From: Oleksij Rempel <o.rempel@pengutronix.de> To: Peng Fan <peng.fan@nxp.com>, "shawnguo@kernel.org" <shawnguo@kernel.org>, "s.hauer@pengutronix.de" <s.hauer@pengutronix.de>, "jassisinghbrar@gmail.com" <jassisinghbrar@gmail.com>, "robh+dt@kernel.org" <robh+dt@kernel.org> Cc: Aisheng Dong <aisheng.dong@nxp.com>, Anson Huang <anson.huang@nxp.com>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, dl-linux-imx <linux-imx@nxp.com>, "kernel@pengutronix.de" <kernel@pengutronix.de>, Leonard Crestez <leonard.crestez@nxp.com>, "festevam@gmail.com" <festevam@gmail.com>, "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org> Subject: Re: [PATCH V3 2/4] mailbox: imx: restructure code to make easy for new MU Date: Mon, 2 Mar 2020 11:05:41 +0100 [thread overview] Message-ID: <e0bc54a4-92e9-3089-cb0f-b46c98e327f9@pengutronix.de> (raw) In-Reply-To: <AM0PR04MB4481E7A469C74773C387B00488E70@AM0PR04MB4481.eurprd04.prod.outlook.com> On 02.03.20 10:58, Peng Fan wrote: > Hi Oleksij, > >> Subject: Re: [PATCH V3 2/4] mailbox: imx: restructure code to make easy for >> new MU >> >> Hi Peng, >> >> On 26.02.20 05:40, peng.fan@nxp.com wrote: >>> From: Peng Fan <peng.fan@nxp.com> >>> >>> Add imx_mu_generic_tx for data send and imx_mu_generic_rx for >>> interrupt data receive. >>> Add 'type' for MU type. >>> >>> With these, it will be a bit easy to introduce i.MX8/8X SCU type MU >>> dedicated to communicate with SCU. >>> >>> Signed-off-by: Peng Fan <peng.fan@nxp.com> >>> --- >>> >>> V3: >>> New patch, restructure code. >>> >>> drivers/mailbox/imx-mailbox.c | 100 >> ++++++++++++++++++++++++++++-------------- >>> 1 file changed, 67 insertions(+), 33 deletions(-) >>> >>> diff --git a/drivers/mailbox/imx-mailbox.c >>> b/drivers/mailbox/imx-mailbox.c index 2cdcdc5f1119..901a3431fdb5 >>> 100644 >>> --- a/drivers/mailbox/imx-mailbox.c >>> +++ b/drivers/mailbox/imx-mailbox.c >>> @@ -36,7 +36,17 @@ enum imx_mu_chan_type { >>> IMX_MU_TYPE_RXDB, /* Rx doorbell */ >>> }; >>> >>> +enum imx_mu_type { >>> + IMX_MU_TYPE_GENERIC, >>> +}; >> >> I assume this enum is not needed, see my next email > > This is to just differentiate with SCU MU, ok, will check your next email. > Then back if anything I not follow up. > >>> +struct imx_mu_priv; >>> +struct imx_mu_con_priv; >>> + >>> struct imx_mu_dcfg { >>> + enum imx_mu_type type; >>> + int (*tx)(struct imx_mu_priv *priv, struct imx_mu_con_priv *cp, void >> *data); >>> + int (*rx)(struct imx_mu_priv *priv, struct imx_mu_con_priv *cp); >>> u32 xTR[4]; /* Transmit Registers */ >>> u32 xRR[4]; /* Receive Registers */ >>> u32 xSR; /* Status Register */ >>> @@ -67,20 +77,6 @@ struct imx_mu_priv { >>> bool side_b; >>> }; >>> >>> -static const struct imx_mu_dcfg imx_mu_cfg_imx6sx = { >>> - .xTR = {0x0, 