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Message-Id: <1484640308-25976-3-git-send-email-raviteja.garimella@broadcom.com>
Date: Tue, 17 Jan 2017 13:35:05 +0530
From: Raviteja Garimella <raviteja.garimella@...adcom.com>
To: Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Felipe Balbi <balbi@...nel.org>
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
bcm-kernel-feedback-list@...adcom.com, linux-usb@...r.kernel.org
Subject: [RFC v2 2/5] UDC: make debug prints compatible with both pci and platform devices
This patch adds a struct device member to UDC data structure and
makes changes to the arguments of dev_err and dev_dbg calls so that
the debug prints work for both pci and platform devices.
Signed-off-by: Raviteja Garimella <raviteja.garimella@...adcom.com>
---
drivers/usb/gadget/udc/amd5536udc.c | 1 +
drivers/usb/gadget/udc/amd5536udc.h | 4 +++-
drivers/usb/gadget/udc/snps_udc_core.c | 28 ++++++++++++++--------------
3 files changed, 18 insertions(+), 15 deletions(-)
diff --git a/drivers/usb/gadget/udc/amd5536udc.c b/drivers/usb/gadget/udc/amd5536udc.c
index c0acb80..3e66b08 100644
--- a/drivers/usb/gadget/udc/amd5536udc.c
+++ b/drivers/usb/gadget/udc/amd5536udc.c
@@ -166,6 +166,7 @@ static int udc_pci_probe(
dev->phys_addr = resource;
dev->irq = pdev->irq;
dev->pdev = pdev;
+ dev->dev = &pdev->dev;
/* general probing */
if (udc_probe(dev)) {
diff --git a/drivers/usb/gadget/udc/amd5536udc.h b/drivers/usb/gadget/udc/amd5536udc.h
index bd2a18e..c252457 100644
--- a/drivers/usb/gadget/udc/amd5536udc.h
+++ b/drivers/usb/gadget/udc/amd5536udc.h
@@ -563,6 +563,8 @@ struct udc {
u16 cur_config;
u16 cur_intf;
u16 cur_alt;
+
+ struct device *dev;
};
#define to_amd5536_udc(g) (container_of((g), struct udc, gadget))
@@ -639,7 +641,7 @@ MODULE_PARM_DESC(use_fullspeed, "true for fullspeed only");
/* debug macros ------------------------------------------------------------*/
-#define DBG(udc , args...) dev_dbg(&(udc)->pdev->dev, args)
+#define DBG(udc , args...) dev_dbg(udc->dev, args)
#ifdef UDC_VERBOSE
#define VDBG DBG
diff --git a/drivers/usb/gadget/udc/snps_udc_core.c b/drivers/usb/gadget/udc/snps_udc_core.c
index 69a94bc..b7a6218 100644
--- a/drivers/usb/gadget/udc/snps_udc_core.c
+++ b/drivers/usb/gadget/udc/snps_udc_core.c
@@ -202,18 +202,18 @@ static void print_regs(struct udc *dev)
if (use_dma && use_dma_ppb && !use_dma_ppb_du) {
DBG(dev, "DMA mode = PPBNDU (packet per buffer "
"WITHOUT desc. update)\n");
- dev_info(&dev->pdev->dev, "DMA mode (%s)\n", "PPBNDU");
+ dev_info(dev->dev, "DMA mode (%s)\n", "PPBNDU");
} else if (use_dma && use_dma_ppb && use_dma_ppb_du) {
DBG(dev, "DMA mode = PPBDU (packet per buffer "
"WITH desc. update)\n");
- dev_info(&dev->pdev->dev, "DMA mode (%s)\n", "PPBDU");
+ dev_info(dev->dev, "DMA mode (%s)\n", "PPBDU");
