From: <cristian.birsan@microchip.com> To: <nicolas.ferre@atmel.com>, <balbi@kernel.org>, <gregkh@linuxfoundation.org>, <linux-arm-kernel@lists.infradead.org>, <linux-usb@vger.kernel.org>, <linux-kernel@vger.kernel.org> Cc: <ludovic.desroches@atmel.com>, <alexandre.belloni@free-electrons.com>, <boris.brezillon@free-electrons.com>, Cristian Birsan <cristian.birsan@microchip.com> Subject: [PATCH 1/4 linux-next] usb: gadget: udc: atmel: Check fifo configuration values against device tree Date: Tue, 14 Feb 2017 18:09:03 +0200 [thread overview] Message-ID: <f71b15dfe79e227491aced411af203297e746603.1487007870.git.cristian.birsan@microchip.com> (raw) In-Reply-To: <cover.1487007870.git.cristian.birsan@microchip.com> From: Cristian Birsan <cristian.birsan@microchip.com> Check fifo configuration values against device tree values for endpoint fifo in auto configuration mode (fifo_mode=0). Signed-off-by: Cristian Birsan <cristian.birsan@microchip.com> --- drivers/usb/gadget/udc/atmel_usba_udc.c | 26 +++++++++++++++++++++++--- 1 file changed, 23 insertions(+), 3 deletions(-) diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c index 11bbce2..ce8bf8b 100644 --- a/drivers/usb/gadget/udc/atmel_usba_udc.c +++ b/drivers/usb/gadget/udc/atmel_usba_udc.c @@ -371,7 +371,7 @@ static struct usba_fifo_cfg mode_4_cfg[] = { }; /* Add additional configurations here */ -int usba_config_fifo_table(struct usba_udc *udc) +static int usba_config_fifo_table(struct usba_udc *udc) { int n; @@ -2118,14 +2118,34 @@ static struct usba_ep * atmel_udc_of_init(struct platform_device *pdev, dev_err(&pdev->dev, "of_probe: fifo-size error(%d)\n", ret); goto err; } - ep->fifo_size = fifo_mode ? udc->fifo_cfg[i].fifo_size : val; + if (fifo_mode) { + if (val < udc->fifo_cfg[i].fifo_size) { + dev_warn(&pdev->dev, + "of_probe: fifo-size table value not supported by HW, using DT value\n"); + ep->fifo_size = val; + } else { + ep->fifo_size = udc->fifo_cfg[i].fifo_size; + } + } else { + ep->fifo_size = val; + } ret = of_property_read_u32(pp, "atmel,nb-banks", &val); if (ret) { dev_err(&pdev->dev, "of_probe: nb-banks error(%d)\n", ret); goto err; } - ep->nr_banks = fifo_mode ? udc->fifo_cfg[i].nr_banks : val; + if (fifo_mode) { + if (val < udc->fifo_cfg[i].nr_banks) { + dev_warn(&pdev->dev, + "of_probe: nb-banks table value not supported by HW, using DT value\n"); + ep->nr_banks = val; + } else { + ep->nr_banks = udc->fifo_cfg[i].nr_banks; + } + } else { + ep->nr_banks = val; + } ep->can_dma = of_property_read_bool(pp, "atmel,can-dma"); ep->can_isoc = of_property_read_bool(pp, "atmel,can-isoc"); -- 2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: cristian.birsan@microchip.com (cristian.birsan at microchip.com) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 1/4 linux-next] usb: gadget: udc: atmel: Check fifo configuration values against device tree Date: Tue, 14 Feb 2017 18:09:03 +0200 [thread overview] Message-ID: <f71b15dfe79e227491aced411af203297e746603.1487007870.git.cristian.birsan@microchip.com> (raw) In-Reply-To: <cover.1487007870.git.cristian.birsan@microchip.com> From: Cristian Birsan <cristian.birsan@microchip.com> Check fifo configuration values against device tree values for endpoint fifo in auto configuration mode (fifo_mode=0). Signed-off-by: Cristian Birsan <cristian.birsan@microchip.com> --- drivers/usb/gadget/udc/atmel_usba_udc.c | 26 +++++++++++++++++++++++--- 1 file changed, 23 insertions(+), 3 deletions(-) diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c index 11bbce2..ce8bf8b 100644 --- a/drivers/usb/gadget/udc/atmel_usba_udc.c +++ b/drivers/usb/gadget/udc/atmel_usba_udc.c @@ -371,7 +371,7 @@ static struct usba_fifo_cfg mode_4_cfg[] = { }; /* Add additional configurations here */ -int usba_config_fifo_table(struct usba_udc *udc) +static int usba_config_fifo_table(struct usba_udc *udc) { int n; @@ -2118,14 +2118,34 @@ static struct usba_ep * atmel_udc_of_init(struct platform_device *pdev, dev_err(&pdev->dev, "of_probe: fifo-size error(%d)\n", ret); goto err; } - ep->fifo_size = fifo_mode ? udc->fifo_cfg[i].fifo_size : val; + if (fifo_mode) { + if (val < udc->fifo_cfg[i].fifo_size) { + dev_warn(&pdev->dev, + "of_probe: fifo-size table value not supported by HW, using DT value\n"); + ep->fifo_size = val; + } else { + ep->fifo_size = udc->fifo_cfg[i].fifo_size; + } + } else { + ep->fifo_size = val; + } ret = of_property_read_u32(pp, "atmel,nb-banks", &val); if (ret) { dev_err(&pdev->dev, "of_probe: nb-banks error(%d)\n", ret); goto err; } - ep->nr_banks = fifo_mode ? udc->fifo_cfg[i].nr_banks : val; + if (fifo_mode) { + if (val < udc->fifo_cfg[i].nr_banks) { + dev_warn(&pdev->dev, + "of_probe: nb-banks table value not supported by HW, using DT value\n"); + ep->nr_banks = val; + } else { + ep->nr_banks = udc->fifo_cfg[i].nr_banks; + } + } else { + ep->nr_banks = val; + } ep->can_dma = of_property_read_bool(pp, "atmel,can-dma"); ep->can_isoc = of_property_read_bool(pp, "atmel,can-isoc"); -- 2.7.4
next prev parent reply other threads:[~2017-02-14 16:09 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-02-14 16:09 [PATCH 0/4 linux-next] usb: gadget: udc: atmel: Endpoint allocation scheme fixes cristian.birsan 2017-02-14 16:09 ` cristian.birsan at microchip.com 2017-02-14 16:09 ` cristian.birsan [this message] 2017-02-14 16:09 ` [PATCH 1/4 linux-next] usb: gadget: udc: atmel: Check fifo configuration values against device tree cristian.birsan at microchip.com 2017-03-06 15:06 ` Felipe Balbi 2017-03-06 15:06 ` Felipe Balbi 2017-02-14 16:09 ` [PATCH 2/4 linux-next] usb: gadget: udc: atmel: Minor code cleanup cristian.birsan 2017-02-14 16:09 ` cristian.birsan at microchip.com 2017-02-14 16:09 ` [PATCH 3/4 linux-next] usb: gadget: udc: atmel: Use dev_warn() to display EP configuration error cristian.birsan 2017-02-14 16:09 ` cristian.birsan at microchip.com 2017-02-14 16:09 ` [PATCH 4/4 linux-next] usb: gadget: udc: atmel: Update Kconfig help for fifo_mode = 0 cristian.birsan 2017-02-14 16:09 ` cristian.birsan at microchip.com 2017-02-15 9:08 ` [PATCH 0/4 linux-next] usb: gadget: udc: atmel: Endpoint allocation scheme fixes Nicolas Ferre 2017-02-15 9:08 ` Nicolas Ferre
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=f71b15dfe79e227491aced411af203297e746603.1487007870.git.cristian.birsan@microchip.com \ --to=cristian.birsan@microchip.com \ --cc=alexandre.belloni@free-electrons.com \ --cc=balbi@kernel.org \ --cc=boris.brezillon@free-electrons.com \ --cc=gregkh@linuxfoundation.org \ --cc=linux-arm-kernel@lists.infradead.org \ --cc=linux-kernel@vger.kernel.org \ --cc=linux-usb@vger.kernel.org \ --cc=ludovic.desroches@atmel.com \ --cc=nicolas.ferre@atmel.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.