0x4, 0x8, 0xc}, >>> - .xRR = {0x10, 0x14, 0x18, 0x1c}, >>> - .xSR = 0x20, >>> - .xCR = 0x24, >>> -}; >>> - >>> -static const struct imx_mu_dcfg imx_mu_cfg_imx7ulp = { >>> - .xTR = {0x20, 0x24, 0x28, 0x2c}, >>> - .xRR = {0x40, 0x44, 0x48, 0x4c}, >>> - .xSR = 0x60, >>> - .xCR = 0x64, >>> -}; >> >> Please, do not move it. > > Ok. Then I need to add imx_mu_generic_tx prototype above the > upper two. Ah... this was the reason. Then please ignore my comment :) > Thanks, > Peng. > >> >>> static struct imx_mu_priv *to_imx_mu_priv(struct mbox_controller >> *mbox) >>> { >>> return container_of(mbox, struct imx_mu_priv, mbox); @@ -111,6 >>> +107,40 @@ static u32 imx_mu_xcr_rmw(struct imx_mu_priv *priv, u32 set, >> u32 clr) >>> return val; >>> } >>> >>> +static int imx_mu_generic_tx(struct imx_mu_priv *priv, >>> + struct imx_mu_con_priv *cp, >>> + void *data) >>> +{ >>> + u32 *arg = data; >>> + >>> + switch (cp->type) { >>> + case IMX_MU_TYPE_TX: >>> + imx_mu_write(priv, *arg, priv->dcfg->xTR[cp->idx]); >>> + imx_mu_xcr_rmw(priv, IMX_MU_xCR_TIEn(cp->idx), 0); >>> + break; >>> + case IMX_MU_TYPE_TXDB: >>> + imx_mu_xcr_rmw(priv, IMX_MU_xCR_GIRn(cp->idx), 0); >>> + tasklet_schedule(&cp->txdb_tasklet); >>> + break; >>> + default: >>> + dev_warn_ratelimited(priv->dev, "Send data on wrong channel >> type: %d\n", cp->type); >>> + return -EINVAL; >>> + } >>> + >>> + return 0; >>> +} >>> + >>> +static int imx_mu_generic_rx(struct imx_mu_priv *priv, >>> + struct imx_mu_con_priv *cp) >>> +{ >>> + u32 dat; >>> + >>> + dat = imx_mu_read(priv, priv->dcfg->xRR[cp->idx]); >>> + mbox_chan_received_data(cp->chan, (void *)&dat); >>> + >>> + return 0; >>> +} >>> + >>> static void imx_mu_txdb_tasklet(unsigned long data) >>> { >>> struct imx_mu_con_priv *cp = (struct imx_mu_con_priv *)data; @@ >>> -123,7 +153,7 @@ static irqreturn_t imx_mu_isr(int irq, void *p) >>> struct mbox_chan *chan = p; >>> struct imx_mu_priv *priv = to_imx_mu_priv(chan->mbox); >>> struct imx_mu_con_priv *cp = chan->con_priv; >>> - u32 val, ctrl, dat; >>> + u32 val, ctrl; >>> >>> ctrl = imx_mu_read(priv, priv->dcfg->xCR); >>> val = imx_mu_read(priv, priv->dcfg->xSR); @@ -152,8 +182,7 @@ >>> static irqreturn_t imx_mu_isr(int irq, void *p) >>> imx_mu_xcr_rmw(priv, 0, IMX_MU_xCR_TIEn(cp->idx)); >>> mbox_chan_txdone(chan, 0); >>> } else if (val == IMX_MU_xSR_RFn(cp->idx)) { >>> - dat = imx_mu_read(priv, priv->dcfg->xRR[cp->idx]); >>> - mbox_chan_received_data(chan, (void *)&dat); >>> + priv->dcfg->rx(priv, cp); >>> } else if (val == IMX_MU_xSR_GIPn(cp->idx)) { >>> imx_mu_write(priv, IMX_MU_xSR_GIPn(cp->idx), >> priv->dcfg->xSR); >>> mbox_chan_received_data(chan, NULL); @@ -169,23 +198,8 >> @@ static >>> int imx_mu_send_data(struct mbox_chan *chan, void *data) >>> { >>> struct