summaryrefslogtreecommitdiff
path: root/drivers/usb
diff options
context:
space:
mode:
authorMian Yousaf Kaukab <yousaf.kaukab@intel.com>2015-01-30 09:09:36 +0100
committerFelipe Balbi <balbi@ti.com>2015-01-30 10:34:11 -0600
commitf889f23d1c15fa73edaecc2cbce35a441eb52581 (patch)
tree48dd330543840c3a445636de369ba35d5f0f44dd /drivers/usb
parentfa4a8d722bc2f0b1887ea929874a0f6754eda8b4 (diff)
usb: dwc2: gadget: replace constants with defines
Defines are more readable and searchable than constants. Tested-by: Robert Baldyga <r.baldyga@samsung.com> Acked-by: John Youn <johnyoun@synopsys.com> Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/dwc2/gadget.c24
-rw-r--r--drivers/usb/dwc2/hw.h1
2 files changed, 13 insertions, 12 deletions
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index 8c3f8f8f769a..f201f6d17bc7 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -2292,14 +2292,14 @@ void s3c_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg,
/* set the PLL on, remove the HNP/SRP and set the PHY */
val = (hsotg->phyif == GUSBCFG_PHYIF8) ? 9 : 5;
writel(hsotg->phyif | GUSBCFG_TOUTCAL(7) |
- (val << 10), hsotg->regs + GUSBCFG);
+ (val << GUSBCFG_USBTRDTIM_SHIFT), hsotg->regs + GUSBCFG);
s3c_hsotg_init_fifo(hsotg);
if (!is_usb_reset)
__orr32(hsotg->regs + DCTL, DCTL_SFTDISCON);
- writel(1 << 18 | DCFG_DEVSPD_HS, hsotg->regs + DCFG);
+ writel(DCFG_EPMISCNT(1) | DCFG_DEVSPD_HS, hsotg->regs + DCFG);
/* Clear any pending OTG interrupts */
writel(0xffffffff, hsotg->regs + GOTGINT);
@@ -3006,7 +3006,7 @@ static void s3c_hsotg_init(struct dwc2_hsotg *hsotg)
/* set the PLL on, remove the HNP/SRP and set the PHY */
trdtim = (hsotg->phyif == GUSBCFG_PHYIF8) ? 9 : 5;
writel(hsotg->phyif | GUSBCFG_TOUTCAL(7) |
- (trdtim << 10),
+ (trdtim << GUSBCFG_USBTRDTIM_SHIFT),
hsotg->regs + GUSBCFG);
if (using_dma(hsotg))
@@ -3295,7 +3295,7 @@ static int s3c_hsotg_hw_cfg(struct dwc2_hsotg *hsotg)
/* check hardware configuration */
cfg = readl(hsotg->regs + GHWCFG2);
- hsotg->num_of_eps = (cfg >> 10) & 0xF;
+ hsotg->num_of_eps = (cfg >> GHWCFG2_NUM_DEV_EP_SHIFT) & 0xF;
/* Add ep0 */
hsotg->num_of_eps++;
@@ -3326,10 +3326,10 @@ static int s3c_hsotg_hw_cfg(struct dwc2_hsotg *hsotg)
}
cfg = readl(hsotg->regs + GHWCFG3);
- hsotg->fifo_mem = (cfg >> 16);
+ hsotg->fifo_mem = (cfg >> GHWCFG3_DFIFO_DEPTH_SHIFT);
cfg = readl(hsotg->regs + GHWCFG4);
- hsotg->dedicated_fifos = (cfg >> 25) & 1;
+ hsotg->dedicated_fifos = (cfg >> GHWCFG4_DED_FIFO_SHIFT) & 1;
dev_info(hsotg->dev, "EPs: %d, %s fifos, %d entries in SPRAM\n",
hsotg->num_of_eps,
@@ -3354,8 +3354,8 @@ static void s3c_hsotg_dump(struct dwc2_hsotg *hsotg)
readl(regs + DCFG), readl(regs + DCTL),
readl(regs + DIEPMSK));
- dev_info(dev, "GAHBCFG=0x%08x, 0x44=0x%08x\n",
- readl(regs + GAHBCFG), readl(regs + 0x44));
+ dev_info(dev, "GAHBCFG=0x%08x, GHWCFG1=0x%08x\n",
+ readl(regs + GAHBCFG), readl(regs + GHWCFG1));
dev_info(dev, "GRXFSIZ=0x%08x, GNPTXFSIZ=0x%08x\n",
readl(regs + GRXFSIZ), readl(regs + GNPTXFSIZ));
@@ -3715,7 +3715,7 @@ static void s3c_hsotg_create_debug(struct dwc2_hsotg *hsotg)
/* create general state file */
- hsotg->debug_file = debugfs_create_file("state", 0444, root,
+ hsotg->debug_file = debugfs_create_file("state", S_IRUGO, root,
hsotg, &state_fops);
if (IS_ERR(hsotg->debug_file))
@@ -3729,7 +3729,7 @@ static void s3c_hsotg_create_debug(struct dwc2_hsotg *hsotg)
dev_err(hsotg->dev, "%s: failed to create testmode\n",
__func__);
- hsotg->debug_fifo = debugfs_create_file("fifo", 0444, root,
+ hsotg->debug_fifo = debugfs_create_file("fifo", S_IRUGO, root,
hsotg, &fifo_fops);
if (IS_ERR(hsotg->debug_fifo))
@@ -3741,7 +3741,7 @@ static void s3c_hsotg_create_debug(struct dwc2_hsotg *hsotg)
ep = hsotg->eps_out[epidx];
if (ep) {
- ep->debugfs = debugfs_create_file(ep->name, 0444,
+ ep->debugfs = debugfs_create_file(ep->name, S_IRUGO,
root, ep, &ep_fops);
if (IS_ERR(ep->debugfs))
@@ -3755,7 +3755,7 @@ static void s3c_hsotg_create_debug(struct dwc2_hsotg *hsotg)
ep = hsotg->eps_in[epidx];
if (ep) {
- ep->debugfs = debugfs_create_file(ep->name, 0444,
+ ep->debugfs = debugfs_create_file(ep->name, S_IRUGO,
root, ep, &ep_fops);
if (IS_ERR(ep->debugfs))
diff --git a/drivers/usb/dwc2/hw.h b/drivers/usb/dwc2/hw.h
index d018ebef15cc..d0a5ed8fa15a 100644
--- a/drivers/usb/dwc2/hw.h
+++ b/drivers/usb/dwc2/hw.h
@@ -294,6 +294,7 @@
#define GHWCFG4_NUM_IN_EPS_MASK (0xf << 26)
#define GHWCFG4_NUM_IN_EPS_SHIFT 26
#define GHWCFG4_DED_FIFO_EN (1 << 25)
+#define GHWCFG4_DED_FIFO_SHIFT 25
#define GHWCFG4_SESSION_END_FILT_EN (1 << 24)
#define GHWCFG4_B_VALID_FILT_EN (1 << 23)
#define GHWCFG4_A_VALID_FILT_EN (1 << 22)