}
if (use_dma && use_dma_bufferfill_mode) {
DBG(dev, "DMA mode = BF (buffer fill mode)\n");
- dev_info(&dev->pdev->dev, "DMA mode (%s)\n", "BF");
+ dev_info(dev->dev, "DMA mode (%s)\n", "BF");
}
if (!use_dma)
- dev_info(&dev->pdev->dev, "FIFO mode\n");
+ dev_info(dev->dev, "FIFO mode\n");
DBG(dev, "-------------------------------------------------------\n");
}
@@ -1621,7 +1621,7 @@ static void udc_setup_endpoints(struct udc *dev)
static void usb_connect(struct udc *dev)
{
- dev_info(&dev->pdev->dev, "USB Connect\n");
+ dev_info(dev->dev, "USB Connect\n");
dev->connected = 1;
@@ -1639,7 +1639,7 @@ static void usb_connect(struct udc *dev)
static void usb_disconnect(struct udc *dev)
{
- dev_info(&dev->pdev->dev, "USB Disconnect\n");
+ dev_info(dev->dev, "USB Disconnect\n");
dev->connected = 0;
@@ -2103,7 +2103,7 @@ static irqreturn_t udc_data_out_isr(struct udc *dev, int ep_ix)
}
/* HE event ? */
if (tmp & AMD_BIT(UDC_EPSTS_HE)) {
- dev_err(&dev->pdev->dev, "HE ep%dout occurred\n", ep->num);
+ dev_err(dev->dev, "HE ep%dout occurred\n", ep->num);
/* clear HE */
writel(tmp | AMD_BIT(UDC_EPSTS_HE), &ep->regs->sts);
@@ -2302,7 +2302,7 @@ static irqreturn_t udc_data_in_isr(struct udc *dev, int ep_ix)
if (use_dma) {
/* BNA ? */
if (epsts & AMD_BIT(UDC_EPSTS_BNA)) {
- dev_err(&dev->pdev->dev,
+ dev_err(dev->dev,
"BNA ep%din occurred - DESPTR = %08lx\n",
ep->num,
(unsigned long) readl(&ep->regs->desptr));
@@ -2315,7 +2315,7 @@ static irqreturn_t udc_data_in_isr(struct udc *dev, int ep_ix)
}
/* HE event ? */
if (epsts & AMD_BIT(UDC_EPSTS_HE)) {
- dev_err(&dev->pdev->dev,
+ dev_err(dev->dev,
"HE ep%dn occurred - DESPTR = %08lx\n",
ep->num, (unsigned long) readl(&ep->regs->desptr));
@@ -2953,7 +2953,7 @@ __acquires(dev->lock)
/* link up all endpoints */
udc_setup_endpoints(dev);
- dev_info(&dev->pdev->dev, "Connect: %s\n",
+ dev_info(dev->dev, "Connect: %s\n",
usb_speed_string(dev->gadget.speed));
/* init ep 0 */
@@ -3165,20 +3165,20 @@ int udc_probe(struct udc *dev)
/* init registers, interrupts, ... */
startup_registers(dev);
- dev_info(&dev->pdev->dev, "%s\n", mod_desc);
+ dev_info(dev->dev, "%s\n", mod_desc);
snprintf(tmp, sizeof(tmp), "%d", dev->irq);
- dev_info(&dev->pdev->dev,
+ dev_info(dev->dev,
"irq %s, pci mem %08lx, chip rev %02x(Geode5536 %s)\n",
tmp, dev->phys_addr, dev->chiprev,
(dev->chiprev == UDC_HSA0_REV) ? "A0" : "B1");
strcpy(tmp, UDC_DRIVER_VERSION_STRING);
if (dev->chiprev == UDC_HSA0_REV) {
- dev_err(&dev->pdev->dev, "chip revision is A0; too old\n");
+ dev_err(dev->dev, "chip revision is A0; too old\n");
retval = -ENODEV;
goto finished;
}
- dev_info(&dev->pdev->dev,
+ dev_info(dev->dev,
"driver version: %s(for Geode5536 B1)\n", tmp);
udc = dev;
--
2.1.0
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