imx_mu_priv *priv = to_imx_mu_priv(chan->mbox); >>> struct imx_mu_con_priv *cp = chan->con_priv; >>> - u32 *arg = data; >>> - >>> - switch (cp->type) { >>> - case IMX_MU_TYPE_TX: >>> - imx_mu_write(priv, *arg, priv->dcfg->xTR[cp->idx]); >>> - imx_mu_xcr_rmw(priv, IMX_MU_xCR_TIEn(cp->idx), 0); >>> - break; >>> - case IMX_MU_TYPE_TXDB: >>> - imx_mu_xcr_rmw(priv, IMX_MU_xCR_GIRn(cp->idx), 0); >>> - tasklet_schedule(&cp->txdb_tasklet); >>> - break; >>> - default: >>> - dev_warn_ratelimited(priv->dev, "Send data on wrong channel >> type: %d\n", cp->type); >>> - return -EINVAL; >>> - } >>> >>> - return 0; >>> + return priv->dcfg->tx(priv, cp, data); >>> } >>> >>> static int imx_mu_startup(struct mbox_chan *chan) @@ -367,6 +381,26 >>> @@ static int imx_mu_remove(struct platform_device *pdev) >>> return 0; >>> } >>> >>> +static const struct imx_mu_dcfg imx_mu_cfg_imx6sx = { >>> + .type = IMX_MU_TYPE_GENERIC, >>> + .tx = imx_mu_generic_tx, >>> + .rx = imx_mu_generic_rx, >>> + .xTR = {0x0, 0x4, 0x8, 0xc}, >>> + .xRR = {0x10, 0x14, 0x18, 0x1c}, >>> + .xSR = 0x20, >>> + .xCR = 0x24, >>> +}; >>> + >>> +static const struct imx_mu_dcfg imx_mu_cfg_imx7ulp = { >>> + .type = IMX_MU_TYPE_GENERIC, >>> + .tx = imx_mu_generic_tx, >>> + .rx = imx_mu_generic_rx, >>> + .xTR = {0x20, 0x24, 0x28, 0x2c}, >>> + .xRR = {0x40, 0x44, 0x48, 0x4c}, >>> + .xSR = 0x60, >>> + .xCR = 0x64, >>> +}; >>> + >>> static const struct of_device_id imx_mu_dt_ids[] = { >>> { .compatible = "fsl,imx7ulp-mu", .data = &imx_mu_cfg_imx7ulp }, >>> { .compatible = "fsl,imx6sx-mu", .data = &imx_mu_cfg_imx6sx }, >>> >> >> Kind regards, >> Oleksij Rempel >> >> -- >> Pengutronix e.K. | >> | >> Industrial Linux Solutions | >> https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.p >> engutronix.de%2F&data=02%7C01%7Cpeng.fan%40nxp.com%7Ccf660c >> 3909e14128e65f08d7be898905%7C686ea1d3bc2b4c6fa92cd99c5c301635% >> 7C0%7C0%7C637187370224967554&sdata=ZdgIGuzpnhX1liQO4KmCtXx >> jjg%2BnDJoPze4pfVXIAig%3D&reserved=0 | >> Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 >> | >> Amtsgericht Hildesheim, HRA 2686 | Fax: >> +49-5121-206917-5555 | Kind regards, Oleksij Rempel -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
WARNING: multiple messages have this Message-ID (diff)
From: Oleksij Rempel <o.rempel@pengutronix.de> To: Peng Fan <peng.fan@nxp.com>, "shawnguo@kernel.org" <shawnguo@kernel.org>, "s.hauer@pengutronix.de" <s.hauer@pengutronix.de>, "jassisinghbrar@gmail.com" <jassisinghbrar@gmail.com>, "robh+dt@kernel.org" <robh+dt@kernel.org> Cc: Aisheng Dong <aisheng.dong@nxp.com>, Anson Huang <anson.huang@nxp.com>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, dl-linux-imx <linux-imx@nxp.com>, "kernel@pengutronix.de" <kernel@pengutronix.de>, Leonard