphy)
> return 0;
>
> - switch (port->phy_interface) {
> - case PHY_INTERFACE_MODE_SGMII:
> - case PHY_INTERFACE_MODE_1000BASEX:
> - mode = PHY_MODE_SGMII;
> - break;
> - case PHY_INTERFACE_MODE_2500BASEX:
> - mode = PHY_MODE_2500SGMII;
> - break;
> - case PHY_INTERFACE_MODE_10GKR:
> - mode = PHY_MODE_10GKR;
> - break;
> - default:
> - return -EINVAL;
> - }
> -
> - ret = phy_set_mode(port->comphy, mode);
> + ret = phy_set_mode_ext(port->comphy, PHY_MODE_ETHERNET,
> + port->phy_interface);
> if (ret)
> return ret;
>
> diff --git a/drivers/phy/marvell/phy-mvebu-cp110-comphy.c b/drivers/phy/marvell/phy-mvebu-cp110-comphy.c
> index 79b52c3..7dee72b 100644
> --- a/drivers/phy/marvell/phy-mvebu-cp110-comphy.c
> +++ b/drivers/phy/marvell/phy-mvebu-cp110-comphy.c
> @@ -9,6 +9,7 @@
> #include <linux/iopoll.h>
> #include <linux/mfd/syscon.h>
> #include <linux/module.h>
> +#include <linux/phy.h>
> #include <linux/phy/phy.h>
> #include <linux/platform_device.h>
> #include <linux/regmap.h>
> @@ -131,26 +132,26 @@ struct mvebu_comhy_conf {
>
> static const struct mvebu_comhy_conf mvebu_comphy_cp110_modes[] = {
> /* lane 0 */
> - MVEBU_COMPHY_CONF(0, 1, PHY_MODE_SGMII, 0x1),
> - MVEBU_COMPHY_CONF(0, 1, PHY_MODE_2500SGMII, 0x1),
> + MVEBU_COMPHY_CONF(0, 1, PHY_INTERFACE_MODE_SGMII, 0x1),
> + MVEBU_COMPHY_CONF(0, 1, PHY_INTERFACE_MODE_2500BASEX, 0x1),
> /* lane 1 */
> - MVEBU_COMPHY_CONF(1, 2, PHY_MODE_SGMII, 0x1),
> - MVEBU_COMPHY_CONF(1, 2, PHY_MODE_2500SGMII, 0x1),
> + MVEBU_COMPHY_CONF(1, 2, PHY_INTERFACE_MODE_SGMII, 0x1),
> + MVEBU_COMPHY_CONF(1, 2, PHY_INTERFACE_MODE_2500BASEX, 0x1),
> /* lane 2 */
> - MVEBU_COMPHY_CONF(2, 0, PHY_MODE_SGMII, 0x1),
> - MVEBU_COMPHY_CONF(2, 0, PHY_MODE_2500SGMII, 0x1),
> - MVEBU_COMPHY_CONF(2, 0, PHY_MODE_10GKR, 0x1),
> + MVEBU_COMPHY_CONF(2, 0, PHY_INTERFACE_MODE_SGMII, 0x1),
> + MVEBU_COMPHY_CONF(2, 0, PHY_INTERFACE_MODE_2500BASEX, 0x1),
> + MVEBU_COMPHY_CONF(2, 0, PHY_INTERFACE_MODE_10GKR, 0x1),
> /* lane 3 */
> - MVEBU_COMPHY_CONF(3, 1, PHY_MODE_SGMII, 0x2),
> - MVEBU_COMPHY_CONF(3, 1, PHY_MODE_2500SGMII, 0x2),
> + MVEBU_COMPHY_CONF(3, 1, PHY_INTERFACE_MODE_SGMII, 0x2),
> + MVEBU_COMPHY_CONF(3, 1, PHY_INTERFACE_MODE_2500BASEX, 0x2),
> /* lane 4 */
> - MVEBU_COMPHY_CONF(4, 0, PHY_MODE_SGMII, 0x2),
> - MVEBU_COMPHY_CONF(4, 0, PHY_MODE_2500SGMII, 0x2),
> - MVEBU_COMPHY_CONF(4, 0, PHY_MODE_10GKR, 0x2),
> - MVEBU_COMPHY_CONF(4, 1, PHY_MODE_SGMII, 0x1),
> + MVEBU_COMPHY_CONF(4, 0, PHY_INTERFACE_MODE_SGMII, 0x2),
> + MVEBU_COMPHY_CONF(4, 0, PHY_INTERFACE_MODE_2500BASEX, 0x2),
> + MVEBU_COMPHY_CONF(4, 0, PHY_INTERFACE_MODE_10GKR, 0x2),
> + MVEBU_COMPHY_CONF(4, 1, PHY_INTERFACE_MODE_SGMII, 0x1),
> /* lane 5 */
> - MVEBU_COMPHY_CONF(5, 2, PHY_MODE_SGMII, 0x1),
> - MVEBU_COMPHY_CONF(5, 2, PHY_MODE_2500SGMII, 0x1),
> + MVEBU_COMPHY_CONF(5, 2, PHY_INTERFACE_MODE_SGMII, 0x1),
> + MVEBU_COMPHY_CONF(5, 2, PHY_INTERFACE_MODE_2500BASEX, 0x1),
> };
>
> struct mvebu_comphy_priv {
> @@ -163,10 +164,12 @@ struct mvebu_comphy_lane {
> struct mvebu_comphy_priv *priv;
> unsigned id;
> enum phy_mode mode;
> + int submode;
> int port;
> };
>
> -static int mvebu_comphy_get_mux(int lane, int port, enum phy_mode mode)
> +static int mvebu_comphy_get_mux(int lane, int port,
> + enum phy_mode mode, int submode)
> {
> int i, n = ARRAY_SIZE(mvebu_comphy_cp110_modes);
>
> @@ -177,7 +180,7 @@ static int mvebu_comphy_get_mux(int lane, int port, enum phy_mode mode)
> for (i = 0; i < n; i++) {
> if (mvebu_comphy_cp110_modes[i].lane == lane &&
> mvebu_comphy_cp110_modes[i].port == port &&
> - mvebu_comphy_cp110_modes[i].mode == mode)
> + mvebu_comphy_cp110_modes[i].mode == submode)
This looks like it could be a future source of problems, since we
have both a "mode" and a "submode". Is there any reason not to
rename mvebu_comphy_cp110_modes's .mode member to be .submode ?
--
RMK's Patch system: http://www.armlinux.org.uk/developer/patches/
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