From: <cristian.birsan@microchip.com> To: <balbi@kernel.org>, <gregkh@linuxfoundation.org>, <nicolas.ferre@microchip.com>, <linux-arm-kernel@lists.infradead.org>, <linux-usb@vger.kernel.org>, <linux-kernel@vger.kernel.org> Cc: <alexandre.belloni@bootlin.com>, <ludovic.desroches@microchip.com>, Claudiu Beznea <claudiu.beznea@microchip.com> Subject: [PATCH 1/7] usb: gadget: udc: atmel: use of_find_matching_node_and_match Date: Tue, 7 Apr 2020 15:28:46 +0300 [thread overview] Message-ID: <20200407122852.19422-2-cristian.birsan@microchip.com> (raw) In-Reply-To: <20200407122852.19422-1-cristian.birsan@microchip.com> From: Claudiu Beznea <claudiu.beznea@microchip.com> Instead of trying to match every possible compatible use of_find_matching_node_and_match() and pass the compatible array. Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com> --- drivers/usb/gadget/udc/atmel_usba_udc.c | 24 +++++++++++++++++------- 1 file changed, 17 insertions(+), 7 deletions(-) diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c index 6e0432141c40..32e5b44d9fbd 100644 --- a/drivers/usb/gadget/udc/atmel_usba_udc.c +++ b/drivers/usb/gadget/udc/atmel_usba_udc.c @@ -2052,6 +2052,12 @@ static const struct of_device_id atmel_udc_dt_ids[] = { MODULE_DEVICE_TABLE(of, atmel_udc_dt_ids); +static const struct of_device_id atmel_pmc_dt_ids[] = { + { .compatible = "atmel,at91sam9g45-pmc" }, + { .compatible = "atmel,at91sam9rl-pmc" }, + { .compatible = "atmel,at91sam9x5-pmc" }, +}; + static struct usba_ep * atmel_udc_of_init(struct platform_device *pdev, struct usba_udc *udc) { @@ -2067,13 +2073,17 @@ static struct usba_ep * atmel_udc_of_init(struct platform_device *pdev, return ERR_PTR(-EINVAL); udc->errata = match->data; - udc->pmc = syscon_regmap_lookup_by_compatible("atmel,at91sam9g45-pmc"); - if (IS_ERR(udc->pmc)) - udc->pmc = syscon_regmap_lookup_by_compatible("atmel,at91sam9rl-pmc"); - if (IS_ERR(udc->pmc)) - udc->pmc = syscon_regmap_lookup_by_compatible("atmel,at91sam9x5-pmc"); - if (udc->errata && IS_ERR(udc->pmc)) - return ERR_CAST(udc->pmc); + if (udc->errata) { + pp = of_find_matching_node_and_match(NULL, atmel_pmc_dt_ids, + NULL); + if (!pp) + return ERR_PTR(-ENODEV); + + udc->pmc = syscon_node_to_regmap(pp); + of_node_put(pp); + if (IS_ERR(udc->pmc)) + return ERR_CAST(udc->pmc); + } udc->num_ep = 0; -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: <cristian.birsan@microchip.com> To: <balbi@kernel.org>, <gregkh@linuxfoundation.org>, <nicolas.ferre@microchip.com>, <linux-arm-kernel@lists.infradead.org>, <linux-usb@vger.kernel.org>, <linux-kernel@vger.kernel.org> Cc: alexandre.belloni@bootlin.com, ludovic.desroches@microchip.com, Claudiu Beznea <claudiu.beznea@microchip.com> Subject: [PATCH 1/7] usb: gadget: udc: atmel: use of_find_matching_node_and_match Date: Tue, 7 Apr 2020 15:28:46 +0300 [thread overview] Message-ID: <20200407122852.19422-2-cristian.birsan@microchip.com> (raw) In-Reply-To: <20200407122852.19422-1-cristian.birsan@microchip.com> From: Claudiu Beznea <claudiu.beznea@microchip.com> Instead of trying to match every possible compatible use of_find_matching_node_and_match() and pass the compatible array. Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com> --- drivers/usb/gadget/udc/atmel_usba_udc.c | 24 +++++++++++++++++------- 1 file changed, 17 insertions(+), 7 deletions(-) diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c index 6e0432141c40..32e5b44d9fbd 100644 --- a/drivers/usb/gadget/udc/atmel_usba_udc.c +++ b/drivers/usb/gadget/udc/atmel_usba_udc.c @@ -2052,6 +2052,12 @@ static const struct of_device_id atmel_udc_dt_ids[] = { MODULE_DEVICE_TABLE(of, atmel_udc_dt_ids); +static const struct of_device_id atmel_pmc_dt_ids[] = { + { .compatible = "atmel,at91sam9g45-pmc" }, + { .compatible = "atmel,at91sam9rl-pmc" }, + { .compatible = "atmel,at91sam9x5-pmc" }, +}; + static struct usba_ep * atmel_udc_of_init(struct platform_device *pdev, struct usba_udc *udc) { @@ -2067,13 +2073,17 @@ static struct usba_ep * atmel_udc_of_init(struct platform_device *pdev, return ERR_PTR(-EINVAL); udc->errata = match->data; - udc->pmc = syscon_regmap_lookup_by_compatible("atmel,at91sam9g45-pmc"); - if (IS_ERR(udc->pmc)) - udc->pmc = syscon_regmap_lookup_by_compatible("atmel,at91sam9rl-pmc"); - if (IS_ERR(udc->pmc)) - udc->pmc = syscon_regmap_lookup_by_compatible("atmel,at91sam9x5-pmc"); - if (udc->errata && IS_ERR(udc->pmc)) - return ERR_CAST(udc->pmc); + if (udc->errata) { + pp = of_find_matching_node_and_match(NULL, atmel_pmc_dt_ids, + NULL); + if (!pp) + return ERR_PTR(-ENODEV); + + udc->pmc = syscon_node_to_regmap(pp); + of_node_put(pp); + if (IS_ERR(udc->pmc)) + return ERR_CAST(udc->pmc); + } udc->num_ep = 0; -- 2.17.1 _______________________________________________ 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:[~2020-04-07 12:29 UTC|newest] Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-04-07 12:28 [PATCH 0/7] usb: gadget: udc: atmel: add usb device support for SAM9x60 SoC cristian.birsan 2020-04-07 12:28 ` cristian.birsan 2020-04-07 12:28 ` cristian.birsan [this message] 2020-04-07 12:28 ` [PATCH 1/7] usb: gadget: udc: atmel: use of_find_matching_node_and_match cristian.birsan 2020-04-07 12:28 ` [PATCH 2/7] usb: gadget: udc: atmel: add compatible for SAM9X60's PMC cristian.birsan 2020-04-07 12:28 ` cristian.birsan 2020-04-07 13:41 ` Alexandre Belloni 2020-04-07 13:41 ` Alexandre Belloni 2020-04-07 14:04 ` Cristian.Birsan 2020-04-07 14:04 ` Cristian.Birsan 2020-04-07 12:28 ` [PATCH 3/7] usb: gadget: at91_udc: Update DT binding documentation cristian.birsan 2020-04-07 12:28 ` cristian.birsan 2020-04-07 13:45 ` Alexandre Belloni 2020-04-07 13:45 ` Alexandre Belloni 2020-04-07 13:59 ` Cristian.Birsan 2020-04-07 13:59 ` Cristian.Birsan 2020-04-07 14:04 ` Alexandre Belloni 2020-04-07 14:04 ` Alexandre Belloni 2020-04-07 12:28 ` [PATCH 4/7] usb: gadget: udc: atmel: simplify endpoint allocation cristian.birsan 2020-04-07 12:28 ` cristian.birsan 2020-04-07 12:28 ` [PATCH 5/7] usb: gadget: udc: atmel: use 1 bank endpoints for control transfers cristian.birsan 2020-04-07 12:28 ` cristian.birsan 2020-04-07 12:28 ` [PATCH 6/7] usb: gadget: udc: atmel: rename errata into caps cristian.birsan 2020-04-07 12:28 ` cristian.birsan 2020-04-07 13:48 ` Alexandre Belloni 2020-04-07 13:48 ` Alexandre Belloni 2020-04-07 12:28 ` [PATCH 7/7] usb: gadget: udc: atmel: update endpoint allocation for sam9x60 cristian.birsan 2020-04-07 12:28 ` cristian.birsan
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