Crestez <leonard.crestez@nxp.com>, "festevam@gmail.com" <festevam@gmail.com>, "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org> Subject: Re: [PATCH V3 2/4] mailbox: imx: restructure code to make easy for new MU Date: Mon, 2 Mar 2020 11:05:41 +0100 [thread overview] Message-ID: <e0bc54a4-92e9-3089-cb0f-b46c98e327f9@pengutronix.de> (raw) In-Reply-To: <AM0PR04MB4481E7A469C74773C387B00488E70@AM0PR04MB4481.eurprd04.prod.outlook.com> On 02.03.20 10:58, Peng Fan wrote: > Hi Oleksij, > >> Subject: Re: [PATCH V3 2/4] mailbox: imx: restructure code to make easy for >> new MU >> >> Hi Peng, >> >> On 26.02.20 05:40, peng.fan@nxp.com wrote: >>> From: Peng Fan <peng.fan@nxp.com> >>> >>> Add imx_mu_generic_tx for data send and imx_mu_generic_rx for >>> interrupt data receive. >>> Add 'type' for MU type. >>> >>> With these, it will be a bit easy to introduce i.MX8/8X SCU type MU >>> dedicated to communicate with SCU. >>> >>> Signed-off-by: Peng Fan <peng.fan@nxp.com> >>> --- >>> >>> V3: >>> New patch, restructure code. >>> >>> drivers/mailbox/imx-mailbox.c | 100 >> ++++++++++++++++++++++++++++-------------- >>> 1 file changed, 67 insertions(+), 33 deletions(-) >>> >>> diff --git a/drivers/mailbox/imx-mailbox.c >>> b/drivers/mailbox/imx-mailbox.c index 2cdcdc5f1119..901a3431fdb5 >>> 100644 >>> --- a/drivers/mailbox/imx-mailbox.c >>> +++ b/drivers/mailbox/imx-mailbox.c >>> @@ -36,7 +36,17 @@ enum imx_mu_chan_type { >>> IMX_MU_TYPE_RXDB, /* Rx doorbell */ >>> }; >>> >>> +enum imx_mu_type { >>> + IMX_MU_TYPE_GENERIC, >>> +}; >> >> I assume this enum is not needed, see my next email > > This is to just differentiate with SCU MU, ok, will check your next email. > Then back if anything I not follow up. > >>> +struct imx_mu_priv; >>> +struct imx_mu_con_priv; >>> + >>> struct imx_mu_dcfg { >>> + enum imx_mu_type type; >>> + int (*tx)(struct imx_mu_priv *priv, struct imx_mu_con_priv *cp, void >> *data); >>> + int (*rx)(struct imx_mu_priv *priv, struct imx_mu_con_priv *cp); >>> u32 xTR[4]; /* Transmit Registers */ >>> u32 xRR[4]; /* Receive Registers */ >>> u32 xSR; /* Status Register */ >>> @@ -67,20 +77,6 @@ struct imx_mu_priv { >>> bool side_b; >>> }; >>> >>> -static const struct imx_mu_dcfg imx_mu_cfg_imx6sx = { >>> - .xTR = {0x0, 0x4, 0x8, 0xc}, >>> - .xRR = {0x10, 0x14, 0x18, 0x1c}, >>> - .xSR = 0x20, >>> - .xCR = 0x24, >>> -}; >>> - >>> -static const struct imx_mu_dcfg imx_mu_cfg_imx7ulp = { >>> - .xTR = {0x20, 0x24, 0x28, 0x2c}, >>> - .xRR = {0x40, 0x44, 0x48, 0x4c}, >>> - .xSR = 0x60, >>> - .xCR = 0x64, >>> -}; >> >> Please, do not move it. > > Ok. Then I need to add imx_mu_generic_tx prototype above the > upper two. Ah... this was the reason. Then please ignore my comment :) > Thanks, > Peng. > >> >>> static