linux-kernel - [PATCH 03/17] net2280: Remove module parameter use

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Date:	Fri, 28 Nov 2014 14:50:48 +0100
From:	Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
To:	Felipe Balbi <balbi@...com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>,
	Peter Chen <peter.chen@...escale.com>,
	Andrzej Pietrasiewicz <andrzej.p@...sung.com>,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 03/17] net2280: Remove module parameter use_msi

Parameter use_msi was used to enable msi irq on usb338x chips, it was
enabled by default.

There is no reason to prefer non-msi irq on usb338x, and it falls back
to non msi on error.

Therefore remove this option.

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
---
 drivers/usb/gadget/udc/net2280.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/gadget/udc/net2280.c b/drivers/usb/gadget/udc/net2280.c
index 27b94c6..fc5c0a2 100644
--- a/drivers/usb/gadget/udc/net2280.c
+++ b/drivers/usb/gadget/udc/net2280.c
@@ -88,11 +88,9 @@ static const char *const ep_name[] = {
  * These two parameters let you use PIO or more aggressive DMA.
  */
 static bool use_dma = true;
-static bool use_msi = true;
 
 /* "modprobe net2280 use_dma=n" etc */
 module_param(use_dma, bool, 0444);
-module_param(use_msi, bool, 0444);
 
 /* mode 0 == ep-{a,b,c,d} 1K fifo each
  * mode 1 == ep-{a,b} 2K fifo each, ep-{c,d} unavailable
@@ -3426,7 +3424,7 @@ static void net2280_remove(struct pci_dev *pdev)
 	}
 	if (dev->got_irq)
 		free_irq(pdev->irq, dev);
-	if (use_msi && dev->quirks & PLX_SUPERSPEED)
+	if (dev->quirks & PLX_SUPERSPEED)
 		pci_disable_msi(pdev);
 	if (dev->regs)
 		iounmap(dev->regs);
@@ -3549,7 +3547,7 @@ static int net2280_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		goto done;
 	}
 
-	if (use_msi && (dev->quirks & PLX_SUPERSPEED))
+	if (dev->quirks & PLX_SUPERSPEED)
 		if (pci_enable_msi(pdev))
 			ep_err(dev, "Failed to enable MSI mode\n");
 
-- 
2.1.3

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