Commit 9c5ea0ea authored by Sebastian Andrzej Siewior's avatar Sebastian Andrzej Siewior Committed by Felipe Balbi
Browse files

usb: gadget: fusb300: remove #if 0 block 



The code in this block is unused and the Author is fine with removing:

| These functions were used to debug unstable hw fifo while developing
| fusb300.  It's much more stable now.
| So these functions can be removed.

Cc: "Wendy Yuan-Hsin Chen" <yhchen@faraday-tech.com>
Signed-off-by: default avatarSebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 7e9d40f3

drivers/usb/gadget/fusb300_udc.c

+0 −101
Original line number Diff line number Diff line
@@ -609,107 +609,6 @@ void fusb300_rdcxf(struct fusb300 *fusb300, 
	}

}



#if 0

static void fusb300_dbg_fifo(struct fusb300_ep *ep,

				u8 entry, u16 length)

{

	u32 reg;

	u32 i = 0;

	u32 j = 0;



	reg = ioread32(ep->fusb300->reg + FUSB300_OFFSET_GTM);

	reg &= ~(FUSB300_GTM_TST_EP_ENTRY(0xF) |

		FUSB300_GTM_TST_EP_NUM(0xF) | FUSB300_GTM_TST_FIFO_DEG);

	reg |= (FUSB300_GTM_TST_EP_ENTRY(entry) |

		FUSB300_GTM_TST_EP_NUM(ep->epnum) | FUSB300_GTM_TST_FIFO_DEG);

	iowrite32(reg, ep->fusb300->reg + FUSB300_OFFSET_GTM);



	for (i = 0; i < (length >> 2); i++) {

		if (i * 4 == 1024)

			break;

		reg = ioread32(ep->fusb300->reg +

			FUSB300_OFFSET_BUFDBG_START + i * 4);

		printk(KERN_DEBUG"  0x%-8x", reg);

		j++;

		if ((j % 4)  == 0)

			printk(KERN_DEBUG "\n");

	}



	if (length % 4) {

		reg = ioread32(ep->fusb300->reg +

			FUSB300_OFFSET_BUFDBG_START + i * 4);

		printk(KERN_DEBUG "  0x%x\n", reg);

	}



	if ((j % 4)  != 0)

		printk(KERN_DEBUG "\n");



	fusb300_disable_bit(ep->fusb300, FUSB300_OFFSET_GTM,

		FUSB300_GTM_TST_FIFO_DEG);

}



static void fusb300_cmp_dbg_fifo(struct fusb300_ep *ep,

				u8 entry, u16 length, u8 *golden)

{

	u32 reg;

	u32 i = 0;

	u32 golden_value;

	u8 *tmp;



	tmp = golden;



	printk(KERN_DEBUG "fusb300_cmp_dbg_fifo (entry %d) : start\n", entry);



	reg = ioread32(ep->fusb300->reg + FUSB300_OFFSET_GTM);

	reg &= ~(FUSB300_GTM_TST_EP_ENTRY(0xF) |

		FUSB300_GTM_TST_EP_NUM(0xF) | FUSB300_GTM_TST_FIFO_DEG);

	reg |= (FUSB300_GTM_TST_EP_ENTRY(entry) |

		FUSB300_GTM_TST_EP_NUM(ep->epnum) | FUSB300_GTM_TST_FIFO_DEG);

	iowrite32(reg, ep->fusb300->reg + FUSB300_OFFSET_GTM);



	for (i = 0; i < (length >> 2); i++) {

		if (i * 4 == 1024)

			break;

		golden_value = *tmp | *(tmp + 1) << 8 |

				*(tmp + 2) << 16 | *(tmp + 3) << 24;



		reg = ioread32(ep->fusb300->reg +

			FUSB300_OFFSET_BUFDBG_START + i*4);



		if (reg != golden_value) {

			printk(KERN_DEBUG "0x%x  :  ", (u32)(ep->fusb300->reg +

				FUSB300_OFFSET_BUFDBG_START + i*4));

			printk(KERN_DEBUG "    golden = 0x%x, reg = 0x%x\n",

				golden_value, reg);

		}

		tmp += 4;

	}



	switch (length % 4) {

	case 1:

		golden_value = *tmp;

	case 2:

		golden_value = *tmp | *(tmp + 1) << 8;

	case 3:

		golden_value = *tmp | *(tmp + 1) << 8 | *(tmp + 2) << 16;

	default:

		break;



	reg = ioread32(ep->fusb300->reg + FUSB300_OFFSET_BUFDBG_START + i*4);

	if (reg != golden_value) {

		printk(KERN_DEBUG "0x%x:", (u32)(ep->fusb300->reg +

			FUSB300_OFFSET_BUFDBG_START + i*4));

		printk(KERN_DEBUG "  golden = 0x%x, reg = 0x%x\n",

			golden_value, reg);

	}

	}



	printk(KERN_DEBUG "fusb300_cmp_dbg_fifo : end\n");

	fusb300_disable_bit(ep->fusb300, FUSB300_OFFSET_GTM,

		FUSB300_GTM_TST_FIFO_DEG);

}

#endif



static void fusb300_rdfifo(struct fusb300_ep *ep,

			  struct fusb300_request *req,

			  u32 length)

CRA Git | Maintained and supported by SUSTech CRA and CCSE