struct imx_mu_priv *to_imx_mu_priv(struct mbox_controller >> *mbox) >>> { >>> return container_of(mbox, struct imx_mu_priv, mbox); @@ -111,6 >>> +107,40 @@ static u32 imx_mu_xcr_rmw(struct imx_mu_priv *priv, u32 set, >> u32 clr) >>> return val; >>> } >>> >>> +static int imx_mu_generic_tx(struct imx_mu_priv *priv, >>> + struct imx_mu_con_priv *cp, >>> + void *data) >>> +{ >>> + u32 *arg = data; >>> + >>> + switch (cp->type) { >>> + case IMX_MU_TYPE_TX: >>> + imx_mu_write(priv, *arg, priv->dcfg->xTR[cp->idx]); >>> + imx_mu_xcr_rmw(priv, IMX_MU_xCR_TIEn(cp->idx), 0); >>> + break; >>> + case IMX_MU_TYPE_TXDB: >>> + imx_mu_xcr_rmw(priv, IMX_MU_xCR_GIRn(cp->idx), 0); >>> + tasklet_schedule(&cp->txdb_tasklet); >>> + break; >>> + default: >>> + dev_warn_ratelimited(priv->dev, "Send data on wrong channel >> type: %d\n", cp->type); >>> + return -EINVAL; >>> + } >>> + >>> + return 0; >>> +} >>> + >>> +static int imx_mu_generic_rx(struct imx_mu_priv *priv, >>> + struct imx_mu_con_priv *cp) >>> +{ >>> + u32 dat; >>> + >>> + dat = imx_mu_read(priv, priv->dcfg->xRR[cp->idx]); >>> + mbox_chan_received_data(cp->chan, (void *)&dat); >>> + >>> + return 0; >>> +} >>> + >>> static void imx_mu_txdb_tasklet(unsigned long data) >>> { >>> struct imx_mu_con_priv *cp = (struct imx_mu_con_priv *)data; @@ >>> -123,7 +153,7 @@ static irqreturn_t imx_mu_isr(int irq, void *p) >>> struct mbox_chan *chan = p; >>> struct imx_mu_priv *priv = to_imx_mu_priv(chan->mbox); >>> struct imx_mu_con_priv *cp = chan->con_priv; >>> - u32 val, ctrl, dat; >>> + u32 val, ctrl; >>> >>> ctrl = imx_mu_read(priv, priv->dcfg->xCR); >>> val = imx_mu_read(priv, priv->dcfg->xSR); @@ -152,8 +182,7 @@ >>> static irqreturn_t imx_mu_isr(int irq, void *p) >>> imx_mu_xcr_rmw(priv, 0, IMX_MU_xCR_TIEn(cp->idx)); >>> mbox_chan_txdone(chan, 0); >>> } else if (val == IMX_MU_xSR_RFn(cp->idx)) { >>> - dat = imx_mu_read(priv, priv->dcfg->xRR[cp->idx]); >>> - mbox_chan_received_data(chan, (void *)&dat); >>> + priv->dcfg->rx(priv, cp); >>> } else if (val == IMX_MU_xSR_GIPn(cp->idx)) { >>> imx_mu_write(priv, IMX_MU_xSR_GIPn(cp->idx), >> priv->dcfg->xSR); >>> mbox_chan_received_data(chan, NULL); @@ -169,23 +198,8 >> @@ static >>> int imx_mu_send_data(struct mbox_chan *chan, void *data) >>> { >>> struct imx_mu_priv *priv = to_imx_mu_priv(chan->mbox); >>> struct imx_mu_con_priv *cp = chan->con_priv; >>> - u32 *arg = data; >>> - >>> - switch (cp->type) { >>> - case IMX_MU_TYPE_TX: >>> - imx_mu_write(priv, *arg, priv->dcfg->xTR[cp->idx]); >>> - imx_mu_xcr_rmw(priv, IMX_MU_xCR_TIEn(cp->idx), 0); >>> - break; >>> - case IMX_MU_TYPE_TXDB: >>> - imx_mu_xcr_rmw(priv, IMX_MU_xCR_GIRn(cp->idx), 0); >>> - tasklet_schedule(&cp->txdb_tasklet); >>> - break; >>> - default: >>> - dev_warn_ratelimited(priv->dev, "Send data on wrong channel >> type: %d\n", cp->type); >>> - return -EINVAL; >>> - } >>> >>> - return 0; >>> + return priv->dcfg->tx(priv, cp, data); >>> } >>> >>> static int imx_mu_startup(struct mbox_chan *chan) @@ -367,6 +381,26 >>> @@ static int imx_mu_remove(struct platform_device *pdev) >>> return 0; >>> } >>> >>> +static const struct imx_mu_dcfg imx_mu_cfg_imx6sx = { >>> + .type = IMX_MU_TYPE_GENERIC, >>> + .tx = imx_mu_generic_tx, >>> + .rx = imx_mu_generic_rx, >>> + .xTR = {0x0, 0x4, 0x8, 0xc}, >>> + .xRR = {0x10, 0x14, 0x18, 0x1c}, >>> + .xSR = 0x20, >>> + .xCR = 0x24, >>> +}; >>> + >>> +static const struct imx_mu_dcfg imx_mu_cfg_imx7ulp = { >>> + .type = IMX_MU_TYPE_GENERIC, >>> + .tx = imx_mu_generic_tx, >>> + .rx = imx_mu_generic_rx, >>> + .xTR = {0x20, 0x24, 0x28, 0x2c}, >>> + .xRR = {0x40, 0x44, 0x48, 0x4c}, >>> + .xSR = 0x60, >>> + .xCR = 0x64, >>> +}; >>> + >>> static const struct of_device_id imx_mu_dt_ids[] = { >>> { .compatible = "fsl,imx7ulp-mu", .data = &imx_mu_cfg_imx7ulp }, >>> { .compatible = "fsl,imx6sx-mu", .data = &imx_mu_cfg_imx6sx }, >>> >> >> Kind regards, >> Oleksij Rempel >> >> -- >> Pengutronix e.K. | >> | >> Industrial Linux Solutions | >> https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.p >> engutronix.de%2F&data=02%7C01%7Cpeng.fan%40nxp.com%7Ccf660c >> 3909e14128e65f08d7be898905%7C686ea1d3bc2b4c6fa92cd99c5c301635% >> 7C0%7C0%7C637187370224967554&sdata=ZdgIGuzpnhX1liQO4KmCtXx >> jjg%2BnDJoPze4pfVXIAig%3D&reserved=0 | >> Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 >> | >> Amtsgericht Hildesheim, HRA 2686 | Fax: >> +49-5121-206917-5555 | Kind regards, Oleksij Rempel -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-03-02 10:05 UTC|newest] Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-02-26 4:40 [PATCH V3 0/4] mailbox/firmware: imx: support SCU channel type peng.fan 2020-02-26 4:40 ` peng.fan 2020-02-26 4:40 ` [PATCH V3 1/4] dt-bindings: mailbox: imx-mu: add SCU MU support peng.fan 2020-02-26 4:40 ` peng.fan 2020-02-26 4:40 ` [PATCH V3 2/4] mailbox: imx: restructure code to make easy for new MU peng.fan 2020-02-26 4:40 ` peng.fan 2020-03-02 9:10 ` Oleksij Rempel 2020-03-02 9:10 ` Oleksij Rempel 2020-03-02 9:58 ` Peng Fan 2020-03-02 9:58 ` Peng Fan 2020-03-02 10:05 ` Oleksij Rempel [this message] 2020-03-02 10:05 ` Oleksij Rempel 2020-02-26 4:40 ` [PATCH V3 3/4] mailbox: imx: add SCU MU support peng.fan 2020-02-26 4:40 ` peng.fan 2020-03-02 9:47 ` Oleksij Rempel 2020-03-02 9:47 ` Oleksij Rempel 2020-03-02 10:04 ` Peng Fan 2020-03-02 10:04 ` Peng Fan 2020-02-26 4:40 ` [PATCH V3 4/4] firmware: imx-scu: Support one TX and one RX peng.fan 2020-02-26 4:40 ` peng